diff options
343 files changed, 3593 insertions, 4208 deletions
diff --git a/Documentation/cpu-hotplug.txt b/Documentation/cpu-hotplug.txt index 08c5d04f3086..57a09f99ecb0 100644 --- a/Documentation/cpu-hotplug.txt +++ b/Documentation/cpu-hotplug.txt @@ -11,6 +11,8 @@ Joel Schopp <jschopp@austin.ibm.com> ia64/x86_64: Ashok Raj <ashok.raj@intel.com> + s390: + Heiko Carstens <heiko.carstens@de.ibm.com> Authors: Ashok Raj <ashok.raj@intel.com> Lots of feedback: Nathan Lynch <nathanl@austin.ibm.com>, @@ -44,9 +46,28 @@ maxcpus=n Restrict boot time cpus to n. Say if you have 4 cpus, using maxcpus=2 will only boot 2. You can choose to bring the other cpus later online, read FAQ's for more info. -additional_cpus=n [x86_64 only] use this to limit hotpluggable cpus. - This option sets - cpu_possible_map = cpu_present_map + additional_cpus +additional_cpus*=n Use this to limit hotpluggable cpus. This option sets + cpu_possible_map = cpu_present_map + additional_cpus + +(*) Option valid only for following architectures +- x86_64, ia64, s390 + +ia64 and x86_64 use the number of disabled local apics in ACPI tables MADT +to determine the number of potentially hot-pluggable cpus. The implementation +should only rely on this to count the #of cpus, but *MUST* not rely on the +apicid values in those tables for disabled apics. In the event BIOS doesnt +mark such hot-pluggable cpus as disabled entries, one could use this +parameter "additional_cpus=x" to represent those cpus in the cpu_possible_map. + +s390 uses the number of cpus it detects at IPL time to also the number of bits +in cpu_possible_map. If it is desired to add additional cpus at a later time +the number should be specified using this option or the possible_cpus option. + +possible_cpus=n [s390 only] use this to set hotpluggable cpus. + This option sets possible_cpus bits in + cpu_possible_map. Thus keeping the numbers of bits set + constant even if the machine gets rebooted. + This option overrides additional_cpus. CPU maps and such ----------------- diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 79f0ed9f60de..975e14e150ae 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -178,3 +178,12 @@ Why: The ISA interface is faster and should be always available. The I2C probing is also known to cause trouble in at least one case (see bug #5889.) Who: Jean Delvare <khali@linux-fr.org> + +--------------------------- + +What: mount/umount uevents +When: February 2007 +Why: These events are not correct, and do not properly let userspace know + when a file system has been mounted or unmounted. Userspace should + poll the /proc/mounts file instead to detect this properly. +Who: Greg Kroah-Hartman <gregkh@suse.de> diff --git a/Documentation/filesystems/ntfs.txt b/Documentation/filesystems/ntfs.txt index 614de3124901..251168587899 100644 --- a/Documentation/filesystems/ntfs.txt +++ b/Documentation/filesystems/ntfs.txt @@ -457,6 +457,12 @@ ChangeLog Note, a technical ChangeLog aimed at kernel hackers is in fs/ntfs/ChangeLog. +2.1.26: + - Implement support for sector sizes above 512 bytes (up to the maximum + supported by NTFS which is 4096 bytes). + - Enhance support for NTFS volumes which were supported by Windows but + not by Linux due to invalid attribute list attribute flags. + - A few minor updates and bug fixes. 2.1.25: - Write support is now extended with write(2) being able to both overwrite existing file data and to extend files. Also, if a write diff --git a/Documentation/filesystems/tmpfs.txt b/Documentation/filesystems/tmpfs.txt index dbe4d87d2615..1773106976a2 100644 --- a/Documentation/filesystems/tmpfs.txt +++ b/Documentation/filesystems/tmpfs.txt @@ -79,15 +79,27 @@ that instance in a system with many cpus making intensive use of it. tmpfs has a mount option to set the NUMA memory allocation policy for -all files in that instance: -mpol=interleave prefers to allocate memory from each node in turn -mpol=default prefers to allocate memory from the local node -mpol=bind prefers to allocate from mpol_nodelist -mpol=preferred prefers to allocate from first node in mpol_nodelist +all files in that instance (if CONFIG_NUMA is enabled) - which can be +adjusted on the fly via 'mount -o remount ...' -The following mount option is used in conjunction with mpol=interleave, -mpol=bind or mpol=preferred: -mpol_nodelist: nodelist suitable for parsing with nodelist_parse. +mpol=default prefers to allocate memory from the local node +mpol=prefer:Node prefers to allocate memory from the given Node +mpol=bind:NodeList allocates memory only from nodes in NodeList +mpol=interleave prefers to allocate from each node in turn +mpol=interleave:NodeList allocates from each node of NodeList in turn + +NodeList format is a comma-separated list of decimal numbers and ranges, +a range being two hyphen-separated decimal numbers, the smallest and +largest node numbers in the range. For example, mpol=bind:0-3,5,7,9-15 + +Note that trying to mount a tmpfs with an mpol option will fail if the +running kernel does not support NUMA; and will fail if its nodelist +specifies a node >= MAX_NUMNODES. If your system relies on that tmpfs +being mounted, but from time to time runs a kernel built without NUMA +capability (perhaps a safe recovery kernel), or configured to support +fewer nodes, then it is advisable to omit the mpol option from automatic +mount options. It can be added later, when the tmpfs is already mounted +on MountPoint, by 'mount -o remount,mpol=Policy:NodeList MountPoint'. To specify the initial root directory you can use the following mount @@ -109,4 +121,4 @@ RAM/SWAP in 10240 inodes and it is only accessible by root. Author: Christoph Rohland <cr@sap.com>, 1.12.01 Updated: - Hugh Dickins <hugh@veritas.com>, 13 March 2005 + Hugh Dickins <hugh@veritas.com>, 19 February 2006 diff --git a/Documentation/filesystems/v9fs.txt b/Documentation/filesystems/v9fs.txt index 4e92feb6b507..24c7a9c41f0d 100644 --- a/Documentation/filesystems/v9fs.txt +++ b/Documentation/filesystems/v9fs.txt @@ -57,8 +57,6 @@ OPTIONS port=n port to connect to on the remote server - timeout=n request timeouts (in ms) (default 60000ms) - noextend force legacy mode (no 9P2000.u semantics) uid attempt to mount as a particular uid @@ -74,10 +72,16 @@ OPTIONS RESOURCES ========= -The Linux version of the 9P server, along with some client-side utilities -can be found at http://v9fs.sf.net (along with a CVS repository of the -development branch of this module). There are user and developer mailing -lists here, as well as a bug-tracker. +The Linux version of the 9P server is now maintained under the npfs project +on sourceforge (http://sourceforge.net/projects/npfs). + +There are user and developer mailing lists available through the v9fs project +on sourceforge (http://sourceforge.net/projects/v9fs). + +News and other information is maintained on SWiK (http://swik.net/v9fs). + +Bug reports may be issued through the kernel.org bugzilla +(http://bugzilla.kernel.org) For more information on the Plan 9 Operating System check out http://plan9.bell-labs.com/plan9 diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index ac75b57edf2e..b874771385cd 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1638,6 +1638,9 @@ running once the system is up. Format: <irq>,<irq_mask>,<io>,<full_duplex>,<do_sound>,<lockup_hack>[,<irq2>[,<irq3>[,<irq4>]]] + norandmaps Don't use address space randomization + Equivalent to echo 0 > /proc/sys/kernel/randomize_va_space + ______________________________________________________________________ Changelog: diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt index 9f11d36a8c10..b0c7ab93dcb9 100644 --- a/Documentation/sysctl/kernel.txt +++ b/Documentation/sysctl/kernel.txt @@ -16,6 +16,7 @@ before actually making adjustments. Currently, these files might (depending on your configuration) show up in /proc/sys/kernel: +- acpi_video_flags - acct - core_pattern - core_uses_pid @@ -57,6 +58,15 @@ show up in /proc/sys/kernel: ============================================================== +acpi_video_flags: + +flags + +See Doc*/kernel/power/video.txt, it allows mode of video boot to be +set during run time. + +============================================================== + acct: highwater lowwater frequency diff --git a/Documentation/x86_64/boot-options.txt b/Documentation/x86_64/boot-options.txt index 153740f460a6..1921353259ae 100644 --- a/Documentation/x86_64/boot-options.txt +++ b/Documentation/x86_64/boot-options.txt @@ -52,6 +52,10 @@ APICs apicmaintimer. Useful when your PIT timer is totally broken. + disable_8254_timer / enable_8254_timer + Enable interrupt 0 timer routing over the 8254 in addition to over + the IO-APIC. The kernel tries to set a sensible default. + Early Console syntax: earlyprintk=vga @@ -1,7 +1,7 @@ VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 16 -EXTRAVERSION =-rc3 +EXTRAVERSION =-rc5 NAME=Sliding Snow Leopard # *DOCUMENTATION* diff --git a/arch/arm/common/rtctime.c b/arch/arm/common/rtctime.c index 48b1e19b131f..e851d86c212c 100644 --- a/arch/arm/common/rtctime.c +++ b/arch/arm/common/rtctime.c @@ -128,19 +128,27 @@ EXPORT_SYMBOL(rtc_tm_to_time); /* * Calculate the next alarm time given the requested alarm time mask * and the current time. - * - * FIXME: for now, we just copy the alarm time because we're lazy (and - * is therefore buggy - setting a 10am alarm at 8pm will not result in - * the alarm triggering.) */ void rtc_next_alarm_time(struct rtc_time *next, struct rtc_time *now, struct rtc_time *alrm) { + unsigned long next_time; + unsigned long now_time; + next->tm_year = now->tm_year; next->tm_mon = now->tm_mon; next->tm_mday = now->tm_mday; next->tm_hour = alrm->tm_hour; next->tm_min = alrm->tm_min; next->tm_sec = alrm->tm_sec; + + rtc_tm_to_time(now, &now_time); + rtc_tm_to_time(next, &next_time); + + if (next_time < now_time) { + /* Advance one day */ + next_time += 60 * 60 * 24; + rtc_time_to_tm(next_time, next); + } } static inline int rtc_read_time(struct rtc_ops *ops, struct rtc_time *tm) diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index 8c3035d5ffc9..3173924a9b60 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -111,7 +111,7 @@ CALL(sys_statfs) /* 100 */ CALL(sys_fstatfs) CALL(sys_ni_syscall) - CALL(OBSOLETE(sys_socketcall)) + CALL(OBSOLETE(ABI(sys_socketcall, sys_oabi_socketcall))) CALL(sys_syslog) CALL(sys_setitimer) /* 105 */ CALL(sys_getitimer) diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 964cd717506b..ec48d70c6d8b 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -566,7 +566,7 @@ ENTRY(__switch_to) ldr r6, [r2, #TI_CPU_DOMAIN]! #endif #if __LINUX_ARM_ARCH__ >= 6 -#ifdef CONFIG_CPU_MPCORE +#ifdef CONFIG_CPU_32v6K clrex #else strex r5, r4, [ip] @ Clear exclusive monitor diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index c45d10d07bde..68273b4dc882 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -23,6 +23,7 @@ #include <linux/root_dev.h> #include <linux/cpu.h> #include <linux/interrupt.h> +#include <linux/smp.h> #include <asm/cpu.h> #include <asm/elf.h> @@ -771,6 +772,10 @@ void __init setup_arch(char **cmdline_p) paging_init(&meminfo, mdesc); request_standard_resources(&meminfo, mdesc); +#ifdef CONFIG_SMP + smp_init_cpus(); +#endif + cpu_init(); /* diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 7338948bd7d3..02aa300c4633 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -338,7 +338,6 @@ void __init smp_prepare_boot_cpu(void) per_cpu(cpu_data, cpu).idle = current; - cpu_set(cpu, cpu_possible_map); cpu_set(cpu, cpu_present_map); cpu_set(cpu, cpu_online_map); } diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c index 9d4b76409c64..8e2f9bc3368b 100644 --- a/arch/arm/kernel/sys_oabi-compat.c +++ b/arch/arm/kernel/sys_oabi-compat.c @@ -64,6 +64,7 @@ * sys_connect: * sys_sendmsg: * sys_sendto: + * sys_socketcall: * * struct sockaddr_un loses its padding with EABI. Since the size of the * structure is used as a validation test in unix_mkname(), we need to @@ -78,6 +79,7 @@ #include <linux/eventpoll.h> #include <linux/sem.h> #include <linux/socket.h> +#include <linux/net.h> #include <asm/ipc.h> #include <asm/uaccess.h> @@ -408,3 +410,31 @@ asmlinkage long sys_oabi_sendmsg(int fd, struct msghdr __user *msg, unsigned fla return sys_sendmsg(fd, msg, flags); } +asmlinkage long sys_oabi_socketcall(int call, unsigned long __user *args) +{ + unsigned long r = -EFAULT, a[6]; + + switch (call) { + case SYS_BIND: + if (copy_from_user(a, args, 3 * sizeof(long)) == 0) + r = sys_oabi_bind(a[0], (struct sockaddr __user *)a[1], a[2]); + break; + case SYS_CONNECT: + if (copy_from_user(a, args, 3 * sizeof(long)) == 0) + r = sys_oabi_connect(a[0], (struct sockaddr __user *)a[1], a[2]); + break; + case SYS_SENDTO: + if (copy_from_user(a, args, 6 * sizeof(long)) == 0) + r = sys_oabi_sendto(a[0], (void __user *)a[1], a[2], a[3], + (struct sockaddr __user *)a[4], a[5]); + break; + case SYS_SENDMSG: + if (copy_from_user(a, args, 3 * sizeof(long)) == 0) + r = sys_oabi_sendmsg(a[0], (struct msghdr __user *)a[1], a[2]); + break; + default: + r = sys_socketcall(call, args); + } + + return r; +} diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 10235b01582e..03924bcc6129 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -19,6 +19,7 @@ #include <linux/personality.h> #include <linux/ptrace.h> #include <linux/kallsyms.h> +#include <linux/delay.h> #include <linux/init.h> #include <asm/atomic.h> @@ -231,6 +232,13 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) __die(str, err, thread, regs); bust_spinlocks(0); spin_unlock_irq(&die_lock); + + if (panic_on_oops) { + printk(KERN_EMERG "Fatal exception: panic in 5 seconds\n"); + ssleep(5); + panic("Fatal exception"); + } + do_exit(SIGSEGV); } diff --git a/arch/arm/mach-at91rm9200/devices.c b/arch/arm/mach-at91rm9200/devices.c index 8df3e5245651..57eedd5beaf6 100644 --- a/arch/arm/mach-at91rm9200/devices.c +++ b/arch/arm/mach-at91rm9200/devices.c @@ -100,8 +100,10 @@ void __init at91_add_device_udc(struct at91_udc_data *data) at91_set_gpio_input(data->vbus_pin, 0); at91_set_deglitch(data->vbus_pin, 1); } - if (data->pullup_pin) + if (data->pullup_pin) { at91_set_gpio_output(data->pullup_pin, 0); + at91_set_multi_drive(data->pullup_pin, 1); + } udc_data = *data; platform_device_register(&at91rm9200_udc_device); diff --git a/arch/arm/mach-at91rm9200/gpio.c b/arch/arm/mach-at91rm9200/gpio.c index 2fd2ef583e4d..0e396feec468 100644 --- a/arch/arm/mach-at91rm9200/gpio.c +++ b/arch/arm/mach-at91rm9200/gpio.c @@ -159,6 +159,23 @@ int __init_or_module at91_set_deglitch(unsigned pin, int is_on) } EXPORT_SYMBOL(at91_set_deglitch); +/* + * enable/disable the multi-driver; This is only valid for output and + * allows the output pin to run as an open collector output. + */ +int __init_or_module at91_set_multi_drive(unsigned pin, int is_on) +{ + void __iomem *pio = pin_to_controller(pin); + unsigned mask = pin_to_mask(pin); + + if (!pio) + return -EINVAL; + + __raw_writel(mask, pio + (is_on ? PIO_MDER : PIO_MDDR)); + return 0; +} +EXPORT_SYMBOL(at91_set_multi_drive); + /*--------------------------------------------------------------------------*/ @@ -257,8 +274,18 @@ static void gpio_irq_handler(unsigned irq, struct irqdesc *desc, struct pt_regs gpio = &irq_desc[pin]; while (isr) { - if (isr & 1) - gpio->handle(pin, gpio, regs); + if (isr & 1) { + if (unlikely(gpio->disable_depth)) { + /* + * The core ARM interrupt handler lazily disables IRQs so + * another IRQ must be generated before it actually gets + * here to be disabled on the GPIO controller. + */ + gpio_irq_mask(pin); + } + else + gpio->handle(pin, gpio, regs); + } pin++; gpio++; isr >>= 1; diff --git a/arch/arm/mach-integrator/platsmp.c b/arch/arm/mach-integrator/platsmp.c index ea10bd8c972c..1bc8534ef0c6 100644 --- a/arch/arm/mach-integrator/platsmp.c +++ b/arch/arm/mach-integrator/platsmp.c @@ -140,6 +140,18 @@ static void __init poke_milo(void) mb(); } +/* + * Initialise the CPU possible map early - this describes the CPUs + * which may be present or become present in the system. + */ +void __init smp_init_cpus(void) +{ + unsigned int i, ncores = get_core_count(); + + for (i = 0; i < ncores; i++) + cpu_set(i, cpu_possible_map); +} + void __init smp_prepare_cpus(unsigned int max_cpus) { unsigned int ncores = get_core_count(); @@ -176,14 +188,11 @@ void __init smp_prepare_cpus(unsigned int max_cpus) max_cpus = ncores; /* - * Initialise the possible/present maps. - * cpu_possible_map describes the set of CPUs which may be present - * cpu_present_map describes the set of CPUs populated + * Initialise the present map, which describes the set of CPUs + * actually populated at the present time. */ - for (i = 0; i < max_cpus; i++) { - cpu_set(i, cpu_possible_map); + for (i = 0; i < max_cpus; i++) cpu_set(i, cpu_present_map); - } /* * Do we need any more CPUs? If so, then let them know where diff --git a/arch/arm/mach-iop3xx/iop321-setup.c b/arch/arm/mach-iop3xx/iop321-setup.c index e4f4c52d93d4..0ebbcb20c6ae 100644 --- a/arch/arm/mach-iop3xx/iop321-setup.c +++ b/arch/arm/mach-iop3xx/iop321-setup.c @@ -13,7 +13,6 @@ #include <linux/mm.h> #include <linux/init.h> #include <linux/config.h> -#include <linux/init.h> #include <linux/major.h> #include <linux/fs.h> #include <linux/platform_device.h> diff --git a/arch/arm/mach-iop3xx/iop331-setup.c b/arch/arm/mach-iop3xx/iop331-setup.c index 63585485123e..2d6abe5be14d 100644 --- a/arch/arm/mach-iop3xx/iop331-setup.c +++ b/arch/arm/mach-iop3xx/iop331-setup.c @@ -12,7 +12,6 @@ #include <linux/mm.h> #include <linux/init.h> #include <linux/config.h> -#include <linux/init.h> #include <linux/major.h> #include <linux/fs.h> #include <linux/platform_device.h> diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c index 4bdc9d4526cd..fbadf3021b9e 100644 --- a/arch/arm/mach-ixp4xx/common.c +++ b/arch/arm/mach-ixp4xx/common.c @@ -111,24 +111,30 @@ static int ixp4xx_set_irq_type(unsigned int irq, unsigned int type) if (line < 0) return -EINVAL; - if (type & IRQT_BOTHEDGE) { + switch (type){ + case IRQT_BOTHEDGE: int_style = IXP4XX_GPIO_STYLE_TRANSITIONAL; irq_type = IXP4XX_IRQ_EDGE; - } else if (type & IRQT_RISING) { + break; + case IRQT_RISING: int_style = IXP4XX_GPIO_STYLE_RISING_EDGE; irq_type = IXP4XX_IRQ_EDGE; - } else if (type & IRQT_FALLING) { + break; + case IRQT_FALLING: int_style = IXP4XX_GPIO_STYLE_FALLING_EDGE; irq_type = IXP4XX_IRQ_EDGE; - } else if (type & IRQT_HIGH) { + break; + case IRQT_HIGH: int_style = IXP4XX_GPIO_STYLE_ACTIVE_HIGH; irq_type = IXP4XX_IRQ_LEVEL; - } else if (type & IRQT_LOW) { + break; + case IRQT_LOW: int_style = IXP4XX_GPIO_STYLE_ACTIVE_LOW; irq_type = IXP4XX_IRQ_LEVEL; - } else + break; + default: return -EINVAL; - + } ixp4xx_config_irq(irq, irq_type); if (line >= 8) { /* pins 8-15 */ diff --git a/arch/arm/mach-ixp4xx/nslu2-power.c b/arch/arm/mach-ixp4xx/nslu2-power.c index b0ad9e901f6e..d80c362bc539 100644 --- a/arch/arm/mach-ixp4xx/nslu2-power.c +++ b/arch/arm/mach-ixp4xx/nslu2-power.c @@ -77,6 +77,9 @@ static int __init nslu2_power_init(void) static void __exit nslu2_power_exit(void) { + if (!(machine_is_nslu2())) + return; + free_irq(NSLU2_RB_IRQ, NULL); free_irq(NSLU2_PB_IRQ, NULL); } diff --git a/arch/arm/mach-ixp4xx/nslu2-setup.c b/arch/arm/mach-ixp4xx/nslu2-setup.c index da9340a53434..55411f21d838 100644 --- a/arch/arm/mach-ixp4xx/nslu2-setup.c +++ b/arch/arm/mach-ixp4xx/nslu2-setup.c @@ -27,8 +27,6 @@ static struct flash_platform_data nslu2_flash_data = { }; static struct resource nslu2_flash_resource = { - .start = NSLU2_FLASH_BASE, - .end = NSLU2_FLASH_BASE + NSLU2_FLASH_SIZE, .flags = IORESOURCE_MEM, }; @@ -52,6 +50,12 @@ static struct platform_device nslu2_i2c_controller = { .num_resources = 0, }; +static struct platform_device nslu2_beeper = { + .name = "ixp4xx-beeper", + .id = NSLU2_GPIO_BUZZ, + .num_resources = 0, +}; + static struct resource nslu2_uart_resources[] = { { .start = IXP4XX_UART1_BASE_PHYS, @@ -99,6 +103,7 @@ static struct platform_device *nslu2_devices[] __initdata = { &nslu2_i2c_controller, &nslu2_flash, &nslu2_uart, + &nslu2_beeper, }; static void nslu2_power_off(void) @@ -116,6 +121,10 @@ static void __init nslu2_init(void) { ixp4xx_sys_init(); + nslu2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0); + nslu2_flash_resource.end = + IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1; + pm_power_off = nslu2_power_off; platform_add_devices(nslu2_devices, ARRAY_SIZE(nslu2_devices)); diff --git a/arch/arm/mach-realview/platsmp.c b/arch/arm/mach-realview/platsmp.c index a8fbd76d8be5..b8484e15dacb 100644 --- a/arch/arm/mach-realview/platsmp.c +++ b/arch/arm/mach-realview/platsmp.c @@ -143,6 +143,18 @@ static void __init poke_milo(void) mb(); } +/* + * Initialise the CPU possible map early - this describes the CPUs + * which may be present or become present in the system. + */ +void __init smp_init_cpus(void) +{ + unsigned int i, ncores = get_core_count(); + + for (i = 0; i < ncores; i++) + cpu_set(i, cpu_possible_map); +} + void __init smp_prepare_cpus(unsigned int max_cpus) { unsigned int ncores = get_core_count(); @@ -179,14 +191,11 @@ void __init smp_prepare_cpus(unsigned int max_cpus) local_timer_setup(cpu); /* - * Initialise the possible/present maps. - * cpu_possible_map describes the set of CPUs which may be present - * cpu_present_map describes the set of CPUs populated + * Initialise the present map, which describes the set of CPUs + * actually populated at the present time. */ - for (i = 0; i < max_cpus; i++) { - cpu_set(i, cpu_possible_map); + for (i = 0; i < max_cpus; i++) cpu_set(i, cpu_present_map); - } /* * Do we need any more CPUs? If so, then let them know where diff --git a/arch/arm/mach-versatile/pci.c b/arch/arm/mach-versatile/pci.c index b80d57d51699..722fbabc9cfb 100644 --- a/arch/arm/mach-versatile/pci.c +++ b/arch/arm/mach-versatile/pci.c @@ -240,6 +240,14 @@ int __init pci_versatile_setup(int nr, struct pci_sys_data *sys) int i; int myslot = -1; unsigned long val; + void __iomem *local_pci_cfg_base; + + val = __raw_readl(SYS_PCICTL); + if (!(val & 1)) { + printk("Not plugged into PCI backplane!\n"); + ret = -EIO; + goto out; + } if (nr == 0) { sys->mem_offset = 0; @@ -253,48 +261,45 @@ int __init pci_versatile_setup(int nr, struct pci_sys_data *sys) goto out; } - __raw_writel(VERSATILE_PCI_MEM_BASE0 >> 28,PCI_IMAP0); - __raw_writel(VERSATILE_PCI_MEM_BASE1 >> 28,PCI_IMAP1); - __raw_writel(VERSATILE_PCI_MEM_BASE2 >> 28,PCI_IMAP2); - - __raw_writel(1, SYS_PCICTL); - - val = __raw_readl(SYS_PCICTL); - if (!(val & 1)) { - printk("Not plugged into PCI backplane!\n"); - ret = -EIO; - goto out; - } - /* * We need to discover the PCI core first to configure itself * before the main PCI probing is performed */ - for (i=0; i<32; i++) { + for (i=0; i<32; i++) if ((__raw_readl(VERSATILE_PCI_VIRT_BASE+(i<<11)+DEVICE_ID_OFFSET) == VP_PCI_DEVICE_ID) && (__raw_readl(VERSATILE_PCI_VIRT_BASE+(i<<11)+CLASS_ID_OFFSET) == VP_PCI_CLASS_ID)) { myslot = i; - - __raw_writel(myslot, PCI_SELFID); - val = __raw_readl(VERSATILE_PCI_CFG_VIRT_BASE+(myslot<<11)+CSR_OFFSET); - val |= (1<<2); - __raw_writel(val, VERSATILE_PCI_CFG_VIRT_BASE+(myslot<<11)+CSR_OFFSET); break; } - } if (myslot == -1) { printk("Cannot find PCI core!\n"); ret = -EIO; - } else { - printk("PCI core found (slot %d)\n",myslot); - /* Do not to map Versatile FPGA PCI device - into memory space as we are short of - mappable memory */ - pci_slot_ignore |= (1 << myslot); - ret = 1; + goto out; } + printk("PCI core found (slot %d)\n",myslot); + + __raw_writel(myslot, PCI_SELFID); + local_pci_cfg_base = (void *) VERSATILE_PCI_CFG_VIRT_BASE + (myslot << 11); + + val = __raw_readl(local_pci_cfg_base + CSR_OFFSET); + val |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE; + __raw_writel(val, local_pci_cfg_base + CSR_OFFSET); + + /* + * Configure the PCI inbound memory windows to be 1:1 mapped to SDRAM + */ + __raw_writel(PHYS_OFFSET, local_pci_cfg_base + PCI_BASE_ADDRESS_0); + __raw_writel(PHYS_OFFSET, local_pci_cfg_base + PCI_BASE_ADDRESS_1); + __raw_writel(PHYS_OFFSET, local_pci_cfg_base + PCI_BASE_ADDRESS_2); + + /* + * Do not to map Versatile FPGA PCI device into memory space + */ + pci_slot_ignore |= (1 << myslot); + ret = 1; + out: return ret; } @@ -305,18 +310,18 @@ struct pci_bus *pci_versatile_scan_bus(int nr, struct pci_sys_data *sys) return pci_scan_bus(sys->busnr, &pci_versatile_ops, sys); } -/* - * V3_LB_BASE? - local bus address - * V3_LB_MAP? - pci bus address - */ void __init pci_versatile_preinit(void) { -} + __raw_writel(VERSATILE_PCI_MEM_BASE0 >> 28, PCI_IMAP0); + __raw_writel(VERSATILE_PCI_MEM_BASE1 >> 28, PCI_IMAP1); + __raw_writel(VERSATILE_PCI_MEM_BASE2 >> 28, PCI_IMAP2); -void __init pci_versatile_postinit(void) -{ -} + __raw_writel(PHYS_OFFSET >> 28, PCI_SMAP0); + __raw_writel(PHYS_OFFSET >> 28, PCI_SMAP1); + __raw_writel(PHYS_OFFSET >> 28, PCI_SMAP2); + __raw_writel(1, SYS_PCICTL); +} /* * map the specified device/slot/pin to an IRQ. Different backplanes may need to modify this. @@ -326,16 +331,15 @@ static int __init versatile_map_irq(struct pci_dev *dev, u8 slot, u8 pin) int irq; int devslot = PCI_SLOT(dev->devfn); - /* slot, pin, irq - 24 1 27 - 25 1 28 untested - 26 1 29 - 27 1 30 untested - */ - - irq = 27 + ((slot + pin + 2) % 3); /* Fudged */ + /* slot, pin, irq + * 24 1 27 + * 25 1 28 + * 26 1 29 + * 27 1 30 + */ + irq = 27 + ((slot + pin - 1) & 3); - printk("map irq: slot %d, pin %d, devslot %d, irq: %d\n",slot,pin,devslot,irq); + printk("PCI map irq: slot %d, pin %d, devslot %d, irq: %d\n",slot,pin,devslot,irq); return irq; } @@ -347,7 +351,6 @@ static struct hw_pci versatile_pci __initdata = { .setup = pci_versatile_setup, .scan = pci_versatile_scan_bus, .preinit = pci_versatile_preinit, - .postinit = pci_versatile_postinit, }; static int __init versatile_pci_init(void) diff --git a/arch/arm/mm/abort-ev6.S b/arch/arm/mm/abort-ev6.S index dbd346033122..8a7f65ba14b7 100644 --- a/arch/arm/mm/abort-ev6.S +++ b/arch/arm/mm/abort-ev6.S @@ -20,7 +20,7 @@ */ .align 5 ENTRY(v6_early_abort) -#ifdef CONFIG_CPU_MPCORE +#ifdef CONFIG_CPU_32v6K clrex #else strex r0, r1, [sp] @ Clear the exclusive monitor diff --git a/arch/arm/plat-omap/pm.c b/arch/arm/plat-omap/pm.c index 1a24e2c10714..093efd786f21 100644 --- a/arch/arm/plat-omap/pm.c +++ b/arch/arm/plat-omap/pm.c @@ -38,7 +38,6 @@ #include <linux/pm.h> #include <linux/sched.h> #include <linux/proc_fs.h> -#include <linux/pm.h> #include <linux/interrupt.h> #include <asm/io.h> diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types index d0f9bb5e9023..8ab5300dcb94 100644 --- a/arch/arm/tools/mach-types +++ b/arch/arm/tools/mach-types @@ -12,7 +12,7 @@ # # http://www.arm.linux.org.uk/developer/machines/?action=new # -# Last update: Mon Jan 9 12:56:42 2006 +# Last update: Mon Feb 20 10:18:02 2006 # # machine_is_xxx CONFIG_xxxx MACH_TYPE_xxx number # @@ -904,7 +904,7 @@ wg302v2 MACH_WG302V2 WG302V2 890 eb42x MACH_EB42X EB42X 891 iq331es MACH_IQ331ES IQ331ES 892 cosydsp MACH_COSYDSP COSYDSP 893 -uplat7d MACH_UPLAT7D UPLAT7D 894 +uplat7d_proto MACH_UPLAT7D UPLAT7D 894 ptdavinci MACH_PTDAVINCI PTDAVINCI 895 mbus MACH_MBUS MBUS 896 nadia2vb MACH_NADIA2VB NADIA2VB 897 @@ -938,3 +938,34 @@ auckland MACH_AUCKLAND AUCKLAND 924 ak3220m MACH_AK3320M AK3320M 925 duramax MACH_DURAMAX DURAMAX 926 n35 MACH_N35 N35 927 +pronghorn MACH_PRONGHORN PRONGHORN 928 +fundy MACH_FUNDY FUNDY 929 +logicpd_pxa270 MACH_LOGICPD_PXA270 LOGICPD_PXA270 930 +cpu777 MACH_CPU777 CPU777 931 +simicon9201 MACH_SIMICON9201 SIMICON9201 932 +leap2_hpm MACH_LEAP2_HPM LEAP2_HPM 933 +cm922txa10 MACH_CM922TXA10 CM922TXA10 934 +sandgate MACH_PXA PXA 935 +sandgate2 MACH_SANDGATE2 SANDGATE2 936 +sandgate2g MACH_SANDGATE2G SANDGATE2G 937 +sandgate2p MACH_SANDGATE2P SANDGATE2P 938 +fred_jack MACH_FRED_JACK FRED_JACK 939 +ttg_color1 MACH_TTG_COLOR1 TTG_COLOR1 940 +nxeb500hmi MACH_NXEB500HMI NXEB500HMI 941 +netdcu8 MACH_NETDCU8 NETDCU8 942 +ml675050_cpu_boa MACH_ML675050_CPU_BOA ML675050_CPU_BOA 943 +ng_fvx538 MACH_NG_FVX538 NG_FVX538 944 +ng_fvs338 MACH_NG_FVS338 NG_FVS338 945 +pnx4103 MACH_PNX4103 PNX4103 946 +hesdb MACH_HESDB HESDB 947 +xsilo MACH_XSILO XSILO 948 +espresso MACH_ESPRESSO ESPRESSO 949 +emlc MACH_EMLC EMLC 950 +sisteron MACH_SISTERON SISTERON 951 +rx1950 MACH_RX1950 RX1950 952 +tsc_venus MACH_TSC_VENUS TSC_VENUS 953 +ds101j MACH_DS101J DS101J 954 +mxc300_30ads MACH_MXC30030ADS MXC30030ADS 955 +fujitsu_wimaxsoc MACH_FUJITSU_WIMAXSOC FUJITSU_WIMAXSOC 956 +dualpcmodem MACH_DUALPCMODEM DUALPCMODEM 957 +gesbc9312 MACH_GESBC9312 GESBC9312 958 diff --git a/arch/h8300/Kconfig.debug b/arch/h8300/Kconfig.debug index 55034d08abff..e0e9bcb015a9 100644 --- a/arch/h8300/Kconfig.debug +++ b/arch/h8300/Kconfig.debug @@ -34,7 +34,7 @@ config GDB_DEBUG help gdb stub exception support -config CONFIG_SH_STANDARD_BIOS +config SH_STANDARD_BIOS bool "Use gdb protocol serial console" depends on (!H8300H_SIM && !H8S_SIM) help diff --git a/arch/h8300/defconfig b/arch/h8300/defconfig index 9d9b491cfc2c..8f1ec3297150 100644 --- a/arch/h8300/defconfig +++ b/arch/h8300/defconfig @@ -328,7 +328,7 @@ CONFIG_FULLDEBUG=y CONFIG_NO_KERNEL_MSG=y # CONFIG_SYSCALL_PRINT is not set # CONFIG_GDB_DEBUG is not set -# CONFIG_CONFIG_SH_STANDARD_BIOS is not set +# CONFIG_SH_STANDARD_BIOS is not set # CONFIG_DEFAULT_CMDLINE is not set # CONFIG_BLKDEV_RESERVE is not set diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index 0afec8566e7b..5b1a7d46d1d9 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -733,7 +733,7 @@ config PHYSICAL_START config HOTPLUG_CPU bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" - depends on SMP && HOTPLUG && EXPERIMENTAL + depends on SMP && HOTPLUG && EXPERIMENTAL && !X86_VOYAGER ---help--- Say Y here to experiment with turning CPUs off and on. CPUs can be controlled through /sys/devices/system/cpu. @@ -1060,6 +1060,7 @@ source "arch/i386/oprofile/Kconfig" config KPROBES bool "Kprobes (EXPERIMENTAL)" + depends on EXPERIMENTAL && MODULES help Kprobes allows you to trap at almost any kernel address and execute a callback function. register_kprobe() establishes diff --git a/arch/i386/kernel/Makefile b/arch/i386/kernel/Makefile index 60c3f76dfca4..53bb9a79e274 100644 --- a/arch/i386/kernel/Makefile +++ b/arch/i386/kernel/Makefile @@ -7,7 +7,7 @@ extra-y := head.o init_task.o vmlinux.lds obj-y := process.o semaphore.o signal.o entry.o traps.o irq.o \ ptrace.o time.o ioport.o ldt.o setup.o i8259.o sys_i386.o \ pci-dma.o i386_ksyms.o i387.o dmi_scan.o bootflag.o \ - quirks.o i8237.o + quirks.o i8237.o topology.o obj-y += cpu/ obj-y += timers/ diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c index 79577f0ace98..8309a7b2cd63 100644 --- a/arch/i386/kernel/acpi/boot.c +++ b/arch/i386/kernel/acpi/boot.c @@ -44,9 +44,6 @@ extern void __init clustered_apic_check(void); extern int gsi_irq_sharing(int gsi); #include <asm/proto.h> -static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id) { return 0; } - - #else /* X86 */ #ifdef CONFIG_X86_LOCAL_APIC diff --git a/arch/i386/kernel/cpu/common.c b/arch/i386/kernel/cpu/common.c index 7eb9213734a3..4ecd4b326ded 100644 --- a/arch/i386/kernel/cpu/common.c +++ b/arch/i386/kernel/cpu/common.c @@ -4,6 +4,7 @@ #include <linux/smp.h> #include <linux/module.h> #include <linux/percpu.h> +#include <linux/bootmem.h> #include <asm/semaphore.h> #include <asm/processor.h> #include <asm/i387.h> @@ -18,6 +19,9 @@ #include "cpu.h" +DEFINE_PER_CPU(struct Xgt_desc_struct, cpu_gdt_descr); +EXPORT_PER_CPU_SYMBOL(cpu_gdt_descr); + DEFINE_PER_CPU(unsigned char, cpu_16bit_stack[CPU_16BIT_STACK_SIZE]); EXPORT_PER_CPU_SYMBOL(cpu_16bit_stack); @@ -571,8 +575,9 @@ void __devinit cpu_init(void) int cpu = smp_processor_id(); struct tss_struct * t = &per_cpu(init_tss, cpu); struct thread_struct *thread = ¤t->thread; - struct desc_struct *gdt = get_cpu_gdt_table(cpu); + struct desc_struct *gdt; __u32 stk16_off = (__u32)&per_cpu(cpu_16bit_stack, cpu); + struct Xgt_desc_struct *cpu_gdt_descr = &per_cpu(cpu_gdt_descr, cpu); if (cpu_test_and_set(cpu, cpu_initialized)) { printk(KERN_WARNING "CPU#%d already initialized!\n", cpu); @@ -590,6 +595,25 @@ void __devinit cpu_init(void) } /* + * This is a horrible hack to allocate the GDT. The problem + * is that cpu_init() is called really early for the boot CPU + * (and hence needs bootmem) but much later for the secondary + * CPUs, when bootmem will have gone away + */ + if (NODE_DATA(0)->bdata->node_bootmem_map) { + gdt = (struct desc_struct *)alloc_bootmem_pages(PAGE_SIZE); + /* alloc_bootmem_pages panics on failure, so no check */ + memset(gdt, 0, PAGE_SIZE); + } else { + gdt = (struct desc_struct *)get_zeroed_page(GFP_KERNEL); + if (unlikely(!gdt)) { + printk(KERN_CRIT "CPU%d failed to allocate GDT\n", cpu); + for (;;) + local_irq_enable(); + } + } + + /* * Initialize the per-CPU GDT with the boot GDT, * and set up the GDT descriptor: */ @@ -601,10 +625,10 @@ void __devinit cpu_init(void) ((((__u64)stk16_off) << 32) & 0xff00000000000000ULL) | (CPU_16BIT_STACK_SIZE - 1); - cpu_gdt_descr[cpu].size = GDT_SIZE - 1; - cpu_gdt_descr[cpu].address = (unsigned long)gdt; + cpu_gdt_descr->size = GDT_SIZE - 1; + cpu_gdt_descr->address = (unsigned long)gdt; - load_gdt(&cpu_gdt_descr[cpu]); + load_gdt(cpu_gdt_descr); load_idt(&idt_descr); /* diff --git a/arch/i386/kernel/cpu/transmeta.c b/arch/i386/kernel/cpu/transmeta.c index bdbeb77f4e22..7214c9b577ab 100644 --- a/arch/i386/kernel/cpu/transmeta.c +++ b/arch/i386/kernel/cpu/transmeta.c @@ -1,4 +1,5 @@ #include <linux/kernel.h> +#include <linux/mm.h> #include <linux/init.h> #include <asm/processor.h> #include <asm/msr.h> diff --git a/arch/i386/kernel/efi.c b/arch/i386/kernel/efi.c index ecad519fd395..e3e42fd62401 100644 --- a/arch/i386/kernel/efi.c +++ b/arch/i386/kernel/efi.c @@ -103,17 +103,19 @@ static void efi_call_phys_prelog(void) */ local_flush_tlb(); - cpu_gdt_descr[0].address = __pa(cpu_gdt_descr[0].address); - load_gdt((struct Xgt_desc_struct *) __pa(&cpu_gdt_descr[0])); + per_cpu(cpu_gdt_descr, 0).address = + __pa(per_cpu(cpu_gdt_descr, 0).address); + load_gdt((struct Xgt_desc_struct *)__pa(&per_cpu(cpu_gdt_descr, 0))); } static void efi_call_phys_epilog(void) { unsigned long cr4; - cpu_gdt_descr[0].address = - (unsigned long) __va(cpu_gdt_descr[0].address); - load_gdt(&cpu_gdt_descr[0]); + per_cpu(cpu_gdt_descr, 0).address = + (unsigned long)__va(per_cpu(cpu_gdt_descr, 0).address); + load_gdt((struct Xgt_desc_struct *)__va(&per_cpu(cpu_gdt_descr, 0))); + cr4 = read_cr4(); if (cr4 & X86_CR4_PSE) { diff --git a/arch/i386/kernel/head.S b/arch/i386/kernel/head.S index 2bee6499edd9..e0b7c632efbc 100644 --- a/arch/i386/kernel/head.S +++ b/arch/i386/kernel/head.S @@ -534,5 +534,3 @@ ENTRY(cpu_gdt_table) .quad 0x0000000000000000 /* 0xf0 - unused */ .quad 0x0000000000000000 /* 0xf8 - GDT entry 31: double-fault TSS */ - /* Be sure this is zeroed to avoid false validations in Xen */ - .fill PAGE_SIZE_asm / 8 - GDT_ENTRIES,8,0 diff --git a/arch/i386/kernel/i386_ksyms.c b/arch/i386/kernel/i386_ksyms.c index 3999bec50c33..055325056a74 100644 --- a/arch/i386/kernel/i386_ksyms.c +++ b/arch/i386/kernel/i386_ksyms.c @@ -3,8 +3,6 @@ #include <asm/checksum.h> #include <asm/desc.h> -EXPORT_SYMBOL_GPL(cpu_gdt_descr); - EXPORT_SYMBOL(__down_failed); EXPORT_SYMBOL(__down_failed_interruptible); EXPORT_SYMBOL(__down_failed_trylock); diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c index f2dd218d88cb..235822b3f41b 100644 --- a/arch/i386/kernel/io_apic.c +++ b/arch/i386/kernel/io_apic.c @@ -2566,8 +2566,10 @@ int __init io_apic_get_unique_id (int ioapic, int apic_id) spin_unlock_irqrestore(&ioapic_lock, flags); /* Sanity check */ - if (reg_00.bits.ID != apic_id) - panic("IOAPIC[%d]: Unable change apic_id!\n", ioapic); + if (reg_00.bits.ID != apic_id) { + printk("IOAPIC[%d]: Unable to change apic_id!\n", ioapic); + return -1; + } } apic_printk(APIC_VERBOSE, KERN_INFO diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c index 6483eeb1a4e8..694a13997637 100644 --- a/arch/i386/kernel/kprobes.c +++ b/arch/i386/kernel/kprobes.c @@ -58,6 +58,11 @@ static inline int is_IF_modifier(kprobe_opcode_t opcode) int __kprobes arch_prepare_kprobe(struct kprobe *p) { + /* insn: must be on special executable page on i386. */ + p->ainsn.insn = get_insn_slot(); + if (!p->ainsn.insn) + return -ENOMEM; + memcpy(p->ainsn.insn, p->addr, MAX_INSN_SIZE * sizeof(kprobe_opcode_t)); p->opcode = *p->addr; return 0; @@ -77,6 +82,13 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p) (unsigned long) p->addr + sizeof(kprobe_opcode_t)); } +void __kprobes arch_remove_kprobe(struct kprobe *p) +{ + down(&kprobe_mutex); + free_insn_slot(p->ainsn.insn); + up(&kprobe_mutex); +} + static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb) { kcb->prev_kprobe.kp = kprobe_running(); @@ -111,7 +123,7 @@ static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs) if (p->opcode == BREAKPOINT_INSTRUCTION) regs->eip = (unsigned long)p->addr; else - regs->eip = (unsigned long)&p->ainsn.insn; + regs->eip = (unsigned long)p->ainsn.insn; } /* Called with kretprobe_lock held */ @@ -351,7 +363,7 @@ static void __kprobes resume_execution(struct kprobe *p, { unsigned long *tos = (unsigned long *)®s->esp; unsigned long next_eip = 0; - unsigned long copy_eip = (unsigned long)&p->ainsn.insn; + unsigned long copy_eip = (unsigned long)p->ainsn.insn; unsigned long orig_eip = (unsigned long)p->addr; switch (p->ainsn.insn[0]) { diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c index 0102f3d50e57..e6e2f43db85e 100644 --- a/arch/i386/kernel/mpparse.c +++ b/arch/i386/kernel/mpparse.c @@ -710,7 +710,7 @@ void __init get_smp_config (void) * Read the physical hardware table. Anything here will * override the defaults. */ - if (!smp_read_mpc((void *)mpf->mpf_physptr)) { + if (!smp_read_mpc(phys_to_virt(mpf->mpf_physptr))) { smp_found_config = 0; printk(KERN_ERR "BIOS bug, MP table errors detected!...\n"); printk(KERN_ERR "... disabling SMP support. (tell your hw vendor)\n"); @@ -915,6 +915,7 @@ void __init mp_register_ioapic ( u32 gsi_base) { int idx = 0; + int tmpid; if (nr_ioapics >= MAX_IO_APICS) { printk(KERN_ERR "ERROR: Max # of I/O APICs (%d) exceeded " @@ -935,9 +936,14 @@ void __init mp_register_ioapic ( set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address); if ((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) && (boot_cpu_data.x86 < 15)) - mp_ioapics[idx].mpc_apicid = io_apic_get_unique_id(idx, id); + tmpid = io_apic_get_unique_id(idx, id); else - mp_ioapics[idx].mpc_apicid = id; + tmpid = id; + if (tmpid == -1) { + nr_ioapics--; + return; + } + mp_ioapics[idx].mpc_apicid = tmpid; mp_ioapics[idx].mpc_apicver = io_apic_get_version(idx); /* diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c index fb00ab7b7612..eba7f53f8b4a 100644 --- a/arch/i386/kernel/smpboot.c +++ b/arch/i386/kernel/smpboot.c @@ -898,12 +898,6 @@ static int __devinit do_boot_cpu(int apicid, int cpu) unsigned long start_eip; unsigned short nmi_high = 0, nmi_low = 0; - if (!cpu_gdt_descr[cpu].address && - !(cpu_gdt_descr[cpu].address = get_zeroed_page(GFP_KERNEL))) { - printk("Failed to allocate GDT for CPU %d\n", cpu); - return 1; - } - ++cpucount; /* diff --git a/arch/i386/mach-default/topology.c b/arch/i386/kernel/topology.c index b64314069e78..67a0e1baa28b 100644 --- a/arch/i386/mach-default/topology.c +++ b/arch/i386/kernel/topology.c @@ -1,12 +1,12 @@ /* - * arch/i386/mach-generic/topology.c - Populate driverfs with topology information + * arch/i386/kernel/topology.c - Populate driverfs with topology information * * Written by: Matthew Dobson, IBM Corporation * Original Code: Paul Dorwin, IBM Corporation, Patrick Mochel, OSDL * * Copyright (C) 2002, IBM Corp. * - * All rights reserved. + * All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -34,7 +34,7 @@ static struct i386_cpu cpu_devices[NR_CPUS]; int arch_register_cpu(int num){ struct node *parent = NULL; - + #ifdef CONFIG_NUMA int node = cpu_to_node(num); if (node_online(node)) diff --git a/arch/i386/mach-default/Makefile b/arch/i386/mach-default/Makefile index e95bb0237921..012fe34459e6 100644 --- a/arch/i386/mach-default/Makefile +++ b/arch/i386/mach-default/Makefile @@ -2,4 +2,4 @@ # Makefile for the linux kernel. # -obj-y := setup.o topology.o +obj-y := setup.o diff --git a/arch/i386/mach-voyager/voyager_basic.c b/arch/i386/mach-voyager/voyager_basic.c index aa49a33a572c..b584060ec004 100644 --- a/arch/i386/mach-voyager/voyager_basic.c +++ b/arch/i386/mach-voyager/voyager_basic.c @@ -23,6 +23,8 @@ #include <linux/delay.h> #include <linux/reboot.h> #include <linux/sysrq.h> +#include <linux/smp.h> +#include <linux/nodemask.h> #include <asm/io.h> #include <asm/voyager.h> #include <asm/vic.h> @@ -328,4 +330,3 @@ void machine_power_off(void) if (pm_power_off) pm_power_off(); } - diff --git a/arch/i386/mach-voyager/voyager_smp.c b/arch/i386/mach-voyager/voyager_smp.c index 6e4c3baef6cc..8165626a5c30 100644 --- a/arch/i386/mach-voyager/voyager_smp.c +++ b/arch/i386/mach-voyager/voyager_smp.c @@ -402,6 +402,7 @@ find_smp_config(void) cpus_addr(phys_cpu_present_map)[0] |= voyager_extended_cmos_read(VOYAGER_PROCESSOR_PRESENT_MASK + 1) << 8; cpus_addr(phys_cpu_present_map)[0] |= voyager_extended_cmos_read(VOYAGER_PROCESSOR_PRESENT_MASK + 2) << 16; cpus_addr(phys_cpu_present_map)[0] |= voyager_extended_cmos_read(VOYAGER_PROCESSOR_PRESENT_MASK + 3) << 24; + cpu_possible_map = phys_cpu_present_map; printk("VOYAGER SMP: phys_cpu_present_map = 0x%lx\n", cpus_addr(phys_cpu_present_map)[0]); /* Here we set up the VIC to enable SMP */ /* enable the CPIs by writing the base vector to their register */ diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 845cd0902a50..a85ea9d37f05 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -453,6 +453,7 @@ source "arch/ia64/oprofile/Kconfig" config KPROBES bool "Kprobes (EXPERIMENTAL)" + depends on EXPERIMENTAL && MODULES help Kprobes allows you to trap at almost any kernel address and execute a callback function. register_kprobe() establishes diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c index d2702c419cf8..ecd44bdc8394 100644 --- a/arch/ia64/kernel/acpi.c +++ b/arch/ia64/kernel/acpi.c @@ -761,6 +761,59 @@ int acpi_map_cpu2node(acpi_handle handle, int cpu, long physid) return (0); } +int additional_cpus __initdata = -1; + +static __init int setup_additional_cpus(char *s) +{ + if (s) + additional_cpus = simple_strtol(s, NULL, 0); + + return 0; +} + +early_param("additional_cpus", setup_additional_cpus); + +/* + * cpu_possible_map should be static, it cannot change as cpu's + * are onlined, or offlined. The reason is per-cpu data-structures + * are allocated by some modules at init time, and dont expect to + * do this dynamically on cpu arrival/departure. + * cpu_present_map on the other hand can change dynamically. + * In case when cpu_hotplug is not compiled, then we resort to current + * behaviour, which is cpu_possible == cpu_present. + * - Ashok Raj + * + * Three ways to find out the number of additional hotplug CPUs: + * - If the BIOS specified disabled CPUs in ACPI/mptables use that. + * - The user can overwrite it with additional_cpus=NUM + * - Otherwise don't reserve additional CPUs. + */ +__init void prefill_possible_map(void) +{ + int i; + int possible, disabled_cpus; + + disabled_cpus = total_cpus - available_cpus; + + if (additional_cpus == -1) { + if (disabled_cpus > 0) + additional_cpus = disabled_cpus; + else + additional_cpus = 0; + } + + possible = available_cpus + additional_cpus; + + if (possible > NR_CPUS) + possible = NR_CPUS; + + printk(KERN_INFO "SMP: Allowing %d CPUs, %d hotplug CPUs\n", + possible, max((possible - available_cpus), 0)); + + for (i = 0; i < possible; i++) + cpu_set(i, cpu_possible_map); +} + int acpi_map_lsapic(acpi_handle handle, int *pcpu) { struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S index 27b222c277e4..930fdfca6ddb 100644 --- a/arch/ia64/kernel/entry.S +++ b/arch/ia64/kernel/entry.S @@ -569,7 +569,9 @@ GLOBAL_ENTRY(ia64_trace_syscall) .mem.offset 0,0; st8.spill [r2]=r8 // store return value in slot for r8 .mem.offset 8,0; st8.spill [r3]=r10 // clear error indication in slot for r10 br.call.sptk.many rp=syscall_trace_leave // give parent a chance to catch return value -.ret3: br.cond.sptk .work_pending_syscall_end +.ret3: +(pUStk) cmp.eq.unc p6,p0=r0,r0 // p6 <- pUStk + br.cond.sptk .work_pending_syscall_end strace_error: ld8 r3=[r2] // load pt_regs.r8 diff --git a/arch/ia64/kernel/ia64_ksyms.c b/arch/ia64/kernel/ia64_ksyms.c index e72de580ebbf..bbcfd08378a6 100644 --- a/arch/ia64/kernel/ia64_ksyms.c +++ b/arch/ia64/kernel/ia64_ksyms.c @@ -10,23 +10,8 @@ #include <linux/string.h> EXPORT_SYMBOL(memset); -EXPORT_SYMBOL(memchr); -EXPORT_SYMBOL(memcmp); EXPORT_SYMBOL(memcpy); -EXPORT_SYMBOL(memmove); -EXPORT_SYMBOL(memscan); -EXPORT_SYMBOL(strcat); -EXPORT_SYMBOL(strchr); -EXPORT_SYMBOL(strcmp); -EXPORT_SYMBOL(strcpy); EXPORT_SYMBOL(strlen); -EXPORT_SYMBOL(strncat); -EXPORT_SYMBOL(strncmp); -EXPORT_SYMBOL(strncpy); -EXPORT_SYMBOL(strnlen); -EXPORT_SYMBOL(strrchr); -EXPORT_SYMBOL(strstr); -EXPORT_SYMBOL(strpbrk); #include <asm/checksum.h> EXPORT_SYMBOL(ip_fast_csum); /* hand-coded assembly */ diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c index 35f7835294a3..3258e09278d0 100644 --- a/arch/ia64/kernel/setup.c +++ b/arch/ia64/kernel/setup.c @@ -430,6 +430,7 @@ setup_arch (char **cmdline_p) if (early_console_setup(*cmdline_p) == 0) mark_bsp_online(); + parse_early_param(); #ifdef CONFIG_ACPI /* Initialize the ACPI boot-time table parser */ acpi_table_init(); @@ -688,6 +689,9 @@ void setup_per_cpu_areas (void) { /* start_kernel() requires this... */ +#ifdef CONFIG_ACPI_HOTPLUG_CPU + prefill_possible_map(); +#endif } /* diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c index 8f44e7d2df66..b681ef34a86e 100644 --- a/arch/ia64/kernel/smpboot.c +++ b/arch/ia64/kernel/smpboot.c @@ -129,7 +129,7 @@ DEFINE_PER_CPU(int, cpu_state); /* Bitmasks of currently online, and possible CPUs */ cpumask_t cpu_online_map; EXPORT_SYMBOL(cpu_online_map); -cpumask_t cpu_possible_map; +cpumask_t cpu_possible_map = CPU_MASK_NONE; EXPORT_SYMBOL(cpu_possible_map); cpumask_t cpu_core_map[NR_CPUS] __cacheline_aligned; @@ -506,9 +506,6 @@ smp_build_cpu_map (void) for (cpu = 0; cpu < NR_CPUS; cpu++) { ia64_cpu_to_sapicid[cpu] = -1; -#ifdef CONFIG_HOTPLUG_CPU - cpu_set(cpu, cpu_possible_map); -#endif } ia64_cpu_to_sapicid[0] = boot_cpu_id; diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index a094ec49ccfa..307d01e15b2e 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -250,32 +250,27 @@ time_init (void) set_normalized_timespec(&wall_to_monotonic, -xtime.tv_sec, -xtime.tv_nsec); } -#define SMALLUSECS 100 - -void -udelay (unsigned long usecs) +/* + * Generic udelay assumes that if preemption is allowed and the thread + * migrates to another CPU, that the ITC values are synchronized across + * all CPUs. + */ +static void +ia64_itc_udelay (unsigned long usecs) { - unsigned long start; - unsigned long cycles; - unsigned long smallusecs; + unsigned long start = ia64_get_itc(); + unsigned long end = start + usecs*local_cpu_data->cyc_per_usec; - /* - * Execute the non-preemptible delay loop (because the ITC might - * not be synchronized between CPUS) in relatively short time - * chunks, allowing preemption between the chunks. - */ - while (usecs > 0) { - smallusecs = (usecs > SMALLUSECS) ? SMALLUSECS : usecs; - preempt_disable(); - cycles = smallusecs*local_cpu_data->cyc_per_usec; - start = ia64_get_itc(); + while (time_before(ia64_get_itc(), end)) + cpu_relax(); +} - while (ia64_get_itc() - start < cycles) - cpu_relax(); +void (*ia64_udelay)(unsigned long usecs) = &ia64_itc_udelay; - preempt_enable(); - usecs -= smallusecs; - } +void +udelay (unsigned long usecs) +{ + (*ia64_udelay)(usecs); } EXPORT_SYMBOL(udelay); diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c index 55391901b013..dabd6c32641e 100644 --- a/arch/ia64/kernel/traps.c +++ b/arch/ia64/kernel/traps.c @@ -16,6 +16,7 @@ #include <linux/module.h> /* for EXPORT_SYMBOL */ #include <linux/hardirq.h> #include <linux/kprobes.h> +#include <linux/delay.h> /* for ssleep() */ #include <asm/fpswa.h> #include <asm/ia32.h> @@ -116,6 +117,13 @@ die (const char *str, struct pt_regs *regs, long err) bust_spinlocks(0); die.lock_owner = -1; spin_unlock_irq(&die.lock); + + if (panic_on_oops) { + printk(KERN_EMERG "Fatal exception: panic in 5 seconds\n"); + ssleep(5); + panic("Fatal exception"); + } + do_exit(SIGSEGV); } diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c index 3437c2390429..3edef0d32f86 100644 --- a/arch/ia64/sn/kernel/io_init.c +++ b/arch/ia64/sn/kernel/io_init.c @@ -23,6 +23,10 @@ #include "xtalk/hubdev.h" #include "xtalk/xwidgetdev.h" + +extern void sn_init_cpei_timer(void); +extern void register_sn_procfs(void); + static struct list_head sn_sysdata_list; /* sysdata list struct */ @@ -40,12 +44,12 @@ struct brick { struct slab_info slab_info[MAX_SLABS + 1]; }; -int sn_ioif_inited = 0; /* SN I/O infrastructure initialized? */ +int sn_ioif_inited; /* SN I/O infrastructure initialized? */ struct sn_pcibus_provider *sn_pci_provider[PCIIO_ASIC_MAX_TYPES]; /* indexed by asic type */ -static int max_segment_number = 0; /* Default highest segment number */ -static int max_pcibus_number = 255; /* Default highest pci bus number */ +static int max_segment_number; /* Default highest segment number */ +static int max_pcibus_number = 255; /* Default highest pci bus number */ /* * Hooks and struct for unsupported pci providers @@ -84,7 +88,6 @@ static inline u64 sal_get_device_dmaflush_list(u64 nasid, u64 widget_num, u64 device_num, u64 address) { - struct ia64_sal_retval ret_stuff; ret_stuff.status = 0; ret_stuff.v0 = 0; @@ -94,7 +97,6 @@ sal_get_device_dmaflush_list(u64 nasid, u64 widget_num, u64 device_num, (u64) nasid, (u64) widget_num, (u64) device_num, (u64) address, 0, 0, 0); return ret_stuff.status; - } /* @@ -102,7 +104,6 @@ sal_get_device_dmaflush_list(u64 nasid, u64 widget_num, u64 device_num, */ static inline u64 sal_get_hubdev_info(u64 handle, u64 address) { - struct ia64_sal_retval ret_stuff; ret_stuff.status = 0; ret_stuff.v0 = 0; @@ -118,7 +119,6 @@ static inline u64 sal_get_hubdev_info(u64 handle, u64 address) */ static inline u64 sal_get_pcibus_info(u64 segment, u64 busnum, u64 address) { - struct ia64_sal_retval ret_stuff; ret_stuff.status = 0; ret_stuff.v0 = 0; @@ -215,7 +215,7 @@ static void __init sn_fixup_ionodes(void) struct hubdev_info *hubdev; u64 status; u64 nasid; - int i, widget, device; + int i, widget, device, size; /* * Get SGI Specific HUB chipset information. @@ -251,48 +251,37 @@ static void __init sn_fixup_ionodes(void) if (!hubdev->hdi_flush_nasid_list.widget_p) continue; + size = (HUB_WIDGET_ID_MAX + 1) * + sizeof(struct sn_flush_device_kernel *); hubdev->hdi_flush_nasid_list.widget_p = - kmalloc((HUB_WIDGET_ID_MAX + 1) * - sizeof(struct sn_flush_device_kernel *), - GFP_KERNEL); - memset(hubdev->hdi_flush_nasid_list.widget_p, 0x0, - (HUB_WIDGET_ID_MAX + 1) * - sizeof(struct sn_flush_device_kernel *)); + kzalloc(size, GFP_KERNEL); + if (!hubdev->hdi_flush_nasid_list.widget_p) + BUG(); for (widget = 0; widget <= HUB_WIDGET_ID_MAX; widget++) { - sn_flush_device_kernel = kmalloc(DEV_PER_WIDGET * - sizeof(struct - sn_flush_device_kernel), - GFP_KERNEL); + size = DEV_PER_WIDGET * + sizeof(struct sn_flush_device_kernel); + sn_flush_device_kernel = kzalloc(size, GFP_KERNEL); if (!sn_flush_device_kernel) BUG(); - memset(sn_flush_device_kernel, 0x0, - DEV_PER_WIDGET * - sizeof(struct sn_flush_device_kernel)); dev_entry = sn_flush_device_kernel; for (device = 0; device < DEV_PER_WIDGET; device++,dev_entry++) { - dev_entry->common = kmalloc(sizeof(struct - sn_flush_device_common), - GFP_KERNEL); + size = sizeof(struct sn_flush_device_common); + dev_entry->common = kzalloc(size, GFP_KERNEL); if (!dev_entry->common) BUG(); - memset(dev_entry->common, 0x0, sizeof(struct - sn_flush_device_common)); if (sn_prom_feature_available( PRF_DEVICE_FLUSH_LIST)) status = sal_get_device_dmaflush_list( - nasid, - widget, - device, - (u64)(dev_entry->common)); + nasid, widget, device, + (u64)(dev_entry->common)); else status = sn_device_fixup_war(nasid, - widget, - device, - dev_entry->common); + widget, device, + dev_entry->common); if (status != SALRET_OK) panic("SAL call failed: %s\n", ia64_sal_strerror(status)); @@ -383,13 +372,12 @@ void sn_pci_fixup_slot(struct pci_dev *dev) pci_dev_get(dev); /* for the sysdata pointer */ pcidev_info = kzalloc(sizeof(struct pcidev_info), GFP_KERNEL); - if (pcidev_info <= 0) + if (!pcidev_info) BUG(); /* Cannot afford to run out of memory */ - sn_irq_info = kmalloc(sizeof(struct sn_irq_info), GFP_KERNEL); - if (sn_irq_info <= 0) + sn_irq_info = kzalloc(sizeof(struct sn_irq_info), GFP_KERNEL); + if (!sn_irq_info) BUG(); /* Cannot afford to run out of memory */ - memset(sn_irq_info, 0, sizeof(struct sn_irq_info)); /* Call to retrieve pci device information needed by kernel. */ status = sal_get_pcidev_info((u64) segment, (u64) dev->bus->number, @@ -482,13 +470,13 @@ void sn_pci_fixup_slot(struct pci_dev *dev) */ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus) { - int status = 0; + int status; int nasid, cnode; struct pci_controller *controller; struct sn_pci_controller *sn_controller; struct pcibus_bussoft *prom_bussoft_ptr; struct hubdev_info *hubdev_info; - void *provider_soft = NULL; + void *provider_soft; struct sn_pcibus_provider *provider; status = sal_get_pcibus_info((u64) segment, (u64) busnum, @@ -535,6 +523,8 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus) bus->sysdata = controller; if (provider->bus_fixup) provider_soft = (*provider->bus_fixup) (prom_bussoft_ptr, controller); + else + provider_soft = NULL; if (provider_soft == NULL) { /* fixup failed or not applicable */ @@ -638,13 +628,8 @@ void sn_bus_free_sysdata(void) static int __init sn_pci_init(void) { - int i = 0; - int j = 0; + int i, j; struct pci_dev *pci_dev = NULL; - extern void sn_init_cpei_timer(void); -#ifdef CONFIG_PROC_FS - extern void register_sn_procfs(void); -#endif if (!ia64_platform_is("sn2") || IS_RUNNING_ON_FAKE_PROM()) return 0; @@ -700,32 +685,29 @@ static int __init sn_pci_init(void) */ void hubdev_init_node(nodepda_t * npda, cnodeid_t node) { - struct hubdev_info *hubdev_info; + int size; + pg_data_t *pg; + + size = sizeof(struct hubdev_info); if (node >= num_online_nodes()) /* Headless/memless IO nodes */ - hubdev_info = - (struct hubdev_info *)alloc_bootmem_node(NODE_DATA(0), - sizeof(struct - hubdev_info)); + pg = NODE_DATA(0); else - hubdev_info = - (struct hubdev_info *)alloc_bootmem_node(NODE_DATA(node), - sizeof(struct - hubdev_info)); - npda->pdinfo = (void *)hubdev_info; + pg = NODE_DATA(node); + hubdev_info = (struct hubdev_info *)alloc_bootmem_node(pg, size); + + npda->pdinfo = (void *)hubdev_info; } geoid_t cnodeid_get_geoid(cnodeid_t cnode) { - struct hubdev_info *hubdev; hubdev = (struct hubdev_info *)(NODEPDA(cnode)->pdinfo); return hubdev->hdi_geoid; - } subsys_initcall(sn_pci_init); @@ -734,3 +716,4 @@ EXPORT_SYMBOL(sn_pci_unfixup_slot); EXPORT_SYMBOL(sn_pci_controller_fixup); EXPORT_SYMBOL(sn_bus_store_sysdata); EXPORT_SYMBOL(sn_bus_free_sysdata); +EXPORT_SYMBOL(sn_pcidev_info_get); diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c index 48645ac120fc..5b84836c2171 100644 --- a/arch/ia64/sn/kernel/setup.c +++ b/arch/ia64/sn/kernel/setup.c @@ -75,7 +75,7 @@ EXPORT_SYMBOL(sn_rtc_cycles_per_second); DEFINE_PER_CPU(struct sn_hub_info_s, __sn_hub_info); EXPORT_PER_CPU_SYMBOL(__sn_hub_info); -DEFINE_PER_CPU(short, __sn_cnodeid_to_nasid[MAX_NUMNODES]); +DEFINE_PER_CPU(short, __sn_cnodeid_to_nasid[MAX_COMPACT_NODES]); EXPORT_PER_CPU_SYMBOL(__sn_cnodeid_to_nasid); DEFINE_PER_CPU(struct nodepda_s *, __sn_nodepda); @@ -317,6 +317,7 @@ struct pcdp_vga_device { #define PCDP_PCI_TRANS_IOPORT 0x02 #define PCDP_PCI_TRANS_MMIO 0x01 +#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE) static void sn_scan_pcdp(void) { @@ -358,6 +359,7 @@ sn_scan_pcdp(void) break; /* once we find the primary, we're done */ } } +#endif static unsigned long sn2_rtc_initial; diff --git a/arch/ia64/sn/kernel/sn2/prominfo_proc.c b/arch/ia64/sn/kernel/sn2/prominfo_proc.c index 81c63b2f8ae9..6ae276d5d50c 100644 --- a/arch/ia64/sn/kernel/sn2/prominfo_proc.c +++ b/arch/ia64/sn/kernel/sn2/prominfo_proc.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1999,2001-2004 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (C) 1999,2001-2004, 2006 Silicon Graphics, Inc. All Rights Reserved. * * Module to export the system's Firmware Interface Tables, including * PROM revision numbers and banners, in /proc @@ -190,7 +190,7 @@ static int read_version_entry(char *page, char **start, off_t off, int count, int *eof, void *data) { - int len = 0; + int len; /* data holds the NASID of the node */ len = dump_version(page, (unsigned long)data); @@ -202,7 +202,7 @@ static int read_fit_entry(char *page, char **start, off_t off, int count, int *eof, void *data) { - int len = 0; + int len; /* data holds the NASID of the node */ len = dump_fit(page, (unsigned long)data); @@ -229,13 +229,16 @@ int __init prominfo_init(void) struct proc_dir_entry *p; cnodeid_t cnodeid; unsigned long nasid; + int size; char name[NODE_NAME_LEN]; if (!ia64_platform_is("sn2")) return 0; - proc_entries = kmalloc(num_online_nodes() * sizeof(struct proc_dir_entry *), - GFP_KERNEL); + size = num_online_nodes() * sizeof(struct proc_dir_entry *); + proc_entries = kzalloc(size, GFP_KERNEL); + if (!proc_entries) + return -ENOMEM; sgi_prominfo_entry = proc_mkdir("sgi_prominfo", NULL); @@ -244,14 +247,12 @@ int __init prominfo_init(void) sprintf(name, "node%d", cnodeid); *entp = proc_mkdir(name, sgi_prominfo_entry); nasid = cnodeid_to_nasid(cnodeid); - p = create_proc_read_entry( - "fit", 0, *entp, read_fit_entry, - (void *)nasid); + p = create_proc_read_entry("fit", 0, *entp, read_fit_entry, + (void *)nasid); if (p) p->owner = THIS_MODULE; - p = create_proc_read_entry( - "version", 0, *entp, read_version_entry, - (void *)nasid); + p = create_proc_read_entry("version", 0, *entp, + read_version_entry, (void *)nasid); if (p) p->owner = THIS_MODULE; entp++; @@ -263,7 +264,7 @@ int __init prominfo_init(void) void __exit prominfo_exit(void) { struct proc_dir_entry **entp; - unsigned cnodeid; + unsigned int cnodeid; char name[NODE_NAME_LEN]; entp = proc_entries; diff --git a/arch/ia64/sn/kernel/sn2/sn2_smp.c b/arch/ia64/sn/kernel/sn2/sn2_smp.c index f153a4c35c70..24eefb2fc55f 100644 --- a/arch/ia64/sn/kernel/sn2/sn2_smp.c +++ b/arch/ia64/sn/kernel/sn2/sn2_smp.c @@ -46,8 +46,14 @@ DECLARE_PER_CPU(struct ptc_stats, ptcstats); static __cacheline_aligned DEFINE_SPINLOCK(sn2_global_ptc_lock); -void sn2_ptc_deadlock_recovery(short *, short, short, int, volatile unsigned long *, unsigned long, - volatile unsigned long *, unsigned long); +extern unsigned long +sn2_ptc_deadlock_recovery_core(volatile unsigned long *, unsigned long, + volatile unsigned long *, unsigned long, + volatile unsigned long *, unsigned long); +void +sn2_ptc_deadlock_recovery(short *, short, short, int, + volatile unsigned long *, unsigned long, + volatile unsigned long *, unsigned long); /* * Note: some is the following is captured here to make degugging easier @@ -59,16 +65,6 @@ void sn2_ptc_deadlock_recovery(short *, short, short, int, volatile unsigned lon #define reset_max_active_on_deadlock() 1 #define PTC_LOCK(sh1) ((sh1) ? &sn2_global_ptc_lock : &sn_nodepda->ptc_lock) -static inline void ptc_lock(int sh1, unsigned long *flagp) -{ - spin_lock_irqsave(PTC_LOCK(sh1), *flagp); -} - -static inline void ptc_unlock(int sh1, unsigned long flags) -{ - spin_unlock_irqrestore(PTC_LOCK(sh1), flags); -} - struct ptc_stats { unsigned long ptc_l; unsigned long change_rid; @@ -82,6 +78,8 @@ struct ptc_stats { unsigned long shub_ptc_flushes_not_my_mm; }; +#define sn2_ptctest 0 + static inline unsigned long wait_piowc(void) { volatile unsigned long *piows; @@ -200,7 +198,7 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start, max_active = max_active_pio(shub1); itc = ia64_get_itc(); - ptc_lock(shub1, &flags); + spin_lock_irqsave(PTC_LOCK(shub1), flags); itc2 = ia64_get_itc(); __get_cpu_var(ptcstats).lock_itc_clocks += itc2 - itc; @@ -258,7 +256,7 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start, ia64_srlz_d(); } - ptc_unlock(shub1, flags); + spin_unlock_irqrestore(PTC_LOCK(shub1), flags); preempt_enable(); } @@ -270,11 +268,12 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start, * TLB flush transaction. The recovery sequence is somewhat tricky & is * coded in assembly language. */ -void sn2_ptc_deadlock_recovery(short *nasids, short ib, short ie, int mynasid, volatile unsigned long *ptc0, unsigned long data0, - volatile unsigned long *ptc1, unsigned long data1) + +void +sn2_ptc_deadlock_recovery(short *nasids, short ib, short ie, int mynasid, + volatile unsigned long *ptc0, unsigned long data0, + volatile unsigned long *ptc1, unsigned long data1) { - extern unsigned long sn2_ptc_deadlock_recovery_core(volatile unsigned long *, unsigned long, - volatile unsigned long *, unsigned long, volatile unsigned long *, unsigned long); short nasid, i; unsigned long *piows, zeroval, n; diff --git a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c index a06719d752a0..c686d9c12f7b 100644 --- a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c +++ b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c @@ -6,11 +6,11 @@ * Copyright (C) 2000-2005 Silicon Graphics, Inc. All rights reserved. */ #include <linux/config.h> -#include <asm/uaccess.h> #ifdef CONFIG_PROC_FS #include <linux/proc_fs.h> #include <linux/seq_file.h> +#include <asm/uaccess.h> #include <asm/sn/sn_sal.h> static int partition_id_show(struct seq_file *s, void *p) @@ -90,10 +90,10 @@ static int coherence_id_open(struct inode *inode, struct file *file) return single_open(file, coherence_id_show, NULL); } -static struct proc_dir_entry *sn_procfs_create_entry( - const char *name, struct proc_dir_entry *parent, - int (*openfunc)(struct inode *, struct file *), - int (*releasefunc)(struct inode *, struct file *)) +static struct proc_dir_entry +*sn_procfs_create_entry(const char *name, struct proc_dir_entry *parent, + int (*openfunc)(struct inode *, struct file *), + int (*releasefunc)(struct inode *, struct file *)) { struct proc_dir_entry *e = create_proc_entry(name, 0444, parent); @@ -126,24 +126,24 @@ void register_sn_procfs(void) return; sn_procfs_create_entry("partition_id", sgi_proc_dir, - partition_id_open, single_release); + partition_id_open, single_release); sn_procfs_create_entry("system_serial_number", sgi_proc_dir, - system_serial_number_open, single_release); + system_serial_number_open, single_release); sn_procfs_create_entry("licenseID", sgi_proc_dir, - licenseID_open, single_release); + licenseID_open, single_release); e = sn_procfs_create_entry("sn_force_interrupt", sgi_proc_dir, - sn_force_interrupt_open, single_release); + sn_force_interrupt_open, single_release); if (e) e->proc_fops->write = sn_force_interrupt_write_proc; sn_procfs_create_entry("coherence_id", sgi_proc_dir, - coherence_id_open, single_release); + coherence_id_open, single_release); sn_procfs_create_entry("sn_topology", sgi_proc_dir, - sn_topology_open, sn_topology_release); + sn_topology_open, sn_topology_release); } #endif /* CONFIG_PROC_FS */ diff --git a/arch/ia64/sn/kernel/sn2/timer.c b/arch/ia64/sn/kernel/sn2/timer.c index deb9baf4d473..56a88b6df4b4 100644 --- a/arch/ia64/sn/kernel/sn2/timer.c +++ b/arch/ia64/sn/kernel/sn2/timer.c @@ -14,6 +14,7 @@ #include <asm/hw_irq.h> #include <asm/system.h> +#include <asm/timex.h> #include <asm/sn/leds.h> #include <asm/sn/shub_mmr.h> @@ -28,9 +29,27 @@ static struct time_interpolator sn2_interpolator = { .source = TIME_SOURCE_MMIO64 }; +/* + * sn udelay uses the RTC instead of the ITC because the ITC is not + * synchronized across all CPUs, and the thread may migrate to another CPU + * if preemption is enabled. + */ +static void +ia64_sn_udelay (unsigned long usecs) +{ + unsigned long start = rtc_time(); + unsigned long end = start + + usecs * sn_rtc_cycles_per_second / 1000000; + + while (time_before((unsigned long)rtc_time(), end)) + cpu_relax(); +} + void __init sn_timer_init(void) { sn2_interpolator.frequency = sn_rtc_cycles_per_second; sn2_interpolator.addr = RTC_COUNTER_ADDR; register_time_interpolator(&sn2_interpolator); + + ia64_udelay = &ia64_sn_udelay; } diff --git a/arch/ia64/sn/kernel/sn2/timer_interrupt.c b/arch/ia64/sn/kernel/sn2/timer_interrupt.c index adf5db2e2afe..fa7f69945917 100644 --- a/arch/ia64/sn/kernel/sn2/timer_interrupt.c +++ b/arch/ia64/sn/kernel/sn2/timer_interrupt.c @@ -1,7 +1,7 @@ /* * * - * Copyright (c) 2005 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2005, 2006 Silicon Graphics, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License @@ -22,11 +22,6 @@ * License along with this program; if not, write the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. * - * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, - * Mountain View, CA 94043, or: - * - * http://www.sgi.com - * * For further information regarding this notice, see: * * http://oss.sgi.com/projects/GenInfo/NoticeExplan diff --git a/arch/ia64/sn/kernel/tiocx.c b/arch/ia64/sn/kernel/tiocx.c index d263d3e8fbb9..8a56f8b5ffa2 100644 --- a/arch/ia64/sn/kernel/tiocx.c +++ b/arch/ia64/sn/kernel/tiocx.c @@ -284,12 +284,10 @@ struct sn_irq_info *tiocx_irq_alloc(nasid_t nasid, int widget, int irq, if ((nasid & 1) == 0) return NULL; - sn_irq_info = kmalloc(sn_irq_size, GFP_KERNEL); + sn_irq_info = kzalloc(sn_irq_size, GFP_KERNEL); if (sn_irq_info == NULL) return NULL; - memset(sn_irq_info, 0x0, sn_irq_size); - status = tiocx_intr_alloc(nasid, widget, __pa(sn_irq_info), irq, req_nasid, slice); if (status) { diff --git a/arch/ia64/sn/kernel/xpc_channel.c b/arch/ia64/sn/kernel/xpc_channel.c index 36e5437a0fb6..cdf6856ce089 100644 --- a/arch/ia64/sn/kernel/xpc_channel.c +++ b/arch/ia64/sn/kernel/xpc_channel.c @@ -738,7 +738,9 @@ xpc_process_disconnect(struct xpc_channel *ch, unsigned long *irq_flags) /* make sure all activity has settled down first */ - if (atomic_read(&ch->references) > 0) { + if (atomic_read(&ch->references) > 0 || + ((ch->flags & XPC_C_CONNECTEDCALLOUT_MADE) && + !(ch->flags & XPC_C_DISCONNECTINGCALLOUT_MADE))) { return; } DBUG_ON(atomic_read(&ch->kthreads_assigned) != 0); @@ -775,7 +777,7 @@ xpc_process_disconnect(struct xpc_channel *ch, unsigned long *irq_flags) /* both sides are disconnected now */ - if (ch->flags & XPC_C_CONNECTCALLOUT) { + if (ch->flags & XPC_C_DISCONNECTINGCALLOUT_MADE) { spin_unlock_irqrestore(&ch->lock, *irq_flags); xpc_disconnect_callout(ch, xpcDisconnected); spin_lock_irqsave(&ch->lock, *irq_flags); @@ -1300,7 +1302,7 @@ xpc_process_msg_IPI(struct xpc_partition *part, int ch_number) "delivered=%d, partid=%d, channel=%d\n", nmsgs_sent, ch->partid, ch->number); - if (ch->flags & XPC_C_CONNECTCALLOUT) { + if (ch->flags & XPC_C_CONNECTEDCALLOUT_MADE) { xpc_activate_kthreads(ch, nmsgs_sent); } } diff --git a/arch/ia64/sn/kernel/xpc_main.c b/arch/ia64/sn/kernel/xpc_main.c index 9cd460dfe27e..8cbf16432570 100644 --- a/arch/ia64/sn/kernel/xpc_main.c +++ b/arch/ia64/sn/kernel/xpc_main.c @@ -750,12 +750,16 @@ xpc_daemonize_kthread(void *args) /* let registerer know that connection has been established */ spin_lock_irqsave(&ch->lock, irq_flags); - if (!(ch->flags & XPC_C_CONNECTCALLOUT)) { - ch->flags |= XPC_C_CONNECTCALLOUT; + if (!(ch->flags & XPC_C_CONNECTEDCALLOUT)) { + ch->flags |= XPC_C_CONNECTEDCALLOUT; spin_unlock_irqrestore(&ch->lock, irq_flags); xpc_connected_callout(ch); + spin_lock_irqsave(&ch->lock, irq_flags); + ch->flags |= XPC_C_CONNECTEDCALLOUT_MADE; + spin_unlock_irqrestore(&ch->lock, irq_flags); + /* * It is possible that while the callout was being * made that the remote partition sent some messages. @@ -777,15 +781,17 @@ xpc_daemonize_kthread(void *args) if (atomic_dec_return(&ch->kthreads_assigned) == 0) { spin_lock_irqsave(&ch->lock, irq_flags); - if ((ch->flags & XPC_C_CONNECTCALLOUT) && - !(ch->flags & XPC_C_DISCONNECTCALLOUT)) { - ch->flags |= XPC_C_DISCONNECTCALLOUT; + if ((ch->flags & XPC_C_CONNECTEDCALLOUT_MADE) && + !(ch->flags & XPC_C_DISCONNECTINGCALLOUT)) { + ch->flags |= XPC_C_DISCONNECTINGCALLOUT; spin_unlock_irqrestore(&ch->lock, irq_flags); xpc_disconnect_callout(ch, xpcDisconnecting); - } else { - spin_unlock_irqrestore(&ch->lock, irq_flags); + + spin_lock_irqsave(&ch->lock, irq_flags); + ch->flags |= XPC_C_DISCONNECTINGCALLOUT_MADE; } + spin_unlock_irqrestore(&ch->lock, irq_flags); if (atomic_dec_return(&part->nchannels_engaged) == 0) { xpc_mark_partition_disengaged(part); xpc_IPI_send_disengage(part); diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c index 5a36292388eb..b4b84c269210 100644 --- a/arch/ia64/sn/pci/pci_dma.c +++ b/arch/ia64/sn/pci/pci_dma.c @@ -335,10 +335,10 @@ int sn_pci_legacy_read(struct pci_bus *bus, u16 port, u32 *val, u8 size) */ SAL_CALL(isrv, SN_SAL_IOIF_PCI_SAFE, - pci_domain_nr(bus), bus->number, - 0, /* io */ - 0, /* read */ - port, size, __pa(val)); + pci_domain_nr(bus), bus->number, + 0, /* io */ + 0, /* read */ + port, size, __pa(val)); if (isrv.status == 0) return size; @@ -381,10 +381,10 @@ int sn_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size) */ SAL_CALL(isrv, SN_SAL_IOIF_PCI_SAFE, - pci_domain_nr(bus), bus->number, - 0, /* io */ - 1, /* write */ - port, size, __pa(&val)); + pci_domain_nr(bus), bus->number, + 0, /* io */ + 1, /* write */ + port, size, __pa(&val)); if (isrv.status == 0) return size; diff --git a/arch/ia64/sn/pci/pcibr/pcibr_ate.c b/arch/ia64/sn/pci/pcibr/pcibr_ate.c index aa3fa5152a32..1f0253bfe0a0 100644 --- a/arch/ia64/sn/pci/pcibr/pcibr_ate.c +++ b/arch/ia64/sn/pci/pcibr/pcibr_ate.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2001-2004 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 2001-2006 Silicon Graphics, Inc. All rights reserved. */ #include <linux/types.h> @@ -12,7 +12,7 @@ #include <asm/sn/pcibus_provider_defs.h> #include <asm/sn/pcidev.h> -int pcibr_invalidate_ate = 0; /* by default don't invalidate ATE on free */ +int pcibr_invalidate_ate; /* by default don't invalidate ATE on free */ /* * mark_ate: Mark the ate as either free or inuse. @@ -20,14 +20,12 @@ int pcibr_invalidate_ate = 0; /* by default don't invalidate ATE on free */ static void mark_ate(struct ate_resource *ate_resource, int start, int number, u64 value) { - u64 *ate = ate_resource->ate; int index; int length = 0; for (index = start; length < number; index++, length++) ate[index] = value; - } /* @@ -37,7 +35,6 @@ static void mark_ate(struct ate_resource *ate_resource, int start, int number, static int find_free_ate(struct ate_resource *ate_resource, int start, int count) { - u64 *ate = ate_resource->ate; int index; int start_free; @@ -70,12 +67,10 @@ static int find_free_ate(struct ate_resource *ate_resource, int start, static inline void free_ate_resource(struct ate_resource *ate_resource, int start) { - mark_ate(ate_resource, start, ate_resource->ate[start], 0); if ((ate_resource->lowest_free_index > start) || (ate_resource->lowest_free_index < 0)) ate_resource->lowest_free_index = start; - } /* @@ -84,7 +79,6 @@ static inline void free_ate_resource(struct ate_resource *ate_resource, static inline int alloc_ate_resource(struct ate_resource *ate_resource, int ate_needed) { - int start_index; /* @@ -118,19 +112,12 @@ static inline int alloc_ate_resource(struct ate_resource *ate_resource, */ int pcibr_ate_alloc(struct pcibus_info *pcibus_info, int count) { - int status = 0; - u64 flag; + int status; + unsigned long flags; - flag = pcibr_lock(pcibus_info); + spin_lock_irqsave(&pcibus_info->pbi_lock, flags); status = alloc_ate_resource(&pcibus_info->pbi_int_ate_resource, count); - - if (status < 0) { - /* Failed to allocate */ - pcibr_unlock(pcibus_info, flag); - return -1; - } - - pcibr_unlock(pcibus_info, flag); + spin_unlock_irqrestore(&pcibus_info->pbi_lock, flags); return status; } @@ -182,7 +169,7 @@ void pcibr_ate_free(struct pcibus_info *pcibus_info, int index) ate_write(pcibus_info, index, count, (ate & ~PCI32_ATE_V)); } - flags = pcibr_lock(pcibus_info); + spin_lock_irqsave(&pcibus_info->pbi_lock, flags); free_ate_resource(&pcibus_info->pbi_int_ate_resource, index); - pcibr_unlock(pcibus_info, flags); + spin_unlock_irqrestore(&pcibus_info->pbi_lock, flags); } diff --git a/arch/ia64/sn/pci/pcibr/pcibr_dma.c b/arch/ia64/sn/pci/pcibr/pcibr_dma.c index 54ce5b7ceed2..9f86bb6519aa 100644 --- a/arch/ia64/sn/pci/pcibr/pcibr_dma.c +++ b/arch/ia64/sn/pci/pcibr/pcibr_dma.c @@ -137,14 +137,12 @@ pcibr_dmatrans_direct64(struct pcidev_info * info, u64 paddr, pci_addr |= PCI64_ATTR_VIRTUAL; return pci_addr; - } static dma_addr_t pcibr_dmatrans_direct32(struct pcidev_info * info, u64 paddr, size_t req_size, u64 flags) { - struct pcidev_info *pcidev_info = info->pdi_host_pcidev_info; struct pcibus_info *pcibus_info = (struct pcibus_info *)pcidev_info-> pdi_pcibus_info; @@ -171,7 +169,6 @@ pcibr_dmatrans_direct32(struct pcidev_info * info, } return PCI32_DIRECT_BASE | offset; - } /* @@ -218,9 +215,8 @@ void sn_dma_flush(u64 addr) u64 flags; u64 itte; struct hubdev_info *hubinfo; - volatile struct sn_flush_device_kernel *p; - volatile struct sn_flush_device_common *common; - + struct sn_flush_device_kernel *p; + struct sn_flush_device_common *common; struct sn_flush_nasid_entry *flush_nasid_list; if (!sn_ioif_inited) @@ -310,8 +306,7 @@ void sn_dma_flush(u64 addr) (common->sfdl_slot - 1)); } } else { - spin_lock_irqsave((spinlock_t *)&p->sfdl_flush_lock, - flags); + spin_lock_irqsave(&p->sfdl_flush_lock, flags); *common->sfdl_flush_addr = 0; /* force an interrupt. */ @@ -322,8 +317,7 @@ void sn_dma_flush(u64 addr) cpu_relax(); /* okay, everything is synched up. */ - spin_unlock_irqrestore((spinlock_t *)&p->sfdl_flush_lock, - flags); + spin_unlock_irqrestore(&p->sfdl_flush_lock, flags); } return; } diff --git a/arch/ia64/sn/pci/pcibr/pcibr_provider.c b/arch/ia64/sn/pci/pcibr/pcibr_provider.c index 2fac27049bf6..98f716bd92f0 100644 --- a/arch/ia64/sn/pci/pcibr/pcibr_provider.c +++ b/arch/ia64/sn/pci/pcibr/pcibr_provider.c @@ -163,9 +163,12 @@ pcibr_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont /* Setup the PMU ATE map */ soft->pbi_int_ate_resource.lowest_free_index = 0; soft->pbi_int_ate_resource.ate = - kmalloc(soft->pbi_int_ate_size * sizeof(u64), GFP_KERNEL); - memset(soft->pbi_int_ate_resource.ate, 0, - (soft->pbi_int_ate_size * sizeof(u64))); + kzalloc(soft->pbi_int_ate_size * sizeof(u64), GFP_KERNEL); + + if (!soft->pbi_int_ate_resource.ate) { + kfree(soft); + return NULL; + } if (prom_bussoft->bs_asic_type == PCIIO_ASIC_TYPE_TIOCP) { /* TIO PCI Bridge: find nearest node with CPUs */ diff --git a/arch/m32r/Makefile b/arch/m32r/Makefile index 983d438b14b6..4b3c90ba926c 100644 --- a/arch/m32r/Makefile +++ b/arch/m32r/Makefile @@ -12,14 +12,14 @@ CFLAGS_MODULE += -mmodel=large ifdef CONFIG_CHIP_VDEC2 cflags-$(CONFIG_ISA_M32R2) += -DNO_FPU -Wa,-bitinst -aflags-$(CONFIG_ISA_M32R2) += -DNO_FPU -Wa,-bitinst +aflags-$(CONFIG_ISA_M32R2) += -DNO_FPU -O2 -Wa,-bitinst -Wa,-no-parallel else cflags-$(CONFIG_ISA_M32R2) += -DNO_FPU -m32r2 -aflags-$(CONFIG_ISA_M32R2) += -DNO_FPU -m32r2 +aflags-$(CONFIG_ISA_M32R2) += -DNO_FPU -m32r2 -O2 endif cflags-$(CONFIG_ISA_M32R) += -DNO_FPU -aflags-$(CONFIG_ISA_M32R) += -DNO_FPU -Wa,-no-bitinst +aflags-$(CONFIG_ISA_M32R) += -DNO_FPU -O2 -Wa,-no-bitinst CFLAGS += $(cflags-y) AFLAGS += $(aflags-y) diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c index 71763f7a1d19..cb33097fefc4 100644 --- a/arch/m32r/kernel/signal.c +++ b/arch/m32r/kernel/signal.c @@ -36,7 +36,7 @@ int do_signal(struct pt_regs *, sigset_t *); asmlinkage int sys_rt_sigsuspend(sigset_t *unewset, size_t sigsetsize, unsigned long r2, unsigned long r3, unsigned long r4, - unsigned long r5, unsigned long r6, struct pt_regs regs) + unsigned long r5, unsigned long r6, struct pt_regs *regs) { sigset_t saveset, newset; @@ -54,21 +54,21 @@ sys_rt_sigsuspend(sigset_t *unewset, size_t sigsetsize, recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); - regs.r0 = -EINTR; + regs->r0 = -EINTR; while (1) { current->state = TASK_INTERRUPTIBLE; schedule(); - if (do_signal(®s, &saveset)) - return regs.r0; + if (do_signal(regs, &saveset)) + return regs->r0; } } asmlinkage int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, unsigned long r2, unsigned long r3, unsigned long r4, - unsigned long r5, unsigned long r6, struct pt_regs regs) + unsigned long r5, unsigned long r6, struct pt_regs *regs) { - return do_sigaltstack(uss, uoss, regs.spu); + return do_sigaltstack(uss, uoss, regs->spu); } @@ -140,11 +140,10 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, asmlinkage int sys_rt_sigreturn(unsigned long r0, unsigned long r1, unsigned long r2, unsigned long r3, unsigned long r4, - unsigned long r5, unsigned long r6, struct pt_regs regs) + unsigned long r5, unsigned long r6, struct pt_regs *regs) { - struct rt_sigframe __user *frame = (struct rt_sigframe __user *)regs.spu; + struct rt_sigframe __user *frame = (struct rt_sigframe __user *)regs->spu; sigset_t set; - stack_t st; int result; if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) @@ -158,14 +157,11 @@ sys_rt_sigreturn(unsigned long r0, unsigned long r1, recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); - if (restore_sigcontext(®s, &frame->uc.uc_mcontext, &result)) + if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &result)) goto badframe; - if (__copy_from_user(&st, &frame->uc.uc_stack, sizeof(st))) + if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->spu) == -EFAULT) goto badframe; - /* It is more difficult to avoid calling this function than to - call it and ignore errors. */ - do_sigaltstack(&st, NULL, regs.spu); return result; diff --git a/arch/m32r/kernel/sys_m32r.c b/arch/m32r/kernel/sys_m32r.c index fe55b28d3725..670cb49210af 100644 --- a/arch/m32r/kernel/sys_m32r.c +++ b/arch/m32r/kernel/sys_m32r.c @@ -29,28 +29,7 @@ /* * sys_tas() - test-and-set - * linuxthreads testing version */ -#ifndef CONFIG_SMP -asmlinkage int sys_tas(int *addr) -{ - int oldval; - unsigned long flags; - - if (!access_ok(VERIFY_WRITE, addr, sizeof (int))) - return -EFAULT; - local_irq_save(flags); - oldval = *addr; - if (!oldval) - *addr = 1; - local_irq_restore(flags); - return oldval; -} -#else /* CONFIG_SMP */ -#include <linux/spinlock.h> - -static DEFINE_SPINLOCK(tas_lock); - asmlinkage int sys_tas(int *addr) { int oldval; @@ -58,15 +37,43 @@ asmlinkage int sys_tas(int *addr) if (!access_ok(VERIFY_WRITE, addr, sizeof (int))) return -EFAULT; - _raw_spin_lock(&tas_lock); - oldval = *addr; - if (!oldval) - *addr = 1; - _raw_spin_unlock(&tas_lock); + /* atomic operation: + * oldval = *addr; *addr = 1; + */ + __asm__ __volatile__ ( + DCACHE_CLEAR("%0", "r4", "%1") + " .fillinsn\n" + "1:\n" + " lock %0, @%1 -> unlock %2, @%1\n" + "2:\n" + /* NOTE: + * The m32r processor can accept interrupts only + * at the 32-bit instruction boundary. + * So, in the above code, the "unlock" instruction + * can be executed continuously after the "lock" + * instruction execution without any interruptions. + */ + ".section .fixup,\"ax\"\n" + " .balign 4\n" + "3: ldi %0, #%3\n" + " seth r14, #high(2b)\n" + " or3 r14, r14, #low(2b)\n" + " jmp r14\n" + ".previous\n" + ".section __ex_table,\"a\"\n" + " .balign 4\n" + " .long 1b,3b\n" + ".previous\n" + : "=&r" (oldval) + : "r" (addr), "r" (1), "i"(-EFAULT) + : "r14", "memory" +#ifdef CONFIG_CHIP_M32700_TS1 + , "r4" +#endif /* CONFIG_CHIP_M32700_TS1 */ + ); return oldval; } -#endif /* CONFIG_SMP */ /* * sys_pipe() is the normal C calling standard for creating diff --git a/arch/m32r/lib/usercopy.c b/arch/m32r/lib/usercopy.c index ce16bbe26a52..2d1dd2106c4d 100644 --- a/arch/m32r/lib/usercopy.c +++ b/arch/m32r/lib/usercopy.c @@ -64,7 +64,7 @@ do { \ " .balign 4\n" \ " .long 0b,3b\n" \ ".previous" \ - : "=r"(res), "=r"(count), "=&r" (__d0), "=&r" (__d1), \ + : "=&r"(res), "=&r"(count), "=&r" (__d0), "=&r" (__d1), \ "=&r" (__d2) \ : "i"(-EFAULT), "0"(count), "1"(count), "3"(src), \ "4"(dst) \ @@ -101,7 +101,7 @@ do { \ " .balign 4\n" \ " .long 0b,3b\n" \ ".previous" \ - : "=r"(res), "=r"(count), "=&r" (__d0), "=&r" (__d1), \ + : "=&r"(res), "=&r"(count), "=&r" (__d0), "=&r" (__d1), \ "=&r" (__d2) \ : "i"(-EFAULT), "0"(count), "1"(count), "3"(src), \ "4"(dst) \ diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c index 3f9cb55d0356..2d8ad0727b6b 100644 --- a/arch/m68k/kernel/process.c +++ b/arch/m68k/kernel/process.c @@ -129,6 +129,9 @@ void machine_power_off(void) for (;;); } +void (*pm_power_off)(void) = machine_power_off; +EXPORT_SYMBOL(pm_power_off); + void show_regs(struct pt_regs * regs) { printk("\n"); diff --git a/arch/mips/configs/ip27_defconfig b/arch/mips/configs/ip27_defconfig index e17d3adff021..58c22cd344d3 100644 --- a/arch/mips/configs/ip27_defconfig +++ b/arch/mips/configs/ip27_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.15-rc2 -# Thu Nov 24 01:06:21 2005 +# Linux kernel version: 2.6.16-rc4 +# Tue Feb 21 13:44:31 2006 # CONFIG_MIPS=y @@ -144,7 +144,6 @@ CONFIG_PREEMPT_BKL=y # Code maturity level options # CONFIG_EXPERIMENTAL=y -CONFIG_CLEAN_COMPILE=y CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 @@ -250,6 +249,7 @@ CONFIG_NET=y # # Networking options # +# CONFIG_NETDEBUG is not set CONFIG_PACKET=y CONFIG_PACKET_MMAP=y CONFIG_UNIX=y @@ -289,6 +289,7 @@ CONFIG_TCP_CONG_BIC=y # SCTP Configuration (EXPERIMENTAL) # # CONFIG_IP_SCTP is not set + # CONFIG_ATM is not set # CONFIG_BRIDGE is not set # CONFIG_VLAN_8021Q is not set @@ -448,7 +449,7 @@ CONFIG_SCSI_SAS_ATTRS=m # # SCSI low-level drivers # -CONFIG_ISCSI_TCP=m +# CONFIG_ISCSI_TCP is not set # CONFIG_BLK_DEV_3W_XXXX_RAID is not set # CONFIG_SCSI_3W_9XXX is not set # CONFIG_SCSI_ACARD is not set @@ -774,6 +775,10 @@ CONFIG_USB_ARCH_HAS_OHCI=y # # +# EDAC - error detection and reporting (RAS) +# + +# # File systems # CONFIG_EXT2_FS=y diff --git a/arch/mips/kernel/binfmt_elfn32.c b/arch/mips/kernel/binfmt_elfn32.c index d8e2674a1543..4a9f1ecefaf2 100644 --- a/arch/mips/kernel/binfmt_elfn32.c +++ b/arch/mips/kernel/binfmt_elfn32.c @@ -103,8 +103,9 @@ jiffies_to_compat_timeval(unsigned long jiffies, struct compat_timeval *value) * one divide. */ u64 nsec = (u64)jiffies * TICK_NSEC; - value->tv_sec = div_long_long_rem(nsec, NSEC_PER_SEC, &value->tv_usec); - value->tv_usec /= NSEC_PER_USEC; + long rem; + value->tv_sec = div_long_long_rem(nsec, NSEC_PER_SEC, &rem); + value->tv_usec = rem / NSEC_PER_USEC; } #define ELF_CORE_EFLAGS EF_MIPS_ABI2 diff --git a/arch/mips/kernel/binfmt_elfo32.c b/arch/mips/kernel/binfmt_elfo32.c index cec5f327e360..e31813779895 100644 --- a/arch/mips/kernel/binfmt_elfo32.c +++ b/arch/mips/kernel/binfmt_elfo32.c @@ -105,8 +105,9 @@ jiffies_to_compat_timeval(unsigned long jiffies, struct compat_timeval *value) * one divide. */ u64 nsec = (u64)jiffies * TICK_NSEC; - value->tv_sec = div_long_long_rem(nsec, NSEC_PER_SEC, &value->tv_usec); - value->tv_usec /= NSEC_PER_USEC; + long rem; + value->tv_sec = div_long_long_rem(nsec, NSEC_PER_SEC, &rem); + value->tv_usec = rem / NSEC_PER_USEC; } #undef ELF_CORE_COPY_REGS diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index 60353f5acc48..e00e5f6e7fdd 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -161,60 +161,6 @@ out: return error; } -struct dirent32 { - unsigned int d_ino; - unsigned int d_off; - unsigned short d_reclen; - char d_name[NAME_MAX + 1]; -}; - -static void -xlate_dirent(void *dirent64, void *dirent32, long n) -{ - long off; - struct dirent *dirp; - struct dirent32 *dirp32; - - off = 0; - while (off < n) { - dirp = (struct dirent *)(dirent64 + off); - dirp32 = (struct dirent32 *)(dirent32 + off); - off += dirp->d_reclen; - dirp32->d_ino = dirp->d_ino; - dirp32->d_off = (unsigned int)dirp->d_off; - dirp32->d_reclen = dirp->d_reclen; - strncpy(dirp32->d_name, dirp->d_name, dirp->d_reclen - ((3 * 4) + 2)); - } - return; -} - -asmlinkage long -sys32_getdents(unsigned int fd, void * dirent32, unsigned int count) -{ - long n; - void *dirent64; - - dirent64 = (void *)((unsigned long)(dirent32 + (sizeof(long) - 1)) & ~(sizeof(long) - 1)); - if ((n = sys_getdents(fd, dirent64, count - (dirent64 - dirent32))) < 0) - return(n); - xlate_dirent(dirent64, dirent32, n); - return(n); -} - -asmlinkage int old_readdir(unsigned int fd, void * dirent, unsigned int count); - -asmlinkage int -sys32_readdir(unsigned int fd, void * dirent32, unsigned int count) -{ - int n; - struct dirent dirent64; - - if ((n = old_readdir(fd, &dirent64, count)) < 0) - return(n); - xlate_dirent(&dirent64, dirent32, dirent64.d_reclen); - return(n); -} - asmlinkage int sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr, int options) { @@ -230,6 +176,9 @@ sysn32_waitid(int which, compat_pid_t pid, long ret; mm_segment_t old_fs = get_fs(); + if (!access_ok(VERIFY_WRITE, uinfo, sizeof(*uinfo))) + return -EFAULT; + set_fs (KERNEL_DS); ret = sys_waitid(which, pid, uinfo, options, uru ? (struct rusage __user *) &ru : NULL); @@ -1450,25 +1399,6 @@ sys32_timer_create(u32 clock, struct sigevent32 __user *se32, timer_t __user *ti return sys_timer_create(clock, p, timer_id); } -asmlinkage long -sysn32_rt_sigtimedwait(const sigset_t __user *uthese, - siginfo_t __user *uinfo, - const struct compat_timespec __user *uts32, - size_t sigsetsize) -{ - struct timespec __user *uts = NULL; - - if (uts32) { - struct timespec ts; - uts = compat_alloc_user_space(sizeof(struct timespec)); - if (get_user(ts.tv_sec, &uts32->tv_sec) || - get_user(ts.tv_nsec, &uts32->tv_nsec) || - copy_to_user (uts, &ts, sizeof (ts))) - return -EFAULT; - } - return sys_rt_sigtimedwait(uthese, uinfo, uts, sigsetsize); -} - save_static_function(sys32_clone); __attribute_used__ noinline static int _sys32_clone(nabi_no_regargs struct pt_regs regs) diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index d83e033dbc87..2f2dc54b2e26 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -626,7 +626,7 @@ einval: li v0, -EINVAL sys sys_fstatat64 4 sys sys_unlinkat 3 sys sys_renameat 4 /* 4295 */ - sys sys_linkat 4 + sys sys_linkat 5 sys sys_symlinkat 3 sys sys_readlinkat 4 sys sys_fchmodat 3 diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index bc4980cefc8b..02c8267e45e7 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -195,7 +195,7 @@ EXPORT(sysn32_call_table) PTR sys_fdatasync PTR sys_truncate PTR sys_ftruncate /* 6075 */ - PTR sys32_getdents + PTR compat_sys_getdents PTR sys_getcwd PTR sys_chdir PTR sys_fchdir @@ -245,9 +245,9 @@ EXPORT(sysn32_call_table) PTR sys_capget PTR sys_capset PTR sys32_rt_sigpending /* 6125 */ - PTR sysn32_rt_sigtimedwait + PTR compat_sys_rt_sigtimedwait PTR sys_rt_sigqueueinfo - PTR sys32_rt_sigsuspend + PTR sysn32_rt_sigsuspend PTR sys32_sigaltstack PTR compat_sys_utime /* 6130 */ PTR sys_mknod diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 5b0414018c9a..797e0d874889 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -293,7 +293,7 @@ sys_call_table: PTR sys_uselib PTR sys_swapon PTR sys_reboot - PTR sys32_readdir + PTR compat_sys_old_readdir PTR old_mmap /* 4090 */ PTR sys_munmap PTR sys_truncate @@ -345,7 +345,7 @@ sys_call_table: PTR sys_setfsuid PTR sys_setfsgid PTR sys32_llseek /* 4140 */ - PTR sys32_getdents + PTR compat_sys_getdents PTR compat_sys_select PTR sys_flock PTR sys_msync diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index d86affa21278..d9293c558e41 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -540,6 +540,9 @@ void __init setup_arch(char **cmdline_p) sparse_init(); paging_init(); resource_init(); +#ifdef CONFIG_SMP + plat_smp_setup(); +#endif } int __init fpu_disable(char *s) diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index 8a8b8dd90417..237cd8a2cd32 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -4,7 +4,7 @@ * for more details. * * Copyright (C) 1991, 1992 Linus Torvalds - * Copyright (C) 1994 - 2000 Ralf Baechle + * Copyright (C) 1994 - 2000, 2006 Ralf Baechle * Copyright (C) 1999, 2000 Silicon Graphics, Inc. */ #include <linux/cache.h> @@ -106,8 +106,6 @@ typedef struct compat_siginfo { #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) -extern int do_signal32(sigset_t *oldset, struct pt_regs *regs); - /* 32-bit compatibility types */ #define _NSIG_BPW32 32 @@ -198,7 +196,7 @@ __attribute_used__ noinline static int _sys32_sigsuspend(nabi_no_regargs struct pt_regs regs) { compat_sigset_t *uset; - sigset_t newset, saveset; + sigset_t newset; uset = (compat_sigset_t *) regs.regs[4]; if (get_sigset(&newset, uset)) @@ -206,19 +204,15 @@ _sys32_sigsuspend(nabi_no_regargs struct pt_regs regs) sigdelsetmask(&newset, ~_BLOCKABLE); spin_lock_irq(¤t->sighand->siglock); - saveset = current->blocked; + current->saved_sigmask = current->blocked; current->blocked = newset; recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); - regs.regs[2] = EINTR; - regs.regs[7] = 1; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - if (do_signal32(&saveset, ®s)) - return -EINTR; - } + current->state = TASK_INTERRUPTIBLE; + schedule(); + set_thread_flag(TIF_RESTORE_SIGMASK); + return -ERESTARTNOHAND; } save_static_function(sys32_rt_sigsuspend); @@ -226,8 +220,8 @@ __attribute_used__ noinline static int _sys32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) { compat_sigset_t *uset; - sigset_t newset, saveset; - size_t sigsetsize; + sigset_t newset; + size_t sigsetsize; /* XXX Don't preclude handling different sized sigset_t's. */ sigsetsize = regs.regs[5]; @@ -240,19 +234,15 @@ _sys32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) sigdelsetmask(&newset, ~_BLOCKABLE); spin_lock_irq(¤t->sighand->siglock); - saveset = current->blocked; + current->saved_sigmask = current->blocked; current->blocked = newset; recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); - regs.regs[2] = EINTR; - regs.regs[7] = 1; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - if (do_signal32(&saveset, ®s)) - return -EINTR; - } + current->state = TASK_INTERRUPTIBLE; + schedule(); + set_thread_flag(TIF_RESTORE_SIGMASK); + return -ERESTARTNOHAND; } asmlinkage int sys32_sigaction(int sig, const struct sigaction32 *act, @@ -783,7 +773,7 @@ static inline int handle_signal(unsigned long sig, siginfo_t *info, regs->regs[2] = EINTR; break; case ERESTARTSYS: - if(!(ka->sa.sa_flags & SA_RESTART)) { + if (!(ka->sa.sa_flags & SA_RESTART)) { regs->regs[2] = EINTR; break; } @@ -810,9 +800,10 @@ static inline int handle_signal(unsigned long sig, siginfo_t *info, return ret; } -int do_signal32(sigset_t *oldset, struct pt_regs *regs) +void do_signal32(struct pt_regs *regs) { struct k_sigaction ka; + sigset_t *oldset; siginfo_t info; int signr; @@ -822,17 +813,30 @@ int do_signal32(sigset_t *oldset, struct pt_regs *regs) * if so. */ if (!user_mode(regs)) - return 1; + return; if (try_to_freeze()) goto no_signal; - if (!oldset) + if (test_thread_flag(TIF_RESTORE_SIGMASK)) + oldset = ¤t->saved_sigmask; + else oldset = ¤t->blocked; signr = get_signal_to_deliver(&info, &ka, regs, NULL); - if (signr > 0) - return handle_signal(signr, &info, &ka, oldset, regs); + if (signr > 0) { + /* Whee! Actually deliver the signal. */ + if (handle_signal(signr, &info, &ka, oldset, regs) == 0) { + /* + * A signal was successfully delivered; the saved + * sigmask will have been stored in the signal frame, + * and will be restored by sigreturn, so we can simply + * clear the TIF_RESTORE_SIGMASK flag. + */ + if (test_thread_flag(TIF_RESTORE_SIGMASK)) + clear_thread_flag(TIF_RESTORE_SIGMASK); + } + } no_signal: /* @@ -853,7 +857,15 @@ no_signal: regs->cp0_epc -= 4; } } - return 0; + + /* + * If there's no signal to deliver, we just put the saved sigmask + * back + */ + if (test_thread_flag(TIF_RESTORE_SIGMASK)) { + clear_thread_flag(TIF_RESTORE_SIGMASK); + sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); + } } asmlinkage int sys32_rt_sigaction(int sig, const struct sigaction32 *act, diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c index 5a3776096f07..3e168c08a3a8 100644 --- a/arch/mips/kernel/signal_n32.c +++ b/arch/mips/kernel/signal_n32.c @@ -81,6 +81,39 @@ struct rt_sigframe_n32 { #endif }; +extern void sigset_from_compat (sigset_t *set, compat_sigset_t *compat); + +save_static_function(sysn32_rt_sigsuspend); +__attribute_used__ noinline static int +_sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) +{ + compat_sigset_t __user *unewset, uset; + size_t sigsetsize; + sigset_t newset; + + /* XXX Don't preclude handling different sized sigset_t's. */ + sigsetsize = regs.regs[5]; + if (sigsetsize != sizeof(sigset_t)) + return -EINVAL; + + unewset = (compat_sigset_t __user *) regs.regs[4]; + if (copy_from_user(&uset, unewset, sizeof(uset))) + return -EFAULT; + sigset_from_compat (&newset, &uset); + sigdelsetmask(&newset, ~_BLOCKABLE); + + spin_lock_irq(¤t->sighand->siglock); + current->saved_sigmask = current->blocked; + current->blocked = newset; + recalc_sigpending(); + spin_unlock_irq(¤t->sighand->siglock); + + current->state = TASK_INTERRUPTIBLE; + schedule(); + set_thread_flag(TIF_RESTORE_SIGMASK); + return -ERESTARTNOHAND; +} + save_static_function(sysn32_rt_sigreturn); __attribute_used__ noinline static void _sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs) diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 25472fcaf715..06ed90752424 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -29,6 +29,7 @@ #include <linux/timex.h> #include <linux/sched.h> #include <linux/cpumask.h> +#include <linux/cpu.h> #include <asm/atomic.h> #include <asm/cpu.h> @@ -235,7 +236,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) init_new_context(current, &init_mm); current_thread_info()->cpu = 0; smp_tune_scheduling(); - prom_prepare_cpus(max_cpus); + plat_prepare_cpus(max_cpus); } /* preload SMP state for boot cpu */ @@ -424,6 +425,25 @@ void flush_tlb_one(unsigned long vaddr) local_flush_tlb_one(vaddr); } +static DEFINE_PER_CPU(struct cpu, cpu_devices); + +static int __init topology_init(void) +{ + int cpu; + int ret; + + for_each_cpu(cpu) { + ret = register_cpu(&per_cpu(cpu_devices, cpu), cpu, NULL); + if (ret) + printk(KERN_WARNING "topology_init: register_cpu %d " + "failed (%d)\n", cpu, ret); + } + + return 0; +} + +subsys_initcall(topology_init); + EXPORT_SYMBOL(flush_tlb_page); EXPORT_SYMBOL(flush_tlb_one); EXPORT_SYMBOL(cpu_data); diff --git a/arch/mips/kernel/smp_mt.c b/arch/mips/kernel/smp_mt.c index c930364830d0..993b8bf56aaf 100644 --- a/arch/mips/kernel/smp_mt.c +++ b/arch/mips/kernel/smp_mt.c @@ -143,7 +143,7 @@ static struct irqaction irq_call = { * Make sure all CPU's are in a sensible state before we boot any of the * secondarys */ -void prom_prepare_cpus(unsigned int max_cpus) +void plat_smp_setup(void) { unsigned long val; int i, num; @@ -179,11 +179,9 @@ void prom_prepare_cpus(unsigned int max_cpus) write_vpe_c0_vpeconf0(tmp); /* Record this as available CPU */ - if (i < max_cpus) { - cpu_set(i, phys_cpu_present_map); - __cpu_number_map[i] = ++num; - __cpu_logical_map[num] = i; - } + cpu_set(i, phys_cpu_present_map); + __cpu_number_map[i] = ++num; + __cpu_logical_map[num] = i; } /* disable multi-threading with TC's */ @@ -241,7 +239,10 @@ void prom_prepare_cpus(unsigned int max_cpus) set_vi_handler (MIPS_CPU_IPI_RESCHED_IRQ, ipi_resched_dispatch); set_vi_handler (MIPS_CPU_IPI_CALL_IRQ, ipi_call_dispatch); } +} +void __init plat_prepare_cpus(unsigned int max_cpus) +{ cpu_ipi_resched_irq = MIPSCPU_INT_BASE + MIPS_CPU_IPI_RESCHED_IRQ; cpu_ipi_call_irq = MIPSCPU_INT_BASE + MIPS_CPU_IPI_CALL_IRQ; diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index c9d2b5147ca3..005debbfbe84 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1994 - 1999, 2000, 01 Ralf Baechle + * Copyright (C) 1994 - 1999, 2000, 01, 06 Ralf Baechle * Copyright (C) 1995, 1996 Paul M. Antoine * Copyright (C) 1998 Ulf Carlsson * Copyright (C) 1999 Silicon Graphics, Inc. @@ -548,6 +548,8 @@ asmlinkage void do_ov(struct pt_regs *regs) { siginfo_t info; + die_if_kernel("Integer overflow", regs); + info.si_code = FPE_INTOVF; info.si_signo = SIGFPE; info.si_errno = 0; diff --git a/arch/mips/mm/cex-sb1.S b/arch/mips/mm/cex-sb1.S index 0e71580774ff..e54a62f2807c 100644 --- a/arch/mips/mm/cex-sb1.S +++ b/arch/mips/mm/cex-sb1.S @@ -64,7 +64,7 @@ LEAF(except_vec2_sb1) sd k0,0x170($0) sd k1,0x178($0) -#if CONFIG_SB1_CEX_ALWAYS_FATAL +#ifdef CONFIG_SB1_CEX_ALWAYS_FATAL j handle_vec2_sb1 nop #else diff --git a/arch/mips/pmc-sierra/yosemite/smp.c b/arch/mips/pmc-sierra/yosemite/smp.c index f17f575f58f0..c197311e15d3 100644 --- a/arch/mips/pmc-sierra/yosemite/smp.c +++ b/arch/mips/pmc-sierra/yosemite/smp.c @@ -50,37 +50,25 @@ void __init prom_grab_secondary(void) * We don't want to start the secondary CPU yet nor do we have a nice probing * feature in PMON so we just assume presence of the secondary core. */ -static char maxcpus_string[] __initdata = - KERN_WARNING "max_cpus set to 0; using 1 instead\n"; - -void __init prom_prepare_cpus(unsigned int max_cpus) +void __init plat_smp_setup(void) { - int enabled = 0, i; - - if (max_cpus == 0) { - printk(maxcpus_string); - max_cpus = 1; - } + int i; cpus_clear(phys_cpu_present_map); for (i = 0; i < 2; i++) { - if (i == max_cpus) - break; - - /* - * The boot CPU - */ cpu_set(i, phys_cpu_present_map); __cpu_number_map[i] = i; __cpu_logical_map[i] = i; - enabled++; } +} +void __init plat_prepare_cpus(unsigned int max_cpus) +{ /* * Be paranoid. Enable the IPI only if we're really about to go SMP. */ - if (enabled > 1) + if (cpus_weight(cpu_possible_map)) set_c0_status(STATUSF_IP5); } @@ -94,7 +82,7 @@ void __init prom_prepare_cpus(unsigned int max_cpus) void prom_boot_secondary(int cpu, struct task_struct *idle) { unsigned long gp = (unsigned long) task_thread_info(idle); - unsigned long sp = __KSTK_TOP(idle); + unsigned long sp = __KSTK_TOS(idle); secondary_sp = sp; secondary_gp = gp; diff --git a/arch/mips/sgi-ip27/ip27-smp.c b/arch/mips/sgi-ip27/ip27-smp.c index dbef3f6b5650..09fa7f5216f0 100644 --- a/arch/mips/sgi-ip27/ip27-smp.c +++ b/arch/mips/sgi-ip27/ip27-smp.c @@ -140,7 +140,7 @@ static __init void intr_clear_all(nasid_t nasid) REMOTE_HUB_CLR_INTR(nasid, i); } -void __init prom_prepare_cpus(unsigned int max_cpus) +void __init plat_smp_setup(void) { cnodeid_t cnode; @@ -161,6 +161,11 @@ void __init prom_prepare_cpus(unsigned int max_cpus) alloc_cpupda(0, 0); } +void __init plat_prepare_cpus(unsigned int max_cpus) +{ + /* We already did everything necessary earlier */ +} + /* * Launch a slave into smp_bootstrap(). It doesn't take an argument, and we * set sp to the kernel stack of the newly created idle process, gp to the proc diff --git a/arch/mips/sibyte/Kconfig b/arch/mips/sibyte/Kconfig index de46f62ac462..816aee7fcd25 100644 --- a/arch/mips/sibyte/Kconfig +++ b/arch/mips/sibyte/Kconfig @@ -102,11 +102,11 @@ config SIMULATION Build a kernel suitable for running under the GDB simulator. Primarily adjusts the kernel's notion of time. -config CONFIG_SB1_CEX_ALWAYS_FATAL +config SB1_CEX_ALWAYS_FATAL bool "All cache exceptions considered fatal (no recovery attempted)" depends on SIBYTE_SB1xxx_SOC -config CONFIG_SB1_CERR_STALL +config SB1_CERR_STALL bool "Stall (rather than panic) on fatal cache error" depends on SIBYTE_SB1xxx_SOC diff --git a/arch/mips/sibyte/bcm1480/irq.c b/arch/mips/sibyte/bcm1480/irq.c index b2a1ba5d23df..9cf7d713b13c 100644 --- a/arch/mips/sibyte/bcm1480/irq.c +++ b/arch/mips/sibyte/bcm1480/irq.c @@ -139,7 +139,7 @@ void bcm1480_unmask_irq(int cpu, int irq) #ifdef CONFIG_SMP static void bcm1480_set_affinity(unsigned int irq, cpumask_t mask) { - int i = 0, old_cpu, cpu, int_on; + int i = 0, old_cpu, cpu, int_on, k; u64 cur_ints; irq_desc_t *desc = irq_desc + irq; unsigned long flags; @@ -165,7 +165,6 @@ static void bcm1480_set_affinity(unsigned int irq, cpumask_t mask) irq_dirty -= BCM1480_NR_IRQS_HALF; } - int k; for (k=0; k<2; k++) { /* Loop through high and low interrupt mask register */ cur_ints = ____raw_readq(IOADDR(A_BCM1480_IMR_MAPPER(old_cpu) + R_BCM1480_IMR_INTERRUPT_MASK_H + (k*BCM1480_IMR_HL_SPACING))); int_on = !(cur_ints & (((u64) 1) << irq_dirty)); @@ -216,6 +215,7 @@ static void ack_bcm1480_irq(unsigned int irq) { u64 pending; unsigned int irq_dirty; + int k; /* * If the interrupt was an HT interrupt, now is the time to @@ -227,7 +227,6 @@ static void ack_bcm1480_irq(unsigned int irq) if ((irq_dirty >= BCM1480_NR_IRQS_HALF) && (irq_dirty <= BCM1480_NR_IRQS)) { irq_dirty -= BCM1480_NR_IRQS_HALF; } - int k; for (k=0; k<2; k++) { /* Loop through high and low LDT interrupts */ pending = __raw_readq(IOADDR(A_BCM1480_IMR_REGISTER(bcm1480_irq_owner[irq], R_BCM1480_IMR_LDT_INTERRUPT_H + (k*BCM1480_IMR_HL_SPACING)))); diff --git a/arch/mips/sibyte/cfe/smp.c b/arch/mips/sibyte/cfe/smp.c index 4477af3d8074..eab20e2db323 100644 --- a/arch/mips/sibyte/cfe/smp.c +++ b/arch/mips/sibyte/cfe/smp.c @@ -31,7 +31,7 @@ * * Common setup before any secondaries are started */ -void __init prom_prepare_cpus(unsigned int max_cpus) +void __init plat_smp_setup(void) { int i, num; @@ -40,14 +40,18 @@ void __init prom_prepare_cpus(unsigned int max_cpus) __cpu_number_map[0] = 0; __cpu_logical_map[0] = 0; - for (i=1, num=0; i<NR_CPUS; i++) { + for (i = 1, num = 0; i < NR_CPUS; i++) { if (cfe_cpu_stop(i) == 0) { cpu_set(i, phys_cpu_present_map); __cpu_number_map[i] = ++num; __cpu_logical_map[num] = i; } } - printk("Detected %i available secondary CPU(s)\n", num); + printk(KERN_INFO "Detected %i available secondary CPU(s)\n", num); +} + +void __init plat_prepare_cpus(unsigned int max_cpus) +{ } /* diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 80d114a3a837..a834f9e0bbb3 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -963,7 +963,7 @@ source "arch/powerpc/oprofile/Kconfig" config KPROBES bool "Kprobes (EXPERIMENTAL)" - depends on PPC64 + depends on PPC64 && EXPERIMENTAL && MODULES help Kprobes allows you to trap at almost any kernel address and execute a callback function. register_kprobe() establishes diff --git a/arch/powerpc/configs/g5_defconfig b/arch/powerpc/configs/g5_defconfig index d6fed3f56580..2c3fd2007676 100644 --- a/arch/powerpc/configs/g5_defconfig +++ b/arch/powerpc/configs/g5_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.15-rc5 -# Tue Dec 20 15:59:30 2005 +# Linux kernel version: 2.6.16-rc2 +# Fri Feb 10 17:33:08 2006 # CONFIG_PPC64=y CONFIG_64BIT=y @@ -16,6 +16,10 @@ CONFIG_COMPAT=y CONFIG_SYSVIPC_COMPAT=y CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_PPC_OF=y +# CONFIG_PPC_UDBG_16550 is not set +CONFIG_GENERIC_TBSYNC=y +# CONFIG_DEFAULT_UIMAGE is not set # # Processor support @@ -26,13 +30,12 @@ CONFIG_PPC_FPU=y CONFIG_ALTIVEC=y CONFIG_PPC_STD_MMU=y CONFIG_SMP=y -CONFIG_NR_CPUS=2 +CONFIG_NR_CPUS=4 # # Code maturity level options # CONFIG_EXPERIMENTAL=y -CONFIG_CLEAN_COMPILE=y CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 @@ -47,8 +50,6 @@ CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set CONFIG_SYSCTL=y # CONFIG_AUDIT is not set -CONFIG_HOTPLUG=y -CONFIG_KOBJECT_UEVENT=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y # CONFIG_CPUSETS is not set @@ -58,8 +59,10 @@ CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y +CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y @@ -68,8 +71,10 @@ CONFIG_CC_ALIGN_FUNCTIONS=0 CONFIG_CC_ALIGN_LABELS=0 CONFIG_CC_ALIGN_LOOPS=0 CONFIG_CC_ALIGN_JUMPS=0 +CONFIG_SLAB=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set # # Loadable module support @@ -112,13 +117,12 @@ CONFIG_PPC_PMAC=y CONFIG_PPC_PMAC64=y # CONFIG_PPC_MAPLE is not set # CONFIG_PPC_CELL is not set -CONFIG_PPC_OF=y CONFIG_U3_DART=y CONFIG_MPIC=y # CONFIG_PPC_RTAS is not set # CONFIG_MMIO_NVRAM is not set +CONFIG_MPIC_BROKEN_U3=y # CONFIG_PPC_MPC106 is not set -CONFIG_GENERIC_TBSYNC=y CONFIG_CPU_FREQ=y CONFIG_CPU_FREQ_TABLE=y # CONFIG_CPU_FREQ_DEBUG is not set @@ -151,6 +155,7 @@ CONFIG_FORCE_MAX_ZONEORDER=13 CONFIG_IOMMU_VMERGE=y # CONFIG_HOTPLUG_CPU is not set CONFIG_KEXEC=y +# CONFIG_CRASH_DUMP is not set CONFIG_IRQ_ALL_CPUS=y # CONFIG_NUMA is not set CONFIG_ARCH_SELECT_MEMORY_MODEL=y @@ -202,6 +207,7 @@ CONFIG_NET=y # # Networking options # +# CONFIG_NETDEBUG is not set CONFIG_PACKET=y # CONFIG_PACKET_MMAP is not set CONFIG_UNIX=y @@ -239,6 +245,7 @@ CONFIG_NETFILTER=y # Core Netfilter Configuration # # CONFIG_NETFILTER_NETLINK is not set +# CONFIG_NETFILTER_XTABLES is not set # # IP: Netfilter Configuration @@ -255,65 +262,6 @@ CONFIG_IP_NF_TFTP=m CONFIG_IP_NF_AMANDA=m # CONFIG_IP_NF_PPTP is not set CONFIG_IP_NF_QUEUE=m -CONFIG_IP_NF_IPTABLES=m -CONFIG_IP_NF_MATCH_LIMIT=m -CONFIG_IP_NF_MATCH_IPRANGE=m -CONFIG_IP_NF_MATCH_MAC=m -CONFIG_IP_NF_MATCH_PKTTYPE=m -CONFIG_IP_NF_MATCH_MARK=m -CONFIG_IP_NF_MATCH_MULTIPORT=m -CONFIG_IP_NF_MATCH_TOS=m -CONFIG_IP_NF_MATCH_RECENT=m -CONFIG_IP_NF_MATCH_ECN=m -CONFIG_IP_NF_MATCH_DSCP=m -CONFIG_IP_NF_MATCH_AH_ESP=m -CONFIG_IP_NF_MATCH_LENGTH=m -CONFIG_IP_NF_MATCH_TTL=m -CONFIG_IP_NF_MATCH_TCPMSS=m -CONFIG_IP_NF_MATCH_HELPER=m -CONFIG_IP_NF_MATCH_STATE=m -CONFIG_IP_NF_MATCH_CONNTRACK=m -CONFIG_IP_NF_MATCH_OWNER=m -CONFIG_IP_NF_MATCH_ADDRTYPE=m -CONFIG_IP_NF_MATCH_REALM=m -CONFIG_IP_NF_MATCH_SCTP=m -# CONFIG_IP_NF_MATCH_DCCP is not set -CONFIG_IP_NF_MATCH_COMMENT=m -CONFIG_IP_NF_MATCH_CONNMARK=m -CONFIG_IP_NF_MATCH_CONNBYTES=m -CONFIG_IP_NF_MATCH_HASHLIMIT=m -CONFIG_IP_NF_MATCH_STRING=m -CONFIG_IP_NF_FILTER=m -CONFIG_IP_NF_TARGET_REJECT=m -CONFIG_IP_NF_TARGET_LOG=m -CONFIG_IP_NF_TARGET_ULOG=m -CONFIG_IP_NF_TARGET_TCPMSS=m -CONFIG_IP_NF_TARGET_NFQUEUE=m -CONFIG_IP_NF_NAT=m -CONFIG_IP_NF_NAT_NEEDED=y -CONFIG_IP_NF_TARGET_MASQUERADE=m -CONFIG_IP_NF_TARGET_REDIRECT=m -CONFIG_IP_NF_TARGET_NETMAP=m -CONFIG_IP_NF_TARGET_SAME=m -CONFIG_IP_NF_NAT_SNMP_BASIC=m -CONFIG_IP_NF_NAT_IRC=m -CONFIG_IP_NF_NAT_FTP=m -CONFIG_IP_NF_NAT_TFTP=m -CONFIG_IP_NF_NAT_AMANDA=m -CONFIG_IP_NF_MANGLE=m -CONFIG_IP_NF_TARGET_TOS=m -CONFIG_IP_NF_TARGET_ECN=m -CONFIG_IP_NF_TARGET_DSCP=m -CONFIG_IP_NF_TARGET_MARK=m -CONFIG_IP_NF_TARGET_CLASSIFY=m -CONFIG_IP_NF_TARGET_TTL=m -CONFIG_IP_NF_TARGET_CONNMARK=m -CONFIG_IP_NF_TARGET_CLUSTERIP=m -CONFIG_IP_NF_RAW=m -CONFIG_IP_NF_TARGET_NOTRACK=m -CONFIG_IP_NF_ARPTABLES=m -CONFIG_IP_NF_ARPFILTER=m -CONFIG_IP_NF_ARP_MANGLE=m # # DCCP Configuration (EXPERIMENTAL) @@ -324,6 +272,11 @@ CONFIG_IP_NF_ARP_MANGLE=m # SCTP Configuration (EXPERIMENTAL) # # CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_BRIDGE is not set # CONFIG_VLAN_8021Q is not set @@ -342,7 +295,6 @@ CONFIG_LLC=y # QoS and/or fair queueing # # CONFIG_NET_SCHED is not set -CONFIG_NET_CLS_ROUTE=y # # Network testing @@ -545,13 +497,7 @@ CONFIG_SCSI_SATA_SVW=y # CONFIG_SCSI_IPR is not set # CONFIG_SCSI_QLOGIC_FC is not set # CONFIG_SCSI_QLOGIC_1280 is not set -CONFIG_SCSI_QLA2XXX=y -# CONFIG_SCSI_QLA21XX is not set -# CONFIG_SCSI_QLA22XX is not set -# CONFIG_SCSI_QLA2300 is not set -# CONFIG_SCSI_QLA2322 is not set -# CONFIG_SCSI_QLA6312 is not set -# CONFIG_SCSI_QLA24XX is not set +# CONFIG_SCSI_QLA_FC is not set # CONFIG_SCSI_LPFC is not set # CONFIG_SCSI_DC395x is not set # CONFIG_SCSI_DC390T is not set @@ -614,7 +560,6 @@ CONFIG_IEEE1394_SBP2=m CONFIG_IEEE1394_ETH1394=m CONFIG_IEEE1394_DV1394=m CONFIG_IEEE1394_RAWIO=y -# CONFIG_IEEE1394_CMP is not set # # I2O device support @@ -630,6 +575,7 @@ CONFIG_THERM_PM72=y CONFIG_WINDFARM=y CONFIG_WINDFARM_PM81=y CONFIG_WINDFARM_PM91=y +CONFIG_WINDFARM_PM112=y # # Network device support @@ -682,8 +628,9 @@ CONFIG_E1000=y # CONFIG_R8169 is not set # CONFIG_SIS190 is not set # CONFIG_SKGE is not set +# CONFIG_SKY2 is not set # CONFIG_SK98LIN is not set -CONFIG_TIGON3=m +CONFIG_TIGON3=y # CONFIG_BNX2 is not set # CONFIG_MV643XX_ETH is not set @@ -861,8 +808,7 @@ CONFIG_I2C_ALGOBIT=y # CONFIG_I2C_I801 is not set # CONFIG_I2C_I810 is not set # CONFIG_I2C_PIIX4 is not set -CONFIG_I2C_KEYWEST=y -CONFIG_I2C_PMAC_SMU=y +CONFIG_I2C_POWERMAC=y # CONFIG_I2C_NFORCE2 is not set # CONFIG_I2C_PARPORT_LIGHT is not set # CONFIG_I2C_PROSAVAGE is not set @@ -895,6 +841,12 @@ CONFIG_I2C_PMAC_SMU=y # CONFIG_I2C_DEBUG_CHIP is not set # +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# # Dallas's 1-wire bus # # CONFIG_W1 is not set @@ -961,7 +913,6 @@ CONFIG_FB_RADEON_I2C=y # CONFIG_FB_KYRO is not set # CONFIG_FB_3DFX is not set # CONFIG_FB_VOODOO1 is not set -# CONFIG_FB_CYBLA is not set # CONFIG_FB_TRIDENT is not set # CONFIG_FB_VIRTUAL is not set @@ -1008,9 +959,10 @@ CONFIG_SND_OSSEMUL=y CONFIG_SND_MIXER_OSS=m CONFIG_SND_PCM_OSS=m CONFIG_SND_SEQUENCER_OSS=y +# CONFIG_SND_DYNAMIC_MINORS is not set +CONFIG_SND_SUPPORT_OLD_API=y # CONFIG_SND_VERBOSE_PRINTK is not set # CONFIG_SND_DEBUG is not set -CONFIG_SND_GENERIC_DRIVER=y # # Generic devices @@ -1024,6 +976,8 @@ CONFIG_SND_GENERIC_DRIVER=y # # PCI devices # +# CONFIG_SND_AD1889 is not set +# CONFIG_SND_ALS4000 is not set # CONFIG_SND_ALI5451 is not set # CONFIG_SND_ATIIXP is not set # CONFIG_SND_ATIIXP_MODEM is not set @@ -1032,39 +986,38 @@ CONFIG_SND_GENERIC_DRIVER=y # CONFIG_SND_AU8830 is not set # CONFIG_SND_AZT3328 is not set # CONFIG_SND_BT87X is not set -# CONFIG_SND_CS46XX is not set +# CONFIG_SND_CA0106 is not set +# CONFIG_SND_CMIPCI is not set # CONFIG_SND_CS4281 is not set +# CONFIG_SND_CS46XX is not set # CONFIG_SND_EMU10K1 is not set # CONFIG_SND_EMU10K1X is not set -# CONFIG_SND_CA0106 is not set -# CONFIG_SND_KORG1212 is not set -# CONFIG_SND_MIXART is not set -# CONFIG_SND_NM256 is not set -# CONFIG_SND_RME32 is not set -# CONFIG_SND_RME96 is not set -# CONFIG_SND_RME9652 is not set -# CONFIG_SND_HDSP is not set -# CONFIG_SND_HDSPM is not set -# CONFIG_SND_TRIDENT is not set -# CONFIG_SND_YMFPCI is not set -# CONFIG_SND_AD1889 is not set -# CONFIG_SND_ALS4000 is not set -# CONFIG_SND_CMIPCI is not set # CONFIG_SND_ENS1370 is not set # CONFIG_SND_ENS1371 is not set # CONFIG_SND_ES1938 is not set # CONFIG_SND_ES1968 is not set -# CONFIG_SND_MAESTRO3 is not set # CONFIG_SND_FM801 is not set +# CONFIG_SND_HDA_INTEL is not set +# CONFIG_SND_HDSP is not set +# CONFIG_SND_HDSPM is not set # CONFIG_SND_ICE1712 is not set # CONFIG_SND_ICE1724 is not set # CONFIG_SND_INTEL8X0 is not set # CONFIG_SND_INTEL8X0M is not set +# CONFIG_SND_KORG1212 is not set +# CONFIG_SND_MAESTRO3 is not set +# CONFIG_SND_MIXART is not set +# CONFIG_SND_NM256 is not set +# CONFIG_SND_PCXHR is not set +# CONFIG_SND_RME32 is not set +# CONFIG_SND_RME96 is not set +# CONFIG_SND_RME9652 is not set # CONFIG_SND_SONICVIBES is not set +# CONFIG_SND_TRIDENT is not set # CONFIG_SND_VIA82XX is not set # CONFIG_SND_VIA82XX_MODEM is not set # CONFIG_SND_VX222 is not set -# CONFIG_SND_HDA_INTEL is not set +# CONFIG_SND_YMFPCI is not set # # ALSA PowerMac devices @@ -1136,13 +1089,16 @@ CONFIG_USB_STORAGE_DPCM=y CONFIG_USB_STORAGE_SDDR09=y CONFIG_USB_STORAGE_SDDR55=y CONFIG_USB_STORAGE_JUMPSHOT=y +# CONFIG_USB_STORAGE_ALAUDA is not set # CONFIG_USB_STORAGE_ONETOUCH is not set +# CONFIG_USB_LIBUSUAL is not set # # USB Input Devices # CONFIG_USB_HID=y CONFIG_USB_HIDINPUT=y +# CONFIG_USB_HIDINPUT_POWERBOOK is not set CONFIG_HID_FF=y CONFIG_HID_PID=y CONFIG_LOGITECH_FF=y @@ -1159,6 +1115,7 @@ CONFIG_USB_HIDDEV=y # CONFIG_USB_YEALINK is not set # CONFIG_USB_XPAD is not set # CONFIG_USB_ATI_REMOTE is not set +# CONFIG_USB_ATI_REMOTE2 is not set # CONFIG_USB_KEYSPAN_REMOTE is not set # CONFIG_USB_APPLETOUCH is not set @@ -1207,6 +1164,7 @@ CONFIG_USB_SERIAL_GENERIC=y # CONFIG_USB_SERIAL_AIRPRIME is not set # CONFIG_USB_SERIAL_ANYDATA is not set CONFIG_USB_SERIAL_BELKIN=m +# CONFIG_USB_SERIAL_WHITEHEAT is not set CONFIG_USB_SERIAL_DIGI_ACCELEPORT=m # CONFIG_USB_SERIAL_CP2101 is not set CONFIG_USB_SERIAL_CYPRESS_M8=m @@ -1288,6 +1246,10 @@ CONFIG_USB_EZUSB=y # # +# EDAC - error detection and reporting (RAS) +# + +# # File systems # CONFIG_EXT2_FS=y @@ -1317,6 +1279,7 @@ CONFIG_XFS_EXPORT=y CONFIG_XFS_SECURITY=y CONFIG_XFS_POSIX_ACL=y # CONFIG_XFS_RT is not set +# CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set CONFIG_INOTIFY=y @@ -1357,6 +1320,7 @@ CONFIG_HUGETLBFS=y CONFIG_HUGETLB_PAGE=y CONFIG_RAMFS=y # CONFIG_RELAYFS_FS is not set +# CONFIG_CONFIGFS_FS is not set # # Miscellaneous filesystems @@ -1426,6 +1390,7 @@ CONFIG_MSDOS_PARTITION=y # CONFIG_SGI_PARTITION is not set # CONFIG_ULTRIX_PARTITION is not set # CONFIG_SUN_PARTITION is not set +# CONFIG_KARMA_PARTITION is not set # CONFIG_EFI_PARTITION is not set # @@ -1481,10 +1446,6 @@ CONFIG_CRC32=y CONFIG_LIBCRC32C=m CONFIG_ZLIB_INFLATE=y CONFIG_ZLIB_DEFLATE=m -CONFIG_TEXTSEARCH=y -CONFIG_TEXTSEARCH_KMP=m -CONFIG_TEXTSEARCH_BM=m -CONFIG_TEXTSEARCH_FSM=m # # Instrumentation Support @@ -1497,24 +1458,31 @@ CONFIG_OPROFILE=y # Kernel hacking # # CONFIG_PRINTK_TIME is not set -CONFIG_DEBUG_KERNEL=y CONFIG_MAGIC_SYSRQ=y +CONFIG_DEBUG_KERNEL=y CONFIG_LOG_BUF_SHIFT=17 CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_SCHEDSTATS is not set # CONFIG_DEBUG_SLAB is not set +CONFIG_DEBUG_MUTEXES=y # CONFIG_DEBUG_SPINLOCK is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_KOBJECT is not set # CONFIG_DEBUG_INFO is not set CONFIG_DEBUG_FS=y # CONFIG_DEBUG_VM is not set +CONFIG_FORCED_INLINING=y # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_DEBUG_STACKOVERFLOW is not set # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_DEBUGGER is not set CONFIG_IRQSTACKS=y CONFIG_BOOTX_TEXT=y +# CONFIG_PPC_EARLY_DEBUG_LPAR is not set +# CONFIG_PPC_EARLY_DEBUG_G5 is not set +# CONFIG_PPC_EARLY_DEBUG_RTAS is not set +# CONFIG_PPC_EARLY_DEBUG_MAPLE is not set +# CONFIG_PPC_EARLY_DEBUG_ISERIES is not set # # Security options diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig index 6f6c6bed1aa5..0362a70aa97c 100644 --- a/arch/powerpc/configs/ppc64_defconfig +++ b/arch/powerpc/configs/ppc64_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.15-rc5 -# Tue Dec 20 15:59:38 2005 +# Linux kernel version: 2.6.16-rc2 +# Fri Feb 10 17:32:14 2006 # CONFIG_PPC64=y CONFIG_64BIT=y @@ -16,6 +16,10 @@ CONFIG_COMPAT=y CONFIG_SYSVIPC_COMPAT=y CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_PPC_OF=y +CONFIG_PPC_UDBG_16550=y +CONFIG_GENERIC_TBSYNC=y +# CONFIG_DEFAULT_UIMAGE is not set # # Processor support @@ -33,7 +37,6 @@ CONFIG_NR_CPUS=32 # Code maturity level options # CONFIG_EXPERIMENTAL=y -CONFIG_CLEAN_COMPILE=y CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 @@ -48,8 +51,6 @@ CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set CONFIG_SYSCTL=y # CONFIG_AUDIT is not set -CONFIG_HOTPLUG=y -CONFIG_KOBJECT_UEVENT=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_CPUSETS=y @@ -59,8 +60,10 @@ CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y +CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y @@ -69,8 +72,10 @@ CONFIG_CC_ALIGN_FUNCTIONS=0 CONFIG_CC_ALIGN_LABELS=0 CONFIG_CC_ALIGN_LOOPS=0 CONFIG_CC_ALIGN_JUMPS=0 +CONFIG_SLAB=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set # # Loadable module support @@ -113,7 +118,6 @@ CONFIG_PPC_PMAC=y CONFIG_PPC_PMAC64=y CONFIG_PPC_MAPLE=y # CONFIG_PPC_CELL is not set -CONFIG_PPC_OF=y CONFIG_XICS=y CONFIG_U3_DART=y CONFIG_MPIC=y @@ -124,8 +128,8 @@ CONFIG_RTAS_FLASH=m # CONFIG_MMIO_NVRAM is not set CONFIG_MPIC_BROKEN_U3=y CONFIG_IBMVIO=y +# CONFIG_IBMEBUS is not set # CONFIG_PPC_MPC106 is not set -CONFIG_GENERIC_TBSYNC=y CONFIG_CPU_FREQ=y CONFIG_CPU_FREQ_TABLE=y # CONFIG_CPU_FREQ_DEBUG is not set @@ -158,6 +162,7 @@ CONFIG_FORCE_MAX_ZONEORDER=13 CONFIG_IOMMU_VMERGE=y CONFIG_HOTPLUG_CPU=y CONFIG_KEXEC=y +# CONFIG_CRASH_DUMP is not set CONFIG_IRQ_ALL_CPUS=y CONFIG_PPC_SPLPAR=y CONFIG_EEH=y @@ -178,6 +183,7 @@ CONFIG_HAVE_MEMORY_PRESENT=y CONFIG_SPARSEMEM_EXTREME=y # CONFIG_MEMORY_HOTPLUG is not set CONFIG_SPLIT_PTLOCK_CPUS=4 +CONFIG_MIGRATION=y # CONFIG_PPC_64K_PAGES is not set # CONFIG_SCHED_SMT is not set CONFIG_PROC_DEVICETREE=y @@ -221,6 +227,7 @@ CONFIG_NET=y # # Networking options # +# CONFIG_NETDEBUG is not set CONFIG_PACKET=y # CONFIG_PACKET_MMAP is not set CONFIG_UNIX=y @@ -260,6 +267,7 @@ CONFIG_NETFILTER=y CONFIG_NETFILTER_NETLINK=y CONFIG_NETFILTER_NETLINK_QUEUE=m CONFIG_NETFILTER_NETLINK_LOG=m +# CONFIG_NETFILTER_XTABLES is not set # # IP: Netfilter Configuration @@ -277,65 +285,6 @@ CONFIG_IP_NF_TFTP=m CONFIG_IP_NF_AMANDA=m # CONFIG_IP_NF_PPTP is not set CONFIG_IP_NF_QUEUE=m -CONFIG_IP_NF_IPTABLES=m -CONFIG_IP_NF_MATCH_LIMIT=m -CONFIG_IP_NF_MATCH_IPRANGE=m -CONFIG_IP_NF_MATCH_MAC=m -CONFIG_IP_NF_MATCH_PKTTYPE=m -CONFIG_IP_NF_MATCH_MARK=m -CONFIG_IP_NF_MATCH_MULTIPORT=m -CONFIG_IP_NF_MATCH_TOS=m -CONFIG_IP_NF_MATCH_RECENT=m -CONFIG_IP_NF_MATCH_ECN=m -CONFIG_IP_NF_MATCH_DSCP=m -CONFIG_IP_NF_MATCH_AH_ESP=m -CONFIG_IP_NF_MATCH_LENGTH=m -CONFIG_IP_NF_MATCH_TTL=m -CONFIG_IP_NF_MATCH_TCPMSS=m -CONFIG_IP_NF_MATCH_HELPER=m -CONFIG_IP_NF_MATCH_STATE=m -CONFIG_IP_NF_MATCH_CONNTRACK=m -CONFIG_IP_NF_MATCH_OWNER=m -CONFIG_IP_NF_MATCH_ADDRTYPE=m -CONFIG_IP_NF_MATCH_REALM=m -CONFIG_IP_NF_MATCH_SCTP=m -CONFIG_IP_NF_MATCH_DCCP=m -CONFIG_IP_NF_MATCH_COMMENT=m -CONFIG_IP_NF_MATCH_CONNMARK=m -CONFIG_IP_NF_MATCH_CONNBYTES=m -CONFIG_IP_NF_MATCH_HASHLIMIT=m -CONFIG_IP_NF_MATCH_STRING=m -CONFIG_IP_NF_FILTER=m -CONFIG_IP_NF_TARGET_REJECT=m -CONFIG_IP_NF_TARGET_LOG=m -CONFIG_IP_NF_TARGET_ULOG=m -CONFIG_IP_NF_TARGET_TCPMSS=m -CONFIG_IP_NF_TARGET_NFQUEUE=m -CONFIG_IP_NF_NAT=m -CONFIG_IP_NF_NAT_NEEDED=y -CONFIG_IP_NF_TARGET_MASQUERADE=m -CONFIG_IP_NF_TARGET_REDIRECT=m -CONFIG_IP_NF_TARGET_NETMAP=m -CONFIG_IP_NF_TARGET_SAME=m -CONFIG_IP_NF_NAT_SNMP_BASIC=m -CONFIG_IP_NF_NAT_IRC=m -CONFIG_IP_NF_NAT_FTP=m -CONFIG_IP_NF_NAT_TFTP=m -CONFIG_IP_NF_NAT_AMANDA=m -CONFIG_IP_NF_MANGLE=m -CONFIG_IP_NF_TARGET_TOS=m -CONFIG_IP_NF_TARGET_ECN=m -CONFIG_IP_NF_TARGET_DSCP=m -CONFIG_IP_NF_TARGET_MARK=m -CONFIG_IP_NF_TARGET_CLASSIFY=m -CONFIG_IP_NF_TARGET_TTL=m -CONFIG_IP_NF_TARGET_CONNMARK=m -CONFIG_IP_NF_TARGET_CLUSTERIP=m -CONFIG_IP_NF_RAW=m -CONFIG_IP_NF_TARGET_NOTRACK=m -CONFIG_IP_NF_ARPTABLES=m -CONFIG_IP_NF_ARPFILTER=m -CONFIG_IP_NF_ARP_MANGLE=m # # DCCP Configuration (EXPERIMENTAL) @@ -346,6 +295,11 @@ CONFIG_IP_NF_ARP_MANGLE=m # SCTP Configuration (EXPERIMENTAL) # # CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_BRIDGE is not set # CONFIG_VLAN_8021Q is not set @@ -364,7 +318,6 @@ CONFIG_LLC=y # QoS and/or fair queueing # # CONFIG_NET_SCHED is not set -CONFIG_NET_CLS_ROUTE=y # # Network testing @@ -572,13 +525,7 @@ CONFIG_SCSI_IPR_TRACE=y CONFIG_SCSI_IPR_DUMP=y # CONFIG_SCSI_QLOGIC_FC is not set # CONFIG_SCSI_QLOGIC_1280 is not set -CONFIG_SCSI_QLA2XXX=y -CONFIG_SCSI_QLA21XX=m -CONFIG_SCSI_QLA22XX=m -CONFIG_SCSI_QLA2300=m -CONFIG_SCSI_QLA2322=m -CONFIG_SCSI_QLA6312=m -CONFIG_SCSI_QLA24XX=m +# CONFIG_SCSI_QLA_FC is not set CONFIG_SCSI_LPFC=m # CONFIG_SCSI_DC395x is not set # CONFIG_SCSI_DC390T is not set @@ -642,8 +589,6 @@ CONFIG_IEEE1394_SBP2=m CONFIG_IEEE1394_ETH1394=m CONFIG_IEEE1394_DV1394=m CONFIG_IEEE1394_RAWIO=y -CONFIG_IEEE1394_CMP=m -CONFIG_IEEE1394_AMDTP=m # # I2O device support @@ -659,6 +604,7 @@ CONFIG_THERM_PM72=y CONFIG_WINDFARM=y CONFIG_WINDFARM_PM81=y CONFIG_WINDFARM_PM91=y +CONFIG_WINDFARM_PM112=y # # Network device support @@ -731,6 +677,7 @@ CONFIG_E1000=y # CONFIG_R8169 is not set # CONFIG_SIS190 is not set # CONFIG_SKGE is not set +# CONFIG_SKY2 is not set # CONFIG_SK98LIN is not set # CONFIG_VIA_VELOCITY is not set CONFIG_TIGON3=y @@ -853,6 +800,7 @@ CONFIG_HW_CONSOLE=y CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_SERIAL_8250_NR_UARTS=4 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 # CONFIG_SERIAL_8250_EXTENDED is not set # @@ -880,6 +828,7 @@ CONFIG_HVCS=m # CONFIG_WATCHDOG is not set # CONFIG_RTC is not set CONFIG_GEN_RTC=y +# CONFIG_GEN_RTC_X is not set # CONFIG_DTLK is not set # CONFIG_R3964 is not set # CONFIG_APPLICOM is not set @@ -923,8 +872,7 @@ CONFIG_I2C_AMD8111=y # CONFIG_I2C_I801 is not set # CONFIG_I2C_I810 is not set # CONFIG_I2C_PIIX4 is not set -CONFIG_I2C_KEYWEST=y -CONFIG_I2C_PMAC_SMU=y +CONFIG_I2C_POWERMAC=y # CONFIG_I2C_NFORCE2 is not set # CONFIG_I2C_PARPORT_LIGHT is not set # CONFIG_I2C_PROSAVAGE is not set @@ -957,6 +905,12 @@ CONFIG_I2C_PMAC_SMU=y # CONFIG_I2C_DEBUG_CHIP is not set # +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# # Dallas's 1-wire bus # # CONFIG_W1 is not set @@ -1028,7 +982,6 @@ CONFIG_FB_RADEON_I2C=y # CONFIG_FB_KYRO is not set # CONFIG_FB_3DFX is not set # CONFIG_FB_VOODOO1 is not set -# CONFIG_FB_CYBLA is not set # CONFIG_FB_TRIDENT is not set # CONFIG_FB_VIRTUAL is not set @@ -1073,9 +1026,10 @@ CONFIG_SND_OSSEMUL=y CONFIG_SND_MIXER_OSS=m CONFIG_SND_PCM_OSS=m CONFIG_SND_SEQUENCER_OSS=y +# CONFIG_SND_DYNAMIC_MINORS is not set +CONFIG_SND_SUPPORT_OLD_API=y # CONFIG_SND_VERBOSE_PRINTK is not set # CONFIG_SND_DEBUG is not set -CONFIG_SND_GENERIC_DRIVER=y # # Generic devices @@ -1089,6 +1043,8 @@ CONFIG_SND_GENERIC_DRIVER=y # # PCI devices # +# CONFIG_SND_AD1889 is not set +# CONFIG_SND_ALS4000 is not set # CONFIG_SND_ALI5451 is not set # CONFIG_SND_ATIIXP is not set # CONFIG_SND_ATIIXP_MODEM is not set @@ -1097,39 +1053,38 @@ CONFIG_SND_GENERIC_DRIVER=y # CONFIG_SND_AU8830 is not set # CONFIG_SND_AZT3328 is not set # CONFIG_SND_BT87X is not set -# CONFIG_SND_CS46XX is not set +# CONFIG_SND_CA0106 is not set +# CONFIG_SND_CMIPCI is not set # CONFIG_SND_CS4281 is not set +# CONFIG_SND_CS46XX is not set # CONFIG_SND_EMU10K1 is not set # CONFIG_SND_EMU10K1X is not set -# CONFIG_SND_CA0106 is not set -# CONFIG_SND_KORG1212 is not set -# CONFIG_SND_MIXART is not set -# CONFIG_SND_NM256 is not set -# CONFIG_SND_RME32 is not set -# CONFIG_SND_RME96 is not set -# CONFIG_SND_RME9652 is not set -# CONFIG_SND_HDSP is not set -# CONFIG_SND_HDSPM is not set -# CONFIG_SND_TRIDENT is not set -# CONFIG_SND_YMFPCI is not set -# CONFIG_SND_AD1889 is not set -# CONFIG_SND_ALS4000 is not set -# CONFIG_SND_CMIPCI is not set # CONFIG_SND_ENS1370 is not set # CONFIG_SND_ENS1371 is not set # CONFIG_SND_ES1938 is not set # CONFIG_SND_ES1968 is not set -# CONFIG_SND_MAESTRO3 is not set # CONFIG_SND_FM801 is not set +# CONFIG_SND_HDA_INTEL is not set +# CONFIG_SND_HDSP is not set +# CONFIG_SND_HDSPM is not set # CONFIG_SND_ICE1712 is not set # CONFIG_SND_ICE1724 is not set # CONFIG_SND_INTEL8X0 is not set # CONFIG_SND_INTEL8X0M is not set +# CONFIG_SND_KORG1212 is not set +# CONFIG_SND_MAESTRO3 is not set +# CONFIG_SND_MIXART is not set +# CONFIG_SND_NM256 is not set +# CONFIG_SND_PCXHR is not set +# CONFIG_SND_RME32 is not set +# CONFIG_SND_RME96 is not set +# CONFIG_SND_RME9652 is not set # CONFIG_SND_SONICVIBES is not set +# CONFIG_SND_TRIDENT is not set # CONFIG_SND_VIA82XX is not set # CONFIG_SND_VIA82XX_MODEM is not set # CONFIG_SND_VX222 is not set -# CONFIG_SND_HDA_INTEL is not set +# CONFIG_SND_YMFPCI is not set # # ALSA PowerMac devices @@ -1201,13 +1156,16 @@ CONFIG_USB_STORAGE=m # CONFIG_USB_STORAGE_SDDR09 is not set # CONFIG_USB_STORAGE_SDDR55 is not set # CONFIG_USB_STORAGE_JUMPSHOT is not set +# CONFIG_USB_STORAGE_ALAUDA is not set # CONFIG_USB_STORAGE_ONETOUCH is not set +# CONFIG_USB_LIBUSUAL is not set # # USB Input Devices # CONFIG_USB_HID=y CONFIG_USB_HIDINPUT=y +# CONFIG_USB_HIDINPUT_POWERBOOK is not set # CONFIG_HID_FF is not set CONFIG_USB_HIDDEV=y # CONFIG_USB_AIPTEK is not set @@ -1221,6 +1179,7 @@ CONFIG_USB_HIDDEV=y # CONFIG_USB_YEALINK is not set # CONFIG_USB_XPAD is not set # CONFIG_USB_ATI_REMOTE is not set +# CONFIG_USB_ATI_REMOTE2 is not set # CONFIG_USB_KEYSPAN_REMOTE is not set # CONFIG_USB_APPLETOUCH is not set @@ -1307,6 +1266,10 @@ CONFIG_INFINIBAND_IPOIB=m # # +# EDAC - error detection and reporting (RAS) +# + +# # File systems # CONFIG_EXT2_FS=y @@ -1340,6 +1303,7 @@ CONFIG_XFS_EXPORT=y CONFIG_XFS_SECURITY=y CONFIG_XFS_POSIX_ACL=y # CONFIG_XFS_RT is not set +# CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set CONFIG_INOTIFY=y @@ -1379,6 +1343,7 @@ CONFIG_HUGETLBFS=y CONFIG_HUGETLB_PAGE=y CONFIG_RAMFS=y # CONFIG_RELAYFS_FS is not set +# CONFIG_CONFIGFS_FS is not set # # Miscellaneous filesystems @@ -1449,6 +1414,7 @@ CONFIG_MSDOS_PARTITION=y # CONFIG_SGI_PARTITION is not set # CONFIG_ULTRIX_PARTITION is not set # CONFIG_SUN_PARTITION is not set +# CONFIG_KARMA_PARTITION is not set # CONFIG_EFI_PARTITION is not set # @@ -1504,10 +1470,6 @@ CONFIG_CRC32=y CONFIG_LIBCRC32C=m CONFIG_ZLIB_INFLATE=y CONFIG_ZLIB_DEFLATE=m -CONFIG_TEXTSEARCH=y -CONFIG_TEXTSEARCH_KMP=m -CONFIG_TEXTSEARCH_BM=m -CONFIG_TEXTSEARCH_FSM=m # # Instrumentation Support @@ -1520,18 +1482,20 @@ CONFIG_OPROFILE=y # Kernel hacking # # CONFIG_PRINTK_TIME is not set -CONFIG_DEBUG_KERNEL=y CONFIG_MAGIC_SYSRQ=y +CONFIG_DEBUG_KERNEL=y CONFIG_LOG_BUF_SHIFT=17 CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_SCHEDSTATS is not set # CONFIG_DEBUG_SLAB is not set +CONFIG_DEBUG_MUTEXES=y # CONFIG_DEBUG_SPINLOCK is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_KOBJECT is not set # CONFIG_DEBUG_INFO is not set CONFIG_DEBUG_FS=y # CONFIG_DEBUG_VM is not set +CONFIG_FORCED_INLINING=y # CONFIG_RCU_TORTURE_TEST is not set CONFIG_DEBUG_STACKOVERFLOW=y CONFIG_DEBUG_STACK_USAGE=y @@ -1540,6 +1504,11 @@ CONFIG_XMON=y # CONFIG_XMON_DEFAULT is not set CONFIG_IRQSTACKS=y CONFIG_BOOTX_TEXT=y +# CONFIG_PPC_EARLY_DEBUG_LPAR is not set +# CONFIG_PPC_EARLY_DEBUG_G5 is not set +# CONFIG_PPC_EARLY_DEBUG_RTAS is not set +# CONFIG_PPC_EARLY_DEBUG_MAPLE is not set +# CONFIG_PPC_EARLY_DEBUG_ISERIES is not set # # Security options diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig index aa9893a1f6e8..daaf038a1faa 100644 --- a/arch/powerpc/configs/pseries_defconfig +++ b/arch/powerpc/configs/pseries_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.15-rc5 -# Tue Dec 20 15:59:40 2005 +# Linux kernel version: 2.6.16-rc2 +# Fri Feb 10 17:33:32 2006 # CONFIG_PPC64=y CONFIG_64BIT=y @@ -16,6 +16,10 @@ CONFIG_COMPAT=y CONFIG_SYSVIPC_COMPAT=y CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_PPC_OF=y +CONFIG_PPC_UDBG_16550=y +# CONFIG_GENERIC_TBSYNC is not set +# CONFIG_DEFAULT_UIMAGE is not set # # Processor support @@ -33,7 +37,6 @@ CONFIG_NR_CPUS=128 # Code maturity level options # CONFIG_EXPERIMENTAL=y -CONFIG_CLEAN_COMPILE=y CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 @@ -49,8 +52,6 @@ CONFIG_POSIX_MQUEUE=y CONFIG_SYSCTL=y CONFIG_AUDIT=y CONFIG_AUDITSYSCALL=y -CONFIG_HOTPLUG=y -CONFIG_KOBJECT_UEVENT=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_CPUSETS=y @@ -60,8 +61,10 @@ CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y # CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y +CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y @@ -70,8 +73,10 @@ CONFIG_CC_ALIGN_FUNCTIONS=0 CONFIG_CC_ALIGN_LABELS=0 CONFIG_CC_ALIGN_LOOPS=0 CONFIG_CC_ALIGN_JUMPS=0 +CONFIG_SLAB=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 +# CONFIG_SLOB is not set # # Loadable module support @@ -113,7 +118,6 @@ CONFIG_PPC_PSERIES=y # CONFIG_PPC_PMAC is not set # CONFIG_PPC_MAPLE is not set # CONFIG_PPC_CELL is not set -CONFIG_PPC_OF=y CONFIG_XICS=y # CONFIG_U3_DART is not set CONFIG_MPIC=y @@ -123,8 +127,8 @@ CONFIG_RTAS_PROC=y CONFIG_RTAS_FLASH=m # CONFIG_MMIO_NVRAM is not set CONFIG_IBMVIO=y +# CONFIG_IBMEBUS is not set # CONFIG_PPC_MPC106 is not set -# CONFIG_GENERIC_TBSYNC is not set # CONFIG_CPU_FREQ is not set # CONFIG_WANT_EARLY_SERIAL is not set @@ -145,6 +149,7 @@ CONFIG_FORCE_MAX_ZONEORDER=13 CONFIG_IOMMU_VMERGE=y CONFIG_HOTPLUG_CPU=y CONFIG_KEXEC=y +# CONFIG_CRASH_DUMP is not set CONFIG_IRQ_ALL_CPUS=y CONFIG_PPC_SPLPAR=y CONFIG_EEH=y @@ -165,6 +170,7 @@ CONFIG_HAVE_MEMORY_PRESENT=y CONFIG_SPARSEMEM_EXTREME=y # CONFIG_MEMORY_HOTPLUG is not set CONFIG_SPLIT_PTLOCK_CPUS=4 +CONFIG_MIGRATION=y CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y # CONFIG_PPC_64K_PAGES is not set CONFIG_SCHED_SMT=y @@ -209,6 +215,7 @@ CONFIG_NET=y # # Networking options # +# CONFIG_NETDEBUG is not set CONFIG_PACKET=y # CONFIG_PACKET_MMAP is not set CONFIG_UNIX=y @@ -248,6 +255,7 @@ CONFIG_NETFILTER=y CONFIG_NETFILTER_NETLINK=y CONFIG_NETFILTER_NETLINK_QUEUE=m CONFIG_NETFILTER_NETLINK_LOG=m +# CONFIG_NETFILTER_XTABLES is not set # # IP: Netfilter Configuration @@ -265,65 +273,6 @@ CONFIG_IP_NF_TFTP=m CONFIG_IP_NF_AMANDA=m # CONFIG_IP_NF_PPTP is not set CONFIG_IP_NF_QUEUE=m -CONFIG_IP_NF_IPTABLES=m -CONFIG_IP_NF_MATCH_LIMIT=m -CONFIG_IP_NF_MATCH_IPRANGE=m -CONFIG_IP_NF_MATCH_MAC=m -CONFIG_IP_NF_MATCH_PKTTYPE=m -CONFIG_IP_NF_MATCH_MARK=m -CONFIG_IP_NF_MATCH_MULTIPORT=m -CONFIG_IP_NF_MATCH_TOS=m -CONFIG_IP_NF_MATCH_RECENT=m -CONFIG_IP_NF_MATCH_ECN=m -CONFIG_IP_NF_MATCH_DSCP=m -CONFIG_IP_NF_MATCH_AH_ESP=m -CONFIG_IP_NF_MATCH_LENGTH=m -CONFIG_IP_NF_MATCH_TTL=m -CONFIG_IP_NF_MATCH_TCPMSS=m -CONFIG_IP_NF_MATCH_HELPER=m -CONFIG_IP_NF_MATCH_STATE=m -CONFIG_IP_NF_MATCH_CONNTRACK=m -CONFIG_IP_NF_MATCH_OWNER=m -CONFIG_IP_NF_MATCH_ADDRTYPE=m -CONFIG_IP_NF_MATCH_REALM=m -CONFIG_IP_NF_MATCH_SCTP=m -# CONFIG_IP_NF_MATCH_DCCP is not set -CONFIG_IP_NF_MATCH_COMMENT=m -CONFIG_IP_NF_MATCH_CONNMARK=m -CONFIG_IP_NF_MATCH_CONNBYTES=m -CONFIG_IP_NF_MATCH_HASHLIMIT=m -CONFIG_IP_NF_MATCH_STRING=m -CONFIG_IP_NF_FILTER=m -CONFIG_IP_NF_TARGET_REJECT=m -CONFIG_IP_NF_TARGET_LOG=m -CONFIG_IP_NF_TARGET_ULOG=m -CONFIG_IP_NF_TARGET_TCPMSS=m -CONFIG_IP_NF_TARGET_NFQUEUE=m -CONFIG_IP_NF_NAT=m -CONFIG_IP_NF_NAT_NEEDED=y -CONFIG_IP_NF_TARGET_MASQUERADE=m -CONFIG_IP_NF_TARGET_REDIRECT=m -CONFIG_IP_NF_TARGET_NETMAP=m -CONFIG_IP_NF_TARGET_SAME=m -CONFIG_IP_NF_NAT_SNMP_BASIC=m -CONFIG_IP_NF_NAT_IRC=m -CONFIG_IP_NF_NAT_FTP=m -CONFIG_IP_NF_NAT_TFTP=m -CONFIG_IP_NF_NAT_AMANDA=m -CONFIG_IP_NF_MANGLE=m -CONFIG_IP_NF_TARGET_TOS=m -CONFIG_IP_NF_TARGET_ECN=m -CONFIG_IP_NF_TARGET_DSCP=m -CONFIG_IP_NF_TARGET_MARK=m -CONFIG_IP_NF_TARGET_CLASSIFY=m -CONFIG_IP_NF_TARGET_TTL=m -CONFIG_IP_NF_TARGET_CONNMARK=m -CONFIG_IP_NF_TARGET_CLUSTERIP=m -CONFIG_IP_NF_RAW=m -CONFIG_IP_NF_TARGET_NOTRACK=m -CONFIG_IP_NF_ARPTABLES=m -CONFIG_IP_NF_ARPFILTER=m -CONFIG_IP_NF_ARP_MANGLE=m # # DCCP Configuration (EXPERIMENTAL) @@ -334,6 +283,11 @@ CONFIG_IP_NF_ARP_MANGLE=m # SCTP Configuration (EXPERIMENTAL) # # CONFIG_IP_SCTP is not set + +# +# TIPC Configuration (EXPERIMENTAL) +# +# CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_BRIDGE is not set # CONFIG_VLAN_8021Q is not set @@ -352,7 +306,6 @@ CONFIG_LLC=y # QoS and/or fair queueing # # CONFIG_NET_SCHED is not set -CONFIG_NET_CLS_ROUTE=y # # Network testing @@ -550,13 +503,7 @@ CONFIG_SCSI_IPR_TRACE=y CONFIG_SCSI_IPR_DUMP=y # CONFIG_SCSI_QLOGIC_FC is not set # CONFIG_SCSI_QLOGIC_1280 is not set -CONFIG_SCSI_QLA2XXX=y -CONFIG_SCSI_QLA21XX=m -CONFIG_SCSI_QLA22XX=m -CONFIG_SCSI_QLA2300=m -CONFIG_SCSI_QLA2322=m -CONFIG_SCSI_QLA6312=m -CONFIG_SCSI_QLA24XX=m +# CONFIG_SCSI_QLA_FC is not set CONFIG_SCSI_LPFC=m # CONFIG_SCSI_DC395x is not set # CONFIG_SCSI_DC390T is not set @@ -678,6 +625,7 @@ CONFIG_E1000=y # CONFIG_R8169 is not set # CONFIG_SIS190 is not set # CONFIG_SKGE is not set +# CONFIG_SKY2 is not set # CONFIG_SK98LIN is not set # CONFIG_VIA_VELOCITY is not set CONFIG_TIGON3=y @@ -803,6 +751,7 @@ CONFIG_HW_CONSOLE=y CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_SERIAL_8250_NR_UARTS=4 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 # CONFIG_SERIAL_8250_EXTENDED is not set # @@ -909,6 +858,12 @@ CONFIG_I2C_ALGOBIT=y # CONFIG_I2C_DEBUG_CHIP is not set # +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# # Dallas's 1-wire bus # # CONFIG_W1 is not set @@ -976,7 +931,6 @@ CONFIG_FB_RADEON_I2C=y # CONFIG_FB_KYRO is not set # CONFIG_FB_3DFX is not set # CONFIG_FB_VOODOO1 is not set -# CONFIG_FB_CYBLA is not set # CONFIG_FB_TRIDENT is not set # CONFIG_FB_VIRTUAL is not set @@ -1061,12 +1015,15 @@ CONFIG_USB_STORAGE=y # CONFIG_USB_STORAGE_SDDR09 is not set # CONFIG_USB_STORAGE_SDDR55 is not set # CONFIG_USB_STORAGE_JUMPSHOT is not set +# CONFIG_USB_STORAGE_ALAUDA is not set +# CONFIG_USB_LIBUSUAL is not set # # USB Input Devices # CONFIG_USB_HID=y CONFIG_USB_HIDINPUT=y +# CONFIG_USB_HIDINPUT_POWERBOOK is not set # CONFIG_HID_FF is not set CONFIG_USB_HIDDEV=y # CONFIG_USB_AIPTEK is not set @@ -1080,6 +1037,7 @@ CONFIG_USB_HIDDEV=y # CONFIG_USB_YEALINK is not set # CONFIG_USB_XPAD is not set # CONFIG_USB_ATI_REMOTE is not set +# CONFIG_USB_ATI_REMOTE2 is not set # CONFIG_USB_KEYSPAN_REMOTE is not set # CONFIG_USB_APPLETOUCH is not set @@ -1167,6 +1125,10 @@ CONFIG_INFINIBAND_IPOIB=m # # +# EDAC - error detection and reporting (RAS) +# + +# # File systems # CONFIG_EXT2_FS=y @@ -1200,6 +1162,7 @@ CONFIG_XFS_EXPORT=y CONFIG_XFS_SECURITY=y CONFIG_XFS_POSIX_ACL=y # CONFIG_XFS_RT is not set +# CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set CONFIG_INOTIFY=y @@ -1240,6 +1203,7 @@ CONFIG_HUGETLBFS=y CONFIG_HUGETLB_PAGE=y CONFIG_RAMFS=y # CONFIG_RELAYFS_FS is not set +# CONFIG_CONFIGFS_FS is not set # # Miscellaneous filesystems @@ -1351,10 +1315,6 @@ CONFIG_CRC32=y CONFIG_LIBCRC32C=m CONFIG_ZLIB_INFLATE=y CONFIG_ZLIB_DEFLATE=m -CONFIG_TEXTSEARCH=y -CONFIG_TEXTSEARCH_KMP=m -CONFIG_TEXTSEARCH_BM=m -CONFIG_TEXTSEARCH_FSM=m # # Instrumentation Support @@ -1367,18 +1327,20 @@ CONFIG_OPROFILE=y # Kernel hacking # # CONFIG_PRINTK_TIME is not set -CONFIG_DEBUG_KERNEL=y CONFIG_MAGIC_SYSRQ=y +CONFIG_DEBUG_KERNEL=y CONFIG_LOG_BUF_SHIFT=17 CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_SCHEDSTATS is not set # CONFIG_DEBUG_SLAB is not set +CONFIG_DEBUG_MUTEXES=y # CONFIG_DEBUG_SPINLOCK is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_KOBJECT is not set # CONFIG_DEBUG_INFO is not set CONFIG_DEBUG_FS=y # CONFIG_DEBUG_VM is not set +CONFIG_FORCED_INLINING=y # CONFIG_RCU_TORTURE_TEST is not set CONFIG_DEBUG_STACKOVERFLOW=y CONFIG_DEBUG_STACK_USAGE=y @@ -1387,6 +1349,11 @@ CONFIG_XMON=y CONFIG_XMON_DEFAULT=y CONFIG_IRQSTACKS=y # CONFIG_BOOTX_TEXT is not set +# CONFIG_PPC_EARLY_DEBUG_LPAR is not set +# CONFIG_PPC_EARLY_DEBUG_G5 is not set +# CONFIG_PPC_EARLY_DEBUG_RTAS is not set +# CONFIG_PPC_EARLY_DEBUG_MAPLE is not set +# CONFIG_PPC_EARLY_DEBUG_ISERIES is not set # # Security options diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c index 8c21d378f5d2..778f22fd85d2 100644 --- a/arch/powerpc/kernel/crash.c +++ b/arch/powerpc/kernel/crash.c @@ -134,8 +134,10 @@ static void crash_kexec_prepare_cpus(void) * the crash CPU will send an IPI and wait for other CPUs to * respond. If not, proceed the kexec boot even though we failed to * capture other CPU states. + * Delay of at least 10 seconds. */ - msecs = 1000000; + printk(KERN_ALERT "Sending IPI to other cpus...\n"); + msecs = 10000; while ((atomic_read(&waiting_for_crash_ipi) > 0) && (--msecs > 0)) { barrier(); mdelay(1); diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index 03b25f9359f8..a0579e859b21 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S @@ -714,6 +714,7 @@ AltiVecUnavailable: #ifdef CONFIG_ALTIVEC bne load_up_altivec /* if from user, just load it up */ #endif /* CONFIG_ALTIVEC */ + addi r3,r1,STACK_FRAME_OVERHEAD EXC_XFER_EE_LITE(0xf20, altivec_unavailable_exception) PerformanceMonitor: diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 415659629394..11f2cd5af7dc 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -139,7 +139,7 @@ _GLOBAL(__secondary_hold) ori r24,r24,MSR_RI mtmsrd r24 /* RI on */ - /* Grab our linux cpu number */ + /* Grab our physical cpu number */ mr r24,r3 /* Tell the master cpu we're here */ @@ -153,12 +153,7 @@ _GLOBAL(__secondary_hold) cmpdi 0,r4,1 bne 100b -#ifdef CONFIG_HMT - SET_REG_IMMEDIATE(r4, .hmt_init) - mtctr r4 - bctr -#else -#ifdef CONFIG_SMP +#if defined(CONFIG_SMP) || defined(CONFIG_KEXEC) LOAD_REG_IMMEDIATE(r4, .pSeries_secondary_smp_init) mtctr r4 mr r3,r24 @@ -166,7 +161,6 @@ _GLOBAL(__secondary_hold) #else BUG_OPCODE #endif -#endif /* This value is used to mark exception frames on the stack. */ .section ".toc","aw" @@ -321,7 +315,6 @@ exception_marker: label##_pSeries: \ HMT_MEDIUM; \ mtspr SPRN_SPRG1,r13; /* save r13 */ \ - RUNLATCH_ON(r13); \ EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common) #define STD_EXCEPTION_ISERIES(n, label, area) \ @@ -329,7 +322,6 @@ label##_pSeries: \ label##_iSeries: \ HMT_MEDIUM; \ mtspr SPRN_SPRG1,r13; /* save r13 */ \ - RUNLATCH_ON(r13); \ EXCEPTION_PROLOG_ISERIES_1(area); \ EXCEPTION_PROLOG_ISERIES_2; \ b label##_common @@ -339,7 +331,6 @@ label##_iSeries: \ label##_iSeries: \ HMT_MEDIUM; \ mtspr SPRN_SPRG1,r13; /* save r13 */ \ - RUNLATCH_ON(r13); \ EXCEPTION_PROLOG_ISERIES_1(PACA_EXGEN); \ lbz r10,PACAPROCENABLED(r13); \ cmpwi 0,r10,0; \ @@ -392,6 +383,7 @@ label##_common: \ label##_common: \ EXCEPTION_PROLOG_COMMON(trap, PACA_EXGEN); \ DISABLE_INTS; \ + bl .ppc64_runlatch_on; \ addi r3,r1,STACK_FRAME_OVERHEAD; \ bl hdlr; \ b .ret_from_except_lite @@ -409,7 +401,6 @@ __start_interrupts: _machine_check_pSeries: HMT_MEDIUM mtspr SPRN_SPRG1,r13 /* save r13 */ - RUNLATCH_ON(r13) EXCEPTION_PROLOG_PSERIES(PACA_EXMC, machine_check_common) . = 0x300 @@ -436,7 +427,6 @@ END_FTR_SECTION_IFCLR(CPU_FTR_SLB) data_access_slb_pSeries: HMT_MEDIUM mtspr SPRN_SPRG1,r13 - RUNLATCH_ON(r13) mfspr r13,SPRN_SPRG3 /* get paca address into r13 */ std r3,PACA_EXSLB+EX_R3(r13) mfspr r3,SPRN_DAR @@ -462,7 +452,6 @@ data_access_slb_pSeries: instruction_access_slb_pSeries: HMT_MEDIUM mtspr SPRN_SPRG1,r13 - RUNLATCH_ON(r13) mfspr r13,SPRN_SPRG3 /* get paca address into r13 */ std r3,PACA_EXSLB+EX_R3(r13) mfspr r3,SPRN_SRR0 /* SRR0 is faulting address */ @@ -493,7 +482,6 @@ instruction_access_slb_pSeries: .globl system_call_pSeries system_call_pSeries: HMT_MEDIUM - RUNLATCH_ON(r9) mr r9,r13 mfmsr r10 mfspr r13,SPRN_SPRG3 @@ -577,7 +565,6 @@ slb_miss_user_pseries: system_reset_fwnmi: HMT_MEDIUM mtspr SPRN_SPRG1,r13 /* save r13 */ - RUNLATCH_ON(r13) EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, system_reset_common) .globl machine_check_fwnmi @@ -585,7 +572,6 @@ system_reset_fwnmi: machine_check_fwnmi: HMT_MEDIUM mtspr SPRN_SPRG1,r13 /* save r13 */ - RUNLATCH_ON(r13) EXCEPTION_PROLOG_PSERIES(PACA_EXMC, machine_check_common) #ifdef CONFIG_PPC_ISERIES @@ -896,7 +882,6 @@ unrecov_fer: .align 7 .globl data_access_common data_access_common: - RUNLATCH_ON(r10) /* It wont fit in the 0x300 handler */ mfspr r10,SPRN_DAR std r10,PACA_EXGEN+EX_DAR(r13) mfspr r10,SPRN_DSISR @@ -1044,6 +1029,7 @@ hardware_interrupt_common: EXCEPTION_PROLOG_COMMON(0x500, PACA_EXGEN) hardware_interrupt_entry: DISABLE_INTS + bl .ppc64_runlatch_on addi r3,r1,STACK_FRAME_OVERHEAD bl .do_IRQ b .ret_from_except_lite @@ -1818,22 +1804,6 @@ _STATIC(start_here_multiplatform) ori r6,r6,MSR_RI mtmsrd r6 /* RI on */ -#ifdef CONFIG_HMT - /* Start up the second thread on cpu 0 */ - mfspr r3,SPRN_PVR - srwi r3,r3,16 - cmpwi r3,0x34 /* Pulsar */ - beq 90f - cmpwi r3,0x36 /* Icestar */ - beq 90f - cmpwi r3,0x37 /* SStar */ - beq 90f - b 91f /* HMT not supported */ -90: li r3,0 - bl .hmt_start_secondary -91: -#endif - /* The following gets the stack and TOC set up with the regs */ /* pointing to the real addr of the kernel stack. This is */ /* all done to support the C function call below which sets */ @@ -1947,77 +1917,8 @@ _STATIC(start_here_common) bl .start_kernel -_GLOBAL(hmt_init) -#ifdef CONFIG_HMT - LOAD_REG_IMMEDIATE(r5, hmt_thread_data) - mfspr r7,SPRN_PVR - srwi r7,r7,16 - cmpwi r7,0x34 /* Pulsar */ - beq 90f - cmpwi r7,0x36 /* Icestar */ - beq 91f - cmpwi r7,0x37 /* SStar */ - beq 91f - b 101f -90: mfspr r6,SPRN_PIR - andi. r6,r6,0x1f - b 92f -91: mfspr r6,SPRN_PIR - andi. r6,r6,0x3ff -92: sldi r4,r24,3 - stwx r6,r5,r4 - bl .hmt_start_secondary - b 101f - -__hmt_secondary_hold: - LOAD_REG_IMMEDIATE(r5, hmt_thread_data) - clrldi r5,r5,4 - li r7,0 - mfspr r6,SPRN_PIR - mfspr r8,SPRN_PVR - srwi r8,r8,16 - cmpwi r8,0x34 - bne 93f - andi. r6,r6,0x1f - b 103f -93: andi. r6,r6,0x3f - -103: lwzx r8,r5,r7 - cmpw r8,r6 - beq 104f - addi r7,r7,8 - b 103b - -104: addi r7,r7,4 - lwzx r9,r5,r7 - mr r24,r9 -101: -#endif - mr r3,r24 - b .pSeries_secondary_smp_init - -#ifdef CONFIG_HMT -_GLOBAL(hmt_start_secondary) - LOAD_REG_IMMEDIATE(r4,__hmt_secondary_hold) - clrldi r4,r4,4 - mtspr SPRN_NIADORM, r4 - mfspr r4, SPRN_MSRDORM - li r5, -65 - and r4, r4, r5 - mtspr SPRN_MSRDORM, r4 - lis r4,0xffef - ori r4,r4,0x7403 - mtspr SPRN_TSC, r4 - li r4,0x1f4 - mtspr SPRN_TST, r4 - mfspr r4, SPRN_HID0 - ori r4, r4, 0x1 - mtspr SPRN_HID0, r4 - mfspr r4, SPRN_CTRLF - oris r4, r4, 0x40 - mtspr SPRN_CTRLT, r4 - blr -#endif + /* Not reached */ + BUG_OPCODE /* * We put a few things here that have to be page-aligned. diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c index 1ae96a8ed7e2..e789fef4eb8a 100644 --- a/arch/powerpc/kernel/lparcfg.c +++ b/arch/powerpc/kernel/lparcfg.c @@ -341,7 +341,7 @@ static int lparcfg_data(struct seq_file *m, void *v) const char *system_id = ""; unsigned int *lp_index_ptr, lp_index = 0; struct device_node *rtas_node; - int *lrdrp; + int *lrdrp = NULL; rootdn = find_path_device("/"); if (rootdn) { @@ -362,7 +362,9 @@ static int lparcfg_data(struct seq_file *m, void *v) seq_printf(m, "partition_id=%d\n", (int)lp_index); rtas_node = find_path_device("/rtas"); - lrdrp = (int *)get_property(rtas_node, "ibm,lrdr-capacity", NULL); + if (rtas_node) + lrdrp = (int *)get_property(rtas_node, "ibm,lrdr-capacity", + NULL); if (lrdrp == NULL) { partition_potential_processors = vdso_data->processorCount; diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c index d6431440c54f..ee166c586642 100644 --- a/arch/powerpc/kernel/machine_kexec_64.c +++ b/arch/powerpc/kernel/machine_kexec_64.c @@ -26,8 +26,6 @@ #include <asm/prom.h> #include <asm/smp.h> -#define HASH_GROUP_SIZE 0x80 /* size of each hash group, asm/mmu.h */ - int default_machine_kexec_prepare(struct kimage *image) { int i; @@ -61,7 +59,7 @@ int default_machine_kexec_prepare(struct kimage *image) */ if (htab_address) { low = __pa(htab_address); - high = low + (htab_hash_mask + 1) * HASH_GROUP_SIZE; + high = low + htab_size_bytes; for (i = 0; i < image->nr_segments; i++) { begin = image->segment[i].mem; @@ -294,7 +292,7 @@ void default_machine_kexec(struct kimage *image) } /* Values we need to export to the second kernel via the device tree. */ -static unsigned long htab_base, htab_size, kernel_end; +static unsigned long htab_base, kernel_end; static struct property htab_base_prop = { .name = "linux,htab-base", @@ -305,7 +303,7 @@ static struct property htab_base_prop = { static struct property htab_size_prop = { .name = "linux,htab-size", .length = sizeof(unsigned long), - .value = (unsigned char *)&htab_size, + .value = (unsigned char *)&htab_size_bytes, }; static struct property kernel_end_prop = { @@ -331,8 +329,6 @@ static void __init export_htab_values(void) htab_base = __pa(htab_address); prom_add_property(node, &htab_base_prop); - - htab_size = 1UL << ppc64_pft_size; prom_add_property(node, &htab_size_prop); out: diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c index d9a459c144d8..8a731ea877b7 100644 --- a/arch/powerpc/kernel/ppc_ksyms.c +++ b/arch/powerpc/kernel/ppc_ksyms.c @@ -79,15 +79,8 @@ EXPORT_SYMBOL(sys_sigreturn); EXPORT_SYMBOL(strcpy); EXPORT_SYMBOL(strncpy); EXPORT_SYMBOL(strcat); -EXPORT_SYMBOL(strncat); -EXPORT_SYMBOL(strchr); -EXPORT_SYMBOL(strrchr); -EXPORT_SYMBOL(strpbrk); -EXPORT_SYMBOL(strstr); EXPORT_SYMBOL(strlen); -EXPORT_SYMBOL(strnlen); EXPORT_SYMBOL(strcmp); -EXPORT_SYMBOL(strncmp); EXPORT_SYMBOL(strcasecmp); EXPORT_SYMBOL(csum_partial); @@ -185,9 +178,6 @@ EXPORT_SYMBOL(adb_try_handler_change); EXPORT_SYMBOL(cuda_request); EXPORT_SYMBOL(cuda_poll); #endif /* CONFIG_ADB_CUDA */ -#ifdef CONFIG_PPC_PMAC -EXPORT_SYMBOL(sys_ctrler); -#endif #ifdef CONFIG_VT EXPORT_SYMBOL(kd_mksound); #endif @@ -205,7 +195,6 @@ EXPORT_SYMBOL(__lshrdi3); EXPORT_SYMBOL(memcpy); EXPORT_SYMBOL(memset); EXPORT_SYMBOL(memmove); -EXPORT_SYMBOL(memscan); EXPORT_SYMBOL(memcmp); EXPORT_SYMBOL(memchr); @@ -214,7 +203,6 @@ EXPORT_SYMBOL(screen_info); #endif #ifdef CONFIG_PPC32 -EXPORT_SYMBOL(__delay); EXPORT_SYMBOL(timer_interrupt); EXPORT_SYMBOL(irq_desc); EXPORT_SYMBOL(tb_ticks_per_jiffy); @@ -222,10 +210,6 @@ EXPORT_SYMBOL(console_drivers); EXPORT_SYMBOL(cacheable_memcpy); #endif -EXPORT_SYMBOL(__up); -EXPORT_SYMBOL(__down); -EXPORT_SYMBOL(__down_interruptible); - #ifdef CONFIG_8xx EXPORT_SYMBOL(cpm_install_handler); EXPORT_SYMBOL(cpm_free_handler); diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 57703994a063..c225cf154bfe 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -888,3 +888,35 @@ void dump_stack(void) show_stack(current, NULL); } EXPORT_SYMBOL(dump_stack); + +#ifdef CONFIG_PPC64 +void ppc64_runlatch_on(void) +{ + unsigned long ctrl; + + if (cpu_has_feature(CPU_FTR_CTRL) && !test_thread_flag(TIF_RUNLATCH)) { + HMT_medium(); + + ctrl = mfspr(SPRN_CTRLF); + ctrl |= CTRL_RUNLATCH; + mtspr(SPRN_CTRLT, ctrl); + + set_thread_flag(TIF_RUNLATCH); + } +} + +void ppc64_runlatch_off(void) +{ + unsigned long ctrl; + + if (cpu_has_feature(CPU_FTR_CTRL) && test_thread_flag(TIF_RUNLATCH)) { + HMT_medium(); + + clear_thread_flag(TIF_RUNLATCH); + + ctrl = mfspr(SPRN_CTRLF); + ctrl &= ~CTRL_RUNLATCH; + mtspr(SPRN_CTRLT, ctrl); + } +} +#endif diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 294832a7e0a6..6dbd21726770 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -816,8 +816,6 @@ void __init unflatten_device_tree(void) { unsigned long start, mem, size; struct device_node **allnextp = &allnodes; - char *p = NULL; - int l = 0; DBG(" -> unflatten_device_tree()\n"); @@ -857,19 +855,6 @@ void __init unflatten_device_tree(void) if (of_chosen == NULL) of_chosen = of_find_node_by_path("/chosen@0"); - /* Retreive command line */ - if (of_chosen != NULL) { - p = (char *)get_property(of_chosen, "bootargs", &l); - if (p != NULL && l > 0) - strlcpy(cmd_line, p, min(l, COMMAND_LINE_SIZE)); - } -#ifdef CONFIG_CMDLINE - if (l == 0 || (l == 1 && (*p) == 0)) - strlcpy(cmd_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE); -#endif /* CONFIG_CMDLINE */ - - DBG("Command line is: %s\n", cmd_line); - DBG(" <- unflatten_device_tree()\n"); } @@ -940,6 +925,8 @@ static int __init early_init_dt_scan_chosen(unsigned long node, { u32 *prop; unsigned long *lprop; + unsigned long l; + char *p; DBG("search \"chosen\", depth: %d, uname: %s\n", depth, uname); @@ -1004,6 +991,41 @@ static int __init early_init_dt_scan_chosen(unsigned long node, crashk_res.end = crashk_res.start + *lprop - 1; #endif + /* Retreive command line */ + p = of_get_flat_dt_prop(node, "bootargs", &l); + if (p != NULL && l > 0) + strlcpy(cmd_line, p, min((int)l, COMMAND_LINE_SIZE)); + +#ifdef CONFIG_CMDLINE + if (l == 0 || (l == 1 && (*p) == 0)) + strlcpy(cmd_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE); +#endif /* CONFIG_CMDLINE */ + + DBG("Command line is: %s\n", cmd_line); + + if (strstr(cmd_line, "mem=")) { + char *p, *q; + unsigned long maxmem = 0; + + for (q = cmd_line; (p = strstr(q, "mem=")) != 0; ) { + q = p + 4; + if (p > cmd_line && p[-1] != ' ') + continue; + maxmem = simple_strtoul(q, &q, 0); + if (*q == 'k' || *q == 'K') { + maxmem <<= 10; + ++q; + } else if (*q == 'm' || *q == 'M') { + maxmem <<= 20; + ++q; + } else if (*q == 'g' || *q == 'G') { + maxmem <<= 30; + ++q; + } + } + memory_limit = maxmem; + } + /* break now */ return 1; } @@ -1124,7 +1146,7 @@ static void __init early_reserve_mem(void) size_32 = *(reserve_map_32++); if (size_32 == 0) break; - DBG("reserving: %lx -> %lx\n", base_32, size_32); + DBG("reserving: %x -> %x\n", base_32, size_32); lmb_reserve(base_32, size_32); } return; diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index ec7153f4d47c..d34fe537400e 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -205,14 +205,6 @@ static cell_t __initdata regbuf[1024]; #define MAX_CPU_THREADS 2 -/* TO GO */ -#ifdef CONFIG_HMT -struct { - unsigned int pir; - unsigned int threadid; -} hmt_thread_data[NR_CPUS]; -#endif /* CONFIG_HMT */ - /* * Error results ... some OF calls will return "-1" on error, some * will return 0, some will return either. To simplify, here are @@ -1319,10 +1311,6 @@ static void __init prom_hold_cpus(void) */ *spinloop = 0; -#ifdef CONFIG_HMT - for (i = 0; i < NR_CPUS; i++) - RELOC(hmt_thread_data)[i].pir = 0xdeadbeef; -#endif /* look for cpus */ for (node = 0; prom_next_node(&node); ) { type[0] = 0; @@ -1389,32 +1377,6 @@ static void __init prom_hold_cpus(void) /* Reserve cpu #s for secondary threads. They start later. */ cpuid += cpu_threads; } -#ifdef CONFIG_HMT - /* Only enable HMT on processors that provide support. */ - if (__is_processor(PV_PULSAR) || - __is_processor(PV_ICESTAR) || - __is_processor(PV_SSTAR)) { - prom_printf(" starting secondary threads\n"); - - for (i = 0; i < NR_CPUS; i += 2) { - if (!cpu_online(i)) - continue; - - if (i == 0) { - unsigned long pir = mfspr(SPRN_PIR); - if (__is_processor(PV_PULSAR)) { - RELOC(hmt_thread_data)[i].pir = - pir & 0x1f; - } else { - RELOC(hmt_thread_data)[i].pir = - pir & 0x3ff; - } - } - } - } else { - prom_printf("Processor is not HMT capable\n"); - } -#endif if (cpuid > NR_CPUS) prom_printf("WARNING: maximum CPUs (" __stringify(NR_CPUS) diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index a717dff695ef..f96c49b03ba0 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -311,8 +311,6 @@ void smp_release_cpus(void) DBG(" <- smp_release_cpus()\n"); } -#else -#define smp_release_cpus() #endif /* CONFIG_SMP || CONFIG_KEXEC */ /* @@ -473,10 +471,12 @@ void __init setup_system(void) check_smt_enabled(); smp_setup_cpu_maps(); +#ifdef CONFIG_SMP /* Release secondary cpus out of their spinloops at 0x60 now that * we can map physical -> logical CPU ids */ smp_release_cpus(); +#endif printk("Starting Linux PPC64 %s\n", system_utsname.version); diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c index 475249dc2350..cd75ab2908fa 100644 --- a/arch/powerpc/kernel/sys_ppc32.c +++ b/arch/powerpc/kernel/sys_ppc32.c @@ -176,7 +176,6 @@ struct timex32 { }; extern int do_adjtimex(struct timex *); -extern void ppc_adjtimex(void); asmlinkage long compat_sys_adjtimex(struct timex32 __user *utp) { @@ -209,9 +208,6 @@ asmlinkage long compat_sys_adjtimex(struct timex32 __user *utp) ret = do_adjtimex(&txc); - /* adjust the conversion of TB to time of day to track adjtimex */ - ppc_adjtimex(); - if(put_user(txc.modes, &utp->modes) || __put_user(txc.offset, &utp->offset) || __put_user(txc.freq, &utp->freq) || diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 1886045a2fd8..2a7ddc579379 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -50,6 +50,7 @@ #include <linux/security.h> #include <linux/percpu.h> #include <linux/rtc.h> +#include <linux/jiffies.h> #include <asm/io.h> #include <asm/processor.h> @@ -99,7 +100,15 @@ EXPORT_SYMBOL(tb_ticks_per_usec); unsigned long tb_ticks_per_sec; u64 tb_to_xs; unsigned tb_to_us; -unsigned long processor_freq; + +#define TICKLEN_SCALE (SHIFT_SCALE - 10) +u64 last_tick_len; /* units are ns / 2^TICKLEN_SCALE */ +u64 ticklen_to_xs; /* 0.64 fraction */ + +/* If last_tick_len corresponds to about 1/HZ seconds, then + last_tick_len << TICKLEN_SHIFT will be about 2^63. */ +#define TICKLEN_SHIFT (63 - 30 - TICKLEN_SCALE + SHIFT_HZ) + DEFINE_SPINLOCK(rtc_lock); EXPORT_SYMBOL_GPL(rtc_lock); @@ -113,10 +122,6 @@ extern unsigned long wall_jiffies; extern struct timezone sys_tz; static long timezone_offset; -void ppc_adjtimex(void); - -static unsigned adjusting_time = 0; - unsigned long ppc_proc_freq; unsigned long ppc_tb_freq; @@ -178,8 +183,7 @@ static __inline__ void timer_check_rtc(void) */ if (ppc_md.set_rtc_time && ntp_synced() && xtime.tv_sec - last_rtc_update >= 659 && - abs((xtime.tv_nsec/1000) - (1000000-1000000/HZ)) < 500000/HZ && - jiffies - wall_jiffies == 1) { + abs((xtime.tv_nsec/1000) - (1000000-1000000/HZ)) < 500000/HZ) { struct rtc_time tm; to_tm(xtime.tv_sec + 1 + timezone_offset, &tm); tm.tm_year -= 1900; @@ -226,15 +230,14 @@ void do_gettimeofday(struct timeval *tv) if (__USE_RTC()) { /* do this the old way */ unsigned long flags, seq; - unsigned int sec, nsec, usec, lost; + unsigned int sec, nsec, usec; do { seq = read_seqbegin_irqsave(&xtime_lock, flags); sec = xtime.tv_sec; nsec = xtime.tv_nsec + tb_ticks_since(tb_last_stamp); - lost = jiffies - wall_jiffies; } while (read_seqretry_irqrestore(&xtime_lock, seq, flags)); - usec = nsec / 1000 + lost * (1000000 / HZ); + usec = nsec / 1000; while (usec >= 1000000) { usec -= 1000000; ++sec; @@ -248,23 +251,6 @@ void do_gettimeofday(struct timeval *tv) EXPORT_SYMBOL(do_gettimeofday); -/* Synchronize xtime with do_gettimeofday */ - -static inline void timer_sync_xtime(unsigned long cur_tb) -{ -#ifdef CONFIG_PPC64 - /* why do we do this? */ - struct timeval my_tv; - - __do_gettimeofday(&my_tv, cur_tb); - - if (xtime.tv_sec <= my_tv.tv_sec) { - xtime.tv_sec = my_tv.tv_sec; - xtime.tv_nsec = my_tv.tv_usec * 1000; - } -#endif -} - /* * There are two copies of tb_to_xs and stamp_xsec so that no * lock is needed to access and use these values in @@ -323,15 +309,30 @@ static __inline__ void timer_recalc_offset(u64 cur_tb) { unsigned long offset; u64 new_stamp_xsec; + u64 tlen, t2x; if (__USE_RTC()) return; + tlen = current_tick_length(); offset = cur_tb - do_gtod.varp->tb_orig_stamp; - if ((offset & 0x80000000u) == 0) - return; - new_stamp_xsec = do_gtod.varp->stamp_xsec - + mulhdu(offset, do_gtod.varp->tb_to_xs); - update_gtod(cur_tb, new_stamp_xsec, do_gtod.varp->tb_to_xs); + if (tlen == last_tick_len && offset < 0x80000000u) { + /* check that we're still in sync; if not, resync */ + struct timeval tv; + __do_gettimeofday(&tv, cur_tb); + if (tv.tv_sec <= xtime.tv_sec && + (tv.tv_sec < xtime.tv_sec || + tv.tv_usec * 1000 <= xtime.tv_nsec)) + return; + } + if (tlen != last_tick_len) { + t2x = mulhdu(tlen << TICKLEN_SHIFT, ticklen_to_xs); + last_tick_len = tlen; + } else + t2x = do_gtod.varp->tb_to_xs; + new_stamp_xsec = (u64) xtime.tv_nsec * XSEC_PER_SEC; + do_div(new_stamp_xsec, 1000000000); + new_stamp_xsec += (u64) xtime.tv_sec * XSEC_PER_SEC; + update_gtod(cur_tb, new_stamp_xsec, t2x); } #ifdef CONFIG_SMP @@ -462,13 +463,10 @@ void timer_interrupt(struct pt_regs * regs) write_seqlock(&xtime_lock); tb_last_jiffy += tb_ticks_per_jiffy; tb_last_stamp = per_cpu(last_jiffy, cpu); - timer_recalc_offset(tb_last_jiffy); do_timer(regs); - timer_sync_xtime(tb_last_jiffy); + timer_recalc_offset(tb_last_jiffy); timer_check_rtc(); write_sequnlock(&xtime_lock); - if (adjusting_time && (time_adjust == 0)) - ppc_adjtimex(); } next_dec = tb_ticks_per_jiffy - ticks; @@ -492,16 +490,18 @@ void timer_interrupt(struct pt_regs * regs) void wakeup_decrementer(void) { - int i; + unsigned long ticks; - set_dec(tb_ticks_per_jiffy); /* - * We don't expect this to be called on a machine with a 601, - * so using get_tbl is fine. + * The timebase gets saved on sleep and restored on wakeup, + * so all we need to do is to reset the decrementer. */ - tb_last_stamp = tb_last_jiffy = get_tb(); - for_each_cpu(i) - per_cpu(last_jiffy, i) = tb_last_stamp; + ticks = tb_ticks_since(__get_cpu_var(last_jiffy)); + if (ticks < tb_ticks_per_jiffy) + ticks = tb_ticks_per_jiffy - ticks; + else + ticks = 1; + set_dec(ticks); } #ifdef CONFIG_SMP @@ -541,8 +541,8 @@ int do_settimeofday(struct timespec *tv) time_t wtm_sec, new_sec = tv->tv_sec; long wtm_nsec, new_nsec = tv->tv_nsec; unsigned long flags; - long int tb_delta; - u64 new_xsec, tb_delta_xs; + u64 new_xsec; + unsigned long tb_delta; if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC) return -EINVAL; @@ -563,9 +563,19 @@ int do_settimeofday(struct timespec *tv) first_settimeofday = 0; } #endif + + /* + * Subtract off the number of nanoseconds since the + * beginning of the last tick. + * Note that since we don't increment jiffies_64 anywhere other + * than in do_timer (since we don't have a lost tick problem), + * wall_jiffies will always be the same as jiffies, + * and therefore the (jiffies - wall_jiffies) computation + * has been removed. + */ tb_delta = tb_ticks_since(tb_last_stamp); - tb_delta += (jiffies - wall_jiffies) * tb_ticks_per_jiffy; - tb_delta_xs = mulhdu(tb_delta, do_gtod.varp->tb_to_xs); + tb_delta = mulhdu(tb_delta, do_gtod.varp->tb_to_xs); /* in xsec */ + new_nsec -= SCALE_XSEC(tb_delta, 1000000000); wtm_sec = wall_to_monotonic.tv_sec + (xtime.tv_sec - new_sec); wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - new_nsec); @@ -580,12 +590,12 @@ int do_settimeofday(struct timespec *tv) ntp_clear(); - new_xsec = 0; - if (new_nsec != 0) { - new_xsec = (u64)new_nsec * XSEC_PER_SEC; + new_xsec = xtime.tv_nsec; + if (new_xsec != 0) { + new_xsec *= XSEC_PER_SEC; do_div(new_xsec, NSEC_PER_SEC); } - new_xsec += (u64)new_sec * XSEC_PER_SEC - tb_delta_xs; + new_xsec += (u64)xtime.tv_sec * XSEC_PER_SEC; update_gtod(tb_last_jiffy, new_xsec, do_gtod.varp->tb_to_xs); vdso_data->tz_minuteswest = sys_tz.tz_minuteswest; @@ -671,7 +681,7 @@ void __init time_init(void) unsigned long flags; unsigned long tm = 0; struct div_result res; - u64 scale; + u64 scale, x; unsigned shift; if (ppc_md.time_init != NULL) @@ -693,11 +703,36 @@ void __init time_init(void) } tb_ticks_per_jiffy = ppc_tb_freq / HZ; - tb_ticks_per_sec = tb_ticks_per_jiffy * HZ; + tb_ticks_per_sec = ppc_tb_freq; tb_ticks_per_usec = ppc_tb_freq / 1000000; tb_to_us = mulhwu_scale_factor(ppc_tb_freq, 1000000); - div128_by_32(1024*1024, 0, tb_ticks_per_sec, &res); - tb_to_xs = res.result_low; + + /* + * Calculate the length of each tick in ns. It will not be + * exactly 1e9/HZ unless ppc_tb_freq is divisible by HZ. + * We compute 1e9 * tb_ticks_per_jiffy / ppc_tb_freq, + * rounded up. + */ + x = (u64) NSEC_PER_SEC * tb_ticks_per_jiffy + ppc_tb_freq - 1; + do_div(x, ppc_tb_freq); + tick_nsec = x; + last_tick_len = x << TICKLEN_SCALE; + + /* + * Compute ticklen_to_xs, which is a factor which gets multiplied + * by (last_tick_len << TICKLEN_SHIFT) to get a tb_to_xs value. + * It is computed as: + * ticklen_to_xs = 2^N / (tb_ticks_per_jiffy * 1e9) + * where N = 64 + 20 - TICKLEN_SCALE - TICKLEN_SHIFT + * so as to give the result as a 0.64 fixed-point fraction. + */ + div128_by_32(1ULL << (64 + 20 - TICKLEN_SCALE - TICKLEN_SHIFT), 0, + tb_ticks_per_jiffy, &res); + div128_by_32(res.result_high, res.result_low, NSEC_PER_SEC, &res); + ticklen_to_xs = res.result_low; + + /* Compute tb_to_xs from tick_nsec */ + tb_to_xs = mulhdu(last_tick_len << TICKLEN_SHIFT, ticklen_to_xs); /* * Compute scale factor for sched_clock. @@ -724,6 +759,14 @@ void __init time_init(void) tm = get_boot_time(); write_seqlock_irqsave(&xtime_lock, flags); + + /* If platform provided a timezone (pmac), we correct the time */ + if (timezone_offset) { + sys_tz.tz_minuteswest = -timezone_offset / 60; + sys_tz.tz_dsttime = 0; + tm -= timezone_offset; + } + xtime.tv_sec = tm; xtime.tv_nsec = 0; do_gtod.varp = &do_gtod.vars[0]; @@ -738,18 +781,11 @@ void __init time_init(void) vdso_data->tb_orig_stamp = tb_last_jiffy; vdso_data->tb_update_count = 0; vdso_data->tb_ticks_per_sec = tb_ticks_per_sec; - vdso_data->stamp_xsec = xtime.tv_sec * XSEC_PER_SEC; + vdso_data->stamp_xsec = (u64) xtime.tv_sec * XSEC_PER_SEC; vdso_data->tb_to_xs = tb_to_xs; time_freq = 0; - /* If platform provided a timezone (pmac), we correct the time */ - if (timezone_offset) { - sys_tz.tz_minuteswest = -timezone_offset / 60; - sys_tz.tz_dsttime = 0; - xtime.tv_sec -= timezone_offset; - } - last_rtc_update = xtime.tv_sec; set_normalized_timespec(&wall_to_monotonic, -xtime.tv_sec, -xtime.tv_nsec); @@ -759,126 +795,6 @@ void __init time_init(void) set_dec(tb_ticks_per_jiffy); } -/* - * After adjtimex is called, adjust the conversion of tb ticks - * to microseconds to keep do_gettimeofday synchronized - * with ntpd. - * - * Use the time_adjust, time_freq and time_offset computed by adjtimex to - * adjust the frequency. - */ - -/* #define DEBUG_PPC_ADJTIMEX 1 */ - -void ppc_adjtimex(void) -{ -#ifdef CONFIG_PPC64 - unsigned long den, new_tb_ticks_per_sec, tb_ticks, old_xsec, - new_tb_to_xs, new_xsec, new_stamp_xsec; - unsigned long tb_ticks_per_sec_delta; - long delta_freq, ltemp; - struct div_result divres; - unsigned long flags; - long singleshot_ppm = 0; - - /* - * Compute parts per million frequency adjustment to - * accomplish the time adjustment implied by time_offset to be - * applied over the elapsed time indicated by time_constant. - * Use SHIFT_USEC to get it into the same units as - * time_freq. - */ - if ( time_offset < 0 ) { - ltemp = -time_offset; - ltemp <<= SHIFT_USEC - SHIFT_UPDATE; - ltemp >>= SHIFT_KG + time_constant; - ltemp = -ltemp; - } else { - ltemp = time_offset; - ltemp <<= SHIFT_USEC - SHIFT_UPDATE; - ltemp >>= SHIFT_KG + time_constant; - } - - /* If there is a single shot time adjustment in progress */ - if ( time_adjust ) { -#ifdef DEBUG_PPC_ADJTIMEX - printk("ppc_adjtimex: "); - if ( adjusting_time == 0 ) - printk("starting "); - printk("single shot time_adjust = %ld\n", time_adjust); -#endif - - adjusting_time = 1; - - /* - * Compute parts per million frequency adjustment - * to match time_adjust - */ - singleshot_ppm = tickadj * HZ; - /* - * The adjustment should be tickadj*HZ to match the code in - * linux/kernel/timer.c, but experiments show that this is too - * large. 3/4 of tickadj*HZ seems about right - */ - singleshot_ppm -= singleshot_ppm / 4; - /* Use SHIFT_USEC to get it into the same units as time_freq */ - singleshot_ppm <<= SHIFT_USEC; - if ( time_adjust < 0 ) - singleshot_ppm = -singleshot_ppm; - } - else { -#ifdef DEBUG_PPC_ADJTIMEX - if ( adjusting_time ) - printk("ppc_adjtimex: ending single shot time_adjust\n"); -#endif - adjusting_time = 0; - } - - /* Add up all of the frequency adjustments */ - delta_freq = time_freq + ltemp + singleshot_ppm; - - /* - * Compute a new value for tb_ticks_per_sec based on - * the frequency adjustment - */ - den = 1000000 * (1 << (SHIFT_USEC - 8)); - if ( delta_freq < 0 ) { - tb_ticks_per_sec_delta = ( tb_ticks_per_sec * ( (-delta_freq) >> (SHIFT_USEC - 8))) / den; - new_tb_ticks_per_sec = tb_ticks_per_sec + tb_ticks_per_sec_delta; - } - else { - tb_ticks_per_sec_delta = ( tb_ticks_per_sec * ( delta_freq >> (SHIFT_USEC - 8))) / den; - new_tb_ticks_per_sec = tb_ticks_per_sec - tb_ticks_per_sec_delta; - } - -#ifdef DEBUG_PPC_ADJTIMEX - printk("ppc_adjtimex: ltemp = %ld, time_freq = %ld, singleshot_ppm = %ld\n", ltemp, time_freq, singleshot_ppm); - printk("ppc_adjtimex: tb_ticks_per_sec - base = %ld new = %ld\n", tb_ticks_per_sec, new_tb_ticks_per_sec); -#endif - - /* - * Compute a new value of tb_to_xs (used to convert tb to - * microseconds) and a new value of stamp_xsec which is the - * time (in 1/2^20 second units) corresponding to - * tb_orig_stamp. This new value of stamp_xsec compensates - * for the change in frequency (implied by the new tb_to_xs) - * which guarantees that the current time remains the same. - */ - write_seqlock_irqsave( &xtime_lock, flags ); - tb_ticks = get_tb() - do_gtod.varp->tb_orig_stamp; - div128_by_32(1024*1024, 0, new_tb_ticks_per_sec, &divres); - new_tb_to_xs = divres.result_low; - new_xsec = mulhdu(tb_ticks, new_tb_to_xs); - - old_xsec = mulhdu(tb_ticks, do_gtod.varp->tb_to_xs); - new_stamp_xsec = do_gtod.varp->stamp_xsec + old_xsec - new_xsec; - - update_gtod(do_gtod.varp->tb_orig_stamp, new_stamp_xsec, new_tb_to_xs); - - write_sequnlock_irqrestore( &xtime_lock, flags ); -#endif /* CONFIG_PPC64 */ -} - #define FEBRUARY 2 #define STARTOFTIME 1970 diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c index d96bcfe4c6f6..33654d1b1b43 100644 --- a/arch/powerpc/mm/hash_native_64.c +++ b/arch/powerpc/mm/hash_native_64.c @@ -403,12 +403,17 @@ static void native_hpte_clear(void) */ hpte_v = hptep->v; + /* + * Call __tlbie() here rather than tlbie() since we + * already hold the native_tlbie_lock. + */ if (hpte_v & HPTE_V_VALID) { hptep->v = 0; - tlbie(slot2va(hpte_v, slot), MMU_PAGE_4K, 0); + __tlbie(slot2va(hpte_v, slot), MMU_PAGE_4K); } } + asm volatile("eieio; tlbsync; ptesync":::"memory"); spin_unlock(&native_tlbie_lock); local_irq_restore(flags); } diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 149351a84b94..b1f614c612dd 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -88,6 +88,7 @@ static unsigned long _SDR1; struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT]; hpte_t *htab_address; +unsigned long htab_size_bytes; unsigned long htab_hash_mask; int mmu_linear_psize = MMU_PAGE_4K; int mmu_virtual_psize = MMU_PAGE_4K; @@ -399,7 +400,7 @@ void create_section_mapping(unsigned long start, unsigned long end) void __init htab_initialize(void) { - unsigned long table, htab_size_bytes; + unsigned long table; unsigned long pteg_count; unsigned long mode_rw; unsigned long base = 0, size = 0; diff --git a/arch/powerpc/oprofile/Kconfig b/arch/powerpc/oprofile/Kconfig index eb2dece76a54..d03c0e5ca870 100644 --- a/arch/powerpc/oprofile/Kconfig +++ b/arch/powerpc/oprofile/Kconfig @@ -1,4 +1,5 @@ config PROFILING + depends on !PPC_ISERIES bool "Profiling support (EXPERIMENTAL)" help Say Y here to enable the extended profiling support mechanisms used diff --git a/arch/powerpc/platforms/iseries/lpevents.c b/arch/powerpc/platforms/iseries/lpevents.c index 0b885300d1d1..8ca7b9396355 100644 --- a/arch/powerpc/platforms/iseries/lpevents.c +++ b/arch/powerpc/platforms/iseries/lpevents.c @@ -184,6 +184,8 @@ void setup_hvlpevent_queue(void) { void *eventStack; + spin_lock_init(&hvlpevent_queue.lock); + /* Allocate a page for the Event Stack. */ eventStack = alloc_bootmem_pages(LpEventStackSize); memset(eventStack, 0, LpEventStackSize); diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c index 3f8790146b00..3ecc4a652d82 100644 --- a/arch/powerpc/platforms/iseries/setup.c +++ b/arch/powerpc/platforms/iseries/setup.c @@ -648,6 +648,7 @@ static void yield_shared_processor(void) * here and let the timer_interrupt code sort out the actual time. */ get_lppaca()->int_dword.fields.decr_int = 1; + ppc64_runlatch_on(); process_iSeries_events(); } diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c index 7d4099a34f92..85d6c93659cc 100644 --- a/arch/powerpc/platforms/maple/pci.c +++ b/arch/powerpc/platforms/maple/pci.c @@ -435,8 +435,8 @@ void __init maple_pci_init(void) PCI_DN(np)->busno = 0xf0; } - /* Tell pci.c to use the common resource allocation mecanism */ - pci_probe_only = 0; + /* Tell pci.c to not change any resource allocations. */ + pci_probe_only = 1; /* Allow all IO */ io_page_mask = -1; diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c index 558dd0692092..34714d3ea69a 100644 --- a/arch/powerpc/platforms/powermac/feature.c +++ b/arch/powerpc/platforms/powermac/feature.c @@ -1646,10 +1646,10 @@ static void intrepid_shutdown(struct macio_chip *macio, int sleep_mode) KL0_SCC_CELL_ENABLE); MACIO_BIC(KEYLARGO_FCR1, - /*KL1_USB2_CELL_ENABLE |*/ KL1_I2S0_CELL_ENABLE | KL1_I2S0_CLK_ENABLE_BIT | KL1_I2S0_ENABLE | KL1_I2S1_CELL_ENABLE | - KL1_I2S1_CLK_ENABLE_BIT | KL1_I2S1_ENABLE); + KL1_I2S1_CLK_ENABLE_BIT | KL1_I2S1_ENABLE | + KL1_EIDE0_ENABLE); if (pmac_mb.board_flags & PMAC_MB_MOBILE) MACIO_BIC(KEYLARGO_FCR1, KL1_UIDE_RESET_N); @@ -2183,7 +2183,7 @@ static struct pmac_mb_def pmac_mb_defs[] = { }, { "PowerMac10,1", "Mac mini", PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER, + PMAC_MB_MAY_SLEEP, }, { "iMac,1", "iMac (first generation)", PMAC_TYPE_ORIG_IMAC, paddington_features, @@ -2295,11 +2295,11 @@ static struct pmac_mb_def pmac_mb_defs[] = { }, { "PowerBook5,8", "PowerBook G4 15\"", PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, + PMAC_MB_MAY_SLEEP | PMAC_MB_MOBILE, }, { "PowerBook5,9", "PowerBook G4 17\"", PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, + PMAC_MB_MAY_SLEEP | PMAC_MB_MOBILE, }, { "PowerBook6,1", "PowerBook G4 12\"", PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig index e3fc3407bb1f..4e5c8f8d869d 100644 --- a/arch/powerpc/platforms/pseries/Kconfig +++ b/arch/powerpc/platforms/pseries/Kconfig @@ -9,13 +9,6 @@ config PPC_SPLPAR processors, that is, which share physical processors between two or more partitions. -config HMT - bool "Hardware multithreading" - depends on SMP && PPC_PSERIES && BROKEN - help - This option enables hardware multithreading on RS64 cpus. - pSeries systems p620 and p660 have such a cpu type. - config EEH bool "PCI Extended Error Handling (EEH)" if EMBEDDED depends on PPC_PSERIES diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c index 8e6b1ed1396e..8d710af50756 100644 --- a/arch/powerpc/platforms/pseries/smp.c +++ b/arch/powerpc/platforms/pseries/smp.c @@ -292,7 +292,7 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu) if (start_cpu == RTAS_UNKNOWN_SERVICE) return 1; - status = rtas_call(start_cpu, 3, 1, NULL, pcpu, start_here, lcpu); + status = rtas_call(start_cpu, 3, 1, NULL, pcpu, start_here, pcpu); if (status != 0) { printk(KERN_ERR "start-cpu failed: %i\n", status); return 0; diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 4f26304d0263..7dcdfcb3c984 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -234,7 +234,7 @@ static void mpic_shutdown_ht_interrupt(struct mpic *mpic, unsigned int source, spin_lock_irqsave(&mpic->fixup_lock, flags); writeb(0x10 + 2 * fixup->index, fixup->base + 2); tmp = readl(fixup->base + 4); - tmp &= ~1U; + tmp |= 1; writel(tmp, fixup->base + 4); spin_unlock_irqrestore(&mpic->fixup_lock, flags); } @@ -446,14 +446,15 @@ static unsigned int mpic_startup_irq(unsigned int irq) #ifdef CONFIG_MPIC_BROKEN_U3 struct mpic *mpic = mpic_from_irq(irq); unsigned int src = irq - mpic->irq_offset; +#endif /* CONFIG_MPIC_BROKEN_U3 */ + + mpic_enable_irq(irq); +#ifdef CONFIG_MPIC_BROKEN_U3 if (mpic_is_ht_interrupt(mpic, src)) mpic_startup_ht_interrupt(mpic, src, irq_desc[irq].status); - #endif /* CONFIG_MPIC_BROKEN_U3 */ - mpic_enable_irq(irq); - return 0; } diff --git a/arch/ppc/kernel/head.S b/arch/ppc/kernel/head.S index c5a890dca9cf..53ea845fb911 100644 --- a/arch/ppc/kernel/head.S +++ b/arch/ppc/kernel/head.S @@ -751,6 +751,7 @@ AltiVecUnavailable: #ifdef CONFIG_ALTIVEC bne load_up_altivec /* if from user, just load it up */ #endif /* CONFIG_ALTIVEC */ + addi r3,r1,STACK_FRAME_OVERHEAD EXC_XFER_EE_LITE(0xf20, altivec_unavailable_exception) #ifdef CONFIG_PPC64BRIDGE diff --git a/arch/ppc/kernel/ppc_ksyms.c b/arch/ppc/kernel/ppc_ksyms.c index 15bd9b448a48..82adb4601348 100644 --- a/arch/ppc/kernel/ppc_ksyms.c +++ b/arch/ppc/kernel/ppc_ksyms.c @@ -93,15 +93,8 @@ EXPORT_SYMBOL(test_and_change_bit); EXPORT_SYMBOL(strcpy); EXPORT_SYMBOL(strncpy); EXPORT_SYMBOL(strcat); -EXPORT_SYMBOL(strncat); -EXPORT_SYMBOL(strchr); -EXPORT_SYMBOL(strrchr); -EXPORT_SYMBOL(strpbrk); -EXPORT_SYMBOL(strstr); EXPORT_SYMBOL(strlen); -EXPORT_SYMBOL(strnlen); EXPORT_SYMBOL(strcmp); -EXPORT_SYMBOL(strncmp); EXPORT_SYMBOL(strcasecmp); EXPORT_SYMBOL(__div64_32); @@ -253,7 +246,6 @@ EXPORT_SYMBOL(memcpy); EXPORT_SYMBOL(cacheable_memcpy); EXPORT_SYMBOL(memset); EXPORT_SYMBOL(memmove); -EXPORT_SYMBOL(memscan); EXPORT_SYMBOL(memcmp); EXPORT_SYMBOL(memchr); diff --git a/arch/ppc/xmon/adb.c b/arch/ppc/xmon/adb.c deleted file mode 100644 index e91384dcccac..000000000000 --- a/arch/ppc/xmon/adb.c +++ /dev/null @@ -1,212 +0,0 @@ -/* - * Copyright (C) 1996 Paul Mackerras. - */ -#include "nonstdio.h" -#include "privinst.h" - -#define scanhex xmon_scanhex -#define skipbl xmon_skipbl - -#define ADB_B (*(volatile unsigned char *)0xf3016000) -#define ADB_SR (*(volatile unsigned char *)0xf3017400) -#define ADB_ACR (*(volatile unsigned char *)0xf3017600) -#define ADB_IFR (*(volatile unsigned char *)0xf3017a00) - -static inline void eieio(void) { asm volatile ("eieio" : :); } - -#define N_ADB_LOG 1000 -struct adb_log { - unsigned char b; - unsigned char ifr; - unsigned char acr; - unsigned int time; -} adb_log[N_ADB_LOG]; -int n_adb_log; - -void -init_adb_log(void) -{ - adb_log[0].b = ADB_B; - adb_log[0].ifr = ADB_IFR; - adb_log[0].acr = ADB_ACR; - adb_log[0].time = get_dec(); - n_adb_log = 0; -} - -void -dump_adb_log(void) -{ - unsigned t, t0; - struct adb_log *ap; - int i; - - ap = adb_log; - t0 = ap->time; - for (i = 0; i <= n_adb_log; ++i, ++ap) { - t = t0 - ap->time; - printf("b=%x ifr=%x acr=%x at %d.%.7d\n", ap->b, ap->ifr, ap->acr, - t / 1000000000, (t % 1000000000) / 100); - } -} - -void -adb_chklog(void) -{ - struct adb_log *ap = &adb_log[n_adb_log + 1]; - - ap->b = ADB_B; - ap->ifr = ADB_IFR; - ap->acr = ADB_ACR; - if (ap->b != ap[-1].b || (ap->ifr & 4) != (ap[-1].ifr & 4) - || ap->acr != ap[-1].acr) { - ap->time = get_dec(); - ++n_adb_log; - } -} - -int -adb_bitwait(int bmask, int bval, int fmask, int fval) -{ - int i; - struct adb_log *ap; - - for (i = 10000; i > 0; --i) { - adb_chklog(); - ap = &adb_log[n_adb_log]; - if ((ap->b & bmask) == bval && (ap->ifr & fmask) == fval) - return 0; - } - return -1; -} - -int -adb_wait(void) -{ - if (adb_bitwait(0, 0, 4, 4) < 0) { - printf("adb: ready wait timeout\n"); - return -1; - } - return 0; -} - -void -adb_readin(void) -{ - int i, j; - unsigned char d[64]; - - if (ADB_B & 8) { - printf("ADB_B: %x\n", ADB_B); - return; - } - i = 0; - adb_wait(); - j = ADB_SR; - eieio(); - ADB_B &= ~0x20; - eieio(); - for (;;) { - if (adb_wait() < 0) - break; - d[i++] = ADB_SR; - eieio(); - if (ADB_B & 8) - break; - ADB_B ^= 0x10; - eieio(); - } - ADB_B |= 0x30; - if (adb_wait() == 0) - j = ADB_SR; - for (j = 0; j < i; ++j) - printf("%.2x ", d[j]); - printf("\n"); -} - -int -adb_write(unsigned char *d, int i) -{ - int j; - unsigned x; - - if ((ADB_B & 8) == 0) { - printf("r: "); - adb_readin(); - } - for (;;) { - ADB_ACR = 0x1c; - eieio(); - ADB_SR = d[0]; - eieio(); - ADB_B &= ~0x20; - eieio(); - if (ADB_B & 8) - break; - ADB_ACR = 0xc; - eieio(); - ADB_B |= 0x20; - eieio(); - adb_readin(); - } - adb_wait(); - for (j = 1; j < i; ++j) { - ADB_SR = d[j]; - eieio(); - ADB_B ^= 0x10; - eieio(); - if (adb_wait() < 0) - break; - } - ADB_ACR = 0xc; - eieio(); - x = ADB_SR; - eieio(); - ADB_B |= 0x30; - return j; -} - -void -adbcmds(void) -{ - char cmd; - unsigned rtcu, rtcl, dec, pdec, x; - int i, j; - unsigned char d[64]; - - cmd = skipbl(); - switch (cmd) { - case 't': - for (;;) { - rtcl = get_rtcl(); - rtcu = get_rtcu(); - dec = get_dec(); - printf("rtc u=%u l=%u dec=%x (%d = %d.%.7d)\n", - rtcu, rtcl, dec, pdec - dec, (pdec - dec) / 1000000000, - ((pdec - dec) % 1000000000) / 100); - pdec = dec; - if (cmd == 'x') - break; - while (xmon_read(stdin, &cmd, 1) != 1) - ; - } - break; - case 'r': - init_adb_log(); - while (adb_bitwait(8, 0, 0, 0) == 0) - adb_readin(); - break; - case 'w': - i = 0; - while (scanhex(&x)) - d[i++] = x; - init_adb_log(); - j = adb_write(d, i); - printf("sent %d bytes\n", j); - while (adb_bitwait(8, 0, 0, 0) == 0) - adb_readin(); - break; - case 'l': - dump_adb_log(); - break; - } -} diff --git a/arch/ppc/xmon/start.c b/arch/ppc/xmon/start.c index 4344cbe9b5c5..ff86b2d814cb 100644 --- a/arch/ppc/xmon/start.c +++ b/arch/ppc/xmon/start.c @@ -6,16 +6,11 @@ #include <asm/machdep.h> #include <asm/io.h> #include <asm/page.h> -#include <linux/adb.h> -#include <linux/pmu.h> -#include <linux/cuda.h> #include <linux/kernel.h> #include <linux/errno.h> #include <linux/sysrq.h> #include <linux/bitops.h> #include <asm/xmon.h> -#include <asm/prom.h> -#include <asm/bootx.h> #include <asm/machdep.h> #include <asm/errno.h> #include <asm/processor.h> @@ -26,9 +21,7 @@ static volatile unsigned char *sccc, *sccd; unsigned int TXRDY, RXRDY, DLAB; static int xmon_expect(const char *str, unsigned int timeout); -static int use_screen; static int via_modem; -static int xmon_use_sccb; #define TB_SPEED 25000000 @@ -46,47 +39,6 @@ void buf_access(void) sccd[3] &= ~DLAB; /* reset DLAB */ } -extern int adb_init(void); - -#ifdef CONFIG_PPC_CHRP -/* - * This looks in the "ranges" property for the primary PCI host bridge - * to find the physical address of the start of PCI/ISA I/O space. - * It is basically a cut-down version of pci_process_bridge_OF_ranges. - */ -static unsigned long chrp_find_phys_io_base(void) -{ - struct device_node *node; - unsigned int *ranges; - unsigned long base = CHRP_ISA_IO_BASE; - int rlen = 0; - int np; - - node = find_devices("isa"); - if (node != NULL) { - node = node->parent; - if (node == NULL || node->type == NULL - || strcmp(node->type, "pci") != 0) - node = NULL; - } - if (node == NULL) - node = find_devices("pci"); - if (node == NULL) - return base; - - ranges = (unsigned int *) get_property(node, "ranges", &rlen); - np = prom_n_addr_cells(node) + 5; - while ((rlen -= np * sizeof(unsigned int)) >= 0) { - if ((ranges[0] >> 24) == 1 && ranges[2] == 0) { - /* I/O space starting at 0, grab the phys base */ - base = ranges[np - 3]; - break; - } - ranges += np; - } - return base; -} -#endif /* CONFIG_PPC_CHRP */ #ifdef CONFIG_MAGIC_SYSRQ static void sysrq_handle_xmon(int key, struct pt_regs *regs, @@ -109,22 +61,6 @@ xmon_map_scc(void) #ifdef CONFIG_PPC_MULTIPLATFORM volatile unsigned char *base; -#ifdef CONFIG_PPC_CHRP - base = (volatile unsigned char *) isa_io_base; - if (_machine == _MACH_chrp) - base = (volatile unsigned char *) - ioremap(chrp_find_phys_io_base(), 0x1000); - - sccc = base + 0x3fd; - sccd = base + 0x3f8; - if (xmon_use_sccb) { - sccc -= 0x100; - sccd -= 0x100; - } - TXRDY = 0x20; - RXRDY = 1; - DLAB = 0x80; -#endif /* CONFIG_PPC_CHRP */ #elif defined(CONFIG_GEMINI) /* should already be mapped by the kernel boot */ sccc = (volatile unsigned char *) 0xffeffb0d; @@ -143,22 +79,9 @@ xmon_map_scc(void) register_sysrq_key('x', &sysrq_xmon_op); } -static int scc_initialized = 0; +static int scc_initialized; void xmon_init_scc(void); -extern void cuda_poll(void); - -static inline void do_poll_adb(void) -{ -#ifdef CONFIG_ADB_PMU - if (sys_ctrler == SYS_CTRLER_PMU) - pmu_poll_adb(); -#endif /* CONFIG_ADB_PMU */ -#ifdef CONFIG_ADB_CUDA - if (sys_ctrler == SYS_CTRLER_CUDA) - cuda_poll(); -#endif /* CONFIG_ADB_CUDA */ -} int xmon_write(void *handle, void *ptr, int nb) @@ -176,20 +99,12 @@ xmon_write(void *handle, void *ptr, int nb) break; #endif -#ifdef CONFIG_BOOTX_TEXT - if (use_screen) { - /* write it on the screen */ - for (i = 0; i < nb; ++i) - btext_drawchar(*p++); - goto out; - } -#endif if (!scc_initialized) xmon_init_scc(); ct = 0; for (i = 0; i < nb; ++i) { while ((*sccc & TXRDY) == 0) - do_poll_adb(); + ; c = p[i]; if (c == '\n' && !ct) { c = '\r'; @@ -203,7 +118,6 @@ xmon_write(void *handle, void *ptr, int nb) eieio(); } - out: #ifdef CONFIG_SMP if (!locked) clear_bit(0, &xmon_write_lock); @@ -212,65 +126,7 @@ xmon_write(void *handle, void *ptr, int nb) } int xmon_wants_key; -int xmon_adb_keycode; - -#ifdef CONFIG_BOOTX_TEXT -static int xmon_adb_shiftstate; - -static unsigned char xmon_keytab[128] = - "asdfhgzxcv\000bqwer" /* 0x00 - 0x0f */ - "yt123465=97-80]o" /* 0x10 - 0x1f */ - "u[ip\rlj'k;\\,/nm." /* 0x20 - 0x2f */ - "\t `\177\0\033\0\0\0\0\0\0\0\0\0\0" /* 0x30 - 0x3f */ - "\0.\0*\0+\0\0\0\0\0/\r\0-\0" /* 0x40 - 0x4f */ - "\0\0000123456789\0\0\0"; /* 0x50 - 0x5f */ - -static unsigned char xmon_shift_keytab[128] = - "ASDFHGZXCV\000BQWER" /* 0x00 - 0x0f */ - "YT!@#$^%+(&_*)}O" /* 0x10 - 0x1f */ - "U{IP\rLJ\"K:|<?NM>" /* 0x20 - 0x2f */ - "\t ~\177\0\033\0\0\0\0\0\0\0\0\0\0" /* 0x30 - 0x3f */ - "\0.\0*\0+\0\0\0\0\0/\r\0-\0" /* 0x40 - 0x4f */ - "\0\0000123456789\0\0\0"; /* 0x50 - 0x5f */ - -static int -xmon_get_adb_key(void) -{ - int k, t, on; - xmon_wants_key = 1; - for (;;) { - xmon_adb_keycode = -1; - t = 0; - on = 0; - do { - if (--t < 0) { - on = 1 - on; - btext_drawchar(on? 0xdb: 0x20); - btext_drawchar('\b'); - t = 200000; - } - do_poll_adb(); - } while (xmon_adb_keycode == -1); - k = xmon_adb_keycode; - if (on) - btext_drawstring(" \b"); - - /* test for shift keys */ - if ((k & 0x7f) == 0x38 || (k & 0x7f) == 0x7b) { - xmon_adb_shiftstate = (k & 0x80) == 0; - continue; - } - if (k >= 0x80) - continue; /* ignore up transitions */ - k = (xmon_adb_shiftstate? xmon_shift_keytab: xmon_keytab)[k]; - if (k != 0) - break; - } - xmon_wants_key = 0; - return k; -} -#endif /* CONFIG_BOOTX_TEXT */ int xmon_read(void *handle, void *ptr, int nb) @@ -278,18 +134,11 @@ xmon_read(void *handle, void *ptr, int nb) char *p = ptr; int i; -#ifdef CONFIG_BOOTX_TEXT - if (use_screen) { - for (i = 0; i < nb; ++i) - *p++ = xmon_get_adb_key(); - return i; - } -#endif if (!scc_initialized) xmon_init_scc(); for (i = 0; i < nb; ++i) { while ((*sccc & RXRDY) == 0) - do_poll_adb(); + ; buf_access(); *p++ = *sccd; } @@ -300,7 +149,7 @@ int xmon_read_poll(void) { if ((*sccc & RXRDY) == 0) { - do_poll_adb(); + ; return -1; } buf_access(); @@ -310,15 +159,6 @@ xmon_read_poll(void) void xmon_init_scc(void) { - if ( _machine == _MACH_chrp ) - { - sccd[3] = 0x83; eieio(); /* LCR = 8N1 + DLAB */ - sccd[0] = 12; eieio(); /* DLL = 9600 baud */ - sccd[1] = 0; eieio(); - sccd[2] = 0; eieio(); /* FCR = 0 */ - sccd[3] = 3; eieio(); /* LCR = 8N1 */ - sccd[1] = 0; eieio(); /* IER = 0 */ - } scc_initialized = 1; if (via_modem) { for (;;) { @@ -334,22 +174,6 @@ xmon_init_scc(void) } } -#if 0 -extern int (*prom_entry)(void *); - -int -xmon_exit(void) -{ - struct prom_args { - char *service; - } args; - - for (;;) { - args.service = "exit"; - (*prom_entry)(&args); - } -} -#endif void *xmon_stdin; void *xmon_stdout; diff --git a/arch/ppc/xmon/xmon.c b/arch/ppc/xmon/xmon.c index bdaf6597b4c2..06fa44b5c647 100644 --- a/arch/ppc/xmon/xmon.c +++ b/arch/ppc/xmon/xmon.c @@ -12,8 +12,6 @@ #include <linux/kallsyms.h> #include <asm/ptrace.h> #include <asm/string.h> -#include <asm/prom.h> -#include <asm/bootx.h> #include <asm/machdep.h> #include <asm/xmon.h> #include "nonstdio.h" @@ -101,9 +99,6 @@ void cacheflush(void); static void cpu_cmd(void); #endif /* CONFIG_SMP */ static void csum(void); -#ifdef CONFIG_BOOTX_TEXT -static void vidcmds(void); -#endif static void bootcmds(void); static void proccall(void); static void printtime(void); @@ -522,11 +517,6 @@ cmds(struct pt_regs *excp) cpu_cmd(); break; #endif /* CONFIG_SMP */ -#ifdef CONFIG_BOOTX_TEXT - case 'v': - vidcmds(); - break; -#endif case 'z': bootcmds(); break; @@ -618,43 +608,6 @@ static void cpu_cmd(void) } #endif /* CONFIG_SMP */ -#ifdef CONFIG_BOOTX_TEXT -extern boot_infos_t disp_bi; - -static void vidcmds(void) -{ - int c = inchar(); - unsigned int val, w; - extern int boot_text_mapped; - - if (!boot_text_mapped) - return; - if (c != '\n' && scanhex(&val)) { - switch (c) { - case 'd': - w = disp_bi.dispDeviceRowBytes - / (disp_bi.dispDeviceDepth >> 3); - disp_bi.dispDeviceDepth = val; - disp_bi.dispDeviceRowBytes = w * (val >> 3); - return; - case 'p': - disp_bi.dispDeviceRowBytes = val; - return; - case 'w': - disp_bi.dispDeviceRect[2] = val; - return; - case 'h': - disp_bi.dispDeviceRect[3] = val; - return; - } - } - printf("W = %d (0x%x) H = %d (0x%x) D = %d (0x%x) P = %d (0x%x)\n", - disp_bi.dispDeviceRect[2], disp_bi.dispDeviceRect[2], - disp_bi.dispDeviceRect[3], disp_bi.dispDeviceRect[3], - disp_bi.dispDeviceDepth, disp_bi.dispDeviceDepth, - disp_bi.dispDeviceRowBytes, disp_bi.dispDeviceRowBytes); -} -#endif /* CONFIG_BOOTX_TEXT */ static unsigned short fcstab[256] = { 0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf, @@ -1020,7 +973,6 @@ dump_hash_table(void) } #else -#ifndef CONFIG_PPC64BRIDGE static void dump_hash_table_seg(unsigned seg, unsigned start, unsigned end) { @@ -1079,66 +1031,6 @@ dump_hash_table_seg(unsigned seg, unsigned start, unsigned end) printf(" ... %x\n", last_va); } -#else /* CONFIG_PPC64BRIDGE */ -static void -dump_hash_table_seg(unsigned seg, unsigned start, unsigned end) -{ - extern void *Hash; - extern unsigned long Hash_size; - unsigned *htab = Hash; - unsigned hsize = Hash_size; - unsigned v, hmask, va, last_va; - int found, last_found, i; - unsigned *hg, w1, last_w2, last_va0; - - last_found = 0; - hmask = hsize / 128 - 1; - va = start; - start = (start >> 12) & 0xffff; - end = (end >> 12) & 0xffff; - for (v = start; v < end; ++v) { - found = 0; - hg = htab + (((v ^ seg) & hmask) * 32); - w1 = 1 | (seg << 12) | ((v & 0xf800) >> 4); - for (i = 0; i < 8; ++i, hg += 4) { - if (hg[1] == w1) { - found = 1; - break; - } - } - if (!found) { - w1 ^= 2; - hg = htab + ((~(v ^ seg) & hmask) * 32); - for (i = 0; i < 8; ++i, hg += 4) { - if (hg[1] == w1) { - found = 1; - break; - } - } - } - if (!(last_found && found && (hg[3] & ~0x180) == last_w2 + 4096)) { - if (last_found) { - if (last_va != last_va0) - printf(" ... %x", last_va); - printf("\n"); - } - if (found) { - printf("%x to %x", va, hg[3]); - last_va0 = va; - } - last_found = found; - } - if (found) { - last_w2 = hg[3] & ~0x180; - last_va = va; - } - va += 4096; - } - if (last_found) - printf(" ... %x\n", last_va); -} -#endif /* CONFIG_PPC64BRIDGE */ - static unsigned hash_ctx; static unsigned hash_start; static unsigned hash_end; diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index b66602ad7b33..b7ca5bf9acfc 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -80,6 +80,10 @@ config HOTPLUG_CPU can be controlled through /sys/devices/system/cpu/cpu#. Say N if you want to disable CPU hotplug. +config DEFAULT_MIGRATION_COST + int + default "1000000" + config MATHEMU bool "IEEE FPU emulation" depends on MARCH_G5 diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c index 2d021626c1a6..cc058dc3bc8b 100644 --- a/arch/s390/kernel/compat_linux.c +++ b/arch/s390/kernel/compat_linux.c @@ -905,8 +905,8 @@ asmlinkage long sys32_fstat64(unsigned long fd, struct stat64_emu31 __user * sta return ret; } -asmlinkage long sys32_fstatat(unsigned int dfd, char __user *filename, - struct stat64_emu31 __user* statbuf, int flag) +asmlinkage long sys32_fstatat64(unsigned int dfd, char __user *filename, + struct stat64_emu31 __user* statbuf, int flag) { struct kstat stat; int error = -EINVAL; diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index dd2d6c3e8df8..50e80138e7ad 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S @@ -1523,13 +1523,13 @@ compat_sys_futimesat_wrapper: llgtr %r4,%r4 # struct timeval * jg compat_sys_futimesat - .globl sys32_fstatat_wrapper -sys32_fstatat_wrapper: + .globl sys32_fstatat64_wrapper +sys32_fstatat64_wrapper: llgfr %r2,%r2 # unsigned int llgtr %r3,%r3 # char * llgtr %r4,%r4 # struct stat64 * lgfr %r5,%r5 # int - jg sys32_fstatat + jg sys32_fstatat64 .globl sys_unlinkat_wrapper sys_unlinkat_wrapper: @@ -1552,6 +1552,7 @@ sys_linkat_wrapper: llgtr %r3,%r3 # const char * lgfr %r4,%r4 # int llgtr %r5,%r5 # const char * + lgfr %r6,%r6 # int jg sys_linkat .globl sys_symlinkat_wrapper diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 008c74526fd3..da6fbae8df91 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -128,8 +128,10 @@ void default_idle(void) __ctl_set_bit(8, 15); #ifdef CONFIG_HOTPLUG_CPU - if (cpu_is_offline(cpu)) + if (cpu_is_offline(cpu)) { + preempt_enable_no_resched(); cpu_die(); + } #endif local_mcck_disable(); diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index de8784267473..24f62f16c0e5 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -600,6 +600,7 @@ setup_arch(char **cmdline_p) init_mm.brk = (unsigned long) &_end; parse_cmdline_early(cmdline_p); + parse_early_param(); setup_memory(); setup_resources(); @@ -607,6 +608,7 @@ setup_arch(char **cmdline_p) cpu_init(); __cpu_logical_map[0] = S390_lowcore.cpu_data.cpu_addr; + smp_setup_cpu_possible_map(); /* * Create kernel page tables and switch to virtual addressing. diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 0d1ad5dbe2b1..7dbe00c76c6b 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -1,8 +1,7 @@ /* * arch/s390/kernel/smp.c * - * S390 version - * Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation + * Copyright (C) IBM Corp. 1999,2006 * Author(s): Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com), * Martin Schwidefsky (schwidefsky@de.ibm.com) * Heiko Carstens (heiko.carstens@de.ibm.com) @@ -41,8 +40,6 @@ #include <asm/cpcmd.h> #include <asm/tlbflush.h> -/* prototypes */ - extern volatile int __cpu_logical_map[]; /* @@ -51,13 +48,11 @@ extern volatile int __cpu_logical_map[]; struct _lowcore *lowcore_ptr[NR_CPUS]; -cpumask_t cpu_online_map; -cpumask_t cpu_possible_map = CPU_MASK_ALL; +cpumask_t cpu_online_map = CPU_MASK_NONE; +cpumask_t cpu_possible_map = CPU_MASK_NONE; static struct task_struct *current_set[NR_CPUS]; -EXPORT_SYMBOL(cpu_online_map); - /* * Reboot, halt and power_off routines for SMP. */ @@ -490,10 +485,10 @@ void smp_ctl_clear_bit(int cr, int bit) { * Lets check how many CPUs we have. */ -void -__init smp_check_cpus(unsigned int max_cpus) +static unsigned int +__init smp_count_cpus(void) { - int cpu, num_cpus; + unsigned int cpu, num_cpus; __u16 boot_cpu_addr; /* @@ -503,19 +498,20 @@ __init smp_check_cpus(unsigned int max_cpus) boot_cpu_addr = S390_lowcore.cpu_data.cpu_addr; current_thread_info()->cpu = 0; num_cpus = 1; - for (cpu = 0; cpu <= 65535 && num_cpus < max_cpus; cpu++) { + for (cpu = 0; cpu <= 65535; cpu++) { if ((__u16) cpu == boot_cpu_addr) continue; - __cpu_logical_map[num_cpus] = (__u16) cpu; - if (signal_processor(num_cpus, sigp_sense) == + __cpu_logical_map[1] = (__u16) cpu; + if (signal_processor(1, sigp_sense) == sigp_not_operational) continue; - cpu_set(num_cpus, cpu_present_map); num_cpus++; } printk("Detected %d CPU's\n",(int) num_cpus); printk("Boot cpu address %2X\n", boot_cpu_addr); + + return num_cpus; } /* @@ -676,6 +672,44 @@ __cpu_up(unsigned int cpu) return 0; } +static unsigned int __initdata additional_cpus; +static unsigned int __initdata possible_cpus; + +void __init smp_setup_cpu_possible_map(void) +{ + unsigned int phy_cpus, pos_cpus, cpu; + + phy_cpus = smp_count_cpus(); + pos_cpus = min(phy_cpus + additional_cpus, (unsigned int) NR_CPUS); + + if (possible_cpus) + pos_cpus = min(possible_cpus, (unsigned int) NR_CPUS); + + for (cpu = 0; cpu < pos_cpus; cpu++) + cpu_set(cpu, cpu_possible_map); + + phy_cpus = min(phy_cpus, pos_cpus); + + for (cpu = 0; cpu < phy_cpus; cpu++) + cpu_set(cpu, cpu_present_map); +} + +#ifdef CONFIG_HOTPLUG_CPU + +static int __init setup_additional_cpus(char *s) +{ + additional_cpus = simple_strtoul(s, NULL, 0); + return 0; +} +early_param("additional_cpus", setup_additional_cpus); + +static int __init setup_possible_cpus(char *s) +{ + possible_cpus = simple_strtoul(s, NULL, 0); + return 0; +} +early_param("possible_cpus", setup_possible_cpus); + int __cpu_disable(void) { @@ -744,6 +778,8 @@ cpu_die(void) for(;;); } +#endif /* CONFIG_HOTPLUG_CPU */ + /* * Cycle through the processors and setup structures. */ @@ -757,7 +793,6 @@ void __init smp_prepare_cpus(unsigned int max_cpus) /* request the 0x1201 emergency signal external interrupt */ if (register_external_interrupt(0x1201, do_ext_call_interrupt) != 0) panic("Couldn't request external interrupt 0x1201"); - smp_check_cpus(max_cpus); memset(lowcore_ptr,0,sizeof(lowcore_ptr)); /* * Initialize prefix pages and stacks for all possible cpus @@ -806,7 +841,6 @@ void __devinit smp_prepare_boot_cpu(void) BUG_ON(smp_processor_id() != 0); cpu_set(0, cpu_online_map); - cpu_set(0, cpu_present_map); S390_lowcore.percpu_offset = __per_cpu_offset[0]; current_set[0] = current; } @@ -845,6 +879,7 @@ static int __init topology_init(void) subsys_initcall(topology_init); +EXPORT_SYMBOL(cpu_online_map); EXPORT_SYMBOL(cpu_possible_map); EXPORT_SYMBOL(lowcore_ptr); EXPORT_SYMBOL(smp_ctl_set_bit); diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index 84921fe8d266..7c88d85c3597 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -301,7 +301,7 @@ SYSCALL(sys_mkdirat,sys_mkdirat,sys_mkdirat_wrapper) SYSCALL(sys_mknodat,sys_mknodat,sys_mknodat_wrapper) /* 290 */ SYSCALL(sys_fchownat,sys_fchownat,sys_fchownat_wrapper) SYSCALL(sys_futimesat,sys_futimesat,compat_sys_futimesat_wrapper) -SYSCALL(sys_fstatat64,sys_newfstatat,sys32_fstatat_wrapper) +SYSCALL(sys_fstatat64,sys_newfstatat,sys32_fstatat64_wrapper) SYSCALL(sys_unlinkat,sys_unlinkat,sys_unlinkat_wrapper) SYSCALL(sys_renameat,sys_renameat,sys_renameat_wrapper) /* 295 */ SYSCALL(sys_linkat,sys_linkat,sys_linkat_wrapper) diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 504d56f8ca7f..e73621d03a28 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -446,7 +446,7 @@ endmenu config ISA_DMA_API bool - depends on MPC1211 + depends on SH_MPC1211 default y menu "Kernel features" diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig index ab733be9af08..4c0a50a76554 100644 --- a/arch/sparc64/Kconfig +++ b/arch/sparc64/Kconfig @@ -383,6 +383,7 @@ source "arch/sparc64/oprofile/Kconfig" config KPROBES bool "Kprobes (EXPERIMENTAL)" + depends on EXPERIMENTAL && MODULES help Kprobes allows you to trap at almost any kernel address and execute a callback function. register_kprobe() establishes diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c index 054461e6946d..158bd31e15b7 100644 --- a/arch/sparc64/kernel/setup.c +++ b/arch/sparc64/kernel/setup.c @@ -542,6 +542,8 @@ void __init setup_arch(char **cmdline_p) } #endif + smp_setup_cpu_possible_map(); + paging_init(); } diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index 1fb6323e65a4..1f7ad8a69052 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -1079,18 +1079,12 @@ int setup_profiling_timer(unsigned int multiplier) return 0; } +/* Constrain the number of cpus to max_cpus. */ void __init smp_prepare_cpus(unsigned int max_cpus) { - int instance, mid; - - instance = 0; - while (!cpu_find_by_instance(instance, NULL, &mid)) { - if (mid < max_cpus) - cpu_set(mid, phys_cpu_present_map); - instance++; - } - if (num_possible_cpus() > max_cpus) { + int instance, mid; + instance = 0; while (!cpu_find_by_instance(instance, NULL, &mid)) { if (mid != boot_cpu_id) { @@ -1105,6 +1099,22 @@ void __init smp_prepare_cpus(unsigned int max_cpus) smp_store_cpu_info(boot_cpu_id); } +/* Set this up early so that things like the scheduler can init + * properly. We use the same cpu mask for both the present and + * possible cpu map. + */ +void __init smp_setup_cpu_possible_map(void) +{ + int instance, mid; + + instance = 0; + while (!cpu_find_by_instance(instance, NULL, &mid)) { + if (mid < NR_CPUS) + cpu_set(mid, phys_cpu_present_map); + instance++; + } +} + void __devinit smp_prepare_boot_cpu(void) { if (hard_smp_processor_id() >= NR_CPUS) { diff --git a/arch/um/drivers/cow.h b/arch/um/drivers/cow.h index dc36b222100b..04e3958266e0 100644 --- a/arch/um/drivers/cow.h +++ b/arch/um/drivers/cow.h @@ -46,7 +46,7 @@ extern int file_reader(__u64 offset, char *buf, int len, void *arg); extern int read_cow_header(int (*reader)(__u64, char *, int, void *), void *arg, __u32 *version_out, char **backing_file_out, time_t *mtime_out, - unsigned long long *size_out, int *sectorsize_out, + __u64 *size_out, int *sectorsize_out, __u32 *align_out, int *bitmap_offset_out); extern int write_cow_header(char *cow_file, int fd, char *backing_file, diff --git a/arch/um/drivers/cow_sys.h b/arch/um/drivers/cow_sys.h index c83fc5d68936..94de4ead4f7a 100644 --- a/arch/um/drivers/cow_sys.h +++ b/arch/um/drivers/cow_sys.h @@ -23,17 +23,17 @@ static inline char *cow_strdup(char *str) return(uml_strdup(str)); } -static inline int cow_seek_file(int fd, unsigned long long offset) +static inline int cow_seek_file(int fd, __u64 offset) { return(os_seek_file(fd, offset)); } -static inline int cow_file_size(char *file, unsigned long long *size_out) +static inline int cow_file_size(char *file, __u64 *size_out) { return(os_file_size(file, size_out)); } -static inline int cow_write_file(int fd, char *buf, int size) +static inline int cow_write_file(int fd, void *buf, int size) { return(os_write_file(fd, buf, size)); } diff --git a/arch/um/drivers/cow_user.c b/arch/um/drivers/cow_user.c index fbe2217db5dd..61951b721268 100644 --- a/arch/um/drivers/cow_user.c +++ b/arch/um/drivers/cow_user.c @@ -176,7 +176,7 @@ int write_cow_header(char *cow_file, int fd, char *backing_file, err = -ENOMEM; header = cow_malloc(sizeof(*header)); if(header == NULL){ - cow_printf("Failed to allocate COW V3 header\n"); + cow_printf("write_cow_header - failed to allocate COW V3 header\n"); goto out; } header->magic = htonl(COW_MAGIC); @@ -196,15 +196,17 @@ int write_cow_header(char *cow_file, int fd, char *backing_file, err = os_file_modtime(header->backing_file, &modtime); if(err < 0){ - cow_printf("Backing file '%s' mtime request failed, " - "err = %d\n", header->backing_file, -err); + cow_printf("write_cow_header - backing file '%s' mtime " + "request failed, err = %d\n", header->backing_file, + -err); goto out_free; } err = cow_file_size(header->backing_file, size); if(err < 0){ - cow_printf("Couldn't get size of backing file '%s', " - "err = %d\n", header->backing_file, -err); + cow_printf("write_cow_header - couldn't get size of " + "backing file '%s', err = %d\n", + header->backing_file, -err); goto out_free; } @@ -214,10 +216,11 @@ int write_cow_header(char *cow_file, int fd, char *backing_file, header->alignment = htonl(alignment); header->cow_format = COW_BITMAP; - err = os_write_file(fd, header, sizeof(*header)); + err = cow_write_file(fd, header, sizeof(*header)); if(err != sizeof(*header)){ - cow_printf("Write of header to new COW file '%s' failed, " - "err = %d\n", cow_file, -err); + cow_printf("write_cow_header - write of header to " + "new COW file '%s' failed, err = %d\n", cow_file, + -err); goto out_free; } err = 0; @@ -299,7 +302,7 @@ int read_cow_header(int (*reader)(__u64, char *, int, void *), void *arg, } else if(version == 3){ if(n < sizeof(header->v3)){ - cow_printf("read_cow_header - failed to read V2 " + cow_printf("read_cow_header - failed to read V3 " "header\n"); goto out; } @@ -359,7 +362,8 @@ int init_cow_file(int fd, char *cow_file, char *backing_file, int sectorsize, if(err != sizeof(zero)){ cow_printf("Write of bitmap to new COW file '%s' failed, " "err = %d\n", cow_file, -err); - err = -EINVAL; + if (err >= 0) + err = -EINVAL; goto out; } diff --git a/arch/um/drivers/net_user.c b/arch/um/drivers/net_user.c index 098fa65981ab..0e2f06187ea7 100644 --- a/arch/um/drivers/net_user.c +++ b/arch/um/drivers/net_user.c @@ -47,10 +47,12 @@ void tap_check_ips(char *gate_addr, unsigned char *eth_addr) } } +/* Do reliable error handling as this fails frequently enough. */ void read_output(int fd, char *output, int len) { - int remain, n, actual; + int remain, ret, expected; char c; + char *str; if(output == NULL){ output = &c; @@ -58,23 +60,31 @@ void read_output(int fd, char *output, int len) } *output = '\0'; - n = os_read_file(fd, &remain, sizeof(remain)); - if(n != sizeof(remain)){ - printk("read_output - read of length failed, err = %d\n", -n); - return; + ret = os_read_file(fd, &remain, sizeof(remain)); + + if (ret != sizeof(remain)) { + expected = sizeof(remain); + str = "length"; + goto err; } while(remain != 0){ - n = (remain < len) ? remain : len; - actual = os_read_file(fd, output, n); - if(actual != n){ - printk("read_output - read of data failed, " - "err = %d\n", -actual); - return; + expected = (remain < len) ? remain : len; + ret = os_read_file(fd, output, expected); + if (ret != expected) { + str = "data"; + goto err; } - remain -= actual; + remain -= ret; } + return; + +err: + if (ret < 0) + printk("read_output - read of %s failed, errno = %d\n", str, -ret); + else + printk("read_output - read of %s failed, read only %d of %d bytes\n", str, ret, expected); } int net_read(int fd, void *buf, int len) diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 101efd26d467..fa617e0719ab 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -1135,7 +1135,7 @@ static int path_requires_switch(char *from_cmdline, char *from_cow, char *cow) static int backing_file_mismatch(char *file, __u64 size, time_t mtime) { unsigned long modtime; - long long actual; + unsigned long long actual; int err; err = os_file_modtime(file, &modtime); diff --git a/arch/um/include/init.h b/arch/um/include/init.h index cbd79a8d213d..d4de7c0120ce 100644 --- a/arch/um/include/init.h +++ b/arch/um/include/init.h @@ -122,7 +122,7 @@ extern struct uml_param __uml_setup_start, __uml_setup_end; #define __exitcall(fn) static exitcall_t __exitcall_##fn __exit_call = fn -#define __init_call __attribute__ ((unused,__section__ (".initcall.init"))) +#define __init_call __attribute_used__ __attribute__ ((__section__ (".initcall.init"))) #endif diff --git a/arch/um/include/os.h b/arch/um/include/os.h index eb1710b81255..2a1c64d8d0bf 100644 --- a/arch/um/include/os.h +++ b/arch/um/include/os.h @@ -179,8 +179,11 @@ extern void os_stop_process(int pid); extern void os_kill_process(int pid, int reap_child); extern void os_kill_ptraced_process(int pid, int reap_child); extern void os_usr1_process(int pid); +extern long os_ptrace_ldt(long pid, long addr, long data); + extern int os_getpid(void); extern int os_getpgrp(void); + extern void init_new_thread_stack(void *sig_stack, void (*usr1_handler)(int)); extern void init_new_thread_signals(int altstack); extern int run_kernel_thread(int (*fn)(void *), void *arg, void **jmp_ptr); diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c index f55773c819e6..3bd10deea280 100644 --- a/arch/um/os-Linux/file.c +++ b/arch/um/os-Linux/file.c @@ -272,14 +272,23 @@ int os_connect_socket(char *name) snprintf(sock.sun_path, sizeof(sock.sun_path), "%s", name); fd = socket(AF_UNIX, SOCK_STREAM, 0); - if(fd < 0) - return(fd); + if(fd < 0) { + err = -errno; + goto out; + } err = connect(fd, (struct sockaddr *) &sock, sizeof(sock)); - if(err) - return(-errno); + if(err) { + err = -errno; + goto out_close; + } - return(fd); + return fd; + +out_close: + close(fd); +out: + return err; } void os_close_file(int fd) diff --git a/arch/um/os-Linux/process.c b/arch/um/os-Linux/process.c index 7f5e2dac2a35..d261888f39c4 100644 --- a/arch/um/os-Linux/process.c +++ b/arch/um/os-Linux/process.c @@ -19,6 +19,7 @@ #include "irq_user.h" #include "kern_util.h" #include "longjmp.h" +#include "skas_ptrace.h" #define ARBITRARY_ADDR -1 #define FAILURE_PID -1 @@ -100,6 +101,21 @@ void os_kill_process(int pid, int reap_child) } +/* This is here uniquely to have access to the userspace errno, i.e. the one + * used by ptrace in case of error. + */ + +long os_ptrace_ldt(long pid, long addr, long data) +{ + int ret; + + ret = ptrace(PTRACE_LDT, pid, addr, data); + + if (ret < 0) + return -errno; + return ret; +} + /* Kill off a ptraced child by all means available. kill it normally first, * then PTRACE_KILL it, then PTRACE_CONT it in case it's in a run state from * which it can't exit directly. diff --git a/arch/um/sys-i386/ldt.c b/arch/um/sys-i386/ldt.c index 1fa09a79a10b..fe0877b3509c 100644 --- a/arch/um/sys-i386/ldt.c +++ b/arch/um/sys-i386/ldt.c @@ -107,7 +107,7 @@ long write_ldt_entry(struct mm_id * mm_idp, int func, struct user_desc * desc, * So we need to switch child's mm into our userspace, then * later switch back. * - * Note: I'm unshure: should interrupts be disabled here? + * Note: I'm unsure: should interrupts be disabled here? */ if(!current->active_mm || current->active_mm == &init_mm || mm_idp != ¤t->active_mm->context.skas.id) @@ -129,9 +129,7 @@ long write_ldt_entry(struct mm_id * mm_idp, int func, struct user_desc * desc, pid = userspace_pid[cpu]; } - res = ptrace(PTRACE_LDT, pid, 0, (unsigned long) &ldt_op); - if(res) - res = errno; + res = os_ptrace_ldt(pid, 0, (unsigned long) &ldt_op); if(proc_mm) put_cpu(); @@ -181,8 +179,7 @@ static long read_ldt_from_host(void __user * ptr, unsigned long bytecount) */ cpu = get_cpu(); - res = ptrace(PTRACE_LDT, userspace_pid[cpu], 0, - (unsigned long) &ptrace_ldt); + res = os_ptrace_ldt(userspace_pid[cpu], 0, (unsigned long) &ptrace_ldt); put_cpu(); if(res < 0) goto out; diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig index 2f9deca31cc9..e18eb79bf855 100644 --- a/arch/x86_64/Kconfig +++ b/arch/x86_64/Kconfig @@ -354,21 +354,6 @@ config HPET_TIMER as it is off-chip. You can find the HPET spec at <http://www.intel.com/hardwaredesign/hpetspec.htm>. -config X86_PM_TIMER - bool "PM timer" if EMBEDDED - depends on ACPI - default y - help - Support the ACPI PM timer for time keeping. This is slow, - but is useful on some chipsets without HPET on systems with more - than one CPU. On a single processor or single socket multi core - system it is normally not required. - When the PM timer is active 64bit vsyscalls are disabled - and should not be enabled (/proc/sys/kernel/vsyscall64 should - not be changed). - The kernel selects the PM timer only as a last resort, so it is - useful to enable just in case. - config HPET_EMULATE_RTC bool "Provide RTC interrupt" depends on HPET_TIMER && RTC=y @@ -592,6 +577,7 @@ source "arch/x86_64/oprofile/Kconfig" config KPROBES bool "Kprobes (EXPERIMENTAL)" + depends on EXPERIMENTAL && MODULES help Kprobes allows you to trap at almost any kernel address and execute a callback function. register_kprobe() establishes diff --git a/arch/x86_64/defconfig b/arch/x86_64/defconfig index 56832929a543..ce4de61ed85d 100644 --- a/arch/x86_64/defconfig +++ b/arch/x86_64/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.16-rc1-git2 -# Thu Jan 19 10:05:21 2006 +# Linux kernel version: 2.6.16-rc3-git9 +# Sat Feb 18 00:27:03 2006 # CONFIG_X86_64=y CONFIG_64BIT=y @@ -21,7 +21,6 @@ CONFIG_DMI=y # Code maturity level options # CONFIG_EXPERIMENTAL=y -CONFIG_CLEAN_COMPILE=y CONFIG_LOCK_KERNEL=y CONFIG_INIT_ENV_ARG_LIMIT=32 @@ -267,6 +266,7 @@ CONFIG_NET=y # # Networking options # +# CONFIG_NETDEBUG is not set CONFIG_PACKET=y # CONFIG_PACKET_MMAP is not set CONFIG_UNIX=y @@ -446,7 +446,6 @@ CONFIG_BLK_DEV_PIIX=y # CONFIG_BLK_DEV_NS87415 is not set # CONFIG_BLK_DEV_PDC202XX_OLD is not set CONFIG_BLK_DEV_PDC202XX_NEW=y -# CONFIG_PDC202XX_FORCE is not set # CONFIG_BLK_DEV_SVWKS is not set # CONFIG_BLK_DEV_SIIMAGE is not set # CONFIG_BLK_DEV_SIS5513 is not set @@ -573,7 +572,33 @@ CONFIG_FUSION_MAX_SGE=128 # # IEEE 1394 (FireWire) support # -# CONFIG_IEEE1394 is not set +CONFIG_IEEE1394=y + +# +# Subsystem Options +# +# CONFIG_IEEE1394_VERBOSEDEBUG is not set +# CONFIG_IEEE1394_OUI_DB is not set +# CONFIG_IEEE1394_EXTRA_CONFIG_ROMS is not set +# CONFIG_IEEE1394_EXPORT_FULL_API is not set + +# +# Device Drivers +# + +# +# Texas Instruments PCILynx requires I2C +# +CONFIG_IEEE1394_OHCI1394=y + +# +# Protocol Drivers +# +# CONFIG_IEEE1394_VIDEO1394 is not set +# CONFIG_IEEE1394_SBP2 is not set +# CONFIG_IEEE1394_ETH1394 is not set +# CONFIG_IEEE1394_DV1394 is not set +CONFIG_IEEE1394_RAWIO=y # # I2O device support @@ -772,6 +797,7 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=4 # CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_JSM is not set CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 @@ -871,6 +897,7 @@ CONFIG_HPET_MMAP=y # CONFIG_HWMON=y # CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_F71805F is not set # CONFIG_SENSORS_HDAPS is not set # CONFIG_HWMON_DEBUG_CHIP is not set @@ -1101,7 +1128,6 @@ CONFIG_USB_MON=y # EDAC - error detection and reporting (RAS) # # CONFIG_EDAC is not set -# CONFIG_EDAC_POLL is not set # # Firmware Drivers @@ -1296,9 +1322,7 @@ CONFIG_DEBUG_FS=y # CONFIG_DEBUG_VM is not set # CONFIG_FRAME_POINTER is not set # CONFIG_FORCED_INLINING is not set -# CONFIG_UNWIND_INFO is not set # CONFIG_RCU_TORTURE_TEST is not set -CONFIG_INIT_DEBUG=y # CONFIG_DEBUG_RODATA is not set # CONFIG_IOMMU_DEBUG is not set diff --git a/arch/x86_64/kernel/Makefile b/arch/x86_64/kernel/Makefile index 72fe60c20d39..a098a11e7755 100644 --- a/arch/x86_64/kernel/Makefile +++ b/arch/x86_64/kernel/Makefile @@ -43,7 +43,7 @@ CFLAGS_vsyscall.o := $(PROFILING) -g0 bootflag-y += ../../i386/kernel/bootflag.o cpuid-$(subst m,y,$(CONFIG_X86_CPUID)) += ../../i386/kernel/cpuid.o -topology-y += ../../i386/mach-default/topology.o +topology-y += ../../i386/kernel/topology.o microcode-$(subst m,y,$(CONFIG_MICROCODE)) += ../../i386/kernel/microcode.o intel_cacheinfo-y += ../../i386/kernel/cpu/intel_cacheinfo.o quirks-y += ../../i386/kernel/quirks.o diff --git a/arch/x86_64/kernel/aperture.c b/arch/x86_64/kernel/aperture.c index e4e2b7d01f89..a0f955b9995f 100644 --- a/arch/x86_64/kernel/aperture.c +++ b/arch/x86_64/kernel/aperture.c @@ -248,7 +248,7 @@ void __init iommu_hole_init(void) /* Got the aperture from the AGP bridge */ } else if (swiotlb && !valid_agp) { /* Do nothing */ - } else if ((!no_iommu && end_pfn >= MAX_DMA32_PFN) || + } else if ((!no_iommu && end_pfn > MAX_DMA32_PFN) || force_iommu || valid_agp || fallback_aper_force) { diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c index 7a0a3e8d5d72..d70605eda333 100644 --- a/arch/x86_64/kernel/apic.c +++ b/arch/x86_64/kernel/apic.c @@ -962,12 +962,14 @@ void smp_apic_timer_interrupt(struct pt_regs *regs) irq_exit(); } +int __initdata unsync_tsc_on_multicluster; + /* * oem_force_hpet_timer -- force HPET mode for some boxes. * * Thus far, the major user of this is IBM's Summit2 series: * - * Clustered boxes may have unsynced TSC problems if they are + * Some clustered boxes may have unsynced TSC problems if they are * multi-chassis. Use available data to take a good guess. * If in doubt, go HPET. */ @@ -977,6 +979,11 @@ __cpuinit int oem_force_hpet_timer(void) unsigned id; DECLARE_BITMAP(clustermap, NUM_APIC_CLUSTERS); + /* Only do this check on IBM machines - big Unisys systems + use multiple clusters too, but have synchronized TSC */ + if (!unsync_tsc_on_multicluster) + return 0; + bitmap_zero(clustermap, NUM_APIC_CLUSTERS); for (i = 0; i < NR_CPUS; i++) { @@ -1152,6 +1159,7 @@ __setup("noapicmaintimer", setup_noapicmaintimer); static __init int setup_apicpmtimer(char *s) { apic_calibrate_pmtmr = 1; + notsc_setup(NULL); return setup_apicmaintimer(NULL); } __setup("apicpmtimer", setup_apicpmtimer); diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S index b150c87a08c6..7c10e9009d61 100644 --- a/arch/x86_64/kernel/entry.S +++ b/arch/x86_64/kernel/entry.S @@ -554,6 +554,7 @@ iret_label: /* running with kernel gs */ bad_iret: movq $-9999,%rdi /* better code? */ + sti jmp do_exit .previous diff --git a/arch/x86_64/kernel/head.S b/arch/x86_64/kernel/head.S index 692c737feddb..02fc7fa0ea28 100644 --- a/arch/x86_64/kernel/head.S +++ b/arch/x86_64/kernel/head.S @@ -213,6 +213,11 @@ ENTRY(early_idt_handler) cmpl $2,early_recursion_flag(%rip) jz 1f call dump_stack +#ifdef CONFIG_KALLSYMS + leaq early_idt_ripmsg(%rip),%rdi + movq 8(%rsp),%rsi # get rip again + call __print_symbol +#endif 1: hlt jmp 1b early_recursion_flag: @@ -220,6 +225,8 @@ early_recursion_flag: early_idt_msg: .asciz "PANIC: early exception rip %lx error %lx cr2 %lx\n" +early_idt_ripmsg: + .asciz "RIP %s\n" .code32 ENTRY(no_long_mode) diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c index 4282d72b2a26..ffed464e6b12 100644 --- a/arch/x86_64/kernel/io_apic.c +++ b/arch/x86_64/kernel/io_apic.c @@ -30,6 +30,9 @@ #include <linux/mc146818rtc.h> #include <linux/acpi.h> #include <linux/sysdev.h> +#ifdef CONFIG_ACPI +#include <acpi/acpi_bus.h> +#endif #include <asm/io.h> #include <asm/smp.h> @@ -47,6 +50,8 @@ static int no_timer_check; int disable_timer_pin_1 __initdata; +int timer_over_8254 __initdata = 1; + /* Where if anywhere is the i8259 connect in external int mode */ static struct { int pin, apic; } ioapic_i8259 = { -1, -1 }; @@ -248,6 +253,20 @@ static int __init enable_ioapic_setup(char *str) __setup("noapic", disable_ioapic_setup); __setup("apic", enable_ioapic_setup); +static int __init setup_disable_8254_timer(char *s) +{ + timer_over_8254 = -1; + return 1; +} +static int __init setup_enable_8254_timer(char *s) +{ + timer_over_8254 = 2; + return 1; +} + +__setup("disable_8254_timer", setup_disable_8254_timer); +__setup("enable_8254_timer", setup_enable_8254_timer); + #include <asm/pci-direct.h> #include <linux/pci_ids.h> #include <linux/pci.h> @@ -260,6 +279,8 @@ __setup("apic", enable_ioapic_setup); And another hack to disable the IOMMU on VIA chipsets. + ... and others. Really should move this somewhere else. + Kludge-O-Rama. */ void __init check_ioapic(void) { @@ -304,16 +325,20 @@ void __init check_ioapic(void) #endif /* RED-PEN skip them on mptables too? */ return; + + /* This should be actually default, but + for 2.6.16 let's do it for ATI only where + it's really needed. */ case PCI_VENDOR_ID_ATI: - if (apic_runs_main_timer != 0) - break; + if (timer_over_8254 == 1) { + timer_over_8254 = 0; printk(KERN_INFO - "ATI board detected. Using APIC/PM timer.\n"); - apic_runs_main_timer = 1; - nohpet = 1; + "ATI board detected. Disabling timer routing over 8254.\n"); + } return; } + /* No multi-function device? */ type = read_pci_config_byte(num,slot,func, PCI_HEADER_TYPE); @@ -1757,6 +1782,8 @@ static inline void unlock_ExtINT_logic(void) * a wide range of boards and BIOS bugs. Fortunately only the timer IRQ * is so screwy. Thanks to Brian Perkins for testing/hacking this beast * fanatically on his truly buggy board. + * + * FIXME: really need to revamp this for modern platforms only. */ static inline void check_timer(void) { @@ -1779,7 +1806,8 @@ static inline void check_timer(void) */ apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT); init_8259A(1); - enable_8259A_irq(0); + if (timer_over_8254 > 0) + enable_8259A_irq(0); pin1 = find_isa_irq_pin(0, mp_INT); apic1 = find_isa_irq_apic(0, mp_INT); @@ -1834,7 +1862,7 @@ static inline void check_timer(void) } printk(" failed.\n"); - if (nmi_watchdog) { + if (nmi_watchdog == NMI_IO_APIC) { printk(KERN_WARNING "timer doesn't work through the IO-APIC - disabling NMI Watchdog!\n"); nmi_watchdog = 0; } diff --git a/arch/x86_64/kernel/mpparse.c b/arch/x86_64/kernel/mpparse.c index dc49bfb6db0a..9013a90b5c2e 100644 --- a/arch/x86_64/kernel/mpparse.c +++ b/arch/x86_64/kernel/mpparse.c @@ -288,9 +288,9 @@ static int __init smp_read_mpc(struct mp_config_table *mpc) memcpy(str,mpc->mpc_productid,12); str[12]=0; - printk(KERN_INFO "Product ID: %s ",str); + printk("Product ID: %s ",str); - printk(KERN_INFO "APIC at: 0x%X\n",mpc->mpc_lapic); + printk("APIC at: 0x%X\n",mpc->mpc_lapic); /* save the local APIC address, it might be non-default */ if (!acpi_lapic) diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c index 8be407a1f62d..5bf17e41cd2d 100644 --- a/arch/x86_64/kernel/nmi.c +++ b/arch/x86_64/kernel/nmi.c @@ -236,6 +236,7 @@ static void enable_lapic_nmi_watchdog(void) { if (nmi_active < 0) { nmi_watchdog = NMI_LOCAL_APIC; + touch_nmi_watchdog(); setup_apic_nmi_watchdog(); } } @@ -456,15 +457,17 @@ static DEFINE_PER_CPU(int, nmi_touch); void touch_nmi_watchdog (void) { - int i; + if (nmi_watchdog > 0) { + unsigned cpu; - /* - * Tell other CPUs to reset their alert counters. We cannot - * do it ourselves because the alert count increase is not - * atomic. - */ - for (i = 0; i < NR_CPUS; i++) - per_cpu(nmi_touch, i) = 1; + /* + * Tell other CPUs to reset their alert counters. We cannot + * do it ourselves because the alert count increase is not + * atomic. + */ + for_each_present_cpu (cpu) + per_cpu(nmi_touch, cpu) = 1; + } touch_softlockup_watchdog(); } diff --git a/arch/x86_64/kernel/pci-gart.c b/arch/x86_64/kernel/pci-gart.c index dd0718dc178b..0c3f052ba6ce 100644 --- a/arch/x86_64/kernel/pci-gart.c +++ b/arch/x86_64/kernel/pci-gart.c @@ -228,11 +228,6 @@ static inline int need_iommu(struct device *dev, unsigned long addr, size_t size int mmu = high; if (force_iommu) mmu = 1; - if (no_iommu) { - if (high) - panic("PCI-DMA: high address but no IOMMU.\n"); - mmu = 0; - } return mmu; } @@ -241,11 +236,6 @@ static inline int nonforced_iommu(struct device *dev, unsigned long addr, size_t u64 mask = *dev->dma_mask; int high = addr + size >= mask; int mmu = high; - if (no_iommu) { - if (high) - panic("PCI-DMA: high address but no IOMMU.\n"); - mmu = 0; - } return mmu; } @@ -310,7 +300,7 @@ void gart_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, int di for (i = 0; i < nents; i++) { struct scatterlist *s = &sg[i]; - if (!s->dma_length) + if (!s->dma_length || !s->length) break; dma_unmap_single(dev, s->dma_address, s->dma_length, dir); } @@ -364,6 +354,7 @@ static int __dma_map_cont(struct scatterlist *sg, int start, int stopat, BUG_ON(i > start && s->offset); if (i == start) { + *sout = *s; sout->dma_address = iommu_bus_base; sout->dma_address += iommu_page*PAGE_SIZE + s->offset; sout->dma_length = s->length; @@ -390,6 +381,7 @@ static inline int dma_map_cont(struct scatterlist *sg, int start, int stopat, { if (!need) { BUG_ON(stopat - start != 1); + *sout = sg[start]; sout->dma_length = sg[start].length; return 0; } @@ -632,17 +624,13 @@ static int __init pci_iommu_init(void) (agp_copy_info(agp_bridge, &info) < 0); #endif - if (swiotlb) { - no_iommu = 1; + if (swiotlb) return -1; - } - + if (no_iommu || (!force_iommu && end_pfn <= MAX_DMA32_PFN) || !iommu_aperture || (no_agp && init_k8_gatt(&info) < 0)) { - no_iommu = 1; - no_iommu_init(); printk(KERN_INFO "PCI-DMA: Disabling IOMMU.\n"); if (end_pfn > MAX_DMA32_PFN) { printk(KERN_ERR "WARNING more than 4GB of memory " diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c index 9435ab7d6fb8..aa55e3cec665 100644 --- a/arch/x86_64/kernel/setup.c +++ b/arch/x86_64/kernel/setup.c @@ -423,6 +423,12 @@ static __init void parse_cmdline_early (char ** cmdline_p) else if(!memcmp(from, "elfcorehdr=", 11)) elfcorehdr_addr = memparse(from+11, &from); #endif + +#ifdef CONFIG_HOTPLUG_CPU + else if (!memcmp(from, "additional_cpus=", 16)) + setup_additional_cpus(from+16); +#endif + next_char: c = *(from++); if (!c) diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c index 67e4e28f4df8..66e98659d077 100644 --- a/arch/x86_64/kernel/smpboot.c +++ b/arch/x86_64/kernel/smpboot.c @@ -1152,8 +1152,6 @@ void __init smp_cpus_done(unsigned int max_cpus) setup_ioapic_dest(); #endif - time_init_gtod(); - check_nmi_watchdog(); } @@ -1244,7 +1242,7 @@ void __cpu_die(unsigned int cpu) printk(KERN_ERR "CPU %u didn't die...\n", cpu); } -static __init int setup_additional_cpus(char *s) +__init int setup_additional_cpus(char *s) { return get_option(&s, &additional_cpus); } diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index 3c58c30506a1..3080f84bf7b7 100644 --- a/arch/x86_64/kernel/time.c +++ b/arch/x86_64/kernel/time.c @@ -48,6 +48,8 @@ static void cpufreq_delayed_get(void); extern void i8254_timer_resume(void); extern int using_apic_timer; +static char *time_init_gtod(void); + DEFINE_SPINLOCK(rtc_lock); DEFINE_SPINLOCK(i8253_lock); @@ -901,6 +903,7 @@ static struct irqaction irq0 = { void __init time_init(void) { char *timename; + char *gtod; #ifdef HPET_HACK_ENABLE_DANGEROUS if (!vxtime.hpet_address) { @@ -945,21 +948,19 @@ void __init time_init(void) timename = "PIT"; } - printk(KERN_INFO "time.c: Using %ld.%06ld MHz %s timer.\n", - vxtime_hz / 1000000, vxtime_hz % 1000000, timename); + vxtime.mode = VXTIME_TSC; + gtod = time_init_gtod(); + + printk(KERN_INFO "time.c: Using %ld.%06ld MHz WALL %s GTOD %s timer.\n", + vxtime_hz / 1000000, vxtime_hz % 1000000, timename, gtod); printk(KERN_INFO "time.c: Detected %d.%03d MHz processor.\n", cpu_khz / 1000, cpu_khz % 1000); - vxtime.mode = VXTIME_TSC; vxtime.quot = (1000000L << 32) / vxtime_hz; vxtime.tsc_quot = (1000L << 32) / cpu_khz; vxtime.last_tsc = get_cycles_sync(); setup_irq(0, &irq0); set_cyc2ns_scale(cpu_khz); - -#ifndef CONFIG_SMP - time_init_gtod(); -#endif } /* @@ -981,9 +982,9 @@ __cpuinit int unsynchronized_tsc(void) } /* - * Decide after all CPUs are booted what mode gettimeofday should use. + * Decide what mode gettimeofday should use. */ -void __init time_init_gtod(void) +__init static char *time_init_gtod(void) { char *timetype; @@ -1011,8 +1012,7 @@ void __init time_init_gtod(void) timetype = hpet_use_timer ? "HPET/TSC" : "PIT/TSC"; vxtime.mode = VXTIME_TSC; } - - printk(KERN_INFO "time.c: Using %s based timekeeping.\n", timetype); + return timetype; } __setup("report_lost_ticks", time_setup); @@ -1327,8 +1327,7 @@ static int __init nohpet_setup(char *s) __setup("nohpet", nohpet_setup); - -static int __init notsc_setup(char *s) +int __init notsc_setup(char *s) { notsc = 1; return 0; diff --git a/arch/x86_64/mm/k8topology.c b/arch/x86_64/mm/k8topology.c index a5663e0bb01c..dd60e71fdba6 100644 --- a/arch/x86_64/mm/k8topology.c +++ b/arch/x86_64/mm/k8topology.c @@ -155,7 +155,7 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end) if (!found) return -1; - memnode_shift = compute_hash_shift(nodes, numnodes); + memnode_shift = compute_hash_shift(nodes, 8); if (memnode_shift < 0) { printk(KERN_ERR "No NUMA node hash function found. Contact maintainer\n"); return -1; diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c index cd25300726fc..482c25767369 100644 --- a/arch/x86_64/mm/srat.c +++ b/arch/x86_64/mm/srat.c @@ -228,7 +228,8 @@ static int nodes_cover_memory(void) } e820ram = end_pfn - e820_hole_size(0, end_pfn); - if (pxmram < e820ram) { + /* We seem to lose 3 pages somewhere. Allow a bit of slack. */ + if ((long)(e820ram - pxmram) >= 1*1024*1024) { printk(KERN_ERR "SRAT: PXMs only cover %luMB of your %luMB e820 RAM. Not used.\n", (pxmram << PAGE_SHIFT) >> 20, @@ -270,7 +271,7 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end) return -1; } - memnode_shift = compute_hash_shift(nodes, nodes_weight(nodes_parsed)); + memnode_shift = compute_hash_shift(nodes, MAX_NUMNODES); if (memnode_shift < 0) { printk(KERN_ERR "SRAT: No NUMA node hash function found. Contact maintainer\n"); diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 0cce28c4025b..33e2ca847a26 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -247,7 +247,7 @@ config ACPI_CUSTOM_DSDT_FILE Enter the full path name to the file wich includes the AmlCode declaration. config ACPI_BLACKLIST_YEAR - int "Disable ACPI for systems before Jan 1st this year" if X86 + int "Disable ACPI for systems before Jan 1st this year" if X86_32 default 0 help enter a 4-digit year, eg. 2001 to disable ACPI by default @@ -285,9 +285,8 @@ config ACPI_SYSTEM dump your ACPI DSDT table using /proc/acpi/dsdt. config X86_PM_TIMER - bool "Power Management Timer Support" + bool "Power Management Timer Support" if EMBEDDED depends on X86 - depends on !X86_64 default y help The Power Management Timer is available on all ACPI-capable, @@ -298,9 +297,8 @@ config X86_PM_TIMER voltage scaling, unlike the commonly used Time Stamp Counter (TSC) timing source. - So, if you see messages like 'Losing too many ticks!' in the - kernel logs, and/or you are using this on a notebook which - does not yet have an HPET, you should say "Y" here. + You should nearly always say Y here because many modern + systems require this timer. config ACPI_CONTAINER tristate "ACPI0004,PNP0A05 and PNP0A06 Container Driver (EXPERIMENTAL)" diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c index 7d6481d9fbec..4038dbfa63a0 100644 --- a/drivers/acpi/resources/rscalc.c +++ b/drivers/acpi/resources/rscalc.c @@ -391,8 +391,7 @@ acpi_rs_get_list_length(u8 * aml_buffer, * Ensure a 32-bit boundary for the structure */ extra_struct_bytes = - ACPI_ROUND_UP_to_32_bITS(resource_length) - - resource_length; + ACPI_ROUND_UP_to_32_bITS(resource_length); break; case ACPI_RESOURCE_NAME_END_TAG: @@ -408,8 +407,7 @@ acpi_rs_get_list_length(u8 * aml_buffer, * Add vendor data and ensure a 32-bit boundary for the structure */ extra_struct_bytes = - ACPI_ROUND_UP_to_32_bITS(resource_length) - - resource_length; + ACPI_ROUND_UP_to_32_bITS(resource_length); break; case ACPI_RESOURCE_NAME_ADDRESS32: diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 93e44d0292ab..bc9b2bcd7dba 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -58,6 +58,7 @@ #include <linux/suspend.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_ioctl.h> +#include <scsi/scsi.h> #include <asm/uaccess.h> @@ -380,6 +381,7 @@ static int pkt_generic_packet(struct pktcdvd_device *pd, struct packet_command * memcpy(rq->cmd, cgc->cmd, CDROM_PACKET_SIZE); if (sizeof(rq->cmd) > CDROM_PACKET_SIZE) memset(rq->cmd + CDROM_PACKET_SIZE, 0, sizeof(rq->cmd) - CDROM_PACKET_SIZE); + rq->cmd_len = COMMAND_SIZE(rq->cmd[0]); rq->ref_count++; rq->flags |= REQ_NOMERGE; @@ -1495,40 +1497,42 @@ static int pkt_set_write_settings(struct pktcdvd_device *pd) } /* - * 0 -- we can write to this track, 1 -- we can't + * 1 -- we can write to this track, 0 -- we can't */ -static int pkt_good_track(track_information *ti) +static int pkt_writable_track(struct pktcdvd_device *pd, track_information *ti) { - /* - * only good for CD-RW at the moment, not DVD-RW - */ + switch (pd->mmc3_profile) { + case 0x1a: /* DVD+RW */ + case 0x12: /* DVD-RAM */ + /* The track is always writable on DVD+RW/DVD-RAM */ + return 1; + default: + break; + } - /* - * FIXME: only for FP - */ - if (ti->fp == 0) + if (!ti->packet || !ti->fp) return 0; /* * "good" settings as per Mt Fuji. */ - if (ti->rt == 0 && ti->blank == 0 && ti->packet == 1) - return 0; + if (ti->rt == 0 && ti->blank == 0) + return 1; - if (ti->rt == 0 && ti->blank == 1 && ti->packet == 1) - return 0; + if (ti->rt == 0 && ti->blank == 1) + return 1; - if (ti->rt == 1 && ti->blank == 0 && ti->packet == 1) - return 0; + if (ti->rt == 1 && ti->blank == 0) + return 1; printk("pktcdvd: bad state %d-%d-%d\n", ti->rt, ti->blank, ti->packet); - return 1; + return 0; } /* - * 0 -- we can write to this disc, 1 -- we can't + * 1 -- we can write to this disc, 0 -- we can't */ -static int pkt_good_disc(struct pktcdvd_device *pd, disc_information *di) +static int pkt_writable_disc(struct pktcdvd_device *pd, disc_information *di) { switch (pd->mmc3_profile) { case 0x0a: /* CD-RW */ @@ -1537,10 +1541,10 @@ static int pkt_good_disc(struct pktcdvd_device *pd, disc_information *di) case 0x1a: /* DVD+RW */ case 0x13: /* DVD-RW */ case 0x12: /* DVD-RAM */ - return 0; + return 1; default: VPRINTK("pktcdvd: Wrong disc profile (%x)\n", pd->mmc3_profile); - return 1; + return 0; } /* @@ -1549,25 +1553,25 @@ static int pkt_good_disc(struct pktcdvd_device *pd, disc_information *di) */ if (di->disc_type == 0xff) { printk("pktcdvd: Unknown disc. No track?\n"); - return 1; + return 0; } if (di->disc_type != 0x20 && di->disc_type != 0) { printk("pktcdvd: Wrong disc type (%x)\n", di->disc_type); - return 1; + return 0; } if (di->erasable == 0) { printk("pktcdvd: Disc not erasable\n"); - return 1; + return 0; } if (di->border_status == PACKET_SESSION_RESERVED) { printk("pktcdvd: Can't write to last track (reserved)\n"); - return 1; + return 0; } - return 0; + return 1; } static int pkt_probe_settings(struct pktcdvd_device *pd) @@ -1592,23 +1596,9 @@ static int pkt_probe_settings(struct pktcdvd_device *pd) return ret; } - if (pkt_good_disc(pd, &di)) - return -ENXIO; + if (!pkt_writable_disc(pd, &di)) + return -EROFS; - switch (pd->mmc3_profile) { - case 0x1a: /* DVD+RW */ - printk("pktcdvd: inserted media is DVD+RW\n"); - break; - case 0x13: /* DVD-RW */ - printk("pktcdvd: inserted media is DVD-RW\n"); - break; - case 0x12: /* DVD-RAM */ - printk("pktcdvd: inserted media is DVD-RAM\n"); - break; - default: - printk("pktcdvd: inserted media is CD-R%s\n", di.erasable ? "W" : ""); - break; - } pd->type = di.erasable ? PACKET_CDRW : PACKET_CDR; track = 1; /* (di.last_track_msb << 8) | di.last_track_lsb; */ @@ -1617,9 +1607,9 @@ static int pkt_probe_settings(struct pktcdvd_device *pd) return ret; } - if (pkt_good_track(&ti)) { + if (!pkt_writable_track(pd, &ti)) { printk("pktcdvd: can't write to this track\n"); - return -ENXIO; + return -EROFS; } /* @@ -1633,7 +1623,7 @@ static int pkt_probe_settings(struct pktcdvd_device *pd) } if (pd->settings.size > PACKET_MAX_SECTORS) { printk("pktcdvd: packet size is too big\n"); - return -ENXIO; + return -EROFS; } pd->settings.fp = ti.fp; pd->offset = (be32_to_cpu(ti.track_start) << 2) & (pd->settings.size - 1); @@ -1675,7 +1665,7 @@ static int pkt_probe_settings(struct pktcdvd_device *pd) break; default: printk("pktcdvd: unknown data mode\n"); - return 1; + return -EROFS; } return 0; } @@ -1886,7 +1876,7 @@ static int pkt_open_write(struct pktcdvd_device *pd) if ((ret = pkt_probe_settings(pd))) { VPRINTK("pktcdvd: %s failed probe\n", pd->name); - return -EROFS; + return ret; } if ((ret = pkt_set_write_settings(pd))) { diff --git a/drivers/char/agp/Kconfig b/drivers/char/agp/Kconfig index 486ed8a11b59..a4d425d2dce2 100644 --- a/drivers/char/agp/Kconfig +++ b/drivers/char/agp/Kconfig @@ -15,22 +15,23 @@ config AGP due to kernel allocation issues), you could use PCI accesses and have up to a couple gigs of texture space. - Note that this is the only means to have XFree4/GLX use + Note that this is the only means to have X/GLX use write-combining with MTRR support on the AGP bus. Without it, OpenGL direct rendering will be a lot slower but still faster than PIO. - You should say Y here if you use XFree86 3.3.6 or 4.x and want to - use GLX or DRI. If unsure, say N. - To compile this driver as a module, choose M here: the module will be called agpgart. + You should say Y here if you want to use GLX or DRI. + + If unsure, say N. + config AGP_ALI tristate "ALI chipset support" depends on AGP && X86_32 ---help--- This option gives you AGP support for the GLX component of - XFree86 4.x on the following ALi chipsets. The supported chipsets + X on the following ALi chipsets. The supported chipsets include M1541, M1621, M1631, M1632, M1641,M1647,and M1651. For the ALi-chipset question, ALi suggests you refer to <http://www.ali.com.tw/eng/support/index.shtml>. @@ -40,28 +41,19 @@ config AGP_ALI timing issues, this chipset cannot do AGP 2x with the G200. This is a hardware limitation. AGP 1x seems to be fine, though. - You should say Y here if you use XFree86 3.3.6 or 4.x and want to - use GLX or DRI. If unsure, say N. - config AGP_ATI tristate "ATI chipset support" depends on AGP && X86_32 ---help--- - This option gives you AGP support for the GLX component of - XFree86 4.x on the ATI RadeonIGP family of chipsets. - - You should say Y here if you use XFree86 3.3.6 or 4.x and want to - use GLX or DRI. If unsure, say N. + This option gives you AGP support for the GLX component of + X on the ATI RadeonIGP family of chipsets. config AGP_AMD tristate "AMD Irongate, 761, and 762 chipset support" depends on AGP && X86_32 help This option gives you AGP support for the GLX component of - XFree86 4.x on AMD Irongate, 761, and 762 chipsets. - - You should say Y here if you use XFree86 3.3.6 or 4.x and want to - use GLX or DRI. If unsure, say N. + X on AMD Irongate, 761, and 762 chipsets. config AGP_AMD64 tristate "AMD Opteron/Athlon64 on-CPU GART support" if !GART_IOMMU @@ -69,45 +61,38 @@ config AGP_AMD64 default y if GART_IOMMU help This option gives you AGP support for the GLX component of - XFree86 4.x using the on-CPU northbridge of the AMD Athlon64/Opteron CPUs. + X using the on-CPU northbridge of the AMD Athlon64/Opteron CPUs. You still need an external AGP bridge like the AMD 8151, VIA K8T400M, SiS755. It may also support other AGP bridges when loaded with agp_try_unsupported=1. - You should say Y here if you use XFree86 3.3.6 or 4.x and want to - use GLX or DRI. If unsure, say Y config AGP_INTEL tristate "Intel 440LX/BX/GX, I8xx and E7x05 chipset support" depends on AGP && X86 help - This option gives you AGP support for the GLX component of XFree86 4.x + This option gives you AGP support for the GLX component of X on Intel 440LX/BX/GX, 815, 820, 830, 840, 845, 850, 860, 875, - E7205 and E7505 chipsets and full support for the 810, 815, 830M, 845G, - 852GM, 855GM, 865G and I915 integrated graphics chipsets. + E7205 and E7505 chipsets and full support for the 810, 815, 830M, + 845G, 852GM, 855GM, 865G and I915 integrated graphics chipsets. + - You should say Y here if you use XFree86 3.3.6 or 4.x and want to - use GLX or DRI, or if you have any Intel integrated graphics - chipsets. If unsure, say Y. config AGP_NVIDIA tristate "NVIDIA nForce/nForce2 chipset support" depends on AGP && X86_32 help This option gives you AGP support for the GLX component of - XFree86 4.x on the following NVIDIA chipsets. The supported chipsets - include nForce and nForce2 + X on NVIDIA chipsets including nForce and nForce2 config AGP_SIS tristate "SiS chipset support" depends on AGP && X86_32 help This option gives you AGP support for the GLX component of - XFree86 4.x on Silicon Integrated Systems [SiS] chipsets. + X on Silicon Integrated Systems [SiS] chipsets. Note that 5591/5592 AGP chipsets are NOT supported. - You should say Y here if you use XFree86 3.3.6 or 4.x and want to - use GLX or DRI. If unsure, say N. config AGP_SWORKS tristate "Serverworks LE/HE chipset support" @@ -121,10 +106,7 @@ config AGP_VIA depends on AGP && X86_32 help This option gives you AGP support for the GLX component of - XFree86 4.x on VIA MVP3/Apollo Pro chipsets. - - You should say Y here if you use XFree86 3.3.6 or 4.x and want to - use GLX or DRI. If unsure, say N. + X on VIA MVP3/Apollo Pro chipsets. config AGP_I460 tristate "Intel 460GX chipset support" @@ -159,9 +141,6 @@ config AGP_EFFICEON This option gives you AGP support for the Transmeta Efficeon series processors with integrated northbridges. - You should say Y here if you use XFree86 3.3.6 or 4.x and want to - use GLX or DRI. If unsure, say Y. - config AGP_SGI_TIOCA tristate "SGI TIO chipset AGP support" depends on AGP && (IA64_SGI_SN2 || IA64_GENERIC) diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c index 9964c508c111..1251b2515bbe 100644 --- a/drivers/char/agp/amd64-agp.c +++ b/drivers/char/agp/amd64-agp.c @@ -516,8 +516,10 @@ static int __devinit nforce3_agp_init(struct pci_dev *pdev) pci_read_config_dword (hammers[0], AMD64_GARTAPERTUREBASE, &apbase); /* if x86-64 aperture base is beyond 4G, exit here */ - if ( (apbase & 0x7fff) >> (32 - 25) ) - return -ENODEV; + if ( (apbase & 0x7fff) >> (32 - 25) ) { + printk(KERN_INFO PFX "aperture base > 4G\n"); + return -ENODEV; + } apbase = (apbase & 0x7fff) << 25; diff --git a/drivers/char/agp/sworks-agp.c b/drivers/char/agp/sworks-agp.c index 268f78d926d3..efef9999f1cf 100644 --- a/drivers/char/agp/sworks-agp.c +++ b/drivers/char/agp/sworks-agp.c @@ -468,9 +468,7 @@ static int __devinit agp_serverworks_probe(struct pci_dev *pdev, switch (pdev->device) { case 0x0006: - /* ServerWorks CNB20HE - Fail silently.*/ - printk (KERN_ERR PFX "Detected ServerWorks CNB20HE chipset: No AGP present.\n"); + printk (KERN_ERR PFX "ServerWorks CNB20HE is unsupported due to lack of documentation.\n"); return -ENODEV; case PCI_DEVICE_ID_SERVERWORKS_HE: diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c index a1381c61aa63..d3879ac9970f 100644 --- a/drivers/char/drm/i915_irq.c +++ b/drivers/char/drm/i915_irq.c @@ -202,10 +202,15 @@ void i915_driver_irq_postinstall(drm_device_t * dev) void i915_driver_irq_uninstall(drm_device_t * dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + u16 temp; + if (!dev_priv) return; I915_WRITE16(I915REG_HWSTAM, 0xffff); I915_WRITE16(I915REG_INT_MASK_R, 0xffff); I915_WRITE16(I915REG_INT_ENABLE_R, 0x0); + + temp = I915_READ16(I915REG_INT_IDENTITY_R); + I915_WRITE16(I915REG_INT_IDENTITY_R, temp); } diff --git a/drivers/char/drm/r300_cmdbuf.c b/drivers/char/drm/r300_cmdbuf.c index 291dbf4c8186..c08fa5076f05 100644 --- a/drivers/char/drm/r300_cmdbuf.c +++ b/drivers/char/drm/r300_cmdbuf.c @@ -161,6 +161,7 @@ void r300_init_reg_flags(void) ADD_RANGE(R300_VAP_PVS_CNTL_1, 3); ADD_RANGE(R300_GB_ENABLE, 1); ADD_RANGE(R300_GB_MSPOS0, 5); + ADD_RANGE(R300_TX_CNTL, 1); ADD_RANGE(R300_TX_ENABLE, 1); ADD_RANGE(0x4200, 4); ADD_RANGE(0x4214, 1); @@ -489,6 +490,50 @@ static __inline__ int r300_emit_3d_load_vbpntr(drm_radeon_private_t *dev_priv, return 0; } +static __inline__ int r300_emit_bitblt_multi(drm_radeon_private_t *dev_priv, + drm_radeon_kcmd_buffer_t *cmdbuf) +{ + u32 *cmd = (u32 *) cmdbuf->buf; + int count, ret; + RING_LOCALS; + + count=(cmd[0]>>16) & 0x3fff; + + if (cmd[0] & 0x8000) { + u32 offset; + + if (cmd[1] & (RADEON_GMC_SRC_PITCH_OFFSET_CNTL + | RADEON_GMC_DST_PITCH_OFFSET_CNTL)) { + offset = cmd[2] << 10; + ret = r300_check_offset(dev_priv, offset); + if (ret) { + DRM_ERROR("Invalid bitblt first offset is %08X\n", offset); + return DRM_ERR(EINVAL); + } + } + + if ((cmd[1] & RADEON_GMC_SRC_PITCH_OFFSET_CNTL) && + (cmd[1] & RADEON_GMC_DST_PITCH_OFFSET_CNTL)) { + offset = cmd[3] << 10; + ret = r300_check_offset(dev_priv, offset); + if (ret) { + DRM_ERROR("Invalid bitblt second offset is %08X\n", offset); + return DRM_ERR(EINVAL); + } + + } + } + + BEGIN_RING(count+2); + OUT_RING(cmd[0]); + OUT_RING_TABLE((int *)(cmdbuf->buf + 4), count + 1); + ADVANCE_RING(); + + cmdbuf->buf += (count+2)*4; + cmdbuf->bufsz -= (count+2)*4; + + return 0; +} static __inline__ int r300_emit_raw_packet3(drm_radeon_private_t *dev_priv, drm_radeon_kcmd_buffer_t *cmdbuf) @@ -527,6 +572,9 @@ static __inline__ int r300_emit_raw_packet3(drm_radeon_private_t *dev_priv, case RADEON_3D_LOAD_VBPNTR: /* load vertex array pointers */ return r300_emit_3d_load_vbpntr(dev_priv, cmdbuf, header); + case RADEON_CNTL_BITBLT_MULTI: + return r300_emit_bitblt_multi(dev_priv, cmdbuf); + case RADEON_CP_3D_DRAW_IMMD_2: /* triggers drawing using in-packet vertex data */ case RADEON_CP_3D_DRAW_VBUF_2: /* triggers drawing of vertex buffers setup elsewhere */ case RADEON_CP_3D_DRAW_INDX_2: /* triggers drawing using indices to vertex buffer */ diff --git a/drivers/char/drm/r300_reg.h b/drivers/char/drm/r300_reg.h index a0ed20e25221..d1e19954406b 100644 --- a/drivers/char/drm/r300_reg.h +++ b/drivers/char/drm/r300_reg.h @@ -451,6 +451,9 @@ I am fairly certain that they are correct unless stated otherwise in comments. /* END */ /* gap */ +/* Zero to flush caches. */ +#define R300_TX_CNTL 0x4100 + /* The upper enable bits are guessed, based on fglrx reported limits. */ #define R300_TX_ENABLE 0x4104 # define R300_TX_ENABLE_0 (1 << 0) diff --git a/drivers/char/drm/radeon_drv.h b/drivers/char/drm/radeon_drv.h index 498b19b1d641..1f7d2ab8c4fc 100644 --- a/drivers/char/drm/radeon_drv.h +++ b/drivers/char/drm/radeon_drv.h @@ -90,9 +90,10 @@ * 1.19- Add support for gart table in FB memory and PCIE r300 * 1.20- Add support for r300 texrect * 1.21- Add support for card type getparam + * 1.22- Add support for texture cache flushes (R300_TX_CNTL) */ #define DRIVER_MAJOR 1 -#define DRIVER_MINOR 21 +#define DRIVER_MINOR 22 #define DRIVER_PATCHLEVEL 0 /* diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index 1994a92d4733..f65b2e14a485 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -335,6 +335,8 @@ static int hvc_open(struct tty_struct *tty, struct file * filp) } /* else count == 0 */ tty->driver_data = hp; + tty->low_latency = 1; /* Makes flushes to ldisc synchronous. */ + hp->tty = tty; /* Save for request_irq outside of spin_lock. */ irq = hp->irq; @@ -633,9 +635,6 @@ static int hvc_poll(struct hvc_struct *hp) tty_insert_flip_char(tty, buf[i], 0); } - if (count) - tty_schedule_flip(tty); - /* * Account for the total amount read in one loop, and if above * 64 bytes, we do a quick schedule loop to let the tty grok @@ -656,6 +655,9 @@ static int hvc_poll(struct hvc_struct *hp) bail: spin_unlock_irqrestore(&hp->lock, flags); + if (read_total) + tty_flip_buffer_push(tty); + return poll_mask; } diff --git a/drivers/char/sx.c b/drivers/char/sx.c index c2490e270f1f..a6b4f02bdceb 100644 --- a/drivers/char/sx.c +++ b/drivers/char/sx.c @@ -1095,17 +1095,17 @@ static inline void sx_receive_chars (struct sx_port *port) sx_dprintk (SX_DEBUG_RECEIVE, "rxop=%d, c = %d.\n", rx_op, c); + /* Don't copy past the end of the hardware receive buffer */ + if (rx_op + c > 0x100) c = 0x100 - rx_op; + + sx_dprintk (SX_DEBUG_RECEIVE, "c = %d.\n", c); + /* Don't copy more bytes than there is room for in the buffer */ c = tty_prepare_flip_string(tty, &rp, c); sx_dprintk (SX_DEBUG_RECEIVE, "c = %d.\n", c); - /* Don't copy past the end of the hardware receive buffer */ - if (rx_op + c > 0x100) c = 0x100 - rx_op; - - sx_dprintk (SX_DEBUG_RECEIVE, "c = %d.\n", c); - /* If for one reason or another, we can't copy more data, we're done! */ if (c == 0) break; @@ -2173,15 +2173,17 @@ static int probe_si (struct sx_board *board) if ( IS_SI1_BOARD(board)) { /* This should be an SI1 board, which has this location writable... */ - if (read_sx_byte (board, SI2_ISA_ID_BASE) != 0x10) + if (read_sx_byte (board, SI2_ISA_ID_BASE) != 0x10) { func_exit (); return 0; + } } else { /* This should be an SI2 board, which has the bottom 3 bits non-writable... */ - if (read_sx_byte (board, SI2_ISA_ID_BASE) == 0x10) + if (read_sx_byte (board, SI2_ISA_ID_BASE) == 0x10) { func_exit (); return 0; + } } /* Now we're pretty much convinced that there is an SI board here, @@ -2192,15 +2194,17 @@ static int probe_si (struct sx_board *board) if ( IS_SI1_BOARD(board)) { /* This should be an SI1 board, which has this location writable... */ - if (read_sx_byte (board, SI2_ISA_ID_BASE) != 0x10) + if (read_sx_byte (board, SI2_ISA_ID_BASE) != 0x10) { func_exit(); return 0; + } } else { /* This should be an SI2 board, which has the bottom 3 bits non-writable... */ - if (read_sx_byte (board, SI2_ISA_ID_BASE) == 0x10) + if (read_sx_byte (board, SI2_ISA_ID_BASE) == 0x10) { func_exit (); return 0; + } } printheader (); diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c index 5765f672e853..d58f82318853 100644 --- a/drivers/char/sysrq.c +++ b/drivers/char/sysrq.c @@ -243,7 +243,7 @@ static struct sysrq_key_op sysrq_term_op = { static void moom_callback(void *ignored) { - out_of_memory(GFP_KERNEL, 0); + out_of_memory(&NODE_DATA(0)->node_zonelists[ZONE_NORMAL], GFP_KERNEL, 0); } static DECLARE_WORK(moom_work, moom_callback, NULL); diff --git a/drivers/char/tpm/tpm_infineon.c b/drivers/char/tpm/tpm_infineon.c index ec7590951af5..24095f6ee6da 100644 --- a/drivers/char/tpm/tpm_infineon.c +++ b/drivers/char/tpm/tpm_infineon.c @@ -33,6 +33,7 @@ static int TPM_INF_DATA; static int TPM_INF_ADDR; static int TPM_INF_BASE; +static int TPM_INF_ADDR_LEN; static int TPM_INF_PORT_LEN; /* TPM header definitions */ @@ -195,6 +196,7 @@ static int tpm_inf_recv(struct tpm_chip *chip, u8 * buf, size_t count) int i; int ret; u32 size = 0; + number_of_wtx = 0; recv_begin: /* start receiving header */ @@ -378,24 +380,35 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev, if (pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) && !(pnp_port_flags(dev, 0) & IORESOURCE_DISABLED)) { TPM_INF_ADDR = pnp_port_start(dev, 0); + TPM_INF_ADDR_LEN = pnp_port_len(dev, 0); TPM_INF_DATA = (TPM_INF_ADDR + 1); TPM_INF_BASE = pnp_port_start(dev, 1); TPM_INF_PORT_LEN = pnp_port_len(dev, 1); - if (!TPM_INF_PORT_LEN) - return -EINVAL; + if ((TPM_INF_PORT_LEN < 4) || (TPM_INF_ADDR_LEN < 2)) { + rc = -EINVAL; + goto err_last; + } dev_info(&dev->dev, "Found %s with ID %s\n", dev->name, dev_id->id); - if (!((TPM_INF_BASE >> 8) & 0xff)) - return -EINVAL; + if (!((TPM_INF_BASE >> 8) & 0xff)) { + rc = -EINVAL; + goto err_last; + } /* publish my base address and request region */ tpm_inf.base = TPM_INF_BASE; if (request_region (tpm_inf.base, TPM_INF_PORT_LEN, "tpm_infineon0") == NULL) { - release_region(tpm_inf.base, TPM_INF_PORT_LEN); - return -EINVAL; + rc = -EINVAL; + goto err_last; + } + if (request_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN, + "tpm_infineon0") == NULL) { + rc = -EINVAL; + goto err_last; } } else { - return -EINVAL; + rc = -EINVAL; + goto err_last; } /* query chip for its vendor, its version number a.s.o. */ @@ -443,8 +456,8 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev, dev_err(&dev->dev, "Could not set IO-ports to 0x%lx\n", tpm_inf.base); - release_region(tpm_inf.base, TPM_INF_PORT_LEN); - return -EIO; + rc = -EIO; + goto err_release_region; } /* activate register */ @@ -471,14 +484,21 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev, rc = tpm_register_hardware(&dev->dev, &tpm_inf); if (rc < 0) { - release_region(tpm_inf.base, TPM_INF_PORT_LEN); - return -ENODEV; + rc = -ENODEV; + goto err_release_region; } return 0; } else { - dev_info(&dev->dev, "No Infineon TPM found!\n"); - return -ENODEV; + rc = -ENODEV; + goto err_release_region; } + +err_release_region: + release_region(tpm_inf.base, TPM_INF_PORT_LEN); + release_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN); + +err_last: + return rc; } static __devexit void tpm_inf_pnp_remove(struct pnp_dev *dev) @@ -518,5 +538,5 @@ module_exit(cleanup_inf); MODULE_AUTHOR("Marcel Selhorst <selhorst@crypto.rub.de>"); MODULE_DESCRIPTION("Driver for Infineon TPM SLD 9630 TT 1.1 / SLB 9635 TT 1.2"); -MODULE_VERSION("1.6"); +MODULE_VERSION("1.7"); MODULE_LICENSE("GPL"); diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c index 64819aa7cac4..0c08c58252be 100644 --- a/drivers/crypto/padlock-aes.c +++ b/drivers/crypto/padlock-aes.c @@ -348,10 +348,10 @@ aes_set_key(void *ctx_arg, const uint8_t *in_key, unsigned int key_len, uint32_t break; case 32: - E_KEY[4] = le32_to_cpu(in_key[4]); - E_KEY[5] = le32_to_cpu(in_key[5]); - E_KEY[6] = le32_to_cpu(in_key[6]); - t = E_KEY[7] = le32_to_cpu(in_key[7]); + E_KEY[4] = le32_to_cpu(key[4]); + E_KEY[5] = le32_to_cpu(key[5]); + E_KEY[6] = le32_to_cpu(key[6]); + t = E_KEY[7] = le32_to_cpu(key[7]); for (i = 0; i < 7; ++i) loop8 (i); break; diff --git a/drivers/fc4/fc.c b/drivers/fc4/fc.c index 5c8943509cc1..66d03f242d3c 100644 --- a/drivers/fc4/fc.c +++ b/drivers/fc4/fc.c @@ -1053,7 +1053,7 @@ static int fc_do_els(fc_channel *fc, unsigned int alpa, void *data, int len) int i; fcmd = &_fcmd; - memset(fcmd, 0, sizeof(fcmd)); + memset(fcmd, 0, sizeof(fcp_cmnd)); FCD(("PLOGI SID %d DID %d\n", fc->sid, alpa)) fch = &fcmd->fch; FILL_FCHDR_RCTL_DID(fch, R_CTL_ELS_REQ, alpa); diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c index 2b286e865163..43b96e298363 100644 --- a/drivers/ide/pci/sgiioc4.c +++ b/drivers/ide/pci/sgiioc4.c @@ -13,11 +13,6 @@ * License along with this program; if not, write the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. * - * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, - * Mountain View, CA 94043, or: - * - * http://www.sgi.com - * * For further information regarding this notice, see: * * http://oss.sgi.com/projects/GenInfo/NoticeExplan diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 18d7eda38851..eca92eb475a1 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -137,15 +137,15 @@ MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device (default = 1)" /* * SCSI inquiry hack for really badly behaved sbp2 devices. Turn this on * if your sbp2 device is not properly handling the SCSI inquiry command. - * This hack makes the inquiry look more like a typical MS Windows - * inquiry. + * This hack makes the inquiry look more like a typical MS Windows inquiry + * by enforcing 36 byte inquiry and avoiding access to mode_sense page 8. * * If force_inquiry_hack=1 is required for your device to work, * please submit the logged sbp2_firmware_revision value of this device to * the linux1394-devel mailing list. */ static int force_inquiry_hack; -module_param(force_inquiry_hack, int, 0444); +module_param(force_inquiry_hack, int, 0644); MODULE_PARM_DESC(force_inquiry_hack, "Force SCSI inquiry hack (default = 0)"); /* @@ -264,18 +264,17 @@ static struct hpsb_protocol_driver sbp2_driver = { }, }; - -/* List of device firmware's that require a forced 36 byte inquiry. */ +/* + * List of device firmwares that require the inquiry hack. + * Yields a few false positives but did not break other devices so far. + */ static u32 sbp2_broken_inquiry_list[] = { - 0x00002800, /* Stefan Richter <richtest@bauwesen.tu-cottbus.de> */ + 0x00002800, /* Stefan Richter <stefanr@s5r6.in-berlin.de> */ /* DViCO Momobay CX-1 */ 0x00000200 /* Andreas Plesch <plesch@fas.harvard.edu> */ /* QPS Fire DVDBurner */ }; -#define NUM_BROKEN_INQUIRY_DEVS \ - (sizeof(sbp2_broken_inquiry_list)/sizeof(*sbp2_broken_inquiry_list)) - /************************************** * General utility functions **************************************/ @@ -643,9 +642,15 @@ static int sbp2_remove(struct device *dev) if (!scsi_id) return 0; - /* Trigger shutdown functions in scsi's highlevel. */ - if (scsi_id->scsi_host) + if (scsi_id->scsi_host) { + /* Get rid of enqueued commands if there is no chance to + * send them. */ + if (!sbp2util_node_is_available(scsi_id)) + sbp2scsi_complete_all_commands(scsi_id, DID_NO_CONNECT); + /* scsi_remove_device() will trigger shutdown functions of SCSI + * highlevel drivers which would deadlock if blocked. */ scsi_unblock_requests(scsi_id->scsi_host); + } sdev = scsi_id->sdev; if (sdev) { scsi_id->sdev = NULL; @@ -742,11 +747,6 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud hi->host = ud->ne->host; INIT_LIST_HEAD(&hi->scsi_ids); - /* Register our sbp2 status address space... */ - hpsb_register_addrspace(&sbp2_highlevel, ud->ne->host, &sbp2_ops, - SBP2_STATUS_FIFO_ADDRESS, - SBP2_STATUS_FIFO_ADDRESS + - SBP2_STATUS_FIFO_ENTRY_TO_OFFSET(SBP2_MAX_UDS_PER_NODE+1)); #ifdef CONFIG_IEEE1394_SBP2_PHYS_DMA /* Handle data movement if physical dma is not * enabled/supportedon host controller */ @@ -759,6 +759,18 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud list_add_tail(&scsi_id->scsi_list, &hi->scsi_ids); + /* Register the status FIFO address range. We could use the same FIFO + * for targets at different nodes. However we need different FIFOs per + * target in order to support multi-unit devices. */ + scsi_id->status_fifo_addr = hpsb_allocate_and_register_addrspace( + &sbp2_highlevel, ud->ne->host, &sbp2_ops, + sizeof(struct sbp2_status_block), sizeof(quadlet_t), + ~0ULL, ~0ULL); + if (!scsi_id->status_fifo_addr) { + SBP2_ERR("failed to allocate status FIFO address range"); + goto failed_alloc; + } + /* Register our host with the SCSI stack. */ scsi_host = scsi_host_alloc(&scsi_driver_template, sizeof(unsigned long)); @@ -997,6 +1009,10 @@ static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id) SBP2_DMA_FREE("single query logins data"); } + if (scsi_id->status_fifo_addr) + hpsb_unregister_addrspace(&sbp2_highlevel, hi->host, + scsi_id->status_fifo_addr); + scsi_id->ud->device.driver_data = NULL; SBP2_DEBUG("SBP-2 device removed, SCSI ID = %d", scsi_id->ud->id); @@ -1075,11 +1091,10 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id) ORB_SET_QUERY_LOGINS_RESP_LENGTH(sizeof(struct sbp2_query_logins_response)); SBP2_DEBUG("sbp2_query_logins: reserved_resp_length initialized"); - scsi_id->query_logins_orb->status_FIFO_lo = SBP2_STATUS_FIFO_ADDRESS_LO + - SBP2_STATUS_FIFO_ENTRY_TO_OFFSET(scsi_id->ud->id); - scsi_id->query_logins_orb->status_FIFO_hi = (ORB_SET_NODE_ID(hi->host->node_id) | - SBP2_STATUS_FIFO_ADDRESS_HI); - SBP2_DEBUG("sbp2_query_logins: status FIFO initialized"); + scsi_id->query_logins_orb->status_fifo_hi = + ORB_SET_STATUS_FIFO_HI(scsi_id->status_fifo_addr, hi->host->node_id); + scsi_id->query_logins_orb->status_fifo_lo = + ORB_SET_STATUS_FIFO_LO(scsi_id->status_fifo_addr); sbp2util_cpu_to_be32_buffer(scsi_id->query_logins_orb, sizeof(struct sbp2_query_logins_orb)); @@ -1184,11 +1199,10 @@ static int sbp2_login_device(struct scsi_id_instance_data *scsi_id) ORB_SET_LOGIN_RESP_LENGTH(sizeof(struct sbp2_login_response)); SBP2_DEBUG("sbp2_login_device: passwd_resp_lengths initialized"); - scsi_id->login_orb->status_FIFO_lo = SBP2_STATUS_FIFO_ADDRESS_LO + - SBP2_STATUS_FIFO_ENTRY_TO_OFFSET(scsi_id->ud->id); - scsi_id->login_orb->status_FIFO_hi = (ORB_SET_NODE_ID(hi->host->node_id) | - SBP2_STATUS_FIFO_ADDRESS_HI); - SBP2_DEBUG("sbp2_login_device: status FIFO initialized"); + scsi_id->login_orb->status_fifo_hi = + ORB_SET_STATUS_FIFO_HI(scsi_id->status_fifo_addr, hi->host->node_id); + scsi_id->login_orb->status_fifo_lo = + ORB_SET_STATUS_FIFO_LO(scsi_id->status_fifo_addr); /* * Byte swap ORB if necessary @@ -1301,10 +1315,10 @@ static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id) scsi_id->logout_orb->login_ID_misc |= ORB_SET_NOTIFY(1); scsi_id->logout_orb->reserved5 = 0x0; - scsi_id->logout_orb->status_FIFO_lo = SBP2_STATUS_FIFO_ADDRESS_LO + - SBP2_STATUS_FIFO_ENTRY_TO_OFFSET(scsi_id->ud->id); - scsi_id->logout_orb->status_FIFO_hi = (ORB_SET_NODE_ID(hi->host->node_id) | - SBP2_STATUS_FIFO_ADDRESS_HI); + scsi_id->logout_orb->status_fifo_hi = + ORB_SET_STATUS_FIFO_HI(scsi_id->status_fifo_addr, hi->host->node_id); + scsi_id->logout_orb->status_fifo_lo = + ORB_SET_STATUS_FIFO_LO(scsi_id->status_fifo_addr); /* * Byte swap ORB if necessary @@ -1366,10 +1380,10 @@ static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id) scsi_id->reconnect_orb->login_ID_misc |= ORB_SET_NOTIFY(1); scsi_id->reconnect_orb->reserved5 = 0x0; - scsi_id->reconnect_orb->status_FIFO_lo = SBP2_STATUS_FIFO_ADDRESS_LO + - SBP2_STATUS_FIFO_ENTRY_TO_OFFSET(scsi_id->ud->id); - scsi_id->reconnect_orb->status_FIFO_hi = - (ORB_SET_NODE_ID(hi->host->node_id) | SBP2_STATUS_FIFO_ADDRESS_HI); + scsi_id->reconnect_orb->status_fifo_hi = + ORB_SET_STATUS_FIFO_HI(scsi_id->status_fifo_addr, hi->host->node_id); + scsi_id->reconnect_orb->status_fifo_lo = + ORB_SET_STATUS_FIFO_LO(scsi_id->status_fifo_addr); /* * Byte swap ORB if necessary @@ -1560,7 +1574,7 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, /* Check for a blacklisted set of devices that require us to force * a 36 byte host inquiry. This can be overriden as a module param * (to force all hosts). */ - for (i = 0; i < NUM_BROKEN_INQUIRY_DEVS; i++) { + for (i = 0; i < ARRAY_SIZE(sbp2_broken_inquiry_list); i++) { if ((firmware_revision & 0xffff00) == sbp2_broken_inquiry_list[i]) { SBP2_WARN("Node " NODE_BUS_FMT ": Using 36byte inquiry workaround", @@ -2007,18 +2021,6 @@ static int sbp2_send_command(struct scsi_id_instance_data *scsi_id, } /* - * The scsi stack sends down a request_bufflen which does not match the - * length field in the scsi cdb. This causes some sbp2 devices to - * reject this inquiry command. Fix the request_bufflen. - */ - if (*cmd == INQUIRY) { - if (force_inquiry_hack || scsi_id->workarounds & SBP2_BREAKAGE_INQUIRY_HACK) - request_bufflen = cmd[4] = 0x24; - else - request_bufflen = cmd[4]; - } - - /* * Now actually fill in the comamnd orb and sbp2 s/g list */ sbp2_create_command_orb(scsi_id, command, cmd, SCpnt->use_sg, @@ -2082,9 +2084,7 @@ static void sbp2_check_sbp2_response(struct scsi_id_instance_data *scsi_id, SBP2_DEBUG("sbp2_check_sbp2_response"); - switch (SCpnt->cmnd[0]) { - - case INQUIRY: + if (SCpnt->cmnd[0] == INQUIRY && (SCpnt->cmnd[1] & 3) == 0) { /* * Make sure data length is ok. Minimum length is 36 bytes */ @@ -2097,13 +2097,7 @@ static void sbp2_check_sbp2_response(struct scsi_id_instance_data *scsi_id, */ scsi_buf[2] |= 2; scsi_buf[3] = (scsi_buf[3] & 0xf0) | 2; - - break; - - default: - break; } - return; } /* @@ -2114,7 +2108,6 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, int dest { struct sbp2scsi_host_info *hi; struct scsi_id_instance_data *scsi_id = NULL, *scsi_id_tmp; - u32 id; struct scsi_cmnd *SCpnt = NULL; u32 scsi_status = SBP2_SCSI_STATUS_GOOD; struct sbp2_command_info *command; @@ -2137,12 +2130,12 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, int dest } /* - * Find our scsi_id structure by looking at the status fifo address written to by - * the sbp2 device. + * Find our scsi_id structure by looking at the status fifo address + * written to by the sbp2 device. */ - id = SBP2_STATUS_FIFO_OFFSET_TO_ENTRY((u32)(addr - SBP2_STATUS_FIFO_ADDRESS)); list_for_each_entry(scsi_id_tmp, &hi->scsi_ids, scsi_list) { - if (scsi_id_tmp->ne->nodeid == nodeid && scsi_id_tmp->ud->id == id) { + if (scsi_id_tmp->ne->nodeid == nodeid && + scsi_id_tmp->status_fifo_addr == addr) { scsi_id = scsi_id_tmp; break; } @@ -2483,7 +2476,16 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, static int sbp2scsi_slave_alloc(struct scsi_device *sdev) { - ((struct scsi_id_instance_data *)sdev->host->hostdata[0])->sdev = sdev; + struct scsi_id_instance_data *scsi_id = + (struct scsi_id_instance_data *)sdev->host->hostdata[0]; + + scsi_id->sdev = sdev; + + if (force_inquiry_hack || + scsi_id->workarounds & SBP2_BREAKAGE_INQUIRY_HACK) { + sdev->inquiry_len = 36; + sdev->skip_ms_page_8 = 1; + } return 0; } diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h index 900ea1d25e71..e2d357a9ea3a 100644 --- a/drivers/ieee1394/sbp2.h +++ b/drivers/ieee1394/sbp2.h @@ -33,15 +33,17 @@ #define ORB_DIRECTION_NO_DATA_TRANSFER 0x2 #define ORB_SET_NULL_PTR(value) ((value & 0x1) << 31) -#define ORB_SET_NOTIFY(value) ((value & 0x1) << 31) -#define ORB_SET_RQ_FMT(value) ((value & 0x3) << 29) /* unused ? */ +#define ORB_SET_NOTIFY(value) ((value & 0x1) << 31) +#define ORB_SET_RQ_FMT(value) ((value & 0x3) << 29) /* unused ? */ #define ORB_SET_NODE_ID(value) ((value & 0xffff) << 16) -#define ORB_SET_DATA_SIZE(value) (value & 0xffff) -#define ORB_SET_PAGE_SIZE(value) ((value & 0x7) << 16) -#define ORB_SET_PAGE_TABLE_PRESENT(value) ((value & 0x1) << 19) -#define ORB_SET_MAX_PAYLOAD(value) ((value & 0xf) << 20) -#define ORB_SET_SPEED(value) ((value & 0x7) << 24) -#define ORB_SET_DIRECTION(value) ((value & 0x1) << 27) +#define ORB_SET_STATUS_FIFO_HI(value, id) (value >> 32 | ORB_SET_NODE_ID(id)) +#define ORB_SET_STATUS_FIFO_LO(value) (value & 0xffffffff) +#define ORB_SET_DATA_SIZE(value) (value & 0xffff) +#define ORB_SET_PAGE_SIZE(value) ((value & 0x7) << 16) +#define ORB_SET_PAGE_TABLE_PRESENT(value) ((value & 0x1) << 19) +#define ORB_SET_MAX_PAYLOAD(value) ((value & 0xf) << 20) +#define ORB_SET_SPEED(value) ((value & 0x7) << 24) +#define ORB_SET_DIRECTION(value) ((value & 0x1) << 27) struct sbp2_command_orb { volatile u32 next_ORB_hi; @@ -76,8 +78,8 @@ struct sbp2_login_orb { u32 login_response_lo; u32 lun_misc; u32 passwd_resp_lengths; - u32 status_FIFO_hi; - u32 status_FIFO_lo; + u32 status_fifo_hi; + u32 status_fifo_lo; }; #define RESPONSE_GET_LOGIN_ID(value) (value & 0xffff) @@ -102,8 +104,8 @@ struct sbp2_query_logins_orb { u32 query_response_lo; u32 lun_misc; u32 reserved_resp_length; - u32 status_FIFO_hi; - u32 status_FIFO_lo; + u32 status_fifo_hi; + u32 status_fifo_lo; }; #define RESPONSE_GET_MAX_LOGINS(value) (value & 0xffff) @@ -123,8 +125,8 @@ struct sbp2_reconnect_orb { u32 reserved4; u32 login_ID_misc; u32 reserved5; - u32 status_FIFO_hi; - u32 status_FIFO_lo; + u32 status_fifo_hi; + u32 status_fifo_lo; }; struct sbp2_logout_orb { @@ -134,8 +136,8 @@ struct sbp2_logout_orb { u32 reserved4; u32 login_ID_misc; u32 reserved5; - u32 status_FIFO_hi; - u32 status_FIFO_lo; + u32 status_fifo_hi; + u32 status_fifo_lo; }; #define PAGE_TABLE_SET_SEGMENT_BASE_HI(value) (value & 0xffff) @@ -195,30 +197,6 @@ struct sbp2_status_block { * Miscellaneous SBP2 related config rom defines */ -/* The status fifo address definition below is used as a base for each - * node, which a chunk seperately assigned to each unit directory in the - * node. For example, 0xfffe00000000ULL is used for the first sbp2 device - * detected on node 0, 0xfffe00000020ULL for the next sbp2 device on node - * 0, and so on. - * - * Note: We could use a single status fifo address for all sbp2 devices, - * and figure out which sbp2 device the status belongs to by looking at - * the source node id of the status write... but, using separate addresses - * for each sbp2 unit directory allows for better code and the ability to - * support multiple luns within a single 1394 node. - * - * Also note that we choose the address range below as it is a region - * specified for write posting, where the ohci controller will - * automatically send an ack_complete when the status is written by the - * sbp2 device... saving a split transaction. =) - */ -#define SBP2_STATUS_FIFO_ADDRESS 0xfffe00000000ULL -#define SBP2_STATUS_FIFO_ADDRESS_HI 0xfffe -#define SBP2_STATUS_FIFO_ADDRESS_LO 0x0 - -#define SBP2_STATUS_FIFO_ENTRY_TO_OFFSET(entry) ((entry) << 5) -#define SBP2_STATUS_FIFO_OFFSET_TO_ENTRY(offset) ((offset) >> 5) - #define SBP2_UNIT_DIRECTORY_OFFSET_KEY 0xd1 #define SBP2_CSR_OFFSET_KEY 0x54 #define SBP2_UNIT_SPEC_ID_KEY 0x12 @@ -258,7 +236,6 @@ struct sbp2_status_block { */ #define SBP2_MAX_SG_ELEMENT_LENGTH 0xf000 -#define SBP2_MAX_UDS_PER_NODE 16 /* Maximum scsi devices per node */ #define SBP2_MAX_SECTORS 255 /* Max sectors supported */ #define SBP2_MAX_CMDS 8 /* This should be safe */ @@ -338,6 +315,11 @@ struct scsi_id_instance_data { u32 sbp2_firmware_revision; /* + * Address for the device to write status blocks to + */ + u64 status_fifo_addr; + + /* * Variable used for logins, reconnects, logouts, query logins */ atomic_t sbp2_login_complete; diff --git a/drivers/macintosh/windfarm_smu_sat.c b/drivers/macintosh/windfarm_smu_sat.c index 3a32c59494f2..24e51d5e97fc 100644 --- a/drivers/macintosh/windfarm_smu_sat.c +++ b/drivers/macintosh/windfarm_smu_sat.c @@ -151,6 +151,7 @@ struct smu_sdbp_header *smu_sat_get_sdb_partition(unsigned int sat_id, int id, kfree(buf); return NULL; } +EXPORT_SYMBOL_GPL(smu_sat_get_sdb_partition); /* refresh the cache */ static int wf_sat_read_cache(struct wf_sat *sat) diff --git a/drivers/md/dm.c b/drivers/md/dm.c index e9adeb9d172f..745ca1f67b14 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -849,10 +849,16 @@ static struct mapped_device *alloc_dev(unsigned int minor, int persistent) static void free_dev(struct mapped_device *md) { - free_minor(md->disk->first_minor); + unsigned int minor = md->disk->first_minor; + + if (md->suspended_bdev) { + thaw_bdev(md->suspended_bdev, NULL); + bdput(md->suspended_bdev); + } mempool_destroy(md->tio_pool); mempool_destroy(md->io_pool); del_gendisk(md->disk); + free_minor(minor); put_disk(md->disk); blk_put_queue(md->queue); kfree(md); diff --git a/drivers/mmc/mmci.c b/drivers/mmc/mmci.c index 37ee7f8dc82f..9fef29d978b5 100644 --- a/drivers/mmc/mmci.c +++ b/drivers/mmc/mmci.c @@ -97,6 +97,13 @@ static void mmci_start_data(struct mmci_host *host, struct mmc_data *data) if (data->flags & MMC_DATA_READ) { datactrl |= MCI_DPSM_DIRECTION; irqmask = MCI_RXFIFOHALFFULLMASK; + + /* + * If we have less than a FIFOSIZE of bytes to transfer, + * trigger a PIO interrupt as soon as any data is available. + */ + if (host->size < MCI_FIFOSIZE) + irqmask |= MCI_RXDATAAVLBLMASK; } else { /* * We don't actually need to include "FIFO empty" here diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index 69c04945591f..1c074d63ff3a 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -408,6 +408,7 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary) cfi->chips[i].buffer_write_time = 1<<cfi->cfiq->BufWriteTimeoutTyp; cfi->chips[i].erase_time = 1<<cfi->cfiq->BlockEraseTimeoutTyp; cfi->chips[i].ref_point_counter = 0; + init_waitqueue_head(&(cfi->chips[i].wq)); } map->fldrv = &cfi_intelext_chipdrv; @@ -1019,8 +1020,8 @@ static void __xipram xip_udelay(struct map_info *map, struct flchip *chip, #define XIP_INVAL_CACHED_RANGE(map, from, size) \ INVALIDATE_CACHED_RANGE(map, from, size) -#define INVALIDATE_CACHE_UDELAY(map, chip, adr, len, usec) \ - UDELAY(map, chip, adr, usec) +#define INVALIDATE_CACHE_UDELAY(map, chip, cmd_adr, adr, len, usec) \ + UDELAY(map, chip, cmd_adr, usec) /* * Extra notes: @@ -1052,7 +1053,7 @@ do { \ spin_lock(chip->mutex); \ } while (0) -#define INVALIDATE_CACHE_UDELAY(map, chip, adr, len, usec) \ +#define INVALIDATE_CACHE_UDELAY(map, chip, cmd_adr, adr, len, usec) \ do { \ spin_unlock(chip->mutex); \ INVALIDATE_CACHED_RANGE(map, adr, len); \ @@ -1284,7 +1285,7 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip, map_write(map, datum, adr); chip->state = mode; - INVALIDATE_CACHE_UDELAY(map, chip, + INVALIDATE_CACHE_UDELAY(map, chip, adr, adr, map_bankwidth(map), chip->word_write_time); @@ -1572,8 +1573,8 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, map_write(map, CMD(0xd0), cmd_adr); chip->state = FL_WRITING; - INVALIDATE_CACHE_UDELAY(map, chip, - cmd_adr, len, + INVALIDATE_CACHE_UDELAY(map, chip, cmd_adr, + adr, len, chip->buffer_write_time); timeo = jiffies + (HZ/2); @@ -1744,7 +1745,7 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip, chip->state = FL_ERASING; chip->erase_suspended = 0; - INVALIDATE_CACHE_UDELAY(map, chip, + INVALIDATE_CACHE_UDELAY(map, chip, adr, adr, len, chip->erase_time*1000/2); diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 2610cedd55c7..840bfed312f6 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2020,8 +2020,8 @@ config SIS190 will be called sis190. This is recommended. config SKGE - tristate "New SysKonnect GigaEthernet support (EXPERIMENTAL)" - depends on PCI && EXPERIMENTAL + tristate "New SysKonnect GigaEthernet support" + depends on PCI select CRC32 ---help--- This driver support the Marvell Yukon or SysKonnect SK-98xx/SK-95xx @@ -2082,7 +2082,6 @@ config SK98LIN - Allied Telesyn AT-2971SX Gigabit Ethernet Adapter - Allied Telesyn AT-2971T Gigabit Ethernet Adapter - Belkin Gigabit Desktop Card 10/100/1000Base-T Adapter, Copper RJ-45 - - DGE-530T Gigabit Ethernet Adapter - EG1032 v2 Instant Gigabit Network Adapter - EG1064 v2 Instant Gigabit Network Adapter - Marvell 88E8001 Gigabit LOM Ethernet Adapter (Abit) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index e0f51afec778..bcf9f17daf0d 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1581,6 +1581,7 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev) printk(KERN_INFO DRV_NAME ": %s: %s not enslaved\n", bond_dev->name, slave_dev->name); + write_unlock_bh(&bond->lock); return -EINVAL; } diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c index 1b699259b4ec..31fb2d75dc44 100644 --- a/drivers/net/ifb.c +++ b/drivers/net/ifb.c @@ -57,7 +57,7 @@ struct ifb_private { struct sk_buff_head tq; }; -static int numifbs = 1; +static int numifbs = 2; static void ri_tasklet(unsigned long dev); static int ifb_xmit(struct sk_buff *skb, struct net_device *dev); diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c index fa176ffb4ad5..8936058a3cce 100644 --- a/drivers/net/irda/irda-usb.c +++ b/drivers/net/irda/irda-usb.c @@ -108,6 +108,7 @@ static void irda_usb_close(struct irda_usb_cb *self); static void speed_bulk_callback(struct urb *urb, struct pt_regs *regs); static void write_bulk_callback(struct urb *urb, struct pt_regs *regs); static void irda_usb_receive(struct urb *urb, struct pt_regs *regs); +static void irda_usb_rx_defer_expired(unsigned long data); static int irda_usb_net_open(struct net_device *dev); static int irda_usb_net_close(struct net_device *dev); static int irda_usb_net_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); @@ -677,6 +678,12 @@ static void irda_usb_net_timeout(struct net_device *netdev) * on the interrupt pipe and hang the Rx URB only when an interrupt is * received. * Jean II + * + * Note : don't read the above as what we are currently doing, but as + * something we could do with KC dongle. Also don't forget that the + * interrupt pipe is not part of the original standard, so this would + * need to be optional... + * Jean II */ /*------------------------------------------------------------------*/ @@ -704,10 +711,8 @@ static void irda_usb_submit(struct irda_usb_cb *self, struct sk_buff *skb, struc /* Reinitialize URB */ usb_fill_bulk_urb(urb, self->usbdev, usb_rcvbulkpipe(self->usbdev, self->bulk_in_ep), - skb->data, skb->truesize, + skb->data, IRDA_SKB_MAX_MTU, irda_usb_receive, skb); - /* Note : unlink *must* be synchronous because of the code in - * irda_usb_net_close() -> free the skb - Jean II */ urb->status = 0; /* Can be called from irda_usb_receive (irq handler) -> GFP_ATOMIC */ @@ -734,6 +739,7 @@ static void irda_usb_receive(struct urb *urb, struct pt_regs *regs) struct irda_skb_cb *cb; struct sk_buff *newskb; struct sk_buff *dataskb; + struct urb *next_urb; int docopy; IRDA_DEBUG(2, "%s(), len=%d\n", __FUNCTION__, urb->actual_length); @@ -755,20 +761,37 @@ static void irda_usb_receive(struct urb *urb, struct pt_regs *regs) if (urb->status != 0) { switch (urb->status) { case -EILSEQ: - self->stats.rx_errors++; self->stats.rx_crc_errors++; - break; + /* Also precursor to a hot-unplug on UHCI. */ + /* Fallthrough... */ case -ECONNRESET: /* -104 */ - IRDA_DEBUG(0, "%s(), Connection Reset (-104), transfer_flags 0x%04X \n", __FUNCTION__, urb->transfer_flags); + /* Random error, if I remember correctly */ /* uhci_cleanup_unlink() is going to kill the Rx * URB just after we return. No problem, at this * point the URB will be idle ;-) - Jean II */ - break; + case -ESHUTDOWN: /* -108 */ + /* That's usually a hot-unplug. Submit will fail... */ + case -ETIMEDOUT: /* -110 */ + /* Usually precursor to a hot-unplug on OHCI. */ default: - IRDA_DEBUG(0, "%s(), RX status %d,transfer_flags 0x%04X \n", __FUNCTION__, urb->status, urb->transfer_flags); + self->stats.rx_errors++; + IRDA_DEBUG(0, "%s(), RX status %d, transfer_flags 0x%04X \n", __FUNCTION__, urb->status, urb->transfer_flags); break; } - goto done; + /* If we received an error, we don't want to resubmit the + * Rx URB straight away but to give the USB layer a little + * bit of breathing room. + * We are in the USB thread context, therefore there is a + * danger of recursion (new URB we submit fails, we come + * back here). + * With recent USB stack (2.6.15+), I'm seeing that on + * hot unplug of the dongle... + * Lowest effective timer is 10ms... + * Jean II */ + self->rx_defer_timer.function = &irda_usb_rx_defer_expired; + self->rx_defer_timer.data = (unsigned long) urb; + mod_timer(&self->rx_defer_timer, jiffies + (10 * HZ / 1000)); + return; } /* Check for empty frames */ @@ -845,13 +868,45 @@ done: * idle slot.... * Jean II */ /* Note : with this scheme, we could submit the idle URB before - * processing the Rx URB. Another time... Jean II */ + * processing the Rx URB. I don't think it would buy us anything as + * we are running in the USB thread context. Jean II */ + next_urb = self->idle_rx_urb; - /* Submit the idle URB to replace the URB we've just received */ - irda_usb_submit(self, skb, self->idle_rx_urb); /* Recycle Rx URB : Now, the idle URB is the present one */ urb->context = NULL; self->idle_rx_urb = urb; + + /* Submit the idle URB to replace the URB we've just received. + * Do it last to avoid race conditions... Jean II */ + irda_usb_submit(self, skb, next_urb); +} + +/*------------------------------------------------------------------*/ +/* + * In case of errors, we want the USB layer to have time to recover. + * Now, it is time to resubmit ouur Rx URB... + */ +static void irda_usb_rx_defer_expired(unsigned long data) +{ + struct urb *urb = (struct urb *) data; + struct sk_buff *skb = (struct sk_buff *) urb->context; + struct irda_usb_cb *self; + struct irda_skb_cb *cb; + struct urb *next_urb; + + IRDA_DEBUG(2, "%s()\n", __FUNCTION__); + + /* Find ourselves */ + cb = (struct irda_skb_cb *) skb->cb; + IRDA_ASSERT(cb != NULL, return;); + self = (struct irda_usb_cb *) cb->context; + IRDA_ASSERT(self != NULL, return;); + + /* Same stuff as when Rx is done, see above... */ + next_urb = self->idle_rx_urb; + urb->context = NULL; + self->idle_rx_urb = urb; + irda_usb_submit(self, skb, next_urb); } /*------------------------------------------------------------------*/ @@ -990,6 +1045,9 @@ static int irda_usb_net_close(struct net_device *netdev) /* Stop network Tx queue */ netif_stop_queue(netdev); + /* Kill defered Rx URB */ + del_timer(&self->rx_defer_timer); + /* Deallocate all the Rx path buffers (URBs and skb) */ for (i = 0; i < IU_MAX_RX_URBS; i++) { struct urb *urb = self->rx_urb[i]; @@ -1365,6 +1423,7 @@ static int irda_usb_probe(struct usb_interface *intf, self = net->priv; self->netdev = net; spin_lock_init(&self->lock); + init_timer(&self->rx_defer_timer); /* Create all of the needed urbs */ for (i = 0; i < IU_MAX_RX_URBS; i++) { @@ -1498,6 +1557,9 @@ static void irda_usb_disconnect(struct usb_interface *intf) * This will stop/desactivate the Tx path. - Jean II */ self->present = 0; + /* Kill defered Rx URB */ + del_timer(&self->rx_defer_timer); + /* We need to have irq enabled to unlink the URBs. That's OK, * at this point the Tx path is gone - Jean II */ spin_unlock_irqrestore(&self->lock, flags); @@ -1507,11 +1569,11 @@ static void irda_usb_disconnect(struct usb_interface *intf) /* Accept no more transmissions */ /*netif_device_detach(self->netdev);*/ netif_stop_queue(self->netdev); - /* Stop all the receive URBs */ + /* Stop all the receive URBs. Must be synchronous. */ for (i = 0; i < IU_MAX_RX_URBS; i++) usb_kill_urb(self->rx_urb[i]); /* Cancel Tx and speed URB. - * Toggle flags to make sure it's synchronous. */ + * Make sure it's synchronous to avoid races. */ usb_kill_urb(self->tx_urb); usb_kill_urb(self->speed_urb); } diff --git a/drivers/net/irda/irda-usb.h b/drivers/net/irda/irda-usb.h index bd8f66542322..4026af42dd47 100644 --- a/drivers/net/irda/irda-usb.h +++ b/drivers/net/irda/irda-usb.h @@ -136,8 +136,6 @@ struct irda_usb_cb { __u16 bulk_out_mtu; /* Max Tx packet size in bytes */ __u8 bulk_int_ep; /* Interrupt Endpoint assignments */ - wait_queue_head_t wait_q; /* for timeouts */ - struct urb *rx_urb[IU_MAX_RX_URBS]; /* URBs used to receive data frames */ struct urb *idle_rx_urb; /* Pointer to idle URB in Rx path */ struct urb *tx_urb; /* URB used to send data frames */ @@ -147,17 +145,18 @@ struct irda_usb_cb { struct net_device_stats stats; struct irlap_cb *irlap; /* The link layer we are binded to */ struct qos_info qos; - hashbin_t *tx_list; /* Queued transmit skb's */ char *speed_buff; /* Buffer for speed changes */ struct timeval stamp; struct timeval now; - spinlock_t lock; /* For serializing operations */ + spinlock_t lock; /* For serializing Tx operations */ __u16 xbofs; /* Current xbofs setting */ __s16 new_xbofs; /* xbofs we need to set */ __u32 speed; /* Current speed */ __s32 new_speed; /* speed we need to set */ + + struct timer_list rx_defer_timer; /* Wait for Rx error to clear */ }; diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 6e1018448eea..8cc0d0bbdf50 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -287,6 +287,20 @@ enum RTL8169_register_content { TxInterFrameGapShift = 24, TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */ + /* Config1 register p.24 */ + PMEnable = (1 << 0), /* Power Management Enable */ + + /* Config3 register p.25 */ + MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */ + LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */ + + /* Config5 register p.27 */ + BWF = (1 << 6), /* Accept Broadcast wakeup frame */ + MWF = (1 << 5), /* Accept Multicast wakeup frame */ + UWF = (1 << 4), /* Accept Unicast wakeup frame */ + LanWake = (1 << 1), /* LanWake enable/disable */ + PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */ + /* TBICSR p.28 */ TBIReset = 0x80000000, TBILoopback = 0x40000000, @@ -433,6 +447,7 @@ struct rtl8169_private { unsigned int (*phy_reset_pending)(void __iomem *); unsigned int (*link_ok)(void __iomem *); struct work_struct task; + unsigned wol_enabled : 1; }; MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>"); @@ -607,6 +622,80 @@ static void rtl8169_link_option(int idx, u8 *autoneg, u16 *speed, u8 *duplex) *duplex = p->duplex; } +static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + u8 options; + + wol->wolopts = 0; + +#define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST) + wol->supported = WAKE_ANY; + + spin_lock_irq(&tp->lock); + + options = RTL_R8(Config1); + if (!(options & PMEnable)) + goto out_unlock; + + options = RTL_R8(Config3); + if (options & LinkUp) + wol->wolopts |= WAKE_PHY; + if (options & MagicPacket) + wol->wolopts |= WAKE_MAGIC; + + options = RTL_R8(Config5); + if (options & UWF) + wol->wolopts |= WAKE_UCAST; + if (options & BWF) + wol->wolopts |= WAKE_BCAST; + if (options & MWF) + wol->wolopts |= WAKE_MCAST; + +out_unlock: + spin_unlock_irq(&tp->lock); +} + +static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) +{ + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + int i; + static struct { + u32 opt; + u16 reg; + u8 mask; + } cfg[] = { + { WAKE_ANY, Config1, PMEnable }, + { WAKE_PHY, Config3, LinkUp }, + { WAKE_MAGIC, Config3, MagicPacket }, + { WAKE_UCAST, Config5, UWF }, + { WAKE_BCAST, Config5, BWF }, + { WAKE_MCAST, Config5, MWF }, + { WAKE_ANY, Config5, LanWake } + }; + + spin_lock_irq(&tp->lock); + + RTL_W8(Cfg9346, Cfg9346_Unlock); + + for (i = 0; i < ARRAY_SIZE(cfg); i++) { + u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask; + if (wol->wolopts & cfg[i].opt) + options |= cfg[i].mask; + RTL_W8(cfg[i].reg, options); + } + + RTL_W8(Cfg9346, Cfg9346_Lock); + + tp->wol_enabled = (wol->wolopts) ? 1 : 0; + + spin_unlock_irq(&tp->lock); + + return 0; +} + static void rtl8169_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { @@ -1025,6 +1114,8 @@ static struct ethtool_ops rtl8169_ethtool_ops = { .get_tso = ethtool_op_get_tso, .set_tso = ethtool_op_set_tso, .get_regs = rtl8169_get_regs, + .get_wol = rtl8169_get_wol, + .set_wol = rtl8169_set_wol, .get_strings = rtl8169_get_strings, .get_stats_count = rtl8169_get_stats_count, .get_ethtool_stats = rtl8169_get_ethtool_stats, @@ -1442,6 +1533,11 @@ rtl8169_init_board(struct pci_dev *pdev, struct net_device **dev_out, } tp->chipset = i; + RTL_W8(Cfg9346, Cfg9346_Unlock); + RTL_W8(Config1, RTL_R8(Config1) | PMEnable); + RTL_W8(Config5, RTL_R8(Config5) & PMEStatus); + RTL_W8(Cfg9346, Cfg9346_Lock); + *ioaddr_out = ioaddr; *dev_out = dev; out: @@ -1612,49 +1708,6 @@ rtl8169_remove_one(struct pci_dev *pdev) pci_set_drvdata(pdev, NULL); } -#ifdef CONFIG_PM - -static int rtl8169_suspend(struct pci_dev *pdev, pm_message_t state) -{ - struct net_device *dev = pci_get_drvdata(pdev); - struct rtl8169_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->mmio_addr; - unsigned long flags; - - if (!netif_running(dev)) - return 0; - - netif_device_detach(dev); - netif_stop_queue(dev); - spin_lock_irqsave(&tp->lock, flags); - - /* Disable interrupts, stop Rx and Tx */ - RTL_W16(IntrMask, 0); - RTL_W8(ChipCmd, 0); - - /* Update the error counts. */ - tp->stats.rx_missed_errors += RTL_R32(RxMissed); - RTL_W32(RxMissed, 0); - spin_unlock_irqrestore(&tp->lock, flags); - - return 0; -} - -static int rtl8169_resume(struct pci_dev *pdev) -{ - struct net_device *dev = pci_get_drvdata(pdev); - - if (!netif_running(dev)) - return 0; - - netif_device_attach(dev); - rtl8169_hw_start(dev); - - return 0; -} - -#endif /* CONFIG_PM */ - static void rtl8169_set_rxbufsize(struct rtl8169_private *tp, struct net_device *dev) { @@ -2700,6 +2753,56 @@ static struct net_device_stats *rtl8169_get_stats(struct net_device *dev) return &tp->stats; } +#ifdef CONFIG_PM + +static int rtl8169_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct rtl8169_private *tp = netdev_priv(dev); + void __iomem *ioaddr = tp->mmio_addr; + + if (!netif_running(dev)) + goto out; + + netif_device_detach(dev); + netif_stop_queue(dev); + + spin_lock_irq(&tp->lock); + + rtl8169_asic_down(ioaddr); + + tp->stats.rx_missed_errors += RTL_R32(RxMissed); + RTL_W32(RxMissed, 0); + + spin_unlock_irq(&tp->lock); + + pci_save_state(pdev); + pci_enable_wake(pdev, pci_choose_state(pdev, state), tp->wol_enabled); + pci_set_power_state(pdev, pci_choose_state(pdev, state)); +out: + return 0; +} + +static int rtl8169_resume(struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata(pdev); + + if (!netif_running(dev)) + goto out; + + netif_device_attach(dev); + + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); + pci_enable_wake(pdev, PCI_D0, 0); + + rtl8169_schedule_work(dev, rtl8169_reset_task); +out: + return 0; +} + +#endif /* CONFIG_PM */ + static struct pci_driver rtl8169_pci_driver = { .name = MODULENAME, .id_table = rtl8169_pci_tbl, diff --git a/drivers/net/sis190.c b/drivers/net/sis190.c index b420182eec4b..ed4bc91638d2 100644 --- a/drivers/net/sis190.c +++ b/drivers/net/sis190.c @@ -1791,6 +1791,8 @@ static int __devinit sis190_init_one(struct pci_dev *pdev, goto out; } + pci_set_drvdata(pdev, dev); + tp = netdev_priv(dev); ioaddr = tp->mmio_addr; @@ -1827,8 +1829,6 @@ static int __devinit sis190_init_one(struct pci_dev *pdev, if (rc < 0) goto err_remove_mii; - pci_set_drvdata(pdev, dev); - net_probe(tp, KERN_INFO "%s: %s at %p (IRQ: %d), " "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n", pci_name(pdev), sis_chip_info[ent->driver_data].name, diff --git a/drivers/net/sis900.c b/drivers/net/sis900.c index 3d95fa20cd88..7a952fe60be2 100644 --- a/drivers/net/sis900.c +++ b/drivers/net/sis900.c @@ -540,7 +540,7 @@ static int __devinit sis900_probe(struct pci_dev *pci_dev, printk("%2.2x.\n", net_dev->dev_addr[i]); /* Detect Wake on Lan support */ - ret = inl(CFGPMC & PMESP); + ret = (inl(net_dev->base_addr + CFGPMC) & PMESP) >> 27; if (netif_msg_probe(sis_priv) && (ret & PME_D3C) == 0) printk(KERN_INFO "%s: Wake on LAN only available from suspend to RAM.", net_dev->name); @@ -2040,7 +2040,7 @@ static int sis900_set_wol(struct net_device *net_dev, struct ethtool_wolinfo *wo if (wol->wolopts == 0) { pci_read_config_dword(sis_priv->pci_dev, CFGPMCSR, &cfgpmcsr); - cfgpmcsr |= ~PME_EN; + cfgpmcsr &= ~PME_EN; pci_write_config_dword(sis_priv->pci_dev, CFGPMCSR, cfgpmcsr); outl(pmctrl_bits, pmctrl_addr); if (netif_msg_wol(sis_priv)) diff --git a/drivers/net/skge.c b/drivers/net/skge.c index bf55a4cfb3d2..25e028b7ce48 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -879,13 +879,12 @@ static int __xm_phy_read(struct skge_hw *hw, int port, u16 reg, u16 *val) int i; xm_write16(hw, port, XM_PHY_ADDR, reg | hw->phy_addr); - xm_read16(hw, port, XM_PHY_DATA); + *val = xm_read16(hw, port, XM_PHY_DATA); - /* Need to wait for external PHY */ for (i = 0; i < PHY_RETRIES; i++) { - udelay(1); if (xm_read16(hw, port, XM_MMU_CMD) & XM_MMU_PHY_RDY) goto ready; + udelay(1); } return -ETIMEDOUT; @@ -918,7 +917,12 @@ static int xm_phy_write(struct skge_hw *hw, int port, u16 reg, u16 val) ready: xm_write16(hw, port, XM_PHY_DATA, val); - return 0; + for (i = 0; i < PHY_RETRIES; i++) { + if (!(xm_read16(hw, port, XM_MMU_CMD) & XM_MMU_PHY_BUSY)) + return 0; + udelay(1); + } + return -ETIMEDOUT; } static void genesis_init(struct skge_hw *hw) @@ -1168,13 +1172,17 @@ static void genesis_mac_init(struct skge_hw *hw, int port) u32 r; const u8 zero[6] = { 0 }; - /* Clear MIB counters */ - xm_write16(hw, port, XM_STAT_CMD, - XM_SC_CLR_RXC | XM_SC_CLR_TXC); - /* Clear two times according to Errata #3 */ - xm_write16(hw, port, XM_STAT_CMD, - XM_SC_CLR_RXC | XM_SC_CLR_TXC); + for (i = 0; i < 10; i++) { + skge_write16(hw, SK_REG(port, TX_MFF_CTRL1), + MFF_SET_MAC_RST); + if (skge_read16(hw, SK_REG(port, TX_MFF_CTRL1)) & MFF_SET_MAC_RST) + goto reset_ok; + udelay(1); + } + printk(KERN_WARNING PFX "%s: genesis reset failed\n", dev->name); + + reset_ok: /* Unreset the XMAC. */ skge_write16(hw, SK_REG(port, TX_MFF_CTRL1), MFF_CLR_MAC_RST); @@ -1191,7 +1199,7 @@ static void genesis_mac_init(struct skge_hw *hw, int port) r |= GP_DIR_2|GP_IO_2; skge_write32(hw, B2_GP_IO, r); - skge_read32(hw, B2_GP_IO); + /* Enable GMII interface */ xm_write16(hw, port, XM_HW_CFG, XM_HW_GMII_MD); @@ -1205,6 +1213,13 @@ static void genesis_mac_init(struct skge_hw *hw, int port) for (i = 1; i < 16; i++) xm_outaddr(hw, port, XM_EXM(i), zero); + /* Clear MIB counters */ + xm_write16(hw, port, XM_STAT_CMD, + XM_SC_CLR_RXC | XM_SC_CLR_TXC); + /* Clear two times according to Errata #3 */ + xm_write16(hw, port, XM_STAT_CMD, + XM_SC_CLR_RXC | XM_SC_CLR_TXC); + /* configure Rx High Water Mark (XM_RX_HI_WM) */ xm_write16(hw, port, XM_RX_HI_WM, 1450); @@ -1697,6 +1712,7 @@ static void yukon_mac_init(struct skge_hw *hw, int port) skge_write32(hw, SK_REG(port, GPHY_CTRL), reg | GPC_RST_SET); skge_write32(hw, SK_REG(port, GPHY_CTRL), reg | GPC_RST_CLR); skge_write32(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_ON | GMC_RST_CLR); + if (skge->autoneg == AUTONEG_DISABLE) { reg = GM_GPCR_AU_ALL_DIS; gma_write16(hw, port, GM_GP_CTRL, @@ -1704,16 +1720,23 @@ static void yukon_mac_init(struct skge_hw *hw, int port) switch (skge->speed) { case SPEED_1000: + reg &= ~GM_GPCR_SPEED_100; reg |= GM_GPCR_SPEED_1000; - /* fallthru */ + break; case SPEED_100: + reg &= ~GM_GPCR_SPEED_1000; reg |= GM_GPCR_SPEED_100; + break; + case SPEED_10: + reg &= ~(GM_GPCR_SPEED_1000 | GM_GPCR_SPEED_100); + break; } if (skge->duplex == DUPLEX_FULL) reg |= GM_GPCR_DUP_FULL; } else reg = GM_GPCR_SPEED_1000 | GM_GPCR_SPEED_100 | GM_GPCR_DUP_FULL; + switch (skge->flow_control) { case FLOW_MODE_NONE: skge_write32(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF); @@ -2162,8 +2185,10 @@ static int skge_up(struct net_device *dev) skge->tx_avail = skge->tx_ring.count - 1; /* Enable IRQ from port */ + spin_lock_irq(&hw->hw_lock); hw->intr_mask |= portirqmask[port]; skge_write32(hw, B0_IMSK, hw->intr_mask); + spin_unlock_irq(&hw->hw_lock); /* Initialize MAC */ spin_lock_bh(&hw->phy_lock); @@ -2221,8 +2246,10 @@ static int skge_down(struct net_device *dev) else yukon_stop(skge); + spin_lock_irq(&hw->hw_lock); hw->intr_mask &= ~portirqmask[skge->port]; skge_write32(hw, B0_IMSK, hw->intr_mask); + spin_unlock_irq(&hw->hw_lock); /* Stop transmitter */ skge_write8(hw, Q_ADDR(txqaddr[port], Q_CSR), CSR_STOP); @@ -2670,8 +2697,7 @@ static int skge_poll(struct net_device *dev, int *budget) /* restart receiver */ wmb(); - skge_write8(hw, Q_ADDR(rxqaddr[skge->port], Q_CSR), - CSR_START | CSR_IRQ_CL_F); + skge_write8(hw, Q_ADDR(rxqaddr[skge->port], Q_CSR), CSR_START); *budget -= work_done; dev->quota -= work_done; @@ -2679,10 +2705,11 @@ static int skge_poll(struct net_device *dev, int *budget) if (work_done >= to_do) return 1; /* not done */ - netif_rx_complete(dev); - hw->intr_mask |= portirqmask[skge->port]; - skge_write32(hw, B0_IMSK, hw->intr_mask); - skge_read32(hw, B0_IMSK); + spin_lock_irq(&hw->hw_lock); + __netif_rx_complete(dev); + hw->intr_mask |= portirqmask[skge->port]; + skge_write32(hw, B0_IMSK, hw->intr_mask); + spin_unlock_irq(&hw->hw_lock); return 0; } @@ -2842,18 +2869,10 @@ static void skge_extirq(unsigned long data) } spin_unlock(&hw->phy_lock); - local_irq_disable(); + spin_lock_irq(&hw->hw_lock); hw->intr_mask |= IS_EXT_REG; skge_write32(hw, B0_IMSK, hw->intr_mask); - local_irq_enable(); -} - -static inline void skge_wakeup(struct net_device *dev) -{ - struct skge_port *skge = netdev_priv(dev); - - prefetch(skge->rx_ring.to_clean); - netif_rx_schedule(dev); + spin_unlock_irq(&hw->hw_lock); } static irqreturn_t skge_intr(int irq, void *dev_id, struct pt_regs *regs) @@ -2864,15 +2883,17 @@ static irqreturn_t skge_intr(int irq, void *dev_id, struct pt_regs *regs) if (status == 0 || status == ~0) /* hotplug or shared irq */ return IRQ_NONE; - status &= hw->intr_mask; + spin_lock(&hw->hw_lock); if (status & IS_R1_F) { + skge_write8(hw, Q_ADDR(Q_R1, Q_CSR), CSR_IRQ_CL_F); hw->intr_mask &= ~IS_R1_F; - skge_wakeup(hw->dev[0]); + netif_rx_schedule(hw->dev[0]); } if (status & IS_R2_F) { + skge_write8(hw, Q_ADDR(Q_R2, Q_CSR), CSR_IRQ_CL_F); hw->intr_mask &= ~IS_R2_F; - skge_wakeup(hw->dev[1]); + netif_rx_schedule(hw->dev[1]); } if (status & IS_XA1_F) @@ -2914,6 +2935,7 @@ static irqreturn_t skge_intr(int irq, void *dev_id, struct pt_regs *regs) } skge_write32(hw, B0_IMSK, hw->intr_mask); + spin_unlock(&hw->hw_lock); return IRQ_HANDLED; } @@ -3282,6 +3304,7 @@ static int __devinit skge_probe(struct pci_dev *pdev, hw->pdev = pdev; spin_lock_init(&hw->phy_lock); + spin_lock_init(&hw->hw_lock); tasklet_init(&hw->ext_tasklet, skge_extirq, (unsigned long) hw); hw->regs = ioremap_nocache(pci_resource_start(pdev, 0), 0x4000); diff --git a/drivers/net/skge.h b/drivers/net/skge.h index 2efdacc290e5..941f12a333b6 100644 --- a/drivers/net/skge.h +++ b/drivers/net/skge.h @@ -2402,6 +2402,7 @@ struct skge_hw { struct tasklet_struct ext_tasklet; spinlock_t phy_lock; + spinlock_t hw_lock; }; enum { diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index cae2edf23004..ca8160d68229 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -195,11 +195,11 @@ static int sky2_set_power_state(struct sky2_hw *hw, pci_power_t state) pr_debug("sky2_set_power_state %d\n", state); sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); - pci_read_config_word(hw->pdev, hw->pm_cap + PCI_PM_PMC, &power_control); + power_control = sky2_pci_read16(hw, hw->pm_cap + PCI_PM_PMC); vaux = (sky2_read16(hw, B0_CTST) & Y2_VAUX_AVAIL) && (power_control & PCI_PM_CAP_PME_D3cold); - pci_read_config_word(hw->pdev, hw->pm_cap + PCI_PM_CTRL, &power_control); + power_control = sky2_pci_read16(hw, hw->pm_cap + PCI_PM_CTRL); power_control |= PCI_PM_CTRL_PME_STATUS; power_control &= ~(PCI_PM_CTRL_STATE_MASK); @@ -223,7 +223,7 @@ static int sky2_set_power_state(struct sky2_hw *hw, pci_power_t state) sky2_write8(hw, B2_Y2_CLK_GATE, 0); /* Turn off phy power saving */ - pci_read_config_dword(hw->pdev, PCI_DEV_REG1, ®1); + reg1 = sky2_pci_read32(hw, PCI_DEV_REG1); reg1 &= ~(PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD); /* looks like this XL is back asswards .. */ @@ -232,18 +232,28 @@ static int sky2_set_power_state(struct sky2_hw *hw, pci_power_t state) if (hw->ports > 1) reg1 |= PCI_Y2_PHY2_COMA; } - pci_write_config_dword(hw->pdev, PCI_DEV_REG1, reg1); + + if (hw->chip_id == CHIP_ID_YUKON_EC_U) { + sky2_pci_write32(hw, PCI_DEV_REG3, 0); + reg1 = sky2_pci_read32(hw, PCI_DEV_REG4); + reg1 &= P_ASPM_CONTROL_MSK; + sky2_pci_write32(hw, PCI_DEV_REG4, reg1); + sky2_pci_write32(hw, PCI_DEV_REG5, 0); + } + + sky2_pci_write32(hw, PCI_DEV_REG1, reg1); + break; case PCI_D3hot: case PCI_D3cold: /* Turn on phy power saving */ - pci_read_config_dword(hw->pdev, PCI_DEV_REG1, ®1); + reg1 = sky2_pci_read32(hw, PCI_DEV_REG1); if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) reg1 &= ~(PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD); else reg1 |= (PCI_Y2_PHY1_POWD | PCI_Y2_PHY2_POWD); - pci_write_config_dword(hw->pdev, PCI_DEV_REG1, reg1); + sky2_pci_write32(hw, PCI_DEV_REG1, reg1); if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) sky2_write8(hw, B2_Y2_CLK_GATE, 0); @@ -265,7 +275,7 @@ static int sky2_set_power_state(struct sky2_hw *hw, pci_power_t state) ret = -1; } - pci_write_config_byte(hw->pdev, hw->pm_cap + PCI_PM_CTRL, power_control); + sky2_pci_write16(hw, hw->pm_cap + PCI_PM_CTRL, power_control); sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); return ret; } @@ -463,16 +473,31 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) ledover |= PHY_M_LED_MO_RX(MO_LED_OFF); } - gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl); + if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev >= 2) { + /* apply fixes in PHY AFE */ + gm_phy_write(hw, port, 22, 255); + /* increase differential signal amplitude in 10BASE-T */ + gm_phy_write(hw, port, 24, 0xaa99); + gm_phy_write(hw, port, 23, 0x2011); - if (sky2->autoneg == AUTONEG_DISABLE || sky2->speed == SPEED_100) { - /* turn on 100 Mbps LED (LED_LINK100) */ - ledover |= PHY_M_LED_MO_100(MO_LED_ON); - } + /* fix for IEEE A/B Symmetry failure in 1000BASE-T */ + gm_phy_write(hw, port, 24, 0xa204); + gm_phy_write(hw, port, 23, 0x2002); - if (ledover) - gm_phy_write(hw, port, PHY_MARV_LED_OVER, ledover); + /* set page register to 0 */ + gm_phy_write(hw, port, 22, 0); + } else { + gm_phy_write(hw, port, PHY_MARV_LED_CTRL, ledctrl); + + if (sky2->autoneg == AUTONEG_DISABLE || sky2->speed == SPEED_100) { + /* turn on 100 Mbps LED (LED_LINK100) */ + ledover |= PHY_M_LED_MO_100(MO_LED_ON); + } + + if (ledover) + gm_phy_write(hw, port, PHY_MARV_LED_OVER, ledover); + } /* Enable phy interrupt on auto-negotiation complete (or link up) */ if (sky2->autoneg == AUTONEG_ENABLE) gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_IS_AN_COMPL); @@ -520,10 +545,16 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port) switch (sky2->speed) { case SPEED_1000: + reg &= ~GM_GPCR_SPEED_100; reg |= GM_GPCR_SPEED_1000; - /* fallthru */ + break; case SPEED_100: + reg &= ~GM_GPCR_SPEED_1000; reg |= GM_GPCR_SPEED_100; + break; + case SPEED_10: + reg &= ~(GM_GPCR_SPEED_1000 | GM_GPCR_SPEED_100); + break; } if (sky2->duplex == DUPLEX_FULL) @@ -947,6 +978,12 @@ static int sky2_rx_start(struct sky2_port *sky2) sky2->rx_put = sky2->rx_next = 0; sky2_qset(hw, rxq); + + if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev >= 2) { + /* MAC Rx RAM Read is controlled by hardware */ + sky2_write32(hw, Q_ADDR(rxq, Q_F), F_M_RX_RAM_DIS); + } + sky2_prefetch_init(hw, rxq, sky2->rx_le_map, RX_LE_SIZE - 1); rx_set_checksum(sky2); @@ -1029,9 +1066,10 @@ static int sky2_up(struct net_device *dev) RB_RST_SET); sky2_qset(hw, txqaddr[port]); - if (hw->chip_id == CHIP_ID_YUKON_EC_U) - sky2_write16(hw, Q_ADDR(txqaddr[port], Q_AL), 0x1a0); + /* Set almost empty threshold */ + if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev == 1) + sky2_write16(hw, Q_ADDR(txqaddr[port], Q_AL), 0x1a0); sky2_prefetch_init(hw, txqaddr[port], sky2->tx_le_map, TX_RING_SIZE - 1); @@ -1041,8 +1079,10 @@ static int sky2_up(struct net_device *dev) goto err_out; /* Enable interrupts from phy/mac for port */ + spin_lock_irq(&hw->hw_lock); hw->intr_mask |= (port == 0) ? Y2_IS_PORT_1 : Y2_IS_PORT_2; sky2_write32(hw, B0_IMSK, hw->intr_mask); + spin_unlock_irq(&hw->hw_lock); return 0; err_out: @@ -1342,10 +1382,10 @@ static int sky2_down(struct net_device *dev) netif_stop_queue(dev); /* Disable port IRQ */ - local_irq_disable(); + spin_lock_irq(&hw->hw_lock); hw->intr_mask &= ~((sky2->port == 0) ? Y2_IS_IRQ_PHY1 : Y2_IS_IRQ_PHY2); sky2_write32(hw, B0_IMSK, hw->intr_mask); - local_irq_enable(); + spin_unlock_irq(&hw->hw_lock); flush_scheduled_work(); @@ -1446,6 +1486,29 @@ static void sky2_link_up(struct sky2_port *sky2) sky2_write8(hw, SK_REG(port, GMAC_IRQ_MSK), GMAC_DEF_MSK); reg = gma_read16(hw, port, GM_GP_CTRL); + if (sky2->autoneg == AUTONEG_DISABLE) { + reg |= GM_GPCR_AU_ALL_DIS; + + /* Is write/read necessary? Copied from sky2_mac_init */ + gma_write16(hw, port, GM_GP_CTRL, reg); + gma_read16(hw, port, GM_GP_CTRL); + + switch (sky2->speed) { + case SPEED_1000: + reg &= ~GM_GPCR_SPEED_100; + reg |= GM_GPCR_SPEED_1000; + break; + case SPEED_100: + reg &= ~GM_GPCR_SPEED_1000; + reg |= GM_GPCR_SPEED_100; + break; + case SPEED_10: + reg &= ~(GM_GPCR_SPEED_1000 | GM_GPCR_SPEED_100); + break; + } + } else + reg &= ~GM_GPCR_AU_ALL_DIS; + if (sky2->duplex == DUPLEX_FULL || sky2->autoneg == AUTONEG_ENABLE) reg |= GM_GPCR_DUP_FULL; @@ -1604,10 +1667,10 @@ static void sky2_phy_task(void *arg) out: up(&sky2->phy_sema); - local_irq_disable(); + spin_lock_irq(&hw->hw_lock); hw->intr_mask |= (sky2->port == 0) ? Y2_IS_IRQ_PHY1 : Y2_IS_IRQ_PHY2; sky2_write32(hw, B0_IMSK, hw->intr_mask); - local_irq_enable(); + spin_unlock_irq(&hw->hw_lock); } @@ -1834,6 +1897,17 @@ static int sky2_poll(struct net_device *dev0, int *budget) sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ); + /* + * Kick the STAT_LEV_TIMER_CTRL timer. + * This fixes my hangs on Yukon-EC (0xb6) rev 1. + * The if clause is there to start the timer only if it has been + * configured correctly and not been disabled via ethtool. + */ + if (sky2_read8(hw, STAT_LEV_TIMER_CTRL) == TIM_START) { + sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_STOP); + sky2_write8(hw, STAT_LEV_TIMER_CTRL, TIM_START); + } + hwidx = sky2_read16(hw, STAT_PUT_IDX); BUG_ON(hwidx >= STATUS_RING_SIZE); rmb(); @@ -1916,16 +1990,19 @@ exit_loop: sky2_tx_check(hw, 0, tx_done[0]); sky2_tx_check(hw, 1, tx_done[1]); + if (sky2_read8(hw, STAT_TX_TIMER_CTRL) == TIM_START) { + sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP); + sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); + } + if (likely(work_done < to_do)) { - /* need to restart TX timer */ - if (is_ec_a1(hw)) { - sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP); - sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START); - } + spin_lock_irq(&hw->hw_lock); + __netif_rx_complete(dev0); - netif_rx_complete(dev0); hw->intr_mask |= Y2_IS_STAT_BMU; sky2_write32(hw, B0_IMSK, hw->intr_mask); + spin_unlock_irq(&hw->hw_lock); + return 0; } else { *budget -= work_done; @@ -1988,13 +2065,13 @@ static void sky2_hw_intr(struct sky2_hw *hw) if (status & (Y2_IS_MST_ERR | Y2_IS_IRQ_STAT)) { u16 pci_err; - pci_read_config_word(hw->pdev, PCI_STATUS, &pci_err); + pci_err = sky2_pci_read16(hw, PCI_STATUS); if (net_ratelimit()) printk(KERN_ERR PFX "%s: pci hw error (0x%x)\n", pci_name(hw->pdev), pci_err); sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); - pci_write_config_word(hw->pdev, PCI_STATUS, + sky2_pci_write16(hw, PCI_STATUS, pci_err | PCI_STATUS_ERROR_BITS); sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); } @@ -2003,7 +2080,7 @@ static void sky2_hw_intr(struct sky2_hw *hw) /* PCI-Express uncorrectable Error occurred */ u32 pex_err; - pci_read_config_dword(hw->pdev, PEX_UNC_ERR_STAT, &pex_err); + pex_err = sky2_pci_read32(hw, PEX_UNC_ERR_STAT); if (net_ratelimit()) printk(KERN_ERR PFX "%s: pci express error (0x%x)\n", @@ -2011,7 +2088,7 @@ static void sky2_hw_intr(struct sky2_hw *hw) /* clear the interrupt */ sky2_write32(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); - pci_write_config_dword(hw->pdev, PEX_UNC_ERR_STAT, + sky2_pci_write32(hw, PEX_UNC_ERR_STAT, 0xffffffffUL); sky2_write32(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); @@ -2057,6 +2134,7 @@ static void sky2_phy_intr(struct sky2_hw *hw, unsigned port) hw->intr_mask &= ~(port == 0 ? Y2_IS_IRQ_PHY1 : Y2_IS_IRQ_PHY2); sky2_write32(hw, B0_IMSK, hw->intr_mask); + schedule_work(&sky2->phy_task); } @@ -2070,6 +2148,7 @@ static irqreturn_t sky2_intr(int irq, void *dev_id, struct pt_regs *regs) if (status == 0 || status == ~0) return IRQ_NONE; + spin_lock(&hw->hw_lock); if (status & Y2_IS_HW_ERR) sky2_hw_intr(hw); @@ -2098,7 +2177,7 @@ static irqreturn_t sky2_intr(int irq, void *dev_id, struct pt_regs *regs) sky2_write32(hw, B0_Y2_SP_ICR, 2); - sky2_read32(hw, B0_IMSK); + spin_unlock(&hw->hw_lock); return IRQ_HANDLED; } @@ -2141,7 +2220,7 @@ static int sky2_reset(struct sky2_hw *hw) { u16 status; u8 t8, pmd_type; - int i, err; + int i; sky2_write8(hw, B0_CTST, CS_RST_CLR); @@ -2163,25 +2242,18 @@ static int sky2_reset(struct sky2_hw *hw) sky2_write8(hw, B0_CTST, CS_RST_CLR); /* clear PCI errors, if any */ - err = pci_read_config_word(hw->pdev, PCI_STATUS, &status); - if (err) - goto pci_err; + status = sky2_pci_read16(hw, PCI_STATUS); sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); - err = pci_write_config_word(hw->pdev, PCI_STATUS, - status | PCI_STATUS_ERROR_BITS); - if (err) - goto pci_err; + sky2_pci_write16(hw, PCI_STATUS, status | PCI_STATUS_ERROR_BITS); + sky2_write8(hw, B0_CTST, CS_MRST_CLR); /* clear any PEX errors */ - if (pci_find_capability(hw->pdev, PCI_CAP_ID_EXP)) { - err = pci_write_config_dword(hw->pdev, PEX_UNC_ERR_STAT, - 0xffffffffUL); - if (err) - goto pci_err; - } + if (pci_find_capability(hw->pdev, PCI_CAP_ID_EXP)) + sky2_pci_write32(hw, PEX_UNC_ERR_STAT, 0xffffffffUL); + pmd_type = sky2_read8(hw, B2_PMD_TYP); hw->copper = !(pmd_type == 'L' || pmd_type == 'S'); @@ -2280,8 +2352,7 @@ static int sky2_reset(struct sky2_hw *hw) sky2_write8(hw, STAT_FIFO_ISR_WM, 16); sky2_write32(hw, STAT_TX_TIMER_INI, sky2_us2clk(hw, 1000)); - sky2_write32(hw, STAT_LEV_TIMER_INI, sky2_us2clk(hw, 100)); - sky2_write32(hw, STAT_ISR_TIMER_INI, sky2_us2clk(hw, 20)); + sky2_write32(hw, STAT_ISR_TIMER_INI, sky2_us2clk(hw, 7)); } /* enable status unit */ @@ -2292,14 +2363,6 @@ static int sky2_reset(struct sky2_hw *hw) sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_START); return 0; - -pci_err: - /* This is to catch a BIOS bug workaround where - * mmconfig table doesn't have other buses. - */ - printk(KERN_ERR PFX "%s: can't access PCI config space\n", - pci_name(hw->pdev)); - return err; } static u32 sky2_supported_modes(const struct sky2_hw *hw) @@ -2823,11 +2886,11 @@ static int sky2_set_coalesce(struct net_device *dev, (ecmd->rx_coalesce_usecs_irq < tmin || ecmd->rx_coalesce_usecs_irq > tmax)) return -EINVAL; - if (ecmd->tx_max_coalesced_frames > 0xffff) + if (ecmd->tx_max_coalesced_frames >= TX_RING_SIZE-1) return -EINVAL; - if (ecmd->rx_max_coalesced_frames > 0xff) + if (ecmd->rx_max_coalesced_frames > RX_MAX_PENDING) return -EINVAL; - if (ecmd->rx_max_coalesced_frames_irq > 0xff) + if (ecmd->rx_max_coalesced_frames_irq >RX_MAX_PENDING) return -EINVAL; if (ecmd->tx_coalesce_usecs == 0) @@ -3169,17 +3232,6 @@ static int __devinit sky2_probe(struct pci_dev *pdev, } } -#ifdef __BIG_ENDIAN - /* byte swap descriptors in hardware */ - { - u32 reg; - - pci_read_config_dword(pdev, PCI_DEV_REG2, ®); - reg |= PCI_REV_DESC; - pci_write_config_dword(pdev, PCI_DEV_REG2, reg); - } -#endif - err = -ENOMEM; hw = kzalloc(sizeof(*hw), GFP_KERNEL); if (!hw) { @@ -3197,6 +3249,18 @@ static int __devinit sky2_probe(struct pci_dev *pdev, goto err_out_free_hw; } hw->pm_cap = pm_cap; + spin_lock_init(&hw->hw_lock); + +#ifdef __BIG_ENDIAN + /* byte swap descriptors in hardware */ + { + u32 reg; + + reg = sky2_pci_read32(hw, PCI_DEV_REG2); + reg |= PCI_REV_DESC; + sky2_pci_write32(hw, PCI_DEV_REG2, reg); + } +#endif /* ring for status responses */ hw->st_le = pci_alloc_consistent(hw->pdev, STATUS_LE_BYTES, diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h index fd12c289a238..3edb98075e0a 100644 --- a/drivers/net/sky2.h +++ b/drivers/net/sky2.h @@ -5,14 +5,22 @@ #define _SKY2_H /* PCI config registers */ -#define PCI_DEV_REG1 0x40 -#define PCI_DEV_REG2 0x44 -#define PCI_DEV_STATUS 0x7c -#define PCI_OS_PCI_X (1<<26) +enum { + PCI_DEV_REG1 = 0x40, + PCI_DEV_REG2 = 0x44, + PCI_DEV_STATUS = 0x7c, + PCI_DEV_REG3 = 0x80, + PCI_DEV_REG4 = 0x84, + PCI_DEV_REG5 = 0x88, +}; -#define PEX_LNK_STAT 0xf2 -#define PEX_UNC_ERR_STAT 0x104 -#define PEX_DEV_CTRL 0xe8 +enum { + PEX_DEV_CAP = 0xe4, + PEX_DEV_CTRL = 0xe8, + PEX_DEV_STA = 0xea, + PEX_LNK_STAT = 0xf2, + PEX_UNC_ERR_STAT= 0x104, +}; /* Yukon-2 */ enum pci_dev_reg_1 { @@ -37,6 +45,25 @@ enum pci_dev_reg_2 { PCI_USEDATA64 = 1<<0, /* Use 64Bit Data bus ext */ }; +/* PCI_OUR_REG_4 32 bit Our Register 4 (Yukon-ECU only) */ +enum pci_dev_reg_4 { + /* (Link Training & Status State Machine) */ + P_TIMER_VALUE_MSK = 0xffL<<16, /* Bit 23..16: Timer Value Mask */ + /* (Active State Power Management) */ + P_FORCE_ASPM_REQUEST = 1<<15, /* Force ASPM Request (A1 only) */ + P_ASPM_GPHY_LINK_DOWN = 1<<14, /* GPHY Link Down (A1 only) */ + P_ASPM_INT_FIFO_EMPTY = 1<<13, /* Internal FIFO Empty (A1 only) */ + P_ASPM_CLKRUN_REQUEST = 1<<12, /* CLKRUN Request (A1 only) */ + + P_ASPM_FORCE_CLKREQ_ENA = 1<<4, /* Force CLKREQ Enable (A1b only) */ + P_ASPM_CLKREQ_PAD_CTL = 1<<3, /* CLKREQ PAD Control (A1 only) */ + P_ASPM_A1_MODE_SELECT = 1<<2, /* A1 Mode Select (A1 only) */ + P_CLK_GATE_PEX_UNIT_ENA = 1<<1, /* Enable Gate PEX Unit Clock */ + P_CLK_GATE_ROOT_COR_ENA = 1<<0, /* Enable Gate Root Core Clock */ + P_ASPM_CONTROL_MSK = P_FORCE_ASPM_REQUEST | P_ASPM_GPHY_LINK_DOWN + | P_ASPM_CLKRUN_REQUEST | P_ASPM_INT_FIFO_EMPTY, +}; + #define PCI_STATUS_ERROR_BITS (PCI_STATUS_DETECTED_PARITY | \ PCI_STATUS_SIG_SYSTEM_ERROR | \ @@ -507,6 +534,16 @@ enum { }; #define Q_ADDR(reg, offs) (B8_Q_REGS + (reg) + (offs)) +/* Q_F 32 bit Flag Register */ +enum { + F_ALM_FULL = 1<<27, /* Rx FIFO: almost full */ + F_EMPTY = 1<<27, /* Tx FIFO: empty flag */ + F_FIFO_EOF = 1<<26, /* Tag (EOF Flag) bit in FIFO */ + F_WM_REACHED = 1<<25, /* Watermark reached */ + F_M_RX_RAM_DIS = 1<<24, /* MAC Rx RAM Read Port disable */ + F_FIFO_LEVEL = 0x1fL<<16, /* Bit 23..16: # of Qwords in FIFO */ + F_WATER_MARK = 0x0007ffL, /* Bit 10.. 0: Watermark */ +}; /* Queue Prefetch Unit Offsets, use Y2_QADDR() to address (Yukon-2 only)*/ enum { @@ -909,10 +946,12 @@ enum { PHY_BCOM_ID1_C0 = 0x6044, PHY_BCOM_ID1_C5 = 0x6047, - PHY_MARV_ID1_B0 = 0x0C23, /* Yukon (PHY 88E1011) */ + PHY_MARV_ID1_B0 = 0x0C23, /* Yukon (PHY 88E1011) */ PHY_MARV_ID1_B2 = 0x0C25, /* Yukon-Plus (PHY 88E1011) */ - PHY_MARV_ID1_C2 = 0x0CC2, /* Yukon-EC (PHY 88E1111) */ - PHY_MARV_ID1_Y2 = 0x0C91, /* Yukon-2 (PHY 88E1112) */ + PHY_MARV_ID1_C2 = 0x0CC2, /* Yukon-EC (PHY 88E1111) */ + PHY_MARV_ID1_Y2 = 0x0C91, /* Yukon-2 (PHY 88E1112) */ + PHY_MARV_ID1_FE = 0x0C83, /* Yukon-FE (PHY 88E3082 Rev.A1) */ + PHY_MARV_ID1_ECU= 0x0CB0, /* Yukon-ECU (PHY 88E1149 Rev.B2?) */ }; /* Advertisement register bits */ @@ -1837,8 +1876,9 @@ struct sky2_port { struct sky2_hw { void __iomem *regs; struct pci_dev *pdev; - u32 intr_mask; struct net_device *dev[2]; + spinlock_t hw_lock; + u32 intr_mask; int pm_cap; int msi; @@ -1912,4 +1952,25 @@ static inline void gma_set_addr(struct sky2_hw *hw, unsigned port, unsigned reg, gma_write16(hw, port, reg+4,(u16) addr[2] | ((u16) addr[3] << 8)); gma_write16(hw, port, reg+8,(u16) addr[4] | ((u16) addr[5] << 8)); } + +/* PCI config space access */ +static inline u32 sky2_pci_read32(const struct sky2_hw *hw, unsigned reg) +{ + return sky2_read32(hw, Y2_CFG_SPC + reg); +} + +static inline u16 sky2_pci_read16(const struct sky2_hw *hw, unsigned reg) +{ + return sky2_read16(hw, Y2_CFG_SPC + reg); +} + +static inline void sky2_pci_write32(struct sky2_hw *hw, unsigned reg, u32 val) +{ + sky2_write32(hw, Y2_CFG_SPC + reg, val); +} + +static inline void sky2_pci_write16(struct sky2_hw *hw, unsigned reg, u16 val) +{ + sky2_write16(hw, Y2_CFG_SPC + reg, val); +} #endif diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index e7dc653d5bd6..e8e92c853e89 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -9408,6 +9408,15 @@ static int __devinit tg3_is_sun_570X(struct tg3 *tp) return 0; if (venid == PCI_VENDOR_ID_SUN) return 1; + + /* TG3 chips onboard the SunBlade-2500 don't have the + * subsystem-vendor-id set to PCI_VENDOR_ID_SUN but they + * are distinguishable from non-Sun variants by being + * named "network" by the firmware. Non-Sun cards will + * show up as being named "ethernet". + */ + if (!strcmp(pcp->prom_name, "network")) + return 1; } return 0; } diff --git a/drivers/net/tlan.c b/drivers/net/tlan.c index c2506b56a186..12076f8f942c 100644 --- a/drivers/net/tlan.c +++ b/drivers/net/tlan.c @@ -536,6 +536,7 @@ static int __devinit TLan_probe1(struct pci_dev *pdev, u16 device_id; int reg, rc = -ENODEV; +#ifdef CONFIG_PCI if (pdev) { rc = pci_enable_device(pdev); if (rc) @@ -547,6 +548,7 @@ static int __devinit TLan_probe1(struct pci_dev *pdev, goto err_out; } } +#endif /* CONFIG_PCI */ dev = alloc_etherdev(sizeof(TLanPrivateInfo)); if (dev == NULL) { diff --git a/drivers/net/tokenring/smctr.h b/drivers/net/tokenring/smctr.h index b306c7e4c793..88dfa2e01d6e 100644 --- a/drivers/net/tokenring/smctr.h +++ b/drivers/net/tokenring/smctr.h @@ -1042,7 +1042,7 @@ typedef struct net_local { __u16 functional_address[2]; __u16 bitwise_group_address[2]; - __u8 *ptr_ucode; + const __u8 *ptr_ucode; __u8 cleanup; diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 30b13a6e6fd9..ed37141319ea 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -4636,9 +4636,9 @@ static void ipw_rx_notification(struct ipw_priv *priv, } default: - IPW_ERROR("Unknown notification: " - "subtype=%d,flags=0x%2x,size=%d\n", - notif->subtype, notif->flags, notif->size); + IPW_DEBUG_NOTIF("Unknown notification: " + "subtype=%d,flags=0x%2x,size=%d\n", + notif->subtype, notif->flags, notif->size); } } diff --git a/drivers/net/wireless/wavelan_cs.c b/drivers/net/wireless/wavelan_cs.c index cf373625fc70..98122f3a4bc2 100644 --- a/drivers/net/wireless/wavelan_cs.c +++ b/drivers/net/wireless/wavelan_cs.c @@ -950,16 +950,8 @@ wv_82593_cmd(struct net_device * dev, static inline int wv_diag(struct net_device * dev) { - int ret = FALSE; - - if(wv_82593_cmd(dev, "wv_diag(): diagnose", - OP0_DIAGNOSE, SR0_DIAGNOSE_PASSED)) - ret = TRUE; - -#ifdef DEBUG_CONFIG_ERRORS - printk(KERN_INFO "wavelan_cs: i82593 Self Test failed!\n"); -#endif - return(ret); + return(wv_82593_cmd(dev, "wv_diag(): diagnose", + OP0_DIAGNOSE, SR0_DIAGNOSE_PASSED)); } /* wv_diag */ /*------------------------------------------------------------------*/ @@ -3604,8 +3596,8 @@ wv_82593_config(struct net_device * dev) cfblk.lin_prio = 0; /* conform to 802.3 backoff algoritm */ cfblk.exp_prio = 5; /* conform to 802.3 backoff algoritm */ cfblk.bof_met = 1; /* conform to 802.3 backoff algoritm */ - cfblk.ifrm_spc = 0x20; /* 32 bit times interframe spacing */ - cfblk.slottim_low = 0x20; /* 32 bit times slot time */ + cfblk.ifrm_spc = 0x20 >> 4; /* 32 bit times interframe spacing */ + cfblk.slottim_low = 0x20 >> 5; /* 32 bit times slot time */ cfblk.slottim_hi = 0x0; cfblk.max_retr = 15; cfblk.prmisc = ((lp->promiscuous) ? TRUE: FALSE); /* Promiscuous mode */ diff --git a/drivers/s390/block/Kconfig b/drivers/s390/block/Kconfig index 6912399d0937..6f50cc9323d9 100644 --- a/drivers/s390/block/Kconfig +++ b/drivers/s390/block/Kconfig @@ -55,21 +55,13 @@ config DASD_DIAG Disks under VM. If you are not running under VM or unsure what it is, say "N". -config DASD_EER - tristate "Extended error reporting (EER)" - depends on DASD - help - This driver provides a character device interface to the - DASD extended error reporting. This is only needed if you want to - use applications written for the EER facility. - config DASD_CMB tristate "Compatibility interface for DASD channel measurement blocks" depends on DASD help - This driver provides an additional interface to the channel - measurement facility, which is normally accessed though sysfs, with - a set of ioctl functions specific to the dasd driver. + This driver provides an additional interface to the channel measurement + facility, which is normally accessed though sysfs, with a set of + ioctl functions specific to the dasd driver. This is only needed if you want to use applications written for linux-2.4 dasd channel measurement facility interface. diff --git a/drivers/s390/block/Makefile b/drivers/s390/block/Makefile index 0c0d871e8f51..58c6780134f7 100644 --- a/drivers/s390/block/Makefile +++ b/drivers/s390/block/Makefile @@ -5,7 +5,6 @@ dasd_eckd_mod-objs := dasd_eckd.o dasd_3990_erp.o dasd_9343_erp.o dasd_fba_mod-objs := dasd_fba.o dasd_3370_erp.o dasd_9336_erp.o dasd_diag_mod-objs := dasd_diag.o -dasd_eer_mod-objs := dasd_eer.o dasd_mod-objs := dasd.o dasd_ioctl.o dasd_proc.o dasd_devmap.o \ dasd_genhd.o dasd_erp.o @@ -14,6 +13,5 @@ obj-$(CONFIG_DASD_DIAG) += dasd_diag_mod.o obj-$(CONFIG_DASD_ECKD) += dasd_eckd_mod.o obj-$(CONFIG_DASD_FBA) += dasd_fba_mod.o obj-$(CONFIG_DASD_CMB) += dasd_cmb.o -obj-$(CONFIG_DASD_EER) += dasd_eer.o obj-$(CONFIG_BLK_DEV_XPRAM) += xpram.o obj-$(CONFIG_DCSSBLK) += dcssblk.o diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 08c88fcd8963..af1d5b404cee 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -18,7 +18,6 @@ #include <linux/slab.h> #include <linux/buffer_head.h> #include <linux/hdreg.h> -#include <linux/notifier.h> #include <asm/ccwdev.h> #include <asm/ebcdic.h> @@ -58,7 +57,6 @@ static void dasd_int_handler(struct ccw_device *, unsigned long, struct irb *); static void dasd_flush_ccw_queue(struct dasd_device *, int); static void dasd_tasklet(struct dasd_device *); static void do_kick_device(void *data); -static void dasd_disable_eer(struct dasd_device *device); /* * SECTION: Operations on the device structure. @@ -153,10 +151,13 @@ dasd_state_new_to_known(struct dasd_device *device) static inline void dasd_state_known_to_new(struct dasd_device * device) { - /* disable extended error reporting for this device */ - dasd_disable_eer(device); /* Forget the discipline information. */ + if (device->discipline) + module_put(device->discipline->owner); device->discipline = NULL; + if (device->base_discipline) + module_put(device->base_discipline->owner); + device->base_discipline = NULL; device->state = DASD_STATE_NEW; dasd_free_queue(device); @@ -871,9 +872,6 @@ dasd_handle_state_change_pending(struct dasd_device *device) struct dasd_ccw_req *cqr; struct list_head *l, *n; - /* first of all call extended error reporting */ - dasd_write_eer_trigger(DASD_EER_STATECHANGE, device, NULL); - device->stopped &= ~DASD_STOPPED_PENDING; /* restart all 'running' IO on queue */ @@ -1093,19 +1091,6 @@ restart: } goto restart; } - - /* first of all call extended error reporting */ - if (device->eer && cqr->status == DASD_CQR_FAILED) { - dasd_write_eer_trigger(DASD_EER_FATALERROR, - device, cqr); - - /* restart request */ - cqr->status = DASD_CQR_QUEUED; - cqr->retries = 255; - device->stopped |= DASD_STOPPED_QUIESCE; - goto restart; - } - /* Process finished ERP request. */ if (cqr->refers) { __dasd_process_erp(device, cqr); @@ -1243,8 +1228,7 @@ __dasd_start_head(struct dasd_device * device) cqr = list_entry(device->ccw_queue.next, struct dasd_ccw_req, list); /* check FAILFAST */ if (device->stopped & ~DASD_STOPPED_PENDING && - test_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags) && - (!device->eer)) { + test_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags)) { cqr->status = DASD_CQR_FAILED; dasd_schedule_bh(device); } @@ -1880,9 +1864,10 @@ dasd_generic_remove (struct ccw_device *cdev) */ int dasd_generic_set_online (struct ccw_device *cdev, - struct dasd_discipline *discipline) + struct dasd_discipline *base_discipline) { + struct dasd_discipline *discipline; struct dasd_device *device; int rc; @@ -1890,6 +1875,7 @@ dasd_generic_set_online (struct ccw_device *cdev, if (IS_ERR(device)) return PTR_ERR(device); + discipline = base_discipline; if (device->features & DASD_FEATURE_USEDIAG) { if (!dasd_diag_discipline_pointer) { printk (KERN_WARNING @@ -1901,6 +1887,16 @@ dasd_generic_set_online (struct ccw_device *cdev, } discipline = dasd_diag_discipline_pointer; } + if (!try_module_get(base_discipline->owner)) { + dasd_delete_device(device); + return -EINVAL; + } + if (!try_module_get(discipline->owner)) { + module_put(base_discipline->owner); + dasd_delete_device(device); + return -EINVAL; + } + device->base_discipline = base_discipline; device->discipline = discipline; rc = discipline->check_device(device); @@ -1909,6 +1905,8 @@ dasd_generic_set_online (struct ccw_device *cdev, "dasd_generic couldn't online device %s " "with discipline %s rc=%i\n", cdev->dev.bus_id, discipline->name, rc); + module_put(discipline->owner); + module_put(base_discipline->owner); dasd_delete_device(device); return rc; } @@ -1986,9 +1984,6 @@ dasd_generic_notify(struct ccw_device *cdev, int event) switch (event) { case CIO_GONE: case CIO_NO_PATH: - /* first of all call extended error reporting */ - dasd_write_eer_trigger(DASD_EER_NOPATH, device, NULL); - if (device->state < DASD_STATE_BASIC) break; /* Device is active. We want to keep it. */ @@ -2046,51 +2041,6 @@ dasd_generic_auto_online (struct ccw_driver *dasd_discipline_driver) put_driver(drv); } -/* - * notifications for extended error reports - */ -static struct notifier_block *dasd_eer_chain; - -int -dasd_register_eer_notifier(struct notifier_block *nb) -{ - return notifier_chain_register(&dasd_eer_chain, nb); -} - -int -dasd_unregister_eer_notifier(struct notifier_block *nb) -{ - return notifier_chain_unregister(&dasd_eer_chain, nb); -} - -/* - * Notify the registered error reporting module of a problem - */ -void -dasd_write_eer_trigger(unsigned int id, struct dasd_device *device, - struct dasd_ccw_req *cqr) -{ - if (device->eer) { - struct dasd_eer_trigger temp; - temp.id = id; - temp.device = device; - temp.cqr = cqr; - notifier_call_chain(&dasd_eer_chain, DASD_EER_TRIGGER, - (void *)&temp); - } -} - -/* - * Tell the registered error reporting module to disable error reporting for - * a given device and to cleanup any private data structures on that device. - */ -static void -dasd_disable_eer(struct dasd_device *device) -{ - notifier_call_chain(&dasd_eer_chain, DASD_EER_DISABLE, (void *)device); -} - - static int __init dasd_init(void) { @@ -2172,11 +2122,6 @@ EXPORT_SYMBOL_GPL(dasd_generic_set_online); EXPORT_SYMBOL_GPL(dasd_generic_set_offline); EXPORT_SYMBOL_GPL(dasd_generic_auto_online); -EXPORT_SYMBOL(dasd_register_eer_notifier); -EXPORT_SYMBOL(dasd_unregister_eer_notifier); -EXPORT_SYMBOL(dasd_write_eer_trigger); - - /* * Overrides for Emacs so that we follow Linus's tabbing style. * Emacs will notice this stuff at the end of the file and automatically diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c index c811380b9079..4ee0f934e325 100644 --- a/drivers/s390/block/dasd_3990_erp.c +++ b/drivers/s390/block/dasd_3990_erp.c @@ -1108,9 +1108,6 @@ dasd_3990_handle_env_data(struct dasd_ccw_req * erp, char *sense) case 0x0B: DEV_MESSAGE(KERN_WARNING, device, "%s", "FORMAT F - Volume is suspended duplex"); - /* call extended error reporting (EER) */ - dasd_write_eer_trigger(DASD_EER_PPRCSUSPEND, device, - erp->refers); break; case 0x0C: DEV_MESSAGE(KERN_WARNING, device, "%s", diff --git a/drivers/s390/block/dasd_eckd.h b/drivers/s390/block/dasd_eckd.h index e15dd7978050..bc3823d35223 100644 --- a/drivers/s390/block/dasd_eckd.h +++ b/drivers/s390/block/dasd_eckd.h @@ -29,7 +29,6 @@ #define DASD_ECKD_CCW_PSF 0x27 #define DASD_ECKD_CCW_RSSD 0x3e #define DASD_ECKD_CCW_LOCATE_RECORD 0x47 -#define DASD_ECKD_CCW_SNSS 0x54 #define DASD_ECKD_CCW_DEFINE_EXTENT 0x63 #define DASD_ECKD_CCW_WRITE_MT 0x85 #define DASD_ECKD_CCW_READ_MT 0x86 diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c deleted file mode 100644 index f70cd7716b24..000000000000 --- a/drivers/s390/block/dasd_eer.c +++ /dev/null @@ -1,1090 +0,0 @@ -/* - * character device driver for extended error reporting - * - * - * Copyright (C) 2005 IBM Corporation - * extended error reporting for DASD ECKD devices - * Author(s): Stefan Weinhuber <wein@de.ibm.com> - * - */ - -#include <linux/init.h> -#include <linux/fs.h> -#include <linux/kernel.h> -#include <linux/miscdevice.h> -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/device.h> -#include <linux/workqueue.h> -#include <linux/poll.h> -#include <linux/notifier.h> - -#include <asm/uaccess.h> -#include <asm/semaphore.h> -#include <asm/atomic.h> -#include <asm/ebcdic.h> - -#include "dasd_int.h" -#include "dasd_eckd.h" - - -MODULE_LICENSE("GPL"); - -MODULE_AUTHOR("Stefan Weinhuber <wein@de.ibm.com>"); -MODULE_DESCRIPTION("DASD extended error reporting module"); - - -#ifdef PRINTK_HEADER -#undef PRINTK_HEADER -#endif /* PRINTK_HEADER */ -#define PRINTK_HEADER "dasd(eer):" - - - - - -/*****************************************************************************/ -/* the internal buffer */ -/*****************************************************************************/ - -/* - * The internal buffer is meant to store obaque blobs of data, so it doesn't - * know of higher level concepts like triggers. - * It consists of a number of pages that are used as a ringbuffer. Each data - * blob is stored in a simple record that consists of an integer, which - * contains the size of the following data, and the data bytes themselfes. - * - * To allow for multiple independent readers we create one internal buffer - * each time the device is opened and destroy the buffer when the file is - * closed again. - * - * One record can be written to a buffer by using the functions - * - dasd_eer_start_record (one time per record to write the size to the buffer - * and reserve the space for the data) - * - dasd_eer_write_buffer (one or more times per record to write the data) - * The data can be written in several steps but you will have to compute - * the total size up front for the invocation of dasd_eer_start_record. - * If the ringbuffer is full, dasd_eer_start_record will remove the required - * number of old records. - * - * A record is typically read in two steps, first read the integer that - * specifies the size of the following data, then read the data. - * Both can be done by - * - dasd_eer_read_buffer - * - * For all mentioned functions you need to get the bufferlock first and keep it - * until a complete record is written or read. - */ - - -/* - * Alle information necessary to keep track of an internal buffer is kept in - * a struct eerbuffer. The buffer specific to a file pointer is strored in - * the private_data field of that file. To be able to write data to all - * existing buffers, each buffer is also added to the bufferlist. - * If the user doesn't want to read a complete record in one go, we have to - * keep track of the rest of the record. residual stores the number of bytes - * that are still to deliver. If the rest of the record is invalidated between - * two reads then residual will be set to -1 so that the next read will fail. - * All entries in the eerbuffer structure are protected with the bufferlock. - * To avoid races between writing to a buffer on the one side and creating - * and destroying buffers on the other side, the bufferlock must also be used - * to protect the bufferlist. - */ - -struct eerbuffer { - struct list_head list; - char **buffer; - int buffersize; - int buffer_page_count; - int head; - int tail; - int residual; -}; - -LIST_HEAD(bufferlist); - -static spinlock_t bufferlock = SPIN_LOCK_UNLOCKED; - -DECLARE_WAIT_QUEUE_HEAD(dasd_eer_read_wait_queue); - -/* - * How many free bytes are available on the buffer. - * needs to be called with bufferlock held - */ -static int -dasd_eer_get_free_bytes(struct eerbuffer *eerb) -{ - if (eerb->head < eerb->tail) { - return eerb->tail - eerb->head - 1; - } else - return eerb->buffersize - eerb->head + eerb->tail -1; -} - -/* - * How many bytes of buffer space are used. - * needs to be called with bufferlock held - */ -static int -dasd_eer_get_filled_bytes(struct eerbuffer *eerb) -{ - - if (eerb->head >= eerb->tail) { - return eerb->head - eerb->tail; - } else - return eerb->buffersize - eerb->tail + eerb->head; -} - -/* - * The dasd_eer_write_buffer function just copies count bytes of data - * to the buffer. Make sure to call dasd_eer_start_record first, to - * make sure that enough free space is available. - * needs to be called with bufferlock held - */ -static void -dasd_eer_write_buffer(struct eerbuffer *eerb, int count, char *data) -{ - - unsigned long headindex,localhead; - unsigned long rest, len; - char *nextdata; - - nextdata = data; - rest = count; - while (rest > 0) { - headindex = eerb->head / PAGE_SIZE; - localhead = eerb->head % PAGE_SIZE; - len = min(rest, (PAGE_SIZE - localhead)); - memcpy(eerb->buffer[headindex]+localhead, nextdata, len); - nextdata += len; - rest -= len; - eerb->head += len; - if ( eerb->head == eerb->buffersize ) - eerb->head = 0; /* wrap around */ - if (eerb->head > eerb->buffersize) { - MESSAGE(KERN_ERR, "%s", "runaway buffer head."); - BUG(); - } - } -} - -/* - * needs to be called with bufferlock held - */ -static int -dasd_eer_read_buffer(struct eerbuffer *eerb, int count, char *data) -{ - - unsigned long tailindex,localtail; - unsigned long rest, len, finalcount; - char *nextdata; - - finalcount = min(count, dasd_eer_get_filled_bytes(eerb)); - nextdata = data; - rest = finalcount; - while (rest > 0) { - tailindex = eerb->tail / PAGE_SIZE; - localtail = eerb->tail % PAGE_SIZE; - len = min(rest, (PAGE_SIZE - localtail)); - memcpy(nextdata, eerb->buffer[tailindex]+localtail, len); - nextdata += len; - rest -= len; - eerb->tail += len; - if ( eerb->tail == eerb->buffersize ) - eerb->tail = 0; /* wrap around */ - if (eerb->tail > eerb->buffersize) { - MESSAGE(KERN_ERR, "%s", "runaway buffer tail."); - BUG(); - } - } - return finalcount; -} - -/* - * Whenever you want to write a blob of data to the internal buffer you - * have to start by using this function first. It will write the number - * of bytes that will be written to the buffer. If necessary it will remove - * old records to make room for the new one. - * needs to be called with bufferlock held - */ -static int -dasd_eer_start_record(struct eerbuffer *eerb, int count) -{ - int tailcount; - if (count + sizeof(count) > eerb->buffersize) - return -ENOMEM; - while (dasd_eer_get_free_bytes(eerb) < count + sizeof(count)) { - if (eerb->residual > 0) { - eerb->tail += eerb->residual; - if (eerb->tail >= eerb->buffersize) - eerb->tail -= eerb->buffersize; - eerb->residual = -1; - } - dasd_eer_read_buffer(eerb, sizeof(tailcount), - (char*)(&tailcount)); - eerb->tail += tailcount; - if (eerb->tail >= eerb->buffersize) - eerb->tail -= eerb->buffersize; - } - dasd_eer_write_buffer(eerb, sizeof(count), (char*)(&count)); - - return 0; -}; - -/* - * release pages that are not used anymore - */ -static void -dasd_eer_free_buffer_pages(char **buf, int no_pages) -{ - int i; - - for (i = 0; i < no_pages; ++i) { - free_page((unsigned long)buf[i]); - } -} - -/* - * allocate a new set of memory pages - */ -static int -dasd_eer_allocate_buffer_pages(char **buf, int no_pages) -{ - int i; - - for (i = 0; i < no_pages; ++i) { - buf[i] = (char *) get_zeroed_page(GFP_KERNEL); - if (!buf[i]) { - dasd_eer_free_buffer_pages(buf, i); - return -ENOMEM; - } - } - return 0; -} - -/* - * empty the buffer by resetting head and tail - * In case there is a half read data blob in the buffer, we set residual - * to -1 to indicate that the remainder of the blob is lost. - */ -static void -dasd_eer_purge_buffer(struct eerbuffer *eerb) -{ - unsigned long flags; - - spin_lock_irqsave(&bufferlock, flags); - if (eerb->residual > 0) - eerb->residual = -1; - eerb->tail=0; - eerb->head=0; - spin_unlock_irqrestore(&bufferlock, flags); -} - -/* - * set the size of the buffer, newsize is the new number of pages to be used - * we don't try to copy any data back an forth, so any resize will also purge - * the buffer - */ -static int -dasd_eer_resize_buffer(struct eerbuffer *eerb, int newsize) -{ - int i, oldcount, reuse; - char **new; - char **old; - unsigned long flags; - - if (newsize < 1) - return -EINVAL; - if (eerb->buffer_page_count == newsize) { - /* documented behaviour is that any successfull invocation - * will purge all records */ - dasd_eer_purge_buffer(eerb); - return 0; - } - new = kmalloc(newsize*sizeof(char*), GFP_KERNEL); - if (!new) - return -ENOMEM; - - reuse=min(eerb->buffer_page_count, newsize); - for (i = 0; i < reuse; ++i) { - new[i] = eerb->buffer[i]; - } - if (eerb->buffer_page_count < newsize) { - if (dasd_eer_allocate_buffer_pages( - &new[eerb->buffer_page_count], - newsize - eerb->buffer_page_count)) { - kfree(new); - return -ENOMEM; - } - } - - spin_lock_irqsave(&bufferlock, flags); - old = eerb->buffer; - eerb->buffer = new; - if (eerb->residual > 0) - eerb->residual = -1; - eerb->tail = 0; - eerb->head = 0; - oldcount = eerb->buffer_page_count; - eerb->buffer_page_count = newsize; - spin_unlock_irqrestore(&bufferlock, flags); - - if (oldcount > newsize) { - for (i = newsize; i < oldcount; ++i) { - free_page((unsigned long)old[i]); - } - } - kfree(old); - - return 0; -} - - -/*****************************************************************************/ -/* The extended error reporting functionality */ -/*****************************************************************************/ - -/* - * When a DASD device driver wants to report an error, it calls the - * function dasd_eer_write_trigger (via a notifier mechanism) and gives the - * respective trigger ID as parameter. - * Currently there are four kinds of triggers: - * - * DASD_EER_FATALERROR: all kinds of unrecoverable I/O problems - * DASD_EER_PPRCSUSPEND: PPRC was suspended - * DASD_EER_NOPATH: There is no path to the device left. - * DASD_EER_STATECHANGE: The state of the device has changed. - * - * For the first three triggers all required information can be supplied by - * the caller. For these triggers a record is written by the function - * dasd_eer_write_standard_trigger. - * - * When dasd_eer_write_trigger is called to write a DASD_EER_STATECHANGE - * trigger, we have to gather the necessary sense data first. We cannot queue - * the necessary SNSS (sense subsystem status) request immediatly, since we - * are likely to run in a deadlock situation. Instead, we schedule a - * work_struct that calls the function dasd_eer_sense_subsystem_status to - * create and start an SNSS request asynchronously. - * - * To avoid memory allocations at runtime, the necessary memory is allocated - * when the extended error reporting is enabled for a device (by - * dasd_eer_probe). There is one private eer data structure for each eer - * enabled DASD device. It contains memory for the work_struct, one SNSS cqr - * and a flags field that is used to coordinate the use of the cqr. The call - * to write a state change trigger can come in at any time, so we have one flag - * CQR_IN_USE that protects the cqr itself. When this flag indicates that the - * cqr is currently in use, dasd_eer_sense_subsystem_status cannot start a - * second request but sets the SNSS_REQUESTED flag instead. - * - * When the request is finished, the callback function dasd_eer_SNSS_cb - * is called. This function will invoke the function - * dasd_eer_write_SNSS_trigger to finally write the trigger. It will also - * check the SNSS_REQUESTED flag and if it is set it will call - * dasd_eer_sense_subsystem_status again. - * - * To avoid race conditions during the handling of the lock, the flags must - * be protected by the snsslock. - */ - -struct dasd_eer_private { - struct dasd_ccw_req *cqr; - unsigned long flags; - struct work_struct worker; -}; - -static void dasd_eer_destroy(struct dasd_device *device, - struct dasd_eer_private *eer); -static int -dasd_eer_write_trigger(struct dasd_eer_trigger *trigger); -static void dasd_eer_sense_subsystem_status(void *data); -static int dasd_eer_notify(struct notifier_block *self, - unsigned long action, void *data); - -struct workqueue_struct *dasd_eer_workqueue; - -#define SNSS_DATA_SIZE 44 -static spinlock_t snsslock = SPIN_LOCK_UNLOCKED; - -#define DASD_EER_BUSID_SIZE 10 -struct dasd_eer_header { - __u32 total_size; - __u32 trigger; - __u64 tv_sec; - __u64 tv_usec; - char busid[DASD_EER_BUSID_SIZE]; -} __attribute__ ((packed)); - -static struct notifier_block dasd_eer_nb = { - .notifier_call = dasd_eer_notify, -}; - -/* - * flags for use with dasd_eer_private - */ -#define CQR_IN_USE 0 -#define SNSS_REQUESTED 1 - -/* - * This function checks if extended error reporting is available for a given - * dasd_device. If yes, then it creates and returns a struct dasd_eer, - * otherwise it returns an -EPERM error pointer. - */ -struct dasd_eer_private * -dasd_eer_probe(struct dasd_device *device) -{ - struct dasd_eer_private *private; - - if (!(device && device->discipline - && !strcmp(device->discipline->name, "ECKD"))) { - return ERR_PTR(-EPERM); - } - /* allocate the private data structure */ - private = (struct dasd_eer_private *)kmalloc( - sizeof(struct dasd_eer_private), GFP_KERNEL); - if (!private) { - return ERR_PTR(-ENOMEM); - } - INIT_WORK(&private->worker, dasd_eer_sense_subsystem_status, - (void *)device); - private->cqr = dasd_kmalloc_request("ECKD", - 1 /* SNSS */ , - SNSS_DATA_SIZE , - device); - if (!private->cqr) { - kfree(private); - return ERR_PTR(-ENOMEM); - } - private->flags = 0; - return private; -}; - -/* - * If our private SNSS request is queued, remove it from the - * dasd ccw queue so we can free the requests memory. - */ -static void -dasd_eer_dequeue_SNSS_request(struct dasd_device *device, - struct dasd_eer_private *eer) -{ - struct list_head *lst, *nxt; - struct dasd_ccw_req *cqr, *erpcqr; - dasd_erp_fn_t erp_fn; - - spin_lock_irq(get_ccwdev_lock(device->cdev)); - list_for_each_safe(lst, nxt, &device->ccw_queue) { - cqr = list_entry(lst, struct dasd_ccw_req, list); - /* we are looking for two kinds or requests */ - /* first kind: our SNSS request: */ - if (cqr == eer->cqr) { - if (cqr->status == DASD_CQR_IN_IO) - device->discipline->term_IO(cqr); - list_del(&cqr->list); - break; - } - /* second kind: ERP requests for our SNSS request */ - if (cqr->refers) { - /* If this erp request chain ends in our cqr, then */ - /* cal the erp_postaction to clean it up */ - erpcqr = cqr; - while (erpcqr->refers) { - erpcqr = erpcqr->refers; - } - if (erpcqr == eer->cqr) { - erp_fn = device->discipline->erp_postaction( - cqr); - erp_fn(cqr); - } - continue; - } - } - spin_unlock_irq(get_ccwdev_lock(device->cdev)); -} - -/* - * This function dismantles a struct dasd_eer that was created by - * dasd_eer_probe. Since we want to free our private data structure, - * we must make sure that the memory is not in use anymore. - * We have to flush the work queue and remove a possible SNSS request - * from the dasd queue. - */ -static void -dasd_eer_destroy(struct dasd_device *device, struct dasd_eer_private *eer) -{ - flush_workqueue(dasd_eer_workqueue); - dasd_eer_dequeue_SNSS_request(device, eer); - dasd_kfree_request(eer->cqr, device); - kfree(eer); -}; - -/* - * enable the extended error reporting for a particular device - */ -static int -dasd_eer_enable_on_device(struct dasd_device *device) -{ - void *eer; - if (!device) - return -ENODEV; - if (device->eer) - return 0; - if (!try_module_get(THIS_MODULE)) { - return -EINVAL; - } - eer = (void *)dasd_eer_probe(device); - if (IS_ERR(eer)) { - module_put(THIS_MODULE); - return PTR_ERR(eer); - } - device->eer = eer; - return 0; -} - -/* - * enable the extended error reporting for a particular device - */ -static int -dasd_eer_disable_on_device(struct dasd_device *device) -{ - struct dasd_eer_private *eer = device->eer; - - if (!device) - return -ENODEV; - if (!device->eer) - return 0; - device->eer = NULL; - dasd_eer_destroy(device,eer); - module_put(THIS_MODULE); - - return 0; -} - -/* - * Set extended error reporting (eer) - * Note: This will be registered as a DASD ioctl, to be called on DASD devices. - */ -static int -dasd_ioctl_set_eer(struct block_device *bdev, int no, long args) -{ - struct dasd_device *device; - int intval; - - if (!capable(CAP_SYS_ADMIN)) - return -EACCES; - if (bdev != bdev->bd_contains) - /* Error-reporting is not allowed for partitions */ - return -EINVAL; - if (get_user(intval, (int __user *) args)) - return -EFAULT; - device = bdev->bd_disk->private_data; - if (device == NULL) - return -ENODEV; - - intval = (intval != 0); - DEV_MESSAGE (KERN_DEBUG, device, - "set eer on device to %d", intval); - if (intval) - return dasd_eer_enable_on_device(device); - else - return dasd_eer_disable_on_device(device); -} - -/* - * Get value of extended error reporting. - * Note: This will be registered as a DASD ioctl, to be called on DASD devices. - */ -static int -dasd_ioctl_get_eer(struct block_device *bdev, int no, long args) -{ - struct dasd_device *device; - - device = bdev->bd_disk->private_data; - if (device == NULL) - return -ENODEV; - return put_user((device->eer != NULL), (int __user *) args); -} - -/* - * The following function can be used for those triggers that have - * all necessary data available when the function is called. - * If the parameter cqr is not NULL, the chain of requests will be searched - * for valid sense data, and all valid sense data sets will be added to - * the triggers data. - */ -static int -dasd_eer_write_standard_trigger(int trigger, struct dasd_device *device, - struct dasd_ccw_req *cqr) -{ - struct dasd_ccw_req *temp_cqr; - int data_size; - struct timeval tv; - struct dasd_eer_header header; - unsigned long flags; - struct eerbuffer *eerb; - - /* go through cqr chain and count the valid sense data sets */ - temp_cqr = cqr; - data_size = 0; - while (temp_cqr) { - if (temp_cqr->irb.esw.esw0.erw.cons) - data_size += 32; - temp_cqr = temp_cqr->refers; - } - - header.total_size = sizeof(header) + data_size + 4; /* "EOR" */ - header.trigger = trigger; - do_gettimeofday(&tv); - header.tv_sec = tv.tv_sec; - header.tv_usec = tv.tv_usec; - strncpy(header.busid, device->cdev->dev.bus_id, DASD_EER_BUSID_SIZE); - - spin_lock_irqsave(&bufferlock, flags); - list_for_each_entry(eerb, &bufferlist, list) { - dasd_eer_start_record(eerb, header.total_size); - dasd_eer_write_buffer(eerb, sizeof(header), (char*)(&header)); - temp_cqr = cqr; - while (temp_cqr) { - if (temp_cqr->irb.esw.esw0.erw.cons) - dasd_eer_write_buffer(eerb, 32, cqr->irb.ecw); - temp_cqr = temp_cqr->refers; - } - dasd_eer_write_buffer(eerb, 4,"EOR"); - } - spin_unlock_irqrestore(&bufferlock, flags); - - wake_up_interruptible(&dasd_eer_read_wait_queue); - - return 0; -} - -/* - * This function writes a DASD_EER_STATECHANGE trigger. - */ -static void -dasd_eer_write_SNSS_trigger(struct dasd_device *device, - struct dasd_ccw_req *cqr) -{ - int data_size; - int snss_rc; - struct timeval tv; - struct dasd_eer_header header; - unsigned long flags; - struct eerbuffer *eerb; - - snss_rc = (cqr->status == DASD_CQR_FAILED) ? -EIO : 0; - if (snss_rc) - data_size = 0; - else - data_size = SNSS_DATA_SIZE; - - header.total_size = sizeof(header) + data_size + 4; /* "EOR" */ - header.trigger = DASD_EER_STATECHANGE; - do_gettimeofday(&tv); - header.tv_sec = tv.tv_sec; - header.tv_usec = tv.tv_usec; - strncpy(header.busid, device->cdev->dev.bus_id, DASD_EER_BUSID_SIZE); - - spin_lock_irqsave(&bufferlock, flags); - list_for_each_entry(eerb, &bufferlist, list) { - dasd_eer_start_record(eerb, header.total_size); - dasd_eer_write_buffer(eerb, sizeof(header),(char*)(&header)); - if (!snss_rc) - dasd_eer_write_buffer(eerb, SNSS_DATA_SIZE, cqr->data); - dasd_eer_write_buffer(eerb, 4,"EOR"); - } - spin_unlock_irqrestore(&bufferlock, flags); - - wake_up_interruptible(&dasd_eer_read_wait_queue); -} - -/* - * callback function for use with SNSS request - */ -static void -dasd_eer_SNSS_cb(struct dasd_ccw_req *cqr, void *data) -{ - struct dasd_device *device; - struct dasd_eer_private *private; - unsigned long irqflags; - - device = (struct dasd_device *)data; - private = (struct dasd_eer_private *)device->eer; - dasd_eer_write_SNSS_trigger(device, cqr); - spin_lock_irqsave(&snsslock, irqflags); - if(!test_and_clear_bit(SNSS_REQUESTED, &private->flags)) { - clear_bit(CQR_IN_USE, &private->flags); - spin_unlock_irqrestore(&snsslock, irqflags); - return; - }; - clear_bit(CQR_IN_USE, &private->flags); - spin_unlock_irqrestore(&snsslock, irqflags); - dasd_eer_sense_subsystem_status(device); - return; -} - -/* - * clean a used cqr before using it again - */ -static void -dasd_eer_clean_SNSS_request(struct dasd_ccw_req *cqr) -{ - struct ccw1 *cpaddr = cqr->cpaddr; - void *data = cqr->data; - - memset(cqr, 0, sizeof(struct dasd_ccw_req)); - memset(cpaddr, 0, sizeof(struct ccw1)); - memset(data, 0, SNSS_DATA_SIZE); - cqr->cpaddr = cpaddr; - cqr->data = data; - strncpy((char *) &cqr->magic, "ECKD", 4); - ASCEBC((char *) &cqr->magic, 4); - set_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags); -} - -/* - * build and start an SNSS request - * This function is called from a work queue so we have to - * pass the dasd_device pointer as a void pointer. - */ -static void -dasd_eer_sense_subsystem_status(void *data) -{ - struct dasd_device *device; - struct dasd_eer_private *private; - struct dasd_ccw_req *cqr; - struct ccw1 *ccw; - unsigned long irqflags; - - device = (struct dasd_device *)data; - private = (struct dasd_eer_private *)device->eer; - if (!private) /* device not eer enabled any more */ - return; - cqr = private->cqr; - spin_lock_irqsave(&snsslock, irqflags); - if(test_and_set_bit(CQR_IN_USE, &private->flags)) { - set_bit(SNSS_REQUESTED, &private->flags); - spin_unlock_irqrestore(&snsslock, irqflags); - return; - }; - spin_unlock_irqrestore(&snsslock, irqflags); - dasd_eer_clean_SNSS_request(cqr); - cqr->device = device; - cqr->retries = 255; - cqr->expires = 10 * HZ; - - ccw = cqr->cpaddr; - ccw->cmd_code = DASD_ECKD_CCW_SNSS; - ccw->count = SNSS_DATA_SIZE; - ccw->flags = 0; - ccw->cda = (__u32)(addr_t)cqr->data; - - cqr->buildclk = get_clock(); - cqr->status = DASD_CQR_FILLED; - cqr->callback = dasd_eer_SNSS_cb; - cqr->callback_data = (void *)device; - dasd_add_request_head(cqr); - - return; -} - -/* - * This function is called for all triggers. It calls the appropriate - * function that writes the actual trigger records. - */ -static int -dasd_eer_write_trigger(struct dasd_eer_trigger *trigger) -{ - int rc; - struct dasd_eer_private *private = trigger->device->eer; - - switch (trigger->id) { - case DASD_EER_FATALERROR: - case DASD_EER_PPRCSUSPEND: - rc = dasd_eer_write_standard_trigger( - trigger->id, trigger->device, trigger->cqr); - break; - case DASD_EER_NOPATH: - rc = dasd_eer_write_standard_trigger( - trigger->id, trigger->device, NULL); - break; - case DASD_EER_STATECHANGE: - if (queue_work(dasd_eer_workqueue, &private->worker)) { - rc=0; - } else { - /* If the work_struct was already queued, it can't - * be queued again. But this is OK since we don't - * need to have it queued twice. - */ - rc = -EBUSY; - } - break; - default: /* unknown trigger, so we write it without any sense data */ - rc = dasd_eer_write_standard_trigger( - trigger->id, trigger->device, NULL); - break; - } - return rc; -} - -/* - * This function is registered with the dasd device driver and gets called - * for all dasd eer notifications. - */ -static int dasd_eer_notify(struct notifier_block *self, - unsigned long action, void *data) -{ - switch (action) { - case DASD_EER_DISABLE: - dasd_eer_disable_on_device((struct dasd_device *)data); - break; - case DASD_EER_TRIGGER: - dasd_eer_write_trigger((struct dasd_eer_trigger *)data); - break; - } - return NOTIFY_OK; -} - - -/*****************************************************************************/ -/* the device operations */ -/*****************************************************************************/ - -/* - * On the one side we need a lock to access our internal buffer, on the - * other side a copy_to_user can sleep. So we need to copy the data we have - * to transfer in a readbuffer, which is protected by the readbuffer_mutex. - */ -static char readbuffer[PAGE_SIZE]; -DECLARE_MUTEX(readbuffer_mutex); - - -static int -dasd_eer_open(struct inode *inp, struct file *filp) -{ - struct eerbuffer *eerb; - unsigned long flags; - - eerb = kmalloc(sizeof(struct eerbuffer), GFP_KERNEL); - eerb->head = 0; - eerb->tail = 0; - eerb->residual = 0; - eerb->buffer_page_count = 1; - eerb->buffersize = eerb->buffer_page_count * PAGE_SIZE; - eerb->buffer = kmalloc(eerb->buffer_page_count*sizeof(char*), - GFP_KERNEL); - if (!eerb->buffer) - return -ENOMEM; - if (dasd_eer_allocate_buffer_pages(eerb->buffer, - eerb->buffer_page_count)) { - kfree(eerb->buffer); - return -ENOMEM; - } - filp->private_data = eerb; - spin_lock_irqsave(&bufferlock, flags); - list_add(&eerb->list, &bufferlist); - spin_unlock_irqrestore(&bufferlock, flags); - - return nonseekable_open(inp,filp); -} - -static int -dasd_eer_close(struct inode *inp, struct file *filp) -{ - struct eerbuffer *eerb; - unsigned long flags; - - eerb = (struct eerbuffer *)filp->private_data; - spin_lock_irqsave(&bufferlock, flags); - list_del(&eerb->list); - spin_unlock_irqrestore(&bufferlock, flags); - dasd_eer_free_buffer_pages(eerb->buffer, eerb->buffer_page_count); - kfree(eerb->buffer); - kfree(eerb); - - return 0; -} - -static long -dasd_eer_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) -{ - int intval; - struct eerbuffer *eerb; - - eerb = (struct eerbuffer *)filp->private_data; - switch (cmd) { - case DASD_EER_PURGE: - dasd_eer_purge_buffer(eerb); - return 0; - case DASD_EER_SETBUFSIZE: - if (get_user(intval, (int __user *)arg)) - return -EFAULT; - return dasd_eer_resize_buffer(eerb, intval); - default: - return -ENOIOCTLCMD; - } -} - -static ssize_t -dasd_eer_read(struct file *filp, char __user *buf, size_t count, loff_t *ppos) -{ - int tc,rc; - int tailcount,effective_count; - unsigned long flags; - struct eerbuffer *eerb; - - eerb = (struct eerbuffer *)filp->private_data; - if(down_interruptible(&readbuffer_mutex)) - return -ERESTARTSYS; - - spin_lock_irqsave(&bufferlock, flags); - - if (eerb->residual < 0) { /* the remainder of this record */ - /* has been deleted */ - eerb->residual = 0; - spin_unlock_irqrestore(&bufferlock, flags); - up(&readbuffer_mutex); - return -EIO; - } else if (eerb->residual > 0) { - /* OK we still have a second half of a record to deliver */ - effective_count = min(eerb->residual, (int)count); - eerb->residual -= effective_count; - } else { - tc = 0; - while (!tc) { - tc = dasd_eer_read_buffer(eerb, - sizeof(tailcount), (char*)(&tailcount)); - if (!tc) { - /* no data available */ - spin_unlock_irqrestore(&bufferlock, flags); - up(&readbuffer_mutex); - if (filp->f_flags & O_NONBLOCK) - return -EAGAIN; - rc = wait_event_interruptible( - dasd_eer_read_wait_queue, - eerb->head != eerb->tail); - if (rc) { - return rc; - } - if(down_interruptible(&readbuffer_mutex)) - return -ERESTARTSYS; - spin_lock_irqsave(&bufferlock, flags); - } - } - WARN_ON(tc != sizeof(tailcount)); - effective_count = min(tailcount,(int)count); - eerb->residual = tailcount - effective_count; - } - - tc = dasd_eer_read_buffer(eerb, effective_count, readbuffer); - WARN_ON(tc != effective_count); - - spin_unlock_irqrestore(&bufferlock, flags); - - if (copy_to_user(buf, readbuffer, effective_count)) { - up(&readbuffer_mutex); - return -EFAULT; - } - - up(&readbuffer_mutex); - return effective_count; -} - -static unsigned int -dasd_eer_poll (struct file *filp, poll_table *ptable) -{ - unsigned int mask; - unsigned long flags; - struct eerbuffer *eerb; - - eerb = (struct eerbuffer *)filp->private_data; - poll_wait(filp, &dasd_eer_read_wait_queue, ptable); - spin_lock_irqsave(&bufferlock, flags); - if (eerb->head != eerb->tail) - mask = POLLIN | POLLRDNORM ; - else - mask = 0; - spin_unlock_irqrestore(&bufferlock, flags); - return mask; -} - -static struct file_operations dasd_eer_fops = { - .open = &dasd_eer_open, - .release = &dasd_eer_close, - .unlocked_ioctl = &dasd_eer_ioctl, - .compat_ioctl = &dasd_eer_ioctl, - .read = &dasd_eer_read, - .poll = &dasd_eer_poll, - .owner = THIS_MODULE, -}; - -static struct miscdevice dasd_eer_dev = { - .minor = MISC_DYNAMIC_MINOR, - .name = "dasd_eer", - .fops = &dasd_eer_fops, -}; - - -/*****************************************************************************/ -/* Init and exit */ -/*****************************************************************************/ - -static int -__init dasd_eer_init(void) -{ - int rc; - - dasd_eer_workqueue = create_singlethread_workqueue("dasd_eer"); - if (!dasd_eer_workqueue) { - MESSAGE(KERN_ERR , "%s", "dasd_eer_init could not " - "create workqueue \n"); - rc = -ENOMEM; - goto out; - } - - rc = dasd_register_eer_notifier(&dasd_eer_nb); - if (rc) { - MESSAGE(KERN_ERR, "%s", "dasd_eer_init could not " - "register error reporting"); - goto queue; - } - - dasd_ioctl_no_register(THIS_MODULE, BIODASDEERSET, dasd_ioctl_set_eer); - dasd_ioctl_no_register(THIS_MODULE, BIODASDEERGET, dasd_ioctl_get_eer); - - /* we don't need our own character device, - * so we just register as misc device */ - rc = misc_register(&dasd_eer_dev); - if (rc) { - MESSAGE(KERN_ERR, "%s", "dasd_eer_init could not " - "register misc device"); - goto unregister; - } - - return 0; - -unregister: - dasd_unregister_eer_notifier(&dasd_eer_nb); - dasd_ioctl_no_unregister(THIS_MODULE, BIODASDEERSET, - dasd_ioctl_set_eer); - dasd_ioctl_no_unregister(THIS_MODULE, BIODASDEERGET, - dasd_ioctl_get_eer); -queue: - destroy_workqueue(dasd_eer_workqueue); -out: - return rc; - -} -module_init(dasd_eer_init); - -static void -__exit dasd_eer_exit(void) -{ - dasd_unregister_eer_notifier(&dasd_eer_nb); - dasd_ioctl_no_unregister(THIS_MODULE, BIODASDEERSET, - dasd_ioctl_set_eer); - dasd_ioctl_no_unregister(THIS_MODULE, BIODASDEERGET, - dasd_ioctl_get_eer); - destroy_workqueue(dasd_eer_workqueue); - - WARN_ON(misc_deregister(&dasd_eer_dev) != 0); -} -module_exit(dasd_eer_exit); diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h index d1b08fa13fd2..0592354cc604 100644 --- a/drivers/s390/block/dasd_int.h +++ b/drivers/s390/block/dasd_int.h @@ -275,34 +275,6 @@ struct dasd_discipline { extern struct dasd_discipline *dasd_diag_discipline_pointer; - -/* - * Notification numbers for extended error reporting notifications: - * The DASD_EER_DISABLE notification is sent before a dasd_device (and it's - * eer pointer) is freed. The error reporting module needs to do all necessary - * cleanup steps. - * The DASD_EER_TRIGGER notification sends the actual error reports (triggers). - */ -#define DASD_EER_DISABLE 0 -#define DASD_EER_TRIGGER 1 - -/* Trigger IDs for extended error reporting DASD_EER_TRIGGER notification */ -#define DASD_EER_FATALERROR 1 -#define DASD_EER_NOPATH 2 -#define DASD_EER_STATECHANGE 3 -#define DASD_EER_PPRCSUSPEND 4 - -/* - * The dasd_eer_trigger structure contains all data that we need to send - * along with an DASD_EER_TRIGGER notification. - */ -struct dasd_eer_trigger { - unsigned int id; - struct dasd_device *device; - struct dasd_ccw_req *cqr; -}; - - struct dasd_device { /* Block device stuff. */ struct gendisk *gdp; @@ -316,11 +288,9 @@ struct dasd_device { unsigned long flags; /* per device flags */ unsigned short features; /* copy of devmap-features (read-only!) */ - /* extended error reporting stuff (eer) */ - void *eer; - /* Device discipline stuff. */ struct dasd_discipline *discipline; + struct dasd_discipline *base_discipline; char *private; /* Device state and target state. */ @@ -519,12 +489,6 @@ int dasd_generic_set_online(struct ccw_device *, struct dasd_discipline *); int dasd_generic_set_offline (struct ccw_device *cdev); int dasd_generic_notify(struct ccw_device *, int); void dasd_generic_auto_online (struct ccw_driver *); -int dasd_register_eer_notifier(struct notifier_block *); -int dasd_unregister_eer_notifier(struct notifier_block *); -void dasd_write_eer_trigger(unsigned int , struct dasd_device *, - struct dasd_ccw_req *); - - /* externals in dasd_devmap.c */ extern int dasd_max_devindex; diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 062fb100d94c..afc4e88551ad 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -359,7 +359,7 @@ ccw_device_set_online(struct ccw_device *cdev) else pr_debug("ccw_device_offline returned %d, device %s\n", ret, cdev->dev.bus_id); - return (ret = 0) ? -ENODEV : ret; + return (ret == 0) ? -ENODEV : ret; } static ssize_t diff --git a/drivers/s390/cio/device_pgid.c b/drivers/s390/cio/device_pgid.c index d2a5b04d7cba..85b1020a1fcc 100644 --- a/drivers/s390/cio/device_pgid.c +++ b/drivers/s390/cio/device_pgid.c @@ -405,7 +405,7 @@ __ccw_device_disband_start(struct ccw_device *cdev) cdev->private->iretry = 5; cdev->private->imask >>= 1; } - ccw_device_verify_done(cdev, (sch->lpm != 0) ? 0 : -ENODEV); + ccw_device_disband_done(cdev, (sch->lpm != 0) ? 0 : -ENODEV); } /* diff --git a/drivers/s390/cio/device_status.c b/drivers/s390/cio/device_status.c index dad4dd9887c9..6c762b43f921 100644 --- a/drivers/s390/cio/device_status.c +++ b/drivers/s390/cio/device_status.c @@ -317,7 +317,6 @@ ccw_device_do_sense(struct ccw_device *cdev, struct irb *irb) /* * We have ending status but no sense information. Do a basic sense. */ - sch = to_subchannel(cdev->dev.parent); sch->sense_ccw.cmd_code = CCW_CMD_BASIC_SENSE; sch->sense_ccw.cda = (__u32) __pa(cdev->private->irb.ecw); sch->sense_ccw.count = SENSE_MAX_COUNT; diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c index 45ce032772f4..9ed37dc9a1b0 100644 --- a/drivers/s390/cio/qdio.c +++ b/drivers/s390/cio/qdio.c @@ -165,8 +165,13 @@ qdio_do_eqbs(struct qdio_q *q, unsigned char *state, q_no = q->q_no; if(!q->is_input_q) q_no += irq->no_input_qs; +again: ccq = do_eqbs(irq->sch_token, state, q_no, start, cnt); rc = qdio_check_ccq(q, ccq); + if (rc == 1) { + QDIO_DBF_TEXT5(1,trace,"eqAGAIN"); + goto again; + } if (rc < 0) { QDIO_DBF_TEXT2(1,trace,"eqberr"); sprintf(dbf_text,"%2x,%2x,%d,%d",tmp_cnt, *cnt, ccq, q_no); @@ -195,8 +200,13 @@ qdio_do_sqbs(struct qdio_q *q, unsigned char state, q_no = q->q_no; if(!q->is_input_q) q_no += irq->no_input_qs; +again: ccq = do_sqbs(irq->sch_token, state, q_no, start, cnt); rc = qdio_check_ccq(q, ccq); + if (rc == 1) { + QDIO_DBF_TEXT5(1,trace,"sqAGAIN"); + goto again; + } if (rc < 0) { QDIO_DBF_TEXT3(1,trace,"sqberr"); sprintf(dbf_text,"%2x,%2x,%d,%d",tmp_cnt,*cnt,ccq,q_no); @@ -1187,8 +1197,7 @@ tiqdio_is_inbound_q_done(struct qdio_q *q) if (!no_used) return 1; - - if (!q->siga_sync) + if (!q->siga_sync && !irq->is_qebsm) /* we'll check for more primed buffers in qeth_stop_polling */ return 0; if (irq->is_qebsm) { diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c index 6229ba4995ad..9cf88d7201d3 100644 --- a/drivers/s390/net/lcs.c +++ b/drivers/s390/net/lcs.c @@ -98,9 +98,9 @@ lcs_register_debug_facility(void) return -ENOMEM; } debug_register_view(lcs_dbf_setup, &debug_hex_ascii_view); - debug_set_level(lcs_dbf_setup, 4); + debug_set_level(lcs_dbf_setup, 2); debug_register_view(lcs_dbf_trace, &debug_hex_ascii_view); - debug_set_level(lcs_dbf_trace, 4); + debug_set_level(lcs_dbf_trace, 2); return 0; } @@ -1292,9 +1292,8 @@ lcs_set_multicast_list(struct net_device *dev) LCS_DBF_TEXT(4, trace, "setmulti"); card = (struct lcs_card *) dev->priv; - if (!lcs_set_thread_start_bit(card, LCS_SET_MC_THREAD)) { + if (!lcs_set_thread_start_bit(card, LCS_SET_MC_THREAD)) schedule_work(&card->kernel_thread_starter); - } } #endif /* CONFIG_IP_MULTICAST */ @@ -1459,6 +1458,8 @@ lcs_txbuffer_cb(struct lcs_channel *channel, struct lcs_buffer *buffer) lcs_release_buffer(channel, buffer); card = (struct lcs_card *) ((char *) channel - offsetof(struct lcs_card, write)); + if (netif_queue_stopped(card->dev)) + netif_wake_queue(card->dev); spin_lock(&card->lock); card->tx_emitted--; if (card->tx_emitted <= 0 && card->tx_buffer != NULL) @@ -1478,6 +1479,7 @@ __lcs_start_xmit(struct lcs_card *card, struct sk_buff *skb, struct net_device *dev) { struct lcs_header *header; + int rc = 0; LCS_DBF_TEXT(5, trace, "hardxmit"); if (skb == NULL) { @@ -1492,10 +1494,8 @@ __lcs_start_xmit(struct lcs_card *card, struct sk_buff *skb, card->stats.tx_carrier_errors++; return 0; } - if (netif_queue_stopped(dev) ) { - card->stats.tx_dropped++; - return -EBUSY; - } + netif_stop_queue(card->dev); + spin_lock(&card->lock); if (card->tx_buffer != NULL && card->tx_buffer->count + sizeof(struct lcs_header) + skb->len + sizeof(u16) > LCS_IOBUFFERSIZE) @@ -1506,7 +1506,8 @@ __lcs_start_xmit(struct lcs_card *card, struct sk_buff *skb, card->tx_buffer = lcs_get_buffer(&card->write); if (card->tx_buffer == NULL) { card->stats.tx_dropped++; - return -EBUSY; + rc = -EBUSY; + goto out; } card->tx_buffer->callback = lcs_txbuffer_cb; card->tx_buffer->count = 0; @@ -1518,13 +1519,18 @@ __lcs_start_xmit(struct lcs_card *card, struct sk_buff *skb, header->type = card->lan_type; header->slot = card->portno; memcpy(header + 1, skb->data, skb->len); + spin_unlock(&card->lock); card->stats.tx_bytes += skb->len; card->stats.tx_packets++; dev_kfree_skb(skb); - if (card->tx_emitted <= 0) + netif_wake_queue(card->dev); + spin_lock(&card->lock); + if (card->tx_emitted <= 0 && card->tx_buffer != NULL) /* If this is the first tx buffer emit it immediately. */ __lcs_emit_txbuffer(card); - return 0; +out: + spin_unlock(&card->lock); + return rc; } static int @@ -1535,9 +1541,7 @@ lcs_start_xmit(struct sk_buff *skb, struct net_device *dev) LCS_DBF_TEXT(5, trace, "pktxmit"); card = (struct lcs_card *) dev->priv; - spin_lock(&card->lock); rc = __lcs_start_xmit(card, skb, dev); - spin_unlock(&card->lock); return rc; } @@ -2319,7 +2323,6 @@ __init lcs_init_module(void) PRINT_ERR("Initialization failed\n"); return rc; } - return 0; } diff --git a/drivers/s390/net/lcs.h b/drivers/s390/net/lcs.h index 08e60ad43916..2fad5e40c2e4 100644 --- a/drivers/s390/net/lcs.h +++ b/drivers/s390/net/lcs.h @@ -95,7 +95,7 @@ do { \ */ #define LCS_ILLEGAL_OFFSET 0xffff #define LCS_IOBUFFERSIZE 0x5000 -#define LCS_NUM_BUFFS 8 /* needs to be power of 2 */ +#define LCS_NUM_BUFFS 32 /* needs to be power of 2 */ #define LCS_MAC_LENGTH 6 #define LCS_INVALID_PORT_NO -1 #define LCS_LANCMD_TIMEOUT_DEFAULT 5 diff --git a/drivers/s390/net/qeth.h b/drivers/s390/net/qeth.h index 9a064d4727ad..4df0fcd7b10b 100644 --- a/drivers/s390/net/qeth.h +++ b/drivers/s390/net/qeth.h @@ -1076,16 +1076,6 @@ qeth_get_qdio_q_format(struct qeth_card *card) } static inline int -qeth_isdigit(char * buf) -{ - while (*buf) { - if (!isdigit(*buf++)) - return 0; - } - return 1; -} - -static inline int qeth_isxdigit(char * buf) { while (*buf) { @@ -1104,33 +1094,17 @@ qeth_ipaddr4_to_string(const __u8 *addr, char *buf) static inline int qeth_string_to_ipaddr4(const char *buf, __u8 *addr) { - const char *start, *end; - char abuf[4]; - char *tmp; - int len; - int i; - - start = buf; - for (i = 0; i < 4; i++) { - if (i == 3) { - end = strchr(start,0xa); - if (end) - len = end - start; - else - len = strlen(start); - } - else { - end = strchr(start, '.'); - len = end - start; - } - if ((len <= 0) || (len > 3)) - return -EINVAL; - memset(abuf, 0, 4); - strncpy(abuf, start, len); - if (!qeth_isdigit(abuf)) + int count = 0, rc = 0; + int in[4]; + + rc = sscanf(buf, "%d.%d.%d.%d%n", + &in[0], &in[1], &in[2], &in[3], &count); + if (rc != 4 || count) + return -EINVAL; + for (count = 0; count < 4; count++) { + if (in[count] > 255) return -EINVAL; - addr[i] = simple_strtoul(abuf, &tmp, 10); - start = end + 1; + addr[count] = in[count]; } return 0; } @@ -1149,36 +1123,44 @@ qeth_ipaddr6_to_string(const __u8 *addr, char *buf) static inline int qeth_string_to_ipaddr6(const char *buf, __u8 *addr) { - const char *start, *end; - u16 *tmp_addr; - char abuf[5]; - char *tmp; - int len; - int i; - - tmp_addr = (u16 *)addr; - start = buf; - for (i = 0; i < 8; i++) { - if (i == 7) { - end = strchr(start,0xa); - if (end) - len = end - start; - else - len = strlen(start); - } - else { - end = strchr(start, ':'); - len = end - start; + char *end, *start; + __u16 *in; + char num[5]; + int num2, cnt, out, found, save_cnt; + unsigned short in_tmp[8] = {0, }; + + cnt = out = found = save_cnt = num2 = 0; + end = start = (char *) buf; + in = (__u16 *) addr; + memset(in, 0, 16); + while (end) { + end = strchr(end,':'); + if (end == NULL) { + end = (char *)buf + (strlen(buf)); + out = 1; + } + if ((end - start)) { + memset(num, 0, 5); + memcpy(num, start, end - start); + if (!qeth_isxdigit(num)) + return -EINVAL; + sscanf(start, "%x", &num2); + if (found) + in_tmp[save_cnt++] = num2; + else + in[cnt++] = num2; + if (out) + break; + } else { + if (found) + return -EINVAL; + found = 1; } - if ((len <= 0) || (len > 4)) - return -EINVAL; - memset(abuf, 0, 5); - strncpy(abuf, start, len); - if (!qeth_isxdigit(abuf)) - return -EINVAL; - tmp_addr[i] = simple_strtoul(abuf, &tmp, 16); - start = end + 1; - } + start = ++end; + } + cnt = 7; + while (save_cnt) + in[cnt--] = in_tmp[--save_cnt]; return 0; } diff --git a/drivers/s390/net/qeth_eddp.c b/drivers/s390/net/qeth_eddp.c index b02313127780..82cb4af2f0e7 100644 --- a/drivers/s390/net/qeth_eddp.c +++ b/drivers/s390/net/qeth_eddp.c @@ -59,8 +59,7 @@ qeth_eddp_free_context(struct qeth_eddp_context *ctx) for (i = 0; i < ctx->num_pages; ++i) free_page((unsigned long)ctx->pages[i]); kfree(ctx->pages); - if (ctx->elements != NULL) - kfree(ctx->elements); + kfree(ctx->elements); kfree(ctx); } @@ -413,6 +412,13 @@ __qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx, QETH_DBF_TEXT(trace, 5, "eddpftcp"); eddp->skb_offset = sizeof(struct qeth_hdr) + eddp->nhl + eddp->thl; + if (eddp->qh.hdr.l2.id == QETH_HEADER_TYPE_LAYER2) { + eddp->skb_offset += sizeof(struct ethhdr); +#ifdef CONFIG_QETH_VLAN + if (eddp->mac.h_proto == __constant_htons(ETH_P_8021Q)) + eddp->skb_offset += VLAN_HLEN; +#endif /* CONFIG_QETH_VLAN */ + } tcph = eddp->skb->h.th; while (eddp->skb_offset < eddp->skb->len) { data_len = min((int)skb_shinfo(eddp->skb)->tso_size, @@ -483,6 +489,7 @@ qeth_eddp_fill_context_tcp(struct qeth_eddp_context *ctx, return -ENOMEM; } if (qhdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2) { + skb->mac.raw = (skb->data) + sizeof(struct qeth_hdr); memcpy(&eddp->mac, eth_hdr(skb), ETH_HLEN); #ifdef CONFIG_QETH_VLAN if (eddp->mac.h_proto == __constant_htons(ETH_P_8021Q)) { diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index 410abeada6c4..dba7f7f02e79 100644 --- a/drivers/s390/net/qeth_main.c +++ b/drivers/s390/net/qeth_main.c @@ -516,7 +516,8 @@ __qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode) QETH_DBF_TEXT(setup, 3, "setoffl"); QETH_DBF_HEX(setup, 3, &card, sizeof(void *)); - netif_carrier_off(card->dev); + if (card->dev && netif_carrier_ok(card->dev)) + netif_carrier_off(card->dev); recover_flag = card->state; if (qeth_stop_card(card, recovery_mode) == -ERESTARTSYS){ PRINT_WARN("Stopping card %s interrupted by user!\n", @@ -1679,6 +1680,7 @@ qeth_cmd_timeout(unsigned long data) spin_unlock_irqrestore(&reply->card->lock, flags); } + static struct qeth_ipa_cmd * qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob) { @@ -1699,7 +1701,8 @@ qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob) QETH_CARD_IFNAME(card), card->info.chpid); card->lan_online = 0; - netif_carrier_off(card->dev); + if (card->dev && netif_carrier_ok(card->dev)) + netif_carrier_off(card->dev); return NULL; case IPA_CMD_STARTLAN: PRINT_INFO("Link reestablished on %s " @@ -5562,7 +5565,7 @@ qeth_set_multicast_list(struct net_device *dev) if (card->info.type == QETH_CARD_TYPE_OSN) return ; - QETH_DBF_TEXT(trace,3,"setmulti"); + QETH_DBF_TEXT(trace, 3, "setmulti"); qeth_delete_mc_addresses(card); if (card->options.layer2) { qeth_layer2_add_multicast(card); @@ -5579,7 +5582,6 @@ out: return; if (qeth_set_thread_start_bit(card, QETH_SET_PROMISC_MODE_THREAD)==0) schedule_work(&card->kernel_thread_starter); - } static int @@ -7452,6 +7454,7 @@ qeth_softsetup_card(struct qeth_card *card) card->lan_online = 1; if (card->info.type==QETH_CARD_TYPE_OSN) goto out; + qeth_set_large_send(card, card->options.large_send); if (card->options.layer2) { card->dev->features |= NETIF_F_HW_VLAN_FILTER | @@ -7468,12 +7471,6 @@ qeth_softsetup_card(struct qeth_card *card) #endif goto out; } - if ((card->options.large_send == QETH_LARGE_SEND_EDDP) || - (card->options.large_send == QETH_LARGE_SEND_TSO)) - card->dev->features |= NETIF_F_TSO | NETIF_F_SG; - else - card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG); - if ((rc = qeth_setadapter_parms(card))) QETH_DBF_TEXT_(setup, 2, "2err%d", rc); if ((rc = qeth_start_ipassists(card))) diff --git a/drivers/scsi/esp.c b/drivers/scsi/esp.c index f6900538be90..87a8c3d2072c 100644 --- a/drivers/scsi/esp.c +++ b/drivers/scsi/esp.c @@ -2068,14 +2068,12 @@ static int esp_reset(struct scsi_cmnd *SCptr) { struct esp *esp = (struct esp *) SCptr->device->host->hostdata; + spin_lock_irq(esp->ehost->host_lock); (void) esp_do_resetbus(esp); - spin_unlock_irq(esp->ehost->host_lock); wait_event(esp->reset_queue, (esp->resetting_bus == 0)); - spin_lock_irq(esp->ehost->host_lock); - return SUCCESS; } diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 46c4cdbaee86..5f1d7580218d 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -614,7 +614,7 @@ int ata_rwcmd_protocol(struct ata_queued_cmd *qc) } else if (lba48 && (qc->ap->flags & ATA_FLAG_PIO_LBA48)) { /* Unable to use DMA due to host limitation */ tf->protocol = ATA_PROT_PIO; - index = dev->multi_count ? 0 : 4; + index = dev->multi_count ? 0 : 8; } else { tf->protocol = ATA_PROT_DMA; index = 16; @@ -2514,7 +2514,7 @@ static void ata_sg_clean(struct ata_queued_cmd *qc) assert(sg != NULL); if (qc->flags & ATA_QCFLAG_SINGLE) - assert(qc->n_elem == 1); + assert(qc->n_elem <= 1); VPRINTK("unmapping %u sg elements\n", qc->n_elem); @@ -2537,7 +2537,7 @@ static void ata_sg_clean(struct ata_queued_cmd *qc) kunmap_atomic(addr, KM_IRQ0); } } else { - if (sg_dma_len(&sg[0]) > 0) + if (qc->n_elem) dma_unmap_single(ap->host_set->dev, sg_dma_address(&sg[0]), sg_dma_len(&sg[0]), dir); @@ -2570,7 +2570,7 @@ static void ata_fill_sg(struct ata_queued_cmd *qc) unsigned int idx; assert(qc->__sg != NULL); - assert(qc->n_elem > 0); + assert(qc->n_elem > 0 || qc->pad_len > 0); idx = 0; ata_for_each_sg(sg, qc) { @@ -2715,6 +2715,7 @@ static int ata_sg_setup_one(struct ata_queued_cmd *qc) int dir = qc->dma_dir; struct scatterlist *sg = qc->__sg; dma_addr_t dma_address; + int trim_sg = 0; /* we must lengthen transfers to end on a 32-bit boundary */ qc->pad_len = sg->length & 3; @@ -2734,13 +2735,15 @@ static int ata_sg_setup_one(struct ata_queued_cmd *qc) sg_dma_len(psg) = ATA_DMA_PAD_SZ; /* trim sg */ sg->length -= qc->pad_len; + if (sg->length == 0) + trim_sg = 1; DPRINTK("padding done, sg->length=%u pad_len=%u\n", sg->length, qc->pad_len); } - if (!sg->length) { - sg_dma_address(sg) = 0; + if (trim_sg) { + qc->n_elem--; goto skip_map; } @@ -2753,9 +2756,9 @@ static int ata_sg_setup_one(struct ata_queued_cmd *qc) } sg_dma_address(sg) = dma_address; -skip_map: sg_dma_len(sg) = sg->length; +skip_map: DPRINTK("mapped buffer of %d bytes for %s\n", sg_dma_len(sg), qc->tf.flags & ATA_TFLAG_WRITE ? "write" : "read"); @@ -3357,11 +3360,12 @@ static void ata_pio_error(struct ata_port *ap) { struct ata_queued_cmd *qc; - printk(KERN_WARNING "ata%u: PIO error\n", ap->id); - qc = ata_qc_from_tag(ap, ap->active_tag); assert(qc != NULL); + if (qc->tf.command != ATA_CMD_PACKET) + printk(KERN_WARNING "ata%u: PIO error\n", ap->id); + /* make sure qc->err_mask is available to * know what's wrong and recover */ diff --git a/drivers/scsi/sata_mv.c b/drivers/scsi/sata_mv.c index 6fddf17a3b70..2770005324b4 100644 --- a/drivers/scsi/sata_mv.c +++ b/drivers/scsi/sata_mv.c @@ -997,6 +997,7 @@ static void mv_qc_prep(struct ata_queued_cmd *qc) case ATA_CMD_READ_EXT: case ATA_CMD_WRITE: case ATA_CMD_WRITE_EXT: + case ATA_CMD_WRITE_FUA_EXT: mv_crqb_pack_cmd(cw++, tf->hob_nsect, ATA_REG_NSECT, 0); break; #ifdef LIBATA_NCQ /* FIXME: remove this line when NCQ added */ diff --git a/drivers/scsi/sata_qstor.c b/drivers/scsi/sata_qstor.c index de05e2883f9c..80480f0fb2b8 100644 --- a/drivers/scsi/sata_qstor.c +++ b/drivers/scsi/sata_qstor.c @@ -277,7 +277,7 @@ static unsigned int qs_fill_sg(struct ata_queued_cmd *qc) u8 *prd = pp->pkt + QS_CPB_BYTES; assert(qc->__sg != NULL); - assert(qc->n_elem > 0); + assert(qc->n_elem > 0 || qc->pad_len > 0); nelem = 0; ata_for_each_sg(sg, qc) { diff --git a/drivers/scsi/sata_sil.c b/drivers/scsi/sata_sil.c index 17f74d3c10e7..9face3c6aa21 100644 --- a/drivers/scsi/sata_sil.c +++ b/drivers/scsi/sata_sil.c @@ -49,11 +49,13 @@ #define DRV_VERSION "0.9" enum { + SIL_FLAG_RERR_ON_DMA_ACT = (1 << 29), SIL_FLAG_MOD15WRITE = (1 << 30), sil_3112 = 0, sil_3112_m15w = 1, - sil_3114 = 2, + sil_3512 = 2, + sil_3114 = 3, SIL_FIFO_R0 = 0x40, SIL_FIFO_W0 = 0x41, @@ -90,7 +92,7 @@ static void sil_post_set_mode (struct ata_port *ap); static const struct pci_device_id sil_pci_tbl[] = { { 0x1095, 0x3112, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112_m15w }, { 0x1095, 0x0240, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112_m15w }, - { 0x1095, 0x3512, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112 }, + { 0x1095, 0x3512, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3512 }, { 0x1095, 0x3114, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3114 }, { 0x1002, 0x436e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112_m15w }, { 0x1002, 0x4379, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112_m15w }, @@ -185,7 +187,8 @@ static const struct ata_port_info sil_port_info[] = { .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = 0x3f, /* udma0-5 */ .port_ops = &sil_ops, - }, /* sil_3112_15w - keep it sync'd w/ sil_3112 */ + }, + /* sil_3112_15w - keep it sync'd w/ sil_3112 */ { .sht = &sil_sht, .host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | @@ -195,11 +198,24 @@ static const struct ata_port_info sil_port_info[] = { .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = 0x3f, /* udma0-5 */ .port_ops = &sil_ops, - }, /* sil_3114 */ + }, + /* sil_3512 */ { .sht = &sil_sht, .host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | - ATA_FLAG_SRST | ATA_FLAG_MMIO, + ATA_FLAG_SRST | ATA_FLAG_MMIO | + SIL_FLAG_RERR_ON_DMA_ACT, + .pio_mask = 0x1f, /* pio0-4 */ + .mwdma_mask = 0x07, /* mwdma0-2 */ + .udma_mask = 0x3f, /* udma0-5 */ + .port_ops = &sil_ops, + }, + /* sil_3114 */ + { + .sht = &sil_sht, + .host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | + ATA_FLAG_SRST | ATA_FLAG_MMIO | + SIL_FLAG_RERR_ON_DMA_ACT, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ .udma_mask = 0x3f, /* udma0-5 */ @@ -216,12 +232,13 @@ static const struct { unsigned long scr; /* SATA control register block */ unsigned long sien; /* SATA Interrupt Enable register */ unsigned long xfer_mode;/* data transfer mode register */ + unsigned long sfis_cfg; /* SATA FIS reception config register */ } sil_port[] = { /* port 0 ... */ - { 0x80, 0x8A, 0x00, 0x100, 0x148, 0xb4 }, - { 0xC0, 0xCA, 0x08, 0x180, 0x1c8, 0xf4 }, - { 0x280, 0x28A, 0x200, 0x300, 0x348, 0x2b4 }, - { 0x2C0, 0x2CA, 0x208, 0x380, 0x3c8, 0x2f4 }, + { 0x80, 0x8A, 0x00, 0x100, 0x148, 0xb4, 0x14c }, + { 0xC0, 0xCA, 0x08, 0x180, 0x1c8, 0xf4, 0x1cc }, + { 0x280, 0x28A, 0x200, 0x300, 0x348, 0x2b4, 0x34c }, + { 0x2C0, 0x2CA, 0x208, 0x380, 0x3c8, 0x2f4, 0x3cc }, /* ... port 3 */ }; @@ -471,6 +488,23 @@ static int sil_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) dev_printk(KERN_WARNING, &pdev->dev, "cache line size not set. Driver may not function\n"); + /* Apply R_ERR on DMA activate FIS errata workaround */ + if (probe_ent->host_flags & SIL_FLAG_RERR_ON_DMA_ACT) { + int cnt; + + for (i = 0, cnt = 0; i < probe_ent->n_ports; i++) { + tmp = readl(mmio_base + sil_port[i].sfis_cfg); + if ((tmp & 0x3) != 0x01) + continue; + if (!cnt) + dev_printk(KERN_INFO, &pdev->dev, + "Applying R_ERR on DMA activate " + "FIS errata fix\n"); + writel(tmp & ~0x3, mmio_base + sil_port[i].sfis_cfg); + cnt++; + } + } + if (ent->driver_data == sil_3114) { irq_mask = SIL_MASK_4PORT; diff --git a/drivers/scsi/sata_vsc.c b/drivers/scsi/sata_vsc.c index 2e2c3b7acb0c..e484e8db6810 100644 --- a/drivers/scsi/sata_vsc.c +++ b/drivers/scsi/sata_vsc.c @@ -81,6 +81,19 @@ /* Port stride */ #define VSC_SATA_PORT_OFFSET 0x200 +/* Error interrupt status bit offsets */ +#define VSC_SATA_INT_ERROR_E_OFFSET 2 +#define VSC_SATA_INT_ERROR_P_OFFSET 4 +#define VSC_SATA_INT_ERROR_T_OFFSET 5 +#define VSC_SATA_INT_ERROR_M_OFFSET 1 +#define is_vsc_sata_int_err(port_idx, int_status) \ + (int_status & ((1 << (VSC_SATA_INT_ERROR_E_OFFSET + (8 * port_idx))) | \ + (1 << (VSC_SATA_INT_ERROR_P_OFFSET + (8 * port_idx))) | \ + (1 << (VSC_SATA_INT_ERROR_T_OFFSET + (8 * port_idx))) | \ + (1 << (VSC_SATA_INT_ERROR_M_OFFSET + (8 * port_idx))) \ + )\ + ) + static u32 vsc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg) { @@ -201,13 +214,28 @@ static irqreturn_t vsc_sata_interrupt (int irq, void *dev_instance, struct ata_port *ap; ap = host_set->ports[i]; + + if (is_vsc_sata_int_err(i, int_status)) { + u32 err_status; + printk(KERN_DEBUG "%s: ignoring interrupt(s)\n", __FUNCTION__); + err_status = ap ? vsc_sata_scr_read(ap, SCR_ERROR) : 0; + vsc_sata_scr_write(ap, SCR_ERROR, err_status); + handled++; + } + if (ap && !(ap->flags & (ATA_FLAG_PORT_DISABLED|ATA_FLAG_NOINTR))) { struct ata_queued_cmd *qc; qc = ata_qc_from_tag(ap, ap->active_tag); - if (qc && (!(qc->tf.ctl & ATA_NIEN))) + if (qc && (!(qc->tf.ctl & ATA_NIEN))) { handled += ata_host_intr(ap, qc); + } else { + printk(KERN_DEBUG "%s: ignoring interrupt(s)\n", __FUNCTION__); + ata_chk_status(ap); + handled++; + } + } } } diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 930db398d107..9d9872347f56 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -89,6 +89,11 @@ #define SD_MAX_RETRIES 5 #define SD_PASSTHROUGH_RETRIES 1 +/* + * Size of the initial data buffer for mode and read capacity data + */ +#define SD_BUF_SIZE 512 + static void scsi_disk_release(struct kref *kref); struct scsi_disk { @@ -1239,7 +1244,7 @@ sd_do_mode_sense(struct scsi_device *sdp, int dbd, int modepage, /* * read write protect setting, if possible - called only in sd_revalidate_disk() - * called with buffer of length 512 + * called with buffer of length SD_BUF_SIZE */ static void sd_read_write_protect_flag(struct scsi_disk *sdkp, char *diskname, @@ -1297,7 +1302,7 @@ sd_read_write_protect_flag(struct scsi_disk *sdkp, char *diskname, /* * sd_read_cache_type - called only from sd_revalidate_disk() - * called with buffer of length 512 + * called with buffer of length SD_BUF_SIZE */ static void sd_read_cache_type(struct scsi_disk *sdkp, char *diskname, @@ -1342,6 +1347,8 @@ sd_read_cache_type(struct scsi_disk *sdkp, char *diskname, /* Take headers and block descriptors into account */ len += data.header_length + data.block_descriptor_length; + if (len > SD_BUF_SIZE) + goto bad_sense; /* Get the data */ res = sd_do_mode_sense(sdp, dbd, modepage, buffer, len, &data, &sshdr); @@ -1354,6 +1361,12 @@ sd_read_cache_type(struct scsi_disk *sdkp, char *diskname, int ct = 0; int offset = data.header_length + data.block_descriptor_length; + if (offset >= SD_BUF_SIZE - 2) { + printk(KERN_ERR "%s: malformed MODE SENSE response", + diskname); + goto defaults; + } + if ((buffer[offset] & 0x3f) != modepage) { printk(KERN_ERR "%s: got wrong page\n", diskname); goto defaults; @@ -1398,6 +1411,7 @@ defaults: diskname); sdkp->WCE = 0; sdkp->RCD = 0; + sdkp->DPOFUA = 0; } /** @@ -1421,7 +1435,7 @@ static int sd_revalidate_disk(struct gendisk *disk) if (!scsi_device_online(sdp)) goto out; - buffer = kmalloc(512, GFP_KERNEL | __GFP_DMA); + buffer = kmalloc(SD_BUF_SIZE, GFP_KERNEL | __GFP_DMA); if (!buffer) { printk(KERN_WARNING "(sd_revalidate_disk:) Memory allocation " "failure.\n"); diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index b1fc97d5f643..7aca22c9976d 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -2198,7 +2198,7 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count) touch_nmi_watchdog(); /* - * First save the UER then disable the interrupts + * First save the IER then disable the interrupts */ ier = serial_in(up, UART_IER); @@ -2326,6 +2326,12 @@ static struct uart_driver serial8250_reg = { .cons = SERIAL8250_CONSOLE, }; +/* + * early_serial_setup - early registration for 8250 ports + * + * Setup an 8250 port structure prior to console initialisation. Use + * after console initialisation will cause undefined behaviour. + */ int __init early_serial_setup(struct uart_port *port) { if (port->line >= ARRAY_SIZE(serial8250_ports)) diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index 0f4361c8466b..b3c561abe3f6 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -902,8 +902,8 @@ config SERIAL_JSM something like this to connect more than two modems to your Linux box, for instance in order to become a dial-in server. This driver supports PCI boards only. - If you have a card like this, say Y here and read the file - <file:Documentation/jsm.txt>. + + If you have a card like this, say Y here, otherwise say N. To compile this driver as a module, choose M here: the module will be called jsm. diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 791c4dc550ae..94f5e8ed83a7 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -90,7 +90,7 @@ static int spi_suspend(struct device *dev, pm_message_t message) int value; struct spi_driver *drv = to_spi_driver(dev->driver); - if (!drv->suspend) + if (!drv || !drv->suspend) return 0; /* suspend will stop irqs and dma; no more i/o */ @@ -105,7 +105,7 @@ static int spi_resume(struct device *dev) int value; struct spi_driver *drv = to_spi_driver(dev->driver); - if (!drv->resume) + if (!drv || !drv->resume) return 0; /* resume may restart the i/o queue */ @@ -449,7 +449,6 @@ void spi_unregister_master(struct spi_master *master) { (void) device_for_each_child(master->cdev.dev, NULL, __unregister); class_device_unregister(&master->cdev); - master->cdev.dev = NULL; } EXPORT_SYMBOL_GPL(spi_unregister_master); diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index e64ed16bd42f..f5079c78ba4e 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -520,7 +520,7 @@ config FB_GBE config FB_GBE_MEM int "Video memory size in MB" depends on FB_GBE - default 8 + default 4 help This is the amount of memory reserved for the framebuffer, which can be any value between 1MB and 8MB. diff --git a/drivers/video/asiliantfb.c b/drivers/video/asiliantfb.c index 69f75547865d..c924d81f7978 100644 --- a/drivers/video/asiliantfb.c +++ b/drivers/video/asiliantfb.c @@ -322,32 +322,29 @@ static int asiliantfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, writeb(green, mmio_base + 0x791); writeb(blue, mmio_base + 0x791); - switch(p->var.bits_per_pixel) { - case 15: - if (regno < 16) { + if (regno < 16) { + switch(p->var.red.offset) { + case 10: /* RGB 555 */ ((u32 *)(p->pseudo_palette))[regno] = ((red & 0xf8) << 7) | ((green & 0xf8) << 2) | ((blue & 0xf8) >> 3); - } - break; - case 16: - if (regno < 16) { + break; + case 11: /* RGB 565 */ ((u32 *)(p->pseudo_palette))[regno] = ((red & 0xf8) << 8) | ((green & 0xfc) << 3) | ((blue & 0xf8) >> 3); - } - break; - case 24: - if (regno < 24) { + break; + case 16: /* RGB 888 */ ((u32 *)(p->pseudo_palette))[regno] = (red << 16) | (green << 8) | (blue); + break; } - break; } + return 0; } diff --git a/drivers/video/aty/radeon_pm.c b/drivers/video/aty/radeon_pm.c index 556895e99645..1f8d805c61e5 100644 --- a/drivers/video/aty/radeon_pm.c +++ b/drivers/video/aty/radeon_pm.c @@ -1321,8 +1321,6 @@ static void radeon_pm_full_reset_sdram(struct radeonfb_info *rinfo) mdelay( 15); } -#ifdef CONFIG_PPC_OF - static void radeon_pm_reset_pad_ctlr_strength(struct radeonfb_info *rinfo) { u32 tmp, tmp2; @@ -1836,6 +1834,8 @@ static void radeon_reinitialize_M10(struct radeonfb_info *rinfo) radeon_pm_m10_enable_lvds_spread_spectrum(rinfo); } +#ifdef CONFIG_PPC_OF + static void radeon_pm_m9p_reconfigure_mc(struct radeonfb_info *rinfo) { OUTREG(MC_CNTL, rinfo->save_regs[46]); @@ -2728,13 +2728,23 @@ void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk) printk("radeonfb: Dynamic Clock Power Management disabled\n"); } +#if defined(CONFIG_PM) /* Check if we can power manage on suspend/resume. We can do * D2 on M6, M7 and M9, and we can resume from D3 cold a few other * "Mac" cards, but that's all. We need more infos about what the * BIOS does tho. Right now, all this PM stuff is pmac-only for that * reason. --BenH */ -#if defined(CONFIG_PM) && defined(CONFIG_PPC_PMAC) + /* Special case for Samsung P35 laptops + */ + if ((rinfo->pdev->vendor == PCI_VENDOR_ID_ATI) && + (rinfo->pdev->device == PCI_CHIP_RV350_NP) && + (rinfo->pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG) && + (rinfo->pdev->subsystem_device == 0xc00c)) { + rinfo->reinit_func = radeon_reinitialize_M10; + rinfo->pm_mode |= radeon_pm_off; + } +#if defined(CONFIG_PPC_PMAC) if (_machine == _MACH_Pmac && rinfo->of_node) { if (rinfo->is_mobility && rinfo->pm_reg && rinfo->family <= CHIP_FAMILY_RV250) @@ -2778,7 +2788,8 @@ void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk) OUTREG(TV_DAC_CNTL, INREG(TV_DAC_CNTL) | 0x07000000); #endif } -#endif /* defined(CONFIG_PM) && defined(CONFIG_PPC_PMAC) */ +#endif /* defined(CONFIG_PPC_PMAC) */ +#endif /* defined(CONFIG_PM) */ } void radeonfb_pm_exit(struct radeonfb_info *rinfo) diff --git a/drivers/video/au1100fb.c b/drivers/video/au1100fb.c index 2406899f1207..3d04b2def0f1 100644 --- a/drivers/video/au1100fb.c +++ b/drivers/video/au1100fb.c @@ -49,6 +49,7 @@ #include <linux/interrupt.h> #include <linux/ctype.h> #include <linux/dma-mapping.h> +#include <linux/platform_device.h> #include <asm/mach-au1x00/au1000.h> @@ -406,7 +407,7 @@ int au1100fb_fb_mmap(struct fb_info *fbi, struct vm_area_struct *vma) vma->vm_flags |= VM_IO; - if (io_remap_page_range(vma, vma->vm_start, off, + if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT, vma->vm_end - vma->vm_start, vma->vm_page_prot)) { return -EAGAIN; diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index 12d9329d1408..5a86978537d2 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -509,57 +509,60 @@ static int vgacon_doresize(struct vc_data *c, { unsigned long flags; unsigned int scanlines = height * c->vc_font.height; - u8 scanlines_lo, r7, vsync_end, mode, max_scan; + u8 scanlines_lo = 0, r7 = 0, vsync_end = 0, mode, max_scan; spin_lock_irqsave(&vga_lock, flags); - outb_p(VGA_CRTC_MAX_SCAN, vga_video_port_reg); - max_scan = inb_p(vga_video_port_val); - - if (max_scan & 0x80) - scanlines <<= 1; - vgacon_xres = width * VGA_FONTWIDTH; vgacon_yres = height * c->vc_font.height; - outb_p(VGA_CRTC_MODE, vga_video_port_reg); - mode = inb_p(vga_video_port_val); + if (vga_video_type >= VIDEO_TYPE_VGAC) { + outb_p(VGA_CRTC_MAX_SCAN, vga_video_port_reg); + max_scan = inb_p(vga_video_port_val); - if (mode & 0x04) - scanlines >>= 1; + if (max_scan & 0x80) + scanlines <<= 1; - scanlines -= 1; - scanlines_lo = scanlines & 0xff; + outb_p(VGA_CRTC_MODE, vga_video_port_reg); + mode = inb_p(vga_video_port_val); - outb_p(VGA_CRTC_OVERFLOW, vga_video_port_reg); - r7 = inb_p(vga_video_port_val) & ~0x42; + if (mode & 0x04) + scanlines >>= 1; - if (scanlines & 0x100) - r7 |= 0x02; - if (scanlines & 0x200) - r7 |= 0x40; + scanlines -= 1; + scanlines_lo = scanlines & 0xff; - /* deprotect registers */ - outb_p(VGA_CRTC_V_SYNC_END, vga_video_port_reg); - vsync_end = inb_p(vga_video_port_val); - outb_p(VGA_CRTC_V_SYNC_END, vga_video_port_reg); - outb_p(vsync_end & ~0x80, vga_video_port_val); + outb_p(VGA_CRTC_OVERFLOW, vga_video_port_reg); + r7 = inb_p(vga_video_port_val) & ~0x42; + + if (scanlines & 0x100) + r7 |= 0x02; + if (scanlines & 0x200) + r7 |= 0x40; + + /* deprotect registers */ + outb_p(VGA_CRTC_V_SYNC_END, vga_video_port_reg); + vsync_end = inb_p(vga_video_port_val); + outb_p(VGA_CRTC_V_SYNC_END, vga_video_port_reg); + outb_p(vsync_end & ~0x80, vga_video_port_val); + } outb_p(VGA_CRTC_H_DISP, vga_video_port_reg); outb_p(width - 1, vga_video_port_val); outb_p(VGA_CRTC_OFFSET, vga_video_port_reg); outb_p(width >> 1, vga_video_port_val); - outb_p(VGA_CRTC_V_DISP_END, vga_video_port_reg); - outb_p(scanlines_lo, vga_video_port_val); - outb_p(VGA_CRTC_OVERFLOW, vga_video_port_reg); - outb_p(r7,vga_video_port_val); + if (vga_video_type >= VIDEO_TYPE_VGAC) { + outb_p(VGA_CRTC_V_DISP_END, vga_video_port_reg); + outb_p(scanlines_lo, vga_video_port_val); + outb_p(VGA_CRTC_OVERFLOW, vga_video_port_reg); + outb_p(r7,vga_video_port_val); - /* reprotect registers */ - outb_p(VGA_CRTC_V_SYNC_END, vga_video_port_reg); - outb_p(vsync_end, vga_video_port_val); + /* reprotect registers */ + outb_p(VGA_CRTC_V_SYNC_END, vga_video_port_reg); + outb_p(vsync_end, vga_video_port_val); + } spin_unlock_irqrestore(&vga_lock, flags); - return 0; } diff --git a/drivers/video/gbefb.c b/drivers/video/gbefb.c index 38d22729b129..5e25b9860196 100644 --- a/drivers/video/gbefb.c +++ b/drivers/video/gbefb.c @@ -656,12 +656,15 @@ static int gbefb_set_par(struct fb_info *info) switch (bytesPerPixel) { case 1: SET_GBE_FIELD(WID, TYP, val, GBE_CMODE_I8); + info->fix.visual = FB_VISUAL_PSEUDOCOLOR; break; case 2: SET_GBE_FIELD(WID, TYP, val, GBE_CMODE_ARGB5); + info->fix.visual = FB_VISUAL_TRUECOLOR; break; case 4: SET_GBE_FIELD(WID, TYP, val, GBE_CMODE_RGB8); + info->fix.visual = FB_VISUAL_TRUECOLOR; break; } SET_GBE_FIELD(WID, BUF, val, GBE_BMODE_BOTH); @@ -1243,7 +1246,7 @@ static int __devexit gbefb_remove(struct platform_device* p_dev) (void *)gbe_tiles.cpu, gbe_tiles.dma); release_mem_region(GBE_BASE, sizeof(struct sgi_gbe)); iounmap(gbe); - gbefb_remove_sysfs(dev); + gbefb_remove_sysfs(&p_dev->dev); framebuffer_release(info); return 0; diff --git a/drivers/video/s3c2410fb.c b/drivers/video/s3c2410fb.c index d574dd3c9c8a..9451932fbaf2 100644 --- a/drivers/video/s3c2410fb.c +++ b/drivers/video/s3c2410fb.c @@ -82,7 +82,6 @@ #include <linux/fb.h> #include <linux/init.h> #include <linux/dma-mapping.h> -#include <linux/string.h> #include <linux/interrupt.h> #include <linux/workqueue.h> #include <linux/wait.h> diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c index 5250c428fc1f..ef3386549140 100644 --- a/fs/9p/v9fs.c +++ b/fs/9p/v9fs.c @@ -66,7 +66,7 @@ static match_table_t tokens = { {Opt_afid, "afid=%u"}, {Opt_rfdno, "rfdno=%u"}, {Opt_wfdno, "wfdno=%u"}, - {Opt_debug, "debug=%u"}, + {Opt_debug, "debug=%x"}, {Opt_name, "name=%s"}, {Opt_remotename, "aname=%s"}, {Opt_unix, "proto=unix"}, diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 1b117a441298..c2eac2a50bd2 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -938,6 +938,11 @@ static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs) kfree(elf_interpreter); } else { elf_entry = loc->elf_ex.e_entry; + if (BAD_ADDR(elf_entry)) { + send_sig(SIGSEGV, current, 0); + retval = -ENOEXEC; /* Nobody gets to see this, but.. */ + goto out_free_dentry; + } } kfree(elf_phdata); diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 217323b0c896..b41e8b379652 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -1048,13 +1048,14 @@ CIFSSMBRead(const int xid, struct cifsTconInfo *tcon, cifs_small_buf_release(iov[0].iov_base); else if(resp_buf_type == CIFS_LARGE_BUFFER) cifs_buf_release(iov[0].iov_base); - } else /* return buffer to caller to free */ /* BB FIXME how do we tell caller if it is not a large buffer */ { - *buf = iov[0].iov_base; + } else if(resp_buf_type != CIFS_NO_BUFFER) { + /* return buffer to caller to free */ + *buf = iov[0].iov_base; if(resp_buf_type == CIFS_SMALL_BUFFER) *pbuf_type = CIFS_SMALL_BUFFER; else if(resp_buf_type == CIFS_LARGE_BUFFER) *pbuf_type = CIFS_LARGE_BUFFER; - } + } /* else no valid buffer on return - leave as null */ /* Note: On -EAGAIN error only caller can retry on handle based calls since file handle passed in no longer valid */ diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index e488603fb1e7..ef5ae6f93c75 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -1795,10 +1795,10 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb, conjunction with 52K kvec constraint on arch with 4K page size */ - if(cifs_sb->rsize < PAGE_CACHE_SIZE) { - cifs_sb->rsize = PAGE_CACHE_SIZE; - /* Windows ME does this */ - cFYI(1,("Attempt to set readsize for mount to less than one page (4096)")); + if(cifs_sb->rsize < 2048) { + cifs_sb->rsize = 2048; + /* Windows ME may prefer this */ + cFYI(1,("readsize set to minimum 2048")); } cifs_sb->mnt_uid = volume_info.linux_uid; cifs_sb->mnt_gid = volume_info.linux_gid; diff --git a/fs/compat.c b/fs/compat.c index a2ba78bdf7f7..5333c7d7427f 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -1757,7 +1757,7 @@ asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp, goto sticky; rtv.tv_usec = jiffies_to_usecs(do_div((*(u64*)&timeout), HZ)); rtv.tv_sec = timeout; - if (compat_timeval_compare(&rtv, &tv) < 0) + if (compat_timeval_compare(&rtv, &tv) >= 0) rtv = tv; if (copy_to_user(tvp, &rtv, sizeof(rtv))) { sticky: @@ -1834,7 +1834,7 @@ asmlinkage long compat_sys_pselect7(int n, compat_ulong_t __user *inp, rts.tv_sec++; rts.tv_nsec -= NSEC_PER_SEC; } - if (compat_timespec_compare(&rts, &ts) < 0) + if (compat_timespec_compare(&rts, &ts) >= 0) rts = ts; copy_to_user(tsp, &rts, sizeof(rts)); } @@ -1934,7 +1934,7 @@ asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds, rts.tv_nsec = jiffies_to_usecs(do_div((*(u64*)&timeout), HZ)) * 1000; rts.tv_sec = timeout; - if (compat_timespec_compare(&rts, &ts) < 0) + if (compat_timespec_compare(&rts, &ts) >= 0) rts = ts; if (copy_to_user(tsp, &rts, sizeof(rts))) { sticky: diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index 057e60217fc5..537ac70edfe5 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -2531,18 +2531,9 @@ static int rtc_ioctl(unsigned fd, unsigned cmd, unsigned long arg) val32 = kval; return put_user(val32, (unsigned int __user *)arg); case RTC_IRQP_SET32: + return sys_ioctl(fd, RTC_IRQP_SET, arg); case RTC_EPOCH_SET32: - ret = get_user(val32, (unsigned int __user *)arg); - if (ret) - return ret; - kval = val32; - - set_fs(KERNEL_DS); - ret = sys_ioctl(fd, (cmd == RTC_IRQP_SET32) ? - RTC_IRQP_SET : RTC_EPOCH_SET, - (unsigned long)&kval); - set_fs(oldfs); - return ret; + return sys_ioctl(fd, RTC_EPOCH_SET, arg); default: /* unreached */ return -ENOIOCTLCMD; diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c index a2ca3107d475..86ae8e93adb9 100644 --- a/fs/ext2/xattr.c +++ b/fs/ext2/xattr.c @@ -792,18 +792,20 @@ ext2_xattr_delete_inode(struct inode *inode) ext2_free_blocks(inode, EXT2_I(inode)->i_file_acl, 1); get_bh(bh); bforget(bh); + unlock_buffer(bh); } else { HDR(bh)->h_refcount = cpu_to_le32( le32_to_cpu(HDR(bh)->h_refcount) - 1); if (ce) mb_cache_entry_release(ce); + ea_bdebug(bh, "refcount now=%d", + le32_to_cpu(HDR(bh)->h_refcount)); + unlock_buffer(bh); mark_buffer_dirty(bh); if (IS_SYNC(inode)) sync_dirty_buffer(bh); DQUOT_FREE_BLOCK(inode, 1); } - ea_bdebug(bh, "refcount now=%d", le32_to_cpu(HDR(bh)->h_refcount) - 1); - unlock_buffer(bh); EXT2_I(inode)->i_file_acl = 0; cleanup: diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index f556a0d5c0d3..0c9a2ee54c91 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -66,6 +66,12 @@ static void restore_sigs(sigset_t *oldset) sigprocmask(SIG_SETMASK, oldset, NULL); } +/* + * Reset request, so that it can be reused + * + * The caller must be _very_ careful to make sure, that it is holding + * the only reference to req + */ void fuse_reset_request(struct fuse_req *req) { int preallocated = req->preallocated; diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 296351615b00..6f05379b0a0d 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -116,9 +116,14 @@ int fuse_open_common(struct inode *inode, struct file *file, int isdir) /* Special case for failed iget in CREATE */ static void fuse_release_end(struct fuse_conn *fc, struct fuse_req *req) { - u64 nodeid = req->in.h.nodeid; - fuse_reset_request(req); - fuse_send_forget(fc, req, nodeid, 1); + /* If called from end_io_requests(), req has more than one + reference and fuse_reset_request() cannot work */ + if (fc->connected) { + u64 nodeid = req->in.h.nodeid; + fuse_reset_request(req); + fuse_send_forget(fc, req, nodeid, 1); + } else + fuse_put_request(fc, req); } void fuse_send_release(struct fuse_conn *fc, struct fuse_file *ff, diff --git a/fs/namei.c b/fs/namei.c index e28de846c591..557dcf395ca1 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -2224,13 +2224,17 @@ int vfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_de * and other special files. --ADM */ asmlinkage long sys_linkat(int olddfd, const char __user *oldname, - int newdfd, const char __user *newname) + int newdfd, const char __user *newname, + int flags) { struct dentry *new_dentry; struct nameidata nd, old_nd; int error; char * to; + if (flags != 0) + return -EINVAL; + to = getname(newname); if (IS_ERR(to)) return PTR_ERR(to); @@ -2263,7 +2267,7 @@ exit: asmlinkage long sys_link(const char __user *oldname, const char __user *newname) { - return sys_linkat(AT_FDCWD, oldname, AT_FDCWD, newname); + return sys_linkat(AT_FDCWD, oldname, AT_FDCWD, newname, 0); } /* diff --git a/fs/ntfs/ChangeLog b/fs/ntfs/ChangeLog index 02f44094bda9..9d8ffa89e2c2 100644 --- a/fs/ntfs/ChangeLog +++ b/fs/ntfs/ChangeLog @@ -1,9 +1,9 @@ ToDo/Notes: - Find and fix bugs. - The only places in the kernel where a file is resized are - ntfs_file_write*() and ntfs_truncate() for both of which i_sem is + ntfs_file_write*() and ntfs_truncate() for both of which i_mutex is held. Just have to be careful in read-/writepage and other helpers - not running under i_sem that we play nice... Also need to be careful + not running under i_mutex that we play nice. Also need to be careful with initialized_size extension in ntfs_file_write*() and writepage. UPDATE: The only things that need to be checked are the compressed write and the other attribute resize/write cases like index @@ -19,6 +19,24 @@ ToDo/Notes: - Enable the code for setting the NT4 compatibility flag when we start making NTFS 1.2 specific modifications. +2.1.26 - Minor bug fixes and updates. + + - Fix a potential overflow in file.c where a cast to s64 was missing in + a left shift of a page index. + - The struct inode has had its i_sem semaphore changed to a mutex named + i_mutex. + - We have struct kmem_cache now so use it instead of the typedef + kmem_cache_t. (Pekka Enberg) + - Implement support for sector sizes above 512 bytes (up to the maximum + supported by NTFS which is 4096 bytes). + - Do more detailed reporting of why we cannot mount read-write by + special casing the VOLUME_MODIFIED_BY_CHKDSK flag. + - Miscellaneous updates to layout.h. + - Cope with attribute list attribute having invalid flags. Windows + copes with this and even chkdsk does not detect or fix this so we + have to cope with it, too. Thanks to Pawel Kot for reporting the + problem. + 2.1.25 - (Almost) fully implement write(2) and truncate(2). - Change ntfs_map_runlist_nolock(), ntfs_attr_find_vcn_nolock() and @@ -373,7 +391,7 @@ ToDo/Notes: single one of them had an mst error. (Thanks to Ken MacFerrin for the bug report.) - Fix error handling in fs/ntfs/quota.c::ntfs_mark_quotas_out_of_date() - where we failed to release i_sem on the $Quota/$Q attribute inode. + where we failed to release i_mutex on the $Quota/$Q attribute inode. - Fix bug in handling of bad inodes in fs/ntfs/namei.c::ntfs_lookup(). - Add mapping of unmapped buffers to all remaining code paths, i.e. fs/ntfs/aops.c::ntfs_write_mst_block(), mft.c::ntfs_sync_mft_mirror(), @@ -874,7 +892,7 @@ ToDo/Notes: clusters. (Philipp Thomas) - attrib.c::load_attribute_list(): Fix bug when initialized_size is a multiple of the block_size but not the cluster size. (Szabolcs - Szakacsits <szaka@sienet.hu>) + Szakacsits) 2.1.2 - Important bug fixes aleviating the hangs in statfs. @@ -884,7 +902,7 @@ ToDo/Notes: - Add handling for initialized_size != data_size in compressed files. - Reduce function local stack usage from 0x3d4 bytes to just noise in - fs/ntfs/upcase.c. (Randy Dunlap <rdunlap@xenotime.net>) + fs/ntfs/upcase.c. (Randy Dunlap) - Remove compiler warnings for newer gcc. - Pages are no longer kmapped by mm/filemap.c::generic_file_write() around calls to ->{prepare,commit}_write. Adapt NTFS appropriately @@ -1201,11 +1219,11 @@ ToDo/Notes: the kernel. We probably want a kernel generic init_address_space() function... - Drop BKL from ntfs_readdir() after consultation with Al Viro. The - only caller of ->readdir() is vfs_readdir() which holds i_sem during - the call, and i_sem is sufficient protection against changes in the - directory inode (including ->i_size). + only caller of ->readdir() is vfs_readdir() which holds i_mutex + during the call, and i_mutex is sufficient protection against changes + in the directory inode (including ->i_size). - Use generic_file_llseek() for directories (as opposed to - default_llseek()) as this downs i_sem instead of the BKL which is + default_llseek()) as this downs i_mutex instead of the BKL which is what we now need for exclusion against ->f_pos changes considering we no longer take the BKL in ntfs_readdir(). diff --git a/fs/ntfs/Makefile b/fs/ntfs/Makefile index d0d45d1c853a..d95fac7fdeb6 100644 --- a/fs/ntfs/Makefile +++ b/fs/ntfs/Makefile @@ -6,7 +6,7 @@ ntfs-objs := aops.o attrib.o collate.o compress.o debug.o dir.o file.o \ index.o inode.o mft.o mst.o namei.o runlist.o super.o sysctl.o \ unistr.o upcase.o -EXTRA_CFLAGS = -DNTFS_VERSION=\"2.1.25\" +EXTRA_CFLAGS = -DNTFS_VERSION=\"2.1.26\" ifeq ($(CONFIG_NTFS_DEBUG),y) EXTRA_CFLAGS += -DDEBUG diff --git a/fs/ntfs/aops.c b/fs/ntfs/aops.c index 1c0a4315876a..7e361da770b3 100644 --- a/fs/ntfs/aops.c +++ b/fs/ntfs/aops.c @@ -2,7 +2,7 @@ * aops.c - NTFS kernel address space operations and page cache handling. * Part of the Linux-NTFS project. * - * Copyright (c) 2001-2005 Anton Altaparmakov + * Copyright (c) 2001-2006 Anton Altaparmakov * Copyright (c) 2002 Richard Russon * * This program/include file is free software; you can redistribute it and/or @@ -200,8 +200,8 @@ static int ntfs_read_block(struct page *page) /* $MFT/$DATA must have its complete runlist in memory at all times. */ BUG_ON(!ni->runlist.rl && !ni->mft_no && !NInoAttr(ni)); - blocksize_bits = VFS_I(ni)->i_blkbits; - blocksize = 1 << blocksize_bits; + blocksize = vol->sb->s_blocksize; + blocksize_bits = vol->sb->s_blocksize_bits; if (!page_has_buffers(page)) { create_empty_buffers(page, blocksize, 0); @@ -569,10 +569,8 @@ static int ntfs_write_block(struct page *page, struct writeback_control *wbc) BUG_ON(!NInoNonResident(ni)); BUG_ON(NInoMstProtected(ni)); - - blocksize_bits = vi->i_blkbits; - blocksize = 1 << blocksize_bits; - + blocksize = vol->sb->s_blocksize; + blocksize_bits = vol->sb->s_blocksize_bits; if (!page_has_buffers(page)) { BUG_ON(!PageUptodate(page)); create_empty_buffers(page, blocksize, @@ -949,8 +947,8 @@ static int ntfs_write_mst_block(struct page *page, */ BUG_ON(!(is_mft || S_ISDIR(vi->i_mode) || (NInoAttr(ni) && ni->type == AT_INDEX_ALLOCATION))); - bh_size_bits = vi->i_blkbits; - bh_size = 1 << bh_size_bits; + bh_size = vol->sb->s_blocksize; + bh_size_bits = vol->sb->s_blocksize_bits; max_bhs = PAGE_CACHE_SIZE / bh_size; BUG_ON(!max_bhs); BUG_ON(max_bhs > MAX_BUF_PER_PAGE); @@ -1596,7 +1594,7 @@ void mark_ntfs_record_dirty(struct page *page, const unsigned int ofs) { BUG_ON(!PageUptodate(page)); end = ofs + ni->itype.index.block_size; - bh_size = 1 << VFS_I(ni)->i_blkbits; + bh_size = VFS_I(ni)->i_sb->s_blocksize; spin_lock(&mapping->private_lock); if (unlikely(!page_has_buffers(page))) { spin_unlock(&mapping->private_lock); diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c index fb413d3d8618..5027d3d1b3fe 100644 --- a/fs/ntfs/file.c +++ b/fs/ntfs/file.c @@ -1,7 +1,7 @@ /* * file.c - NTFS kernel file operations. Part of the Linux-NTFS project. * - * Copyright (c) 2001-2005 Anton Altaparmakov + * Copyright (c) 2001-2006 Anton Altaparmakov * * This program/include file is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as published @@ -248,7 +248,7 @@ do_non_resident_extend: * enough to make ntfs_writepage() work. */ write_lock_irqsave(&ni->size_lock, flags); - ni->initialized_size = (index + 1) << PAGE_CACHE_SHIFT; + ni->initialized_size = (s64)(index + 1) << PAGE_CACHE_SHIFT; if (ni->initialized_size > new_init_size) ni->initialized_size = new_init_size; write_unlock_irqrestore(&ni->size_lock, flags); @@ -529,8 +529,8 @@ static int ntfs_prepare_pages_for_non_resident_write(struct page **pages, "index 0x%lx, nr_pages 0x%x, pos 0x%llx, bytes 0x%zx.", vi->i_ino, ni->type, pages[0]->index, nr_pages, (long long)pos, bytes); - blocksize_bits = vi->i_blkbits; - blocksize = 1 << blocksize_bits; + blocksize = vol->sb->s_blocksize; + blocksize_bits = vol->sb->s_blocksize_bits; u = 0; do { struct page *page = pages[u]; @@ -1525,7 +1525,7 @@ static inline int ntfs_commit_pages_after_non_resident_write( vi = pages[0]->mapping->host; ni = NTFS_I(vi); - blocksize = 1 << vi->i_blkbits; + blocksize = vi->i_sb->s_blocksize; end = pos + bytes; u = 0; do { diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c index ea1bd3feea1b..55263b7de9c0 100644 --- a/fs/ntfs/inode.c +++ b/fs/ntfs/inode.c @@ -677,13 +677,28 @@ static int ntfs_read_locked_inode(struct inode *vi) ntfs_debug("Attribute list found in inode 0x%lx.", vi->i_ino); NInoSetAttrList(ni); a = ctx->attr; - if (a->flags & ATTR_IS_ENCRYPTED || - a->flags & ATTR_COMPRESSION_MASK || - a->flags & ATTR_IS_SPARSE) { + if (a->flags & ATTR_COMPRESSION_MASK) { ntfs_error(vi->i_sb, "Attribute list attribute is " - "compressed/encrypted/sparse."); + "compressed."); goto unm_err_out; } + if (a->flags & ATTR_IS_ENCRYPTED || + a->flags & ATTR_IS_SPARSE) { + if (a->non_resident) { + ntfs_error(vi->i_sb, "Non-resident attribute " + "list attribute is encrypted/" + "sparse."); + goto unm_err_out; + } + ntfs_warning(vi->i_sb, "Resident attribute list " + "attribute in inode 0x%lx is marked " + "encrypted/sparse which is not true. " + "However, Windows allows this and " + "chkdsk does not detect or correct it " + "so we will just ignore the invalid " + "flags and pretend they are not set.", + vi->i_ino); + } /* Now allocate memory for the attribute list. */ ni->attr_list_size = (u32)ntfs_attr_size(a); ni->attr_list = ntfs_malloc_nofs(ni->attr_list_size); @@ -1809,19 +1824,33 @@ int ntfs_read_inode_mount(struct inode *vi) } else /* if (!err) */ { ATTR_LIST_ENTRY *al_entry, *next_al_entry; u8 *al_end; + static const char *es = " Not allowed. $MFT is corrupt. " + "You should run chkdsk."; ntfs_debug("Attribute list attribute found in $MFT."); NInoSetAttrList(ni); a = ctx->attr; - if (a->flags & ATTR_IS_ENCRYPTED || - a->flags & ATTR_COMPRESSION_MASK || - a->flags & ATTR_IS_SPARSE) { + if (a->flags & ATTR_COMPRESSION_MASK) { ntfs_error(sb, "Attribute list attribute is " - "compressed/encrypted/sparse. Not " - "allowed. $MFT is corrupt. You should " - "run chkdsk."); + "compressed.%s", es); goto put_err_out; } + if (a->flags & ATTR_IS_ENCRYPTED || + a->flags & ATTR_IS_SPARSE) { + if (a->non_resident) { + ntfs_error(sb, "Non-resident attribute list " + "attribute is encrypted/" + "sparse.%s", es); + goto put_err_out; + } + ntfs_warning(sb, "Resident attribute list attribute " + "in $MFT system file is marked " + "encrypted/sparse which is not true. " + "However, Windows allows this and " + "chkdsk does not detect or correct it " + "so we will just ignore the invalid " + "flags and pretend they are not set."); + } /* Now allocate memory for the attribute list. */ ni->attr_list_size = (u32)ntfs_attr_size(a); ni->attr_list = ntfs_malloc_nofs(ni->attr_list_size); diff --git a/fs/ntfs/layout.h b/fs/ntfs/layout.h index f5678d5d7919..bb408d4dcbb0 100644 --- a/fs/ntfs/layout.h +++ b/fs/ntfs/layout.h @@ -838,15 +838,19 @@ enum { F_A_DEVICE, F_A_DIRECTORY, F_A_SPARSE_FILE, F_A_REPARSE_POINT, F_A_COMPRESSED, and F_A_ENCRYPTED and preserves the rest. This mask is used to to obtain all flags that are valid for setting. */ - /* - * The following flags are only present in the FILE_NAME attribute (in + * The following flag is only present in the FILE_NAME attribute (in * the field file_attributes). */ FILE_ATTR_DUP_FILE_NAME_INDEX_PRESENT = const_cpu_to_le32(0x10000000), /* Note, this is a copy of the corresponding bit from the mft record, telling us whether this is a directory or not, i.e. whether it has an index root attribute or not. */ + /* + * The following flag is present both in the STANDARD_INFORMATION + * attribute and in the FILE_NAME attribute (in the field + * file_attributes). + */ FILE_ATTR_DUP_VIEW_INDEX_PRESENT = const_cpu_to_le32(0x20000000), /* Note, this is a copy of the corresponding bit from the mft record, telling us whether this file has a view index present (eg. object id @@ -1071,9 +1075,15 @@ typedef struct { modified. */ /* 20*/ sle64 last_access_time; /* Time this mft record was last accessed. */ -/* 28*/ sle64 allocated_size; /* Byte size of allocated space for the - data attribute. NOTE: Is a multiple - of the cluster size. */ +/* 28*/ sle64 allocated_size; /* Byte size of on-disk allocated space + for the data attribute. So for + normal $DATA, this is the + allocated_size from the unnamed + $DATA attribute and for compressed + and/or sparse $DATA, this is the + compressed_size from the unnamed + $DATA attribute. NOTE: This is a + multiple of the cluster size. */ /* 30*/ sle64 data_size; /* Byte size of actual data in data attribute. */ /* 38*/ FILE_ATTR_FLAGS file_attributes; /* Flags describing the file. */ @@ -1904,12 +1914,13 @@ enum { VOLUME_DELETE_USN_UNDERWAY = const_cpu_to_le16(0x0010), VOLUME_REPAIR_OBJECT_ID = const_cpu_to_le16(0x0020), + VOLUME_CHKDSK_UNDERWAY = const_cpu_to_le16(0x4000), VOLUME_MODIFIED_BY_CHKDSK = const_cpu_to_le16(0x8000), - VOLUME_FLAGS_MASK = const_cpu_to_le16(0x803f), + VOLUME_FLAGS_MASK = const_cpu_to_le16(0xc03f), /* To make our life easier when checking if we must mount read-only. */ - VOLUME_MUST_MOUNT_RO_MASK = const_cpu_to_le16(0x8027), + VOLUME_MUST_MOUNT_RO_MASK = const_cpu_to_le16(0xc027), } __attribute__ ((__packed__)); typedef le16 VOLUME_FLAGS; diff --git a/fs/ntfs/mft.c b/fs/ntfs/mft.c index 0c65cbb8c5cf..6499aafc2258 100644 --- a/fs/ntfs/mft.c +++ b/fs/ntfs/mft.c @@ -1,7 +1,7 @@ /** * mft.c - NTFS kernel mft record operations. Part of the Linux-NTFS project. * - * Copyright (c) 2001-2005 Anton Altaparmakov + * Copyright (c) 2001-2006 Anton Altaparmakov * Copyright (c) 2002 Richard Russon * * This program/include file is free software; you can redistribute it and/or @@ -473,7 +473,7 @@ int ntfs_sync_mft_mirror(ntfs_volume *vol, const unsigned long mft_no, runlist_element *rl; unsigned int block_start, block_end, m_start, m_end, page_ofs; int i_bhs, nr_bhs, err = 0; - unsigned char blocksize_bits = vol->mftmirr_ino->i_blkbits; + unsigned char blocksize_bits = vol->sb->s_blocksize_bits; ntfs_debug("Entering for inode 0x%lx.", mft_no); BUG_ON(!max_bhs); @@ -672,8 +672,8 @@ int write_mft_record_nolock(ntfs_inode *ni, MFT_RECORD *m, int sync) { ntfs_volume *vol = ni->vol; struct page *page = ni->page; - unsigned char blocksize_bits = vol->mft_ino->i_blkbits; - unsigned int blocksize = 1 << blocksize_bits; + unsigned int blocksize = vol->sb->s_blocksize; + unsigned char blocksize_bits = vol->sb->s_blocksize_bits; int max_bhs = vol->mft_record_size / blocksize; struct buffer_head *bhs[max_bhs]; struct buffer_head *bh, *head; diff --git a/fs/ntfs/ntfs.h b/fs/ntfs/ntfs.h index 446b5014115c..653d2a5c4899 100644 --- a/fs/ntfs/ntfs.h +++ b/fs/ntfs/ntfs.h @@ -50,11 +50,11 @@ typedef enum { /* Global variables. */ /* Slab caches (from super.c). */ -extern kmem_cache_t *ntfs_name_cache; -extern kmem_cache_t *ntfs_inode_cache; -extern kmem_cache_t *ntfs_big_inode_cache; -extern kmem_cache_t *ntfs_attr_ctx_cache; -extern kmem_cache_t *ntfs_index_ctx_cache; +extern struct kmem_cache *ntfs_name_cache; +extern struct kmem_cache *ntfs_inode_cache; +extern struct kmem_cache *ntfs_big_inode_cache; +extern struct kmem_cache *ntfs_attr_ctx_cache; +extern struct kmem_cache *ntfs_index_ctx_cache; /* The various operations structs defined throughout the driver files. */ extern struct address_space_operations ntfs_aops; diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c index c3a3f1a8310b..368a8ec10668 100644 --- a/fs/ntfs/super.c +++ b/fs/ntfs/super.c @@ -1,7 +1,7 @@ /* * super.c - NTFS kernel super block handling. Part of the Linux-NTFS project. * - * Copyright (c) 2001-2005 Anton Altaparmakov + * Copyright (c) 2001-2006 Anton Altaparmakov * Copyright (c) 2001,2002 Richard Russon * * This program/include file is free software; you can redistribute it and/or @@ -22,6 +22,7 @@ #include <linux/stddef.h> #include <linux/init.h> +#include <linux/slab.h> #include <linux/string.h> #include <linux/spinlock.h> #include <linux/blkdev.h> /* For bdev_hardsect_size(). */ @@ -471,9 +472,16 @@ static int ntfs_remount(struct super_block *sb, int *flags, char *opt) ntfs_error(sb, "Volume is dirty and read-only%s", es); return -EROFS; } + if (vol->vol_flags & VOLUME_MODIFIED_BY_CHKDSK) { + ntfs_error(sb, "Volume has been modified by chkdsk " + "and is read-only%s", es); + return -EROFS; + } if (vol->vol_flags & VOLUME_MUST_MOUNT_RO_MASK) { - ntfs_error(sb, "Volume has unsupported flags set and " - "is read-only%s", es); + ntfs_error(sb, "Volume has unsupported flags set " + "(0x%x) and is read-only%s", + (unsigned)le16_to_cpu(vol->vol_flags), + es); return -EROFS; } if (ntfs_set_volume_flags(vol, VOLUME_IS_DIRTY)) { @@ -641,7 +649,7 @@ static struct buffer_head *read_ntfs_boot_sector(struct super_block *sb, { const char *read_err_str = "Unable to read %s boot sector."; struct buffer_head *bh_primary, *bh_backup; - long nr_blocks = NTFS_SB(sb)->nr_blocks; + sector_t nr_blocks = NTFS_SB(sb)->nr_blocks; /* Try to read primary boot sector. */ if ((bh_primary = sb_bread(sb, 0))) { @@ -688,13 +696,18 @@ hotfix_primary_boot_sector: /* * If we managed to read sector zero and the volume is not * read-only, copy the found, valid backup boot sector to the - * primary boot sector. + * primary boot sector. Note we only copy the actual boot + * sector structure, not the actual whole device sector as that + * may be bigger and would potentially damage the $Boot system + * file (FIXME: Would be nice to know if the backup boot sector + * on a large sector device contains the whole boot loader or + * just the first 512 bytes). */ if (!(sb->s_flags & MS_RDONLY)) { ntfs_warning(sb, "Hot-fix: Recovering invalid primary " "boot sector from backup copy."); memcpy(bh_primary->b_data, bh_backup->b_data, - sb->s_blocksize); + NTFS_BLOCK_SIZE); mark_buffer_dirty(bh_primary); sync_dirty_buffer(bh_primary); if (buffer_uptodate(bh_primary)) { @@ -733,9 +746,13 @@ static BOOL parse_ntfs_boot_sector(ntfs_volume *vol, const NTFS_BOOT_SECTOR *b) vol->sector_size); ntfs_debug("vol->sector_size_bits = %i (0x%x)", vol->sector_size_bits, vol->sector_size_bits); - if (vol->sector_size != vol->sb->s_blocksize) - ntfs_warning(vol->sb, "The boot sector indicates a sector size " - "different from the device sector size."); + if (vol->sector_size < vol->sb->s_blocksize) { + ntfs_error(vol->sb, "Sector size (%i) is smaller than the " + "device block size (%lu). This is not " + "supported. Sorry.", vol->sector_size, + vol->sb->s_blocksize); + return FALSE; + } ntfs_debug("sectors_per_cluster = 0x%x", b->bpb.sectors_per_cluster); sectors_per_cluster_bits = ffs(b->bpb.sectors_per_cluster) - 1; ntfs_debug("sectors_per_cluster_bits = 0x%x", @@ -748,16 +765,11 @@ static BOOL parse_ntfs_boot_sector(ntfs_volume *vol, const NTFS_BOOT_SECTOR *b) ntfs_debug("vol->cluster_size = %i (0x%x)", vol->cluster_size, vol->cluster_size); ntfs_debug("vol->cluster_size_mask = 0x%x", vol->cluster_size_mask); - ntfs_debug("vol->cluster_size_bits = %i (0x%x)", - vol->cluster_size_bits, vol->cluster_size_bits); - if (vol->sector_size > vol->cluster_size) { - ntfs_error(vol->sb, "Sector sizes above the cluster size are " - "not supported. Sorry."); - return FALSE; - } - if (vol->sb->s_blocksize > vol->cluster_size) { - ntfs_error(vol->sb, "Cluster sizes smaller than the device " - "sector size are not supported. Sorry."); + ntfs_debug("vol->cluster_size_bits = %i", vol->cluster_size_bits); + if (vol->cluster_size < vol->sector_size) { + ntfs_error(vol->sb, "Cluster size (%i) is smaller than the " + "sector size (%i). This is not supported. " + "Sorry.", vol->cluster_size, vol->sector_size); return FALSE; } clusters_per_mft_record = b->clusters_per_mft_record; @@ -786,11 +798,18 @@ static BOOL parse_ntfs_boot_sector(ntfs_volume *vol, const NTFS_BOOT_SECTOR *b) * we store $MFT/$DATA, the table of mft records in the page cache. */ if (vol->mft_record_size > PAGE_CACHE_SIZE) { - ntfs_error(vol->sb, "Mft record size %i (0x%x) exceeds the " - "page cache size on your system %lu (0x%lx). " + ntfs_error(vol->sb, "Mft record size (%i) exceeds the " + "PAGE_CACHE_SIZE on your system (%lu). " "This is not supported. Sorry.", - vol->mft_record_size, vol->mft_record_size, - PAGE_CACHE_SIZE, PAGE_CACHE_SIZE); + vol->mft_record_size, PAGE_CACHE_SIZE); + return FALSE; + } + /* We cannot support mft record sizes below the sector size. */ + if (vol->mft_record_size < vol->sector_size) { + ntfs_error(vol->sb, "Mft record size (%i) is smaller than the " + "sector size (%i). This is not supported. " + "Sorry.", vol->mft_record_size, + vol->sector_size); return FALSE; } clusters_per_index_record = b->clusters_per_index_record; @@ -816,6 +835,14 @@ static BOOL parse_ntfs_boot_sector(ntfs_volume *vol, const NTFS_BOOT_SECTOR *b) ntfs_debug("vol->index_record_size_bits = %i (0x%x)", vol->index_record_size_bits, vol->index_record_size_bits); + /* We cannot support index record sizes below the sector size. */ + if (vol->index_record_size < vol->sector_size) { + ntfs_error(vol->sb, "Index record size (%i) is smaller than " + "the sector size (%i). This is not " + "supported. Sorry.", vol->index_record_size, + vol->sector_size); + return FALSE; + } /* * Get the size of the volume in clusters and check for 64-bit-ness. * Windows currently only uses 32 bits to save the clusters so we do @@ -845,15 +872,18 @@ static BOOL parse_ntfs_boot_sector(ntfs_volume *vol, const NTFS_BOOT_SECTOR *b) } ll = sle64_to_cpu(b->mft_lcn); if (ll >= vol->nr_clusters) { - ntfs_error(vol->sb, "MFT LCN is beyond end of volume. Weird."); + ntfs_error(vol->sb, "MFT LCN (%lli, 0x%llx) is beyond end of " + "volume. Weird.", (unsigned long long)ll, + (unsigned long long)ll); return FALSE; } vol->mft_lcn = ll; ntfs_debug("vol->mft_lcn = 0x%llx", (long long)vol->mft_lcn); ll = sle64_to_cpu(b->mftmirr_lcn); if (ll >= vol->nr_clusters) { - ntfs_error(vol->sb, "MFTMirr LCN is beyond end of volume. " - "Weird."); + ntfs_error(vol->sb, "MFTMirr LCN (%lli, 0x%llx) is beyond end " + "of volume. Weird.", (unsigned long long)ll, + (unsigned long long)ll); return FALSE; } vol->mftmirr_lcn = ll; @@ -1822,11 +1852,24 @@ get_ctx_vol_failed: /* Make sure that no unsupported volume flags are set. */ if (vol->vol_flags & VOLUME_MUST_MOUNT_RO_MASK) { static const char *es1a = "Volume is dirty"; - static const char *es1b = "Volume has unsupported flags set"; - static const char *es2 = ". Run chkdsk and mount in Windows."; - const char *es1; - - es1 = vol->vol_flags & VOLUME_IS_DIRTY ? es1a : es1b; + static const char *es1b = "Volume has been modified by chkdsk"; + static const char *es1c = "Volume has unsupported flags set"; + static const char *es2a = ". Run chkdsk and mount in Windows."; + static const char *es2b = ". Mount in Windows."; + const char *es1, *es2; + + es2 = es2a; + if (vol->vol_flags & VOLUME_IS_DIRTY) + es1 = es1a; + else if (vol->vol_flags & VOLUME_MODIFIED_BY_CHKDSK) { + es1 = es1b; + es2 = es2b; + } else { + es1 = es1c; + ntfs_warning(sb, "Unsupported volume flags 0x%x " + "encountered.", + (unsigned)le16_to_cpu(vol->vol_flags)); + } /* If a read-write mount, convert it to a read-only mount. */ if (!(sb->s_flags & MS_RDONLY)) { if (!(vol->on_errors & (ON_ERRORS_REMOUNT_RO | @@ -2685,7 +2728,7 @@ static int ntfs_fill_super(struct super_block *sb, void *opt, const int silent) ntfs_volume *vol; struct buffer_head *bh; struct inode *tmp_ino; - int result; + int blocksize, result; ntfs_debug("Entering."); #ifndef NTFS_RW @@ -2724,60 +2767,85 @@ static int ntfs_fill_super(struct super_block *sb, void *opt, const int silent) if (!parse_options(vol, (char*)opt)) goto err_out_now; + /* We support sector sizes up to the PAGE_CACHE_SIZE. */ + if (bdev_hardsect_size(sb->s_bdev) > PAGE_CACHE_SIZE) { + if (!silent) + ntfs_error(sb, "Device has unsupported sector size " + "(%i). The maximum supported sector " + "size on this architecture is %lu " + "bytes.", + bdev_hardsect_size(sb->s_bdev), + PAGE_CACHE_SIZE); + goto err_out_now; + } /* - * TODO: Fail safety check. In the future we should really be able to - * cope with this being the case, but for now just bail out. + * Setup the device access block size to NTFS_BLOCK_SIZE or the hard + * sector size, whichever is bigger. */ - if (bdev_hardsect_size(sb->s_bdev) > NTFS_BLOCK_SIZE) { + blocksize = sb_min_blocksize(sb, NTFS_BLOCK_SIZE); + if (blocksize < NTFS_BLOCK_SIZE) { if (!silent) - ntfs_error(sb, "Device has unsupported hardsect_size."); + ntfs_error(sb, "Unable to set device block size."); goto err_out_now; } - - /* Setup the device access block size to NTFS_BLOCK_SIZE. */ - if (sb_set_blocksize(sb, NTFS_BLOCK_SIZE) != NTFS_BLOCK_SIZE) { + BUG_ON(blocksize != sb->s_blocksize); + ntfs_debug("Set device block size to %i bytes (block size bits %i).", + blocksize, sb->s_blocksize_bits); + /* Determine the size of the device in units of block_size bytes. */ + if (!i_size_read(sb->s_bdev->bd_inode)) { if (!silent) - ntfs_error(sb, "Unable to set block size."); + ntfs_error(sb, "Unable to determine device size."); goto err_out_now; } - - /* Get the size of the device in units of NTFS_BLOCK_SIZE bytes. */ vol->nr_blocks = i_size_read(sb->s_bdev->bd_inode) >> - NTFS_BLOCK_SIZE_BITS; - + sb->s_blocksize_bits; /* Read the boot sector and return unlocked buffer head to it. */ if (!(bh = read_ntfs_boot_sector(sb, silent))) { if (!silent) ntfs_error(sb, "Not an NTFS volume."); goto err_out_now; } - /* - * Extract the data from the boot sector and setup the ntfs super block + * Extract the data from the boot sector and setup the ntfs volume * using it. */ result = parse_ntfs_boot_sector(vol, (NTFS_BOOT_SECTOR*)bh->b_data); - - /* Initialize the cluster and mft allocators. */ - ntfs_setup_allocators(vol); - brelse(bh); - if (!result) { if (!silent) ntfs_error(sb, "Unsupported NTFS filesystem."); goto err_out_now; } - /* - * TODO: When we start coping with sector sizes different from - * NTFS_BLOCK_SIZE, we now probably need to set the blocksize of the - * device (probably to NTFS_BLOCK_SIZE). + * If the boot sector indicates a sector size bigger than the current + * device block size, switch the device block size to the sector size. + * TODO: It may be possible to support this case even when the set + * below fails, we would just be breaking up the i/o for each sector + * into multiple blocks for i/o purposes but otherwise it should just + * work. However it is safer to leave disabled until someone hits this + * error message and then we can get them to try it without the setting + * so we know for sure that it works. */ - + if (vol->sector_size > blocksize) { + blocksize = sb_set_blocksize(sb, vol->sector_size); + if (blocksize != vol->sector_size) { + if (!silent) + ntfs_error(sb, "Unable to set device block " + "size to sector size (%i).", + vol->sector_size); + goto err_out_now; + } + BUG_ON(blocksize != sb->s_blocksize); + vol->nr_blocks = i_size_read(sb->s_bdev->bd_inode) >> + sb->s_blocksize_bits; + ntfs_debug("Changed device block size to %i bytes (block size " + "bits %i) to match volume sector size.", + blocksize, sb->s_blocksize_bits); + } + /* Initialize the cluster and mft allocators. */ + ntfs_setup_allocators(vol); /* Setup remaining fields in the super block. */ sb->s_magic = NTFS_SB_MAGIC; - /* * Ntfs allows 63 bits for the file size, i.e. correct would be: * sb->s_maxbytes = ~0ULL >> 1; @@ -2787,9 +2855,8 @@ static int ntfs_fill_super(struct super_block *sb, void *opt, const int silent) * without overflowing the index or to 2^63 - 1, whichever is smaller. */ sb->s_maxbytes = MAX_LFS_FILESIZE; - + /* Ntfs measures time in 100ns intervals. */ sb->s_time_gran = 100; - /* * Now load the metadata required for the page cache and our address * space operations to function. We do this by setting up a specialised @@ -2987,14 +3054,14 @@ err_out_now: * strings of the maximum length allowed by NTFS, which is NTFS_MAX_NAME_LEN * (255) Unicode characters + a terminating NULL Unicode character. */ -kmem_cache_t *ntfs_name_cache; +struct kmem_cache *ntfs_name_cache; /* Slab caches for efficient allocation/deallocation of inodes. */ -kmem_cache_t *ntfs_inode_cache; -kmem_cache_t *ntfs_big_inode_cache; +struct kmem_cache *ntfs_inode_cache; +struct kmem_cache *ntfs_big_inode_cache; /* Init once constructor for the inode slab cache. */ -static void ntfs_big_inode_init_once(void *foo, kmem_cache_t *cachep, +static void ntfs_big_inode_init_once(void *foo, struct kmem_cache *cachep, unsigned long flags) { ntfs_inode *ni = (ntfs_inode *)foo; @@ -3008,8 +3075,8 @@ static void ntfs_big_inode_init_once(void *foo, kmem_cache_t *cachep, * Slab caches to optimize allocations and deallocations of attribute search * contexts and index contexts, respectively. */ -kmem_cache_t *ntfs_attr_ctx_cache; -kmem_cache_t *ntfs_index_ctx_cache; +struct kmem_cache *ntfs_attr_ctx_cache; +struct kmem_cache *ntfs_index_ctx_cache; /* Driver wide semaphore. */ DECLARE_MUTEX(ntfs_lock); diff --git a/fs/ntfs/upcase.c b/fs/ntfs/upcase.c index 879cdf1d5bd3..9101807dc81a 100644 --- a/fs/ntfs/upcase.c +++ b/fs/ntfs/upcase.c @@ -3,10 +3,7 @@ * Part of the Linux-NTFS project. * * Copyright (c) 2001 Richard Russon <ntfs@flatcap.org> - * Copyright (c) 2001-2004 Anton Altaparmakov - * - * Modified for mkntfs inclusion 9 June 2001 by Anton Altaparmakov. - * Modified for kernel inclusion 10 September 2001 by Anton Altparmakov. + * Copyright (c) 2001-2006 Anton Altaparmakov * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free @@ -75,12 +72,13 @@ ntfschar *generate_default_upcase(void) if (!uc) return uc; memset(uc, 0, default_upcase_len * sizeof(ntfschar)); + /* Generate the little endian Unicode upcase table used by ntfs. */ for (i = 0; i < default_upcase_len; i++) uc[i] = cpu_to_le16(i); for (r = 0; uc_run_table[r][0]; r++) for (i = uc_run_table[r][0]; i < uc_run_table[r][1]; i++) - uc[i] = cpu_to_le16((le16_to_cpu(uc[i]) + - uc_run_table[r][2])); + uc[i] = cpu_to_le16(le16_to_cpu(uc[i]) + + uc_run_table[r][2]); for (r = 0; uc_dup_table[r][0]; r++) for (i = uc_dup_table[r][0]; i < uc_dup_table[r][1]; i += 2) uc[i + 1] = cpu_to_le16(le16_to_cpu(uc[i + 1]) - 1); diff --git a/fs/ntfs/volume.h b/fs/ntfs/volume.h index 375cd20a9f61..406ab55dfb32 100644 --- a/fs/ntfs/volume.h +++ b/fs/ntfs/volume.h @@ -2,7 +2,7 @@ * volume.h - Defines for volume structures in NTFS Linux kernel driver. Part * of the Linux-NTFS project. * - * Copyright (c) 2001-2005 Anton Altaparmakov + * Copyright (c) 2001-2006 Anton Altaparmakov * Copyright (c) 2002 Richard Russon * * This program/include file is free software; you can redistribute it and/or @@ -41,10 +41,8 @@ typedef struct { * structure has stabilized... (AIA) */ /* Device specifics. */ - struct super_block *sb; /* Pointer back to the super_block, - so we don't have to get the offset - every time. */ - LCN nr_blocks; /* Number of NTFS_BLOCK_SIZE bytes + struct super_block *sb; /* Pointer back to the super_block. */ + LCN nr_blocks; /* Number of sb->s_blocksize bytes sized blocks on the device. */ /* Configuration provided by user at mount time. */ unsigned long flags; /* Miscellaneous flags, see below. */ @@ -141,8 +139,8 @@ typedef enum { NV_ShowSystemFiles, /* 1: Return system files in ntfs_readdir(). */ NV_CaseSensitive, /* 1: Treat file names as case sensitive and create filenames in the POSIX namespace. - Otherwise be case insensitive and create - file names in WIN32 namespace. */ + Otherwise be case insensitive but still + create file names in POSIX namespace. */ NV_LogFileEmpty, /* 1: $LogFile journal is empty. */ NV_QuotaOutOfDate, /* 1: $Quota is out of date. */ NV_UsnJrnlStamped, /* 1: $UsnJrnl has been stamped. */ @@ -153,7 +151,7 @@ typedef enum { * Macro tricks to expand the NVolFoo(), NVolSetFoo(), and NVolClearFoo() * functions. */ -#define NVOL_FNS(flag) \ +#define DEFINE_NVOL_BIT_OPS(flag) \ static inline int NVol##flag(ntfs_volume *vol) \ { \ return test_bit(NV_##flag, &(vol)->flags); \ @@ -168,12 +166,12 @@ static inline void NVolClear##flag(ntfs_volume *vol) \ } /* Emit the ntfs volume bitops functions. */ -NVOL_FNS(Errors) -NVOL_FNS(ShowSystemFiles) -NVOL_FNS(CaseSensitive) -NVOL_FNS(LogFileEmpty) -NVOL_FNS(QuotaOutOfDate) -NVOL_FNS(UsnJrnlStamped) -NVOL_FNS(SparseEnabled) +DEFINE_NVOL_BIT_OPS(Errors) +DEFINE_NVOL_BIT_OPS(ShowSystemFiles) +DEFINE_NVOL_BIT_OPS(CaseSensitive) +DEFINE_NVOL_BIT_OPS(LogFileEmpty) +DEFINE_NVOL_BIT_OPS(QuotaOutOfDate) +DEFINE_NVOL_BIT_OPS(UsnJrnlStamped) +DEFINE_NVOL_BIT_OPS(SparseEnabled) #endif /* _LINUX_NTFS_VOLUME_H */ diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 6573f31f1fd9..075d3e945602 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -204,10 +204,6 @@ int proc_fill_super(struct super_block *s, void *data, int silent) root_inode = proc_get_inode(s, PROC_ROOT_INO, &proc_root); if (!root_inode) goto out_no_root; - /* - * Fixup the root inode's nlink value - */ - root_inode->i_nlink += nr_processes(); root_inode->i_uid = 0; root_inode->i_gid = 0; s->s_root = d_alloc_root(root_inode); diff --git a/fs/proc/root.c b/fs/proc/root.c index 68896283c8ae..c3fd3611112f 100644 --- a/fs/proc/root.c +++ b/fs/proc/root.c @@ -80,16 +80,16 @@ void __init proc_root_init(void) proc_bus = proc_mkdir("bus", NULL); } -static struct dentry *proc_root_lookup(struct inode * dir, struct dentry * dentry, struct nameidata *nd) +static int proc_root_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat +) { - /* - * nr_threads is actually protected by the tasklist_lock; - * however, it's conventional to do reads, especially for - * reporting, without any locking whatsoever. - */ - if (dir->i_ino == PROC_ROOT_INO) /* check for safety... */ - dir->i_nlink = proc_root.nlink + nr_threads; + generic_fillattr(dentry->d_inode, stat); + stat->nlink = proc_root.nlink + nr_processes(); + return 0; +} +static struct dentry *proc_root_lookup(struct inode * dir, struct dentry * dentry, struct nameidata *nd) +{ if (!proc_lookup(dir, dentry, nd)) { return NULL; } @@ -134,6 +134,7 @@ static struct file_operations proc_root_operations = { */ static struct inode_operations proc_root_inode_operations = { .lookup = proc_root_lookup, + .getattr = proc_root_getattr, }; /* diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c index c66bd5e4c05c..cde5d48994ae 100644 --- a/fs/ramfs/inode.c +++ b/fs/ramfs/inode.c @@ -27,6 +27,7 @@ #include <linux/fs.h> #include <linux/pagemap.h> #include <linux/highmem.h> +#include <linux/time.h> #include <linux/init.h> #include <linux/string.h> #include <linux/smp_lock.h> @@ -104,6 +105,7 @@ ramfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) d_instantiate(dentry, inode); dget(dentry); /* Extra count - pin the dentry in core */ error = 0; + dir->i_mtime = dir->i_ctime = CURRENT_TIME; } return error; } diff --git a/fs/select.c b/fs/select.c index 6ce68a9c8976..1815a57d2255 100644 --- a/fs/select.c +++ b/fs/select.c @@ -404,7 +404,7 @@ asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp, goto sticky; rtv.tv_usec = jiffies_to_usecs(do_div((*(u64*)&timeout), HZ)); rtv.tv_sec = timeout; - if (timeval_compare(&rtv, &tv) < 0) + if (timeval_compare(&rtv, &tv) >= 0) rtv = tv; if (copy_to_user(tvp, &rtv, sizeof(rtv))) { sticky: @@ -471,7 +471,7 @@ asmlinkage long sys_pselect7(int n, fd_set __user *inp, fd_set __user *outp, rts.tv_nsec = jiffies_to_usecs(do_div((*(u64*)&timeout), HZ)) * 1000; rts.tv_sec = timeout; - if (timespec_compare(&rts, &ts) < 0) + if (timespec_compare(&rts, &ts) >= 0) rts = ts; if (copy_to_user(tsp, &rts, sizeof(rts))) { sticky: @@ -775,7 +775,7 @@ asmlinkage long sys_ppoll(struct pollfd __user *ufds, unsigned int nfds, rts.tv_nsec = jiffies_to_usecs(do_div((*(u64*)&timeout), HZ)) * 1000; rts.tv_sec = timeout; - if (timespec_compare(&rts, &ts) < 0) + if (timespec_compare(&rts, &ts) >= 0) rts = ts; if (copy_to_user(tsp, &rts, sizeof(rts))) { sticky: diff --git a/fs/super.c b/fs/super.c index 30294218fa63..e20b5580afd5 100644 --- a/fs/super.c +++ b/fs/super.c @@ -666,6 +666,16 @@ static int test_bdev_super(struct super_block *s, void *data) return (void *)s->s_bdev == data; } +static void bdev_uevent(struct block_device *bdev, enum kobject_action action) +{ + if (bdev->bd_disk) { + if (bdev->bd_part) + kobject_uevent(&bdev->bd_part->kobj, action); + else + kobject_uevent(&bdev->bd_disk->kobj, action); + } +} + struct super_block *get_sb_bdev(struct file_system_type *fs_type, int flags, const char *dev_name, void *data, int (*fill_super)(struct super_block *, void *, int)) @@ -707,8 +717,10 @@ struct super_block *get_sb_bdev(struct file_system_type *fs_type, up_write(&s->s_umount); deactivate_super(s); s = ERR_PTR(error); - } else + } else { s->s_flags |= MS_ACTIVE; + bdev_uevent(bdev, KOBJ_MOUNT); + } } return s; @@ -724,6 +736,7 @@ void kill_block_super(struct super_block *sb) { struct block_device *bdev = sb->s_bdev; + bdev_uevent(bdev, KOBJ_UMOUNT); generic_shutdown_super(sb); sync_blockdev(bdev); close_bdev_excl(bdev); diff --git a/include/asm-arm/arch-at91rm9200/gpio.h b/include/asm-arm/arch-at91rm9200/gpio.h index 0f0a61e2f129..6176ab2dc417 100644 --- a/include/asm-arm/arch-at91rm9200/gpio.h +++ b/include/asm-arm/arch-at91rm9200/gpio.h @@ -183,6 +183,7 @@ extern int at91_set_B_periph(unsigned pin, int use_pullup); extern int at91_set_gpio_input(unsigned pin, int use_pullup); extern int at91_set_gpio_output(unsigned pin, int value); extern int at91_set_deglitch(unsigned pin, int is_on); +extern int at91_set_multi_drive(unsigned pin, int is_on); /* callable at any time */ extern int at91_set_gpio_value(unsigned pin, int value); diff --git a/include/asm-arm/arch-ixp4xx/nas100d.h b/include/asm-arm/arch-ixp4xx/nas100d.h index 51ac0180427c..84467a5190d0 100644 --- a/include/asm-arm/arch-ixp4xx/nas100d.h +++ b/include/asm-arm/arch-ixp4xx/nas100d.h @@ -19,8 +19,8 @@ #error "Do not include this directly, instead #include <asm/hardware.h>" #endif -#define NAS100D_SDA_PIN 6 -#define NAS100D_SCL_PIN 5 +#define NAS100D_SDA_PIN 5 +#define NAS100D_SCL_PIN 6 /* * NAS100D PCI IRQs diff --git a/include/asm-arm/smp.h b/include/asm-arm/smp.h index 5a72e50ca9fc..fe45f7f61223 100644 --- a/include/asm-arm/smp.h +++ b/include/asm-arm/smp.h @@ -42,6 +42,11 @@ extern void show_ipi_list(struct seq_file *p); asmlinkage void do_IPI(struct pt_regs *regs); /* + * Setup the SMP cpu_possible_map + */ +extern void smp_init_cpus(void); + +/* * Move global data into per-processor storage. */ extern void smp_store_cpu_info(unsigned int cpuid); diff --git a/include/asm-arm/unistd.h b/include/asm-arm/unistd.h index 77430d6178ae..8f331bbd39a8 100644 --- a/include/asm-arm/unistd.h +++ b/include/asm-arm/unistd.h @@ -309,7 +309,7 @@ #define __NR_mq_getsetattr (__NR_SYSCALL_BASE+279) #define __NR_waitid (__NR_SYSCALL_BASE+280) -#if 0 /* reserve these for un-muxing socketcall */ +#if defined(__ARM_EABI__) /* reserve these for un-muxing socketcall */ #define __NR_socket (__NR_SYSCALL_BASE+281) #define __NR_bind (__NR_SYSCALL_BASE+282) #define __NR_connect (__NR_SYSCALL_BASE+283) @@ -329,7 +329,7 @@ #define __NR_recvmsg (__NR_SYSCALL_BASE+297) #endif -#if 0 /* reserve these for un-muxing ipc */ +#if defined(__ARM_EABI__) /* reserve these for un-muxing ipc */ #define __NR_semop (__NR_SYSCALL_BASE+298) #define __NR_semget (__NR_SYSCALL_BASE+299) #define __NR_semctl (__NR_SYSCALL_BASE+300) @@ -347,7 +347,7 @@ #define __NR_request_key (__NR_SYSCALL_BASE+310) #define __NR_keyctl (__NR_SYSCALL_BASE+311) -#if 0 /* reserved for un-muxing ipc */ +#if defined(__ARM_EABI__) /* reserved for un-muxing ipc */ #define __NR_semtimedop (__NR_SYSCALL_BASE+312) #endif diff --git a/include/asm-i386/desc.h b/include/asm-i386/desc.h index 494e73bca095..89b8b82c82b3 100644 --- a/include/asm-i386/desc.h +++ b/include/asm-i386/desc.h @@ -24,11 +24,13 @@ struct Xgt_desc_struct { unsigned short pad; } __attribute__ ((packed)); -extern struct Xgt_desc_struct idt_descr, cpu_gdt_descr[NR_CPUS]; +extern struct Xgt_desc_struct idt_descr; +DECLARE_PER_CPU(struct Xgt_desc_struct, cpu_gdt_descr); + static inline struct desc_struct *get_cpu_gdt_table(unsigned int cpu) { - return ((struct desc_struct *)cpu_gdt_descr[cpu].address); + return (struct desc_struct *)per_cpu(cpu_gdt_descr, cpu).address; } #define load_TR_desc() __asm__ __volatile__("ltr %w0"::"q" (GDT_ENTRY_TSS*8)) diff --git a/include/asm-i386/kprobes.h b/include/asm-i386/kprobes.h index 27cac050a60e..a0d2d74a7dda 100644 --- a/include/asm-i386/kprobes.h +++ b/include/asm-i386/kprobes.h @@ -27,6 +27,9 @@ #include <linux/types.h> #include <linux/ptrace.h> +#define __ARCH_WANT_KPROBES_INSN_SLOT + +struct kprobe; struct pt_regs; typedef u8 kprobe_opcode_t; @@ -40,14 +43,14 @@ typedef u8 kprobe_opcode_t; #define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)pentry #define ARCH_SUPPORTS_KRETPROBES -#define arch_remove_kprobe(p) do {} while (0) +void arch_remove_kprobe(struct kprobe *p); void kretprobe_trampoline(void); /* Architecture specific copy of original instruction*/ struct arch_specific_insn { /* copy of the original instruction */ - kprobe_opcode_t insn[MAX_INSN_SIZE]; + kprobe_opcode_t *insn; }; struct prev_kprobe { diff --git a/include/asm-i386/thread_info.h b/include/asm-i386/thread_info.h index e20e99551d71..1f7d48c9ba3f 100644 --- a/include/asm-i386/thread_info.h +++ b/include/asm-i386/thread_info.h @@ -158,8 +158,8 @@ register unsigned long current_stack_pointer asm("esp") __attribute_used__; /* work to do on interrupt/exception return */ #define _TIF_WORK_MASK \ - (0x0000FFFF & ~(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP|\ - _TIF_SECCOMP|_TIF_SYSCALL_EMU)) + (0x0000FFFF & ~(_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \ + _TIF_SECCOMP | _TIF_SYSCALL_EMU)) /* work to do on any return to u-space */ #define _TIF_ALLWORK_MASK (0x0000FFFF & ~_TIF_SECCOMP) diff --git a/include/asm-ia64/acpi.h b/include/asm-ia64/acpi.h index 3a544ffc5008..f7a517654308 100644 --- a/include/asm-ia64/acpi.h +++ b/include/asm-ia64/acpi.h @@ -106,6 +106,8 @@ extern unsigned int can_cpei_retarget(void); extern unsigned int is_cpu_cpei_target(unsigned int cpu); extern void set_cpei_target_cpu(unsigned int cpu); extern unsigned int get_cpei_target_cpu(void); +extern void prefill_possible_map(void); +extern int additional_cpus; #ifdef CONFIG_ACPI_NUMA /* Proximity bitmap length; _PXM is at most 255 (8 bit)*/ diff --git a/include/asm-ia64/machvec_sn2.h b/include/asm-ia64/machvec_sn2.h index e1b6cd63f49e..03d00faf03b5 100644 --- a/include/asm-ia64/machvec_sn2.h +++ b/include/asm-ia64/machvec_sn2.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2002-2003 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2002-2003, 2006 Silicon Graphics, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License @@ -20,11 +20,6 @@ * License along with this program; if not, write the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. * - * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, - * Mountain View, CA 94043, or: - * - * http://www.sgi.com - * * For further information regarding this notice, see: * * http://oss.sgi.com/projects/GenInfo/NoticeExplan diff --git a/include/asm-ia64/sn/arch.h b/include/asm-ia64/sn/arch.h index 1a3831c04af6..91c31be87b13 100644 --- a/include/asm-ia64/sn/arch.h +++ b/include/asm-ia64/sn/arch.h @@ -70,7 +70,7 @@ DECLARE_PER_CPU(struct sn_hub_info_s, __sn_hub_info); * Compact node ID to nasid mappings kept in the per-cpu data areas of each * cpu. */ -DECLARE_PER_CPU(short, __sn_cnodeid_to_nasid[MAX_NUMNODES]); +DECLARE_PER_CPU(short, __sn_cnodeid_to_nasid[MAX_COMPACT_NODES]); #define sn_cnodeid_to_nasid (&__get_cpu_var(__sn_cnodeid_to_nasid[0])) diff --git a/include/asm-ia64/sn/bte.h b/include/asm-ia64/sn/bte.h index 01e5b4103235..5335d87ca5f8 100644 --- a/include/asm-ia64/sn/bte.h +++ b/include/asm-ia64/sn/bte.h @@ -46,7 +46,7 @@ #define BTES_PER_NODE (is_shub2() ? 4 : 2) #define MAX_BTES_PER_NODE 4 -#define BTE2OFF_CTRL (0) +#define BTE2OFF_CTRL 0 #define BTE2OFF_SRC (SH2_BT_ENG_SRC_ADDR_0 - SH2_BT_ENG_CSR_0) #define BTE2OFF_DEST (SH2_BT_ENG_DEST_ADDR_0 - SH2_BT_ENG_CSR_0) #define BTE2OFF_NOTIFY (SH2_BT_ENG_NOTIF_ADDR_0 - SH2_BT_ENG_CSR_0) @@ -75,11 +75,11 @@ : base + (BTEOFF_NOTIFY/8)) /* Define hardware modes */ -#define BTE_NOTIFY (IBCT_NOTIFY) +#define BTE_NOTIFY IBCT_NOTIFY #define BTE_NORMAL BTE_NOTIFY #define BTE_ZERO_FILL (BTE_NOTIFY | IBCT_ZFIL_MODE) /* Use a reserved bit to let the caller specify a wait for any BTE */ -#define BTE_WACQUIRE (0x4000) +#define BTE_WACQUIRE 0x4000 /* Use the BTE on the node with the destination memory */ #define BTE_USE_DEST (BTE_WACQUIRE << 1) /* Use any available BTE interface on any node for the transfer */ diff --git a/include/asm-ia64/sn/pcibr_provider.h b/include/asm-ia64/sn/pcibr_provider.h index 9334078b089a..a601d3af39b6 100644 --- a/include/asm-ia64/sn/pcibr_provider.h +++ b/include/asm-ia64/sn/pcibr_provider.h @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1992-1997,2000-2004 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 1992-1997,2000-2006 Silicon Graphics, Inc. All rights reserved. */ #ifndef _ASM_IA64_SN_PCI_PCIBR_PROVIDER_H #define _ASM_IA64_SN_PCI_PCIBR_PROVIDER_H @@ -115,18 +115,6 @@ struct pcibus_info { spinlock_t pbi_lock; }; -/* - * pcibus_info structure locking macros - */ -inline static unsigned long -pcibr_lock(struct pcibus_info *pcibus_info) -{ - unsigned long flag; - spin_lock_irqsave(&pcibus_info->pbi_lock, flag); - return(flag); -} -#define pcibr_unlock(pcibus_info, flag) spin_unlock_irqrestore(&pcibus_info->pbi_lock, flag) - extern int pcibr_init_provider(void); extern void *pcibr_bus_fixup(struct pcibus_bussoft *, struct pci_controller *); extern dma_addr_t pcibr_dma_map(struct pci_dev *, unsigned long, size_t); diff --git a/include/asm-ia64/sn/sn_feature_sets.h b/include/asm-ia64/sn/sn_feature_sets.h index 9ca642cad338..ff33e3bd3f8e 100644 --- a/include/asm-ia64/sn/sn_feature_sets.h +++ b/include/asm-ia64/sn/sn_feature_sets.h @@ -12,9 +12,6 @@ */ -#include <asm/types.h> -#include <asm/bitops.h> - /* --------------------- PROM Features -----------------------------*/ extern int sn_prom_feature_available(int id); diff --git a/include/asm-ia64/sn/xpc.h b/include/asm-ia64/sn/xpc.h index 0c36928ffd8b..df7f5f4f3cde 100644 --- a/include/asm-ia64/sn/xpc.h +++ b/include/asm-ia64/sn/xpc.h @@ -508,19 +508,24 @@ struct xpc_channel { #define XPC_C_OPENREQUEST 0x00000010 /* local open channel request */ #define XPC_C_SETUP 0x00000020 /* channel's msgqueues are alloc'd */ -#define XPC_C_CONNECTCALLOUT 0x00000040 /* channel connected callout made */ -#define XPC_C_CONNECTED 0x00000080 /* local channel is connected */ -#define XPC_C_CONNECTING 0x00000100 /* channel is being connected */ - -#define XPC_C_RCLOSEREPLY 0x00000200 /* remote close channel reply */ -#define XPC_C_CLOSEREPLY 0x00000400 /* local close channel reply */ -#define XPC_C_RCLOSEREQUEST 0x00000800 /* remote close channel request */ -#define XPC_C_CLOSEREQUEST 0x00001000 /* local close channel request */ - -#define XPC_C_DISCONNECTED 0x00002000 /* channel is disconnected */ -#define XPC_C_DISCONNECTING 0x00004000 /* channel is being disconnected */ -#define XPC_C_DISCONNECTCALLOUT 0x00008000 /* chan disconnected callout made */ -#define XPC_C_WDISCONNECT 0x00010000 /* waiting for channel disconnect */ +#define XPC_C_CONNECTEDCALLOUT 0x00000040 /* connected callout initiated */ +#define XPC_C_CONNECTEDCALLOUT_MADE \ + 0x00000080 /* connected callout completed */ +#define XPC_C_CONNECTED 0x00000100 /* local channel is connected */ +#define XPC_C_CONNECTING 0x00000200 /* channel is being connected */ + +#define XPC_C_RCLOSEREPLY 0x00000400 /* remote close channel reply */ +#define XPC_C_CLOSEREPLY 0x00000800 /* local close channel reply */ +#define XPC_C_RCLOSEREQUEST 0x00001000 /* remote close channel request */ +#define XPC_C_CLOSEREQUEST 0x00002000 /* local close channel request */ + +#define XPC_C_DISCONNECTED 0x00004000 /* channel is disconnected */ +#define XPC_C_DISCONNECTING 0x00008000 /* channel is being disconnected */ +#define XPC_C_DISCONNECTINGCALLOUT \ + 0x00010000 /* disconnecting callout initiated */ +#define XPC_C_DISCONNECTINGCALLOUT_MADE \ + 0x00020000 /* disconnecting callout completed */ +#define XPC_C_WDISCONNECT 0x00040000 /* waiting for channel disconnect */ diff --git a/include/asm-ia64/timex.h b/include/asm-ia64/timex.h index 414aae060440..05a6baf8a472 100644 --- a/include/asm-ia64/timex.h +++ b/include/asm-ia64/timex.h @@ -15,6 +15,8 @@ typedef unsigned long cycles_t; +extern void (*ia64_udelay)(unsigned long usecs); + /* * For performance reasons, we don't want to define CLOCK_TICK_TRATE as * local_cpu_data->itc_rate. Fortunately, we don't have to, either: according to George diff --git a/include/asm-m32r/system.h b/include/asm-m32r/system.h index 06c12a037cba..d6a2c613be68 100644 --- a/include/asm-m32r/system.h +++ b/include/asm-m32r/system.h @@ -239,7 +239,7 @@ __cmpxchg_u32(volatile unsigned int *p, unsigned int old, unsigned int new) " bra 2f; \n" " .fillinsn \n" "1:" - M32R_UNLOCK" %2, @%1; \n" + M32R_UNLOCK" %0, @%1; \n" " .fillinsn \n" "2:" : "=&r" (retval) diff --git a/include/asm-m32r/uaccess.h b/include/asm-m32r/uaccess.h index 0da7c47d2f01..e8ae61956a51 100644 --- a/include/asm-m32r/uaccess.h +++ b/include/asm-m32r/uaccess.h @@ -328,7 +328,7 @@ extern void __put_user_bad(void); " .long 1b,4b\n" \ " .long 2b,4b\n" \ ".previous" \ - : "=r"(err) \ + : "=&r"(err) \ : "r"(x), "r"(addr), "i"(-EFAULT), "0"(err) \ : "r14", "memory") @@ -353,7 +353,7 @@ extern void __put_user_bad(void); " .long 1b,4b\n" \ " .long 2b,4b\n" \ ".previous" \ - : "=r"(err) \ + : "=&r"(err) \ : "r"(x), "r"(addr), "i"(-EFAULT), "0"(err) \ : "r14", "memory") #else @@ -398,7 +398,7 @@ struct __large_struct { unsigned long buf[100]; }; " .balign 4\n" \ " .long 1b,3b\n" \ ".previous" \ - : "=r"(err) \ + : "=&r"(err) \ : "r"(x), "r"(addr), "i"(-EFAULT), "0"(err) \ : "r14", "memory") @@ -442,7 +442,7 @@ do { \ " .balign 4\n" \ " .long 1b,3b\n" \ ".previous" \ - : "=r"(err), "=&r"(x) \ + : "=&r"(err), "=&r"(x) \ : "r"(addr), "i"(-EFAULT), "0"(err) \ : "r14", "memory") diff --git a/include/asm-m68k/irq.h b/include/asm-m68k/irq.h index 325c86f8512d..9ac047c400c4 100644 --- a/include/asm-m68k/irq.h +++ b/include/asm-m68k/irq.h @@ -79,7 +79,7 @@ static __inline__ int irq_canonicalize(int irq) extern void (*enable_irq)(unsigned int); extern void (*disable_irq)(unsigned int); -#define enable_irq_nosync enable_irq +#define disable_irq_nosync disable_irq struct pt_regs; diff --git a/include/asm-m68k/raw_io.h b/include/asm-m68k/raw_io.h index 5439bcaa57c6..811ccd25d4a6 100644 --- a/include/asm-m68k/raw_io.h +++ b/include/asm-m68k/raw_io.h @@ -336,6 +336,7 @@ static inline void raw_outsw_swapw(volatile u16 __iomem *port, const u16 *buf, : "d0", "a0", "a1", "d6"); } +#define __raw_writel raw_outl #endif /* __KERNEL__ */ diff --git a/include/asm-mips/atomic.h b/include/asm-mips/atomic.h index 654b97d3e13a..2c8b853376c9 100644 --- a/include/asm-mips/atomic.h +++ b/include/asm-mips/atomic.h @@ -250,7 +250,10 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v) " subu %0, %1, %3 \n" " bltz %0, 1f \n" " sc %0, %2 \n" + " .set noreorder \n" " beqzl %0, 1b \n" + " subu %0, %1, %3 \n" + " .set reorder \n" " sync \n" "1: \n" " .set mips0 \n" @@ -266,7 +269,10 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v) " subu %0, %1, %3 \n" " bltz %0, 1f \n" " sc %0, %2 \n" + " .set noreorder \n" " beqz %0, 1b \n" + " subu %0, %1, %3 \n" + " .set reorder \n" " sync \n" "1: \n" " .set mips0 \n" @@ -598,7 +604,10 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v) " dsubu %0, %1, %3 \n" " bltz %0, 1f \n" " scd %0, %2 \n" + " .set noreorder \n" " beqzl %0, 1b \n" + " dsubu %0, %1, %3 \n" + " .set reorder \n" " sync \n" "1: \n" " .set mips0 \n" @@ -614,7 +623,10 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v) " dsubu %0, %1, %3 \n" " bltz %0, 1f \n" " scd %0, %2 \n" + " .set noreorder \n" " beqz %0, 1b \n" + " dsubu %0, %1, %3 \n" + " .set reorder \n" " sync \n" "1: \n" " .set mips0 \n" diff --git a/include/asm-mips/smp.h b/include/asm-mips/smp.h index 5618f1e12f40..75c6fe7c2126 100644 --- a/include/asm-mips/smp.h +++ b/include/asm-mips/smp.h @@ -58,7 +58,9 @@ static inline int num_booting_cpus(void) return cpus_weight(cpu_callout_map); } -/* These are defined by the board-specific code. */ +/* + * These are defined by the board-specific code. + */ /* * Cause the function described by call_data to be executed on the passed @@ -79,7 +81,12 @@ extern void prom_boot_secondary(int cpu, struct task_struct *idle); extern void prom_init_secondary(void); /* - * Detect available CPUs, populate phys_cpu_present_map before smp_init + * Populate cpu_possible_map before smp_init, called from setup_arch. + */ +extern void plat_smp_setup(void); + +/* + * Called after init_IRQ but before __cpu_up. */ extern void prom_prepare_cpus(unsigned int max_cpus); diff --git a/include/asm-mips/system.h b/include/asm-mips/system.h index e8e5d4143377..ddae9bae31af 100644 --- a/include/asm-mips/system.h +++ b/include/asm-mips/system.h @@ -322,7 +322,7 @@ static inline unsigned long __cmpxchg_u32(volatile int * m, unsigned long old, #endif "2: \n" " .set pop \n" - : "=&r" (retval), "=m" (*m) + : "=&r" (retval), "=R" (*m) : "R" (*m), "Jr" (old), "Jr" (new) : "memory"); } else if (cpu_has_llsc) { @@ -342,7 +342,7 @@ static inline unsigned long __cmpxchg_u32(volatile int * m, unsigned long old, #endif "2: \n" " .set pop \n" - : "=&r" (retval), "=m" (*m) + : "=&r" (retval), "=R" (*m) : "R" (*m), "Jr" (old), "Jr" (new) : "memory"); } else { @@ -379,7 +379,7 @@ static inline unsigned long __cmpxchg_u64(volatile int * m, unsigned long old, #endif "2: \n" " .set pop \n" - : "=&r" (retval), "=m" (*m) + : "=&r" (retval), "=R" (*m) : "R" (*m), "Jr" (old), "Jr" (new) : "memory"); } else if (cpu_has_llsc) { @@ -397,7 +397,7 @@ static inline unsigned long __cmpxchg_u64(volatile int * m, unsigned long old, #endif "2: \n" " .set pop \n" - : "=&r" (retval), "=m" (*m) + : "=&r" (retval), "=R" (*m) : "R" (*m), "Jr" (old), "Jr" (new) : "memory"); } else { diff --git a/include/asm-mips/uaccess.h b/include/asm-mips/uaccess.h index 7a553e9d44d3..b96f3e0f3933 100644 --- a/include/asm-mips/uaccess.h +++ b/include/asm-mips/uaccess.h @@ -233,7 +233,7 @@ do { \ #define __get_user_check(x,ptr,size) \ ({ \ long __gu_err = -EFAULT; \ - const void __user * __gu_ptr = (ptr); \ + const __typeof__(*(ptr)) __user * __gu_ptr = (ptr); \ \ if (likely(access_ok(VERIFY_READ, __gu_ptr, size))) \ __get_user_common((x), size, __gu_ptr); \ @@ -258,7 +258,7 @@ do { \ : "=r" (__gu_err), "=r" (__gu_tmp) \ : "0" (0), "o" (__m(addr)), "i" (-EFAULT)); \ \ - (val) = (__typeof__(val)) __gu_tmp; \ + (val) = (__typeof__(*(addr))) __gu_tmp; \ } /* @@ -284,7 +284,7 @@ do { \ " .previous \n" \ : "=r" (__gu_err), "=&r" (__gu_tmp) \ : "0" (0), "r" (addr), "i" (-EFAULT)); \ - (val) = __gu_tmp; \ + (val) = (__typeof__(*(addr))) __gu_tmp; \ } /* diff --git a/include/asm-mips/unistd.h b/include/asm-mips/unistd.h index 769305d20108..b5c78a4a0192 100644 --- a/include/asm-mips/unistd.h +++ b/include/asm-mips/unistd.h @@ -313,7 +313,7 @@ #define __NR_mknodat (__NR_Linux + 290) #define __NR_fchownat (__NR_Linux + 291) #define __NR_futimesat (__NR_Linux + 292) -#define __NR_newfstatat (__NR_Linux + 293) +#define __NR_fstatat (__NR_Linux + 293) #define __NR_unlinkat (__NR_Linux + 294) #define __NR_renameat (__NR_Linux + 295) #define __NR_linkat (__NR_Linux + 296) @@ -593,7 +593,7 @@ #define __NR_mknodat (__NR_Linux + 249) #define __NR_fchownat (__NR_Linux + 250) #define __NR_futimesat (__NR_Linux + 251) -#define __NR_newfstatat (__NR_Linux + 252) +#define __NR_fstatat (__NR_Linux + 252) #define __NR_unlinkat (__NR_Linux + 253) #define __NR_renameat (__NR_Linux + 254) #define __NR_linkat (__NR_Linux + 255) @@ -877,7 +877,7 @@ #define __NR_mknodat (__NR_Linux + 253) #define __NR_fchownat (__NR_Linux + 254) #define __NR_futimesat (__NR_Linux + 255) -#define __NR_newfstatat (__NR_Linux + 256) +#define __NR_fstatat (__NR_Linux + 256) #define __NR_unlinkat (__NR_Linux + 257) #define __NR_renameat (__NR_Linux + 258) #define __NR_linkat (__NR_Linux + 259) diff --git a/include/asm-powerpc/cputable.h b/include/asm-powerpc/cputable.h index 64210549f56b..90d005bb4d1c 100644 --- a/include/asm-powerpc/cputable.h +++ b/include/asm-powerpc/cputable.h @@ -159,9 +159,11 @@ extern void do_cpu_ftr_fixups(unsigned long offset); #endif /* We need to mark all pages as being coherent if we're SMP or we - * have a 74[45]x and an MPC107 host bridge. + * have a 74[45]x and an MPC107 host bridge. Also 83xx requires + * it for PCI "streaming/prefetch" to work properly. */ -#if defined(CONFIG_SMP) || defined(CONFIG_MPC10X_BRIDGE) +#if defined(CONFIG_SMP) || defined(CONFIG_MPC10X_BRIDGE) \ + || defined(CONFIG_PPC_83xx) #define CPU_FTR_COMMON CPU_FTR_NEED_COHERENT #else #define CPU_FTR_COMMON 0 @@ -277,7 +279,8 @@ enum { CPU_FTRS_G2_LE = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS, CPU_FTRS_E300 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | - CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS, + CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS | + CPU_FTR_COMMON, CPU_FTRS_CLASSIC32 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE, CPU_FTRS_POWER3_32 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | diff --git a/include/asm-powerpc/mmu.h b/include/asm-powerpc/mmu.h index d096d9e76ad7..b0b9a3f8cdc2 100644 --- a/include/asm-powerpc/mmu.h +++ b/include/asm-powerpc/mmu.h @@ -112,6 +112,7 @@ typedef struct { } hpte_t; extern hpte_t *htab_address; +extern unsigned long htab_size_bytes; extern unsigned long htab_hash_mask; /* diff --git a/include/asm-powerpc/pgalloc.h b/include/asm-powerpc/pgalloc.h index 9f5b052784a5..a00ee002cd11 100644 --- a/include/asm-powerpc/pgalloc.h +++ b/include/asm-powerpc/pgalloc.h @@ -146,7 +146,7 @@ extern void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf); pgtable_free_tlb(tlb, pgtable_free_cache(pmd, \ PMD_CACHE_NUM, PMD_TABLE_SIZE-1)) #ifndef CONFIG_PPC_64K_PAGES -#define __pud_free_tlb(tlb, pmd) \ +#define __pud_free_tlb(tlb, pud) \ pgtable_free_tlb(tlb, pgtable_free_cache(pud, \ PUD_CACHE_NUM, PUD_TABLE_SIZE-1)) #endif /* CONFIG_PPC_64K_PAGES */ diff --git a/include/asm-powerpc/reg.h b/include/asm-powerpc/reg.h index 12ecc9b9f285..72bfe3af0460 100644 --- a/include/asm-powerpc/reg.h +++ b/include/asm-powerpc/reg.h @@ -615,27 +615,9 @@ #define proc_trap() asm volatile("trap") #ifdef CONFIG_PPC64 -static inline void ppc64_runlatch_on(void) -{ - unsigned long ctrl; - - if (cpu_has_feature(CPU_FTR_CTRL)) { - ctrl = mfspr(SPRN_CTRLF); - ctrl |= CTRL_RUNLATCH; - mtspr(SPRN_CTRLT, ctrl); - } -} - -static inline void ppc64_runlatch_off(void) -{ - unsigned long ctrl; - - if (cpu_has_feature(CPU_FTR_CTRL)) { - ctrl = mfspr(SPRN_CTRLF); - ctrl &= ~CTRL_RUNLATCH; - mtspr(SPRN_CTRLT, ctrl); - } -} + +extern void ppc64_runlatch_on(void); +extern void ppc64_runlatch_off(void); extern unsigned long scom970_read(unsigned int address); extern void scom970_write(unsigned int address, unsigned long value); @@ -645,15 +627,6 @@ extern void scom970_write(unsigned int address, unsigned long value); #define __get_SP() ({unsigned long sp; \ asm volatile("mr %0,1": "=r" (sp)); sp;}) -#else /* __ASSEMBLY__ */ - -#define RUNLATCH_ON(REG) \ -BEGIN_FTR_SECTION \ - mfspr (REG),SPRN_CTRLF; \ - ori (REG),(REG),CTRL_RUNLATCH; \ - mtspr SPRN_CTRLT,(REG); \ -END_FTR_SECTION_IFSET(CPU_FTR_CTRL) - #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_REG_H */ diff --git a/include/asm-powerpc/thread_info.h b/include/asm-powerpc/thread_info.h index c044ec16a879..237fc2b72974 100644 --- a/include/asm-powerpc/thread_info.h +++ b/include/asm-powerpc/thread_info.h @@ -113,7 +113,7 @@ static inline struct thread_info *current_thread_info(void) #define TIF_POLLING_NRFLAG 4 /* true if poll_idle() is polling TIF_NEED_RESCHED */ #define TIF_32BIT 5 /* 32 bit binary */ -/* #define SPARE 6 */ +#define TIF_RUNLATCH 6 /* Is the runlatch enabled? */ #define TIF_ABI_PENDING 7 /* 32/64 bit switch needed */ #define TIF_SYSCALL_AUDIT 8 /* syscall auditing active */ #define TIF_SINGLESTEP 9 /* singlestepping active */ @@ -131,7 +131,7 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_32BIT (1<<TIF_32BIT) -/* #define _SPARE (1<<SPARE) */ +#define _TIF_RUNLATCH (1<<TIF_RUNLATCH) #define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING) #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) #define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) diff --git a/include/asm-ppc/machdep.h b/include/asm-ppc/machdep.h index 39200def8d11..a3e8a45e45a9 100644 --- a/include/asm-ppc/machdep.h +++ b/include/asm-ppc/machdep.h @@ -154,19 +154,6 @@ extern char cmd_line[COMMAND_LINE_SIZE]; extern void setup_pci_ptrs(void); -/* - * Power macintoshes have either a CUDA or a PMU controlling - * system reset, power, NVRAM, RTC. - */ -typedef enum sys_ctrler_kind { - SYS_CTRLER_UNKNOWN = 0, - SYS_CTRLER_CUDA = 1, - SYS_CTRLER_PMU = 2, - SYS_CTRLER_SMU = 3, -} sys_ctrler_t; - -extern sys_ctrler_t sys_ctrler; - #ifdef CONFIG_SMP struct smp_ops_t { void (*message_pass)(int target, int msg); diff --git a/include/asm-s390/dasd.h b/include/asm-s390/dasd.h index c744ff33b1df..1630c26e8f45 100644 --- a/include/asm-s390/dasd.h +++ b/include/asm-s390/dasd.h @@ -204,8 +204,7 @@ typedef struct attrib_data_t { * * Here ist how the ioctl-nr should be used: * 0 - 31 DASD driver itself - * 32 - 229 still open - * 230 - 239 DASD extended error reporting + * 32 - 239 still open * 240 - 255 reserved for EMC *******************************************************************************/ @@ -237,22 +236,12 @@ typedef struct attrib_data_t { #define BIODASDPSRD _IOR(DASD_IOCTL_LETTER,4,dasd_rssd_perf_stats_t) /* Get Attributes (cache operations) */ #define BIODASDGATTR _IOR(DASD_IOCTL_LETTER,5,attrib_data_t) -/* retrieve extended error-reporting value */ -#define BIODASDEERGET _IOR(DASD_IOCTL_LETTER,6,int) /* #define BIODASDFORMAT _IOW(IOCTL_LETTER,0,format_data_t) , deprecated */ #define BIODASDFMT _IOW(DASD_IOCTL_LETTER,1,format_data_t) /* Set Attributes (cache operations) */ #define BIODASDSATTR _IOW(DASD_IOCTL_LETTER,2,attrib_data_t) -/* retrieve extended error-reporting value */ -#define BIODASDEERSET _IOW(DASD_IOCTL_LETTER,3,int) - - -/* remove all records from the eer buffer */ -#define DASD_EER_PURGE _IO(DASD_IOCTL_LETTER,230) -/* set the number of pages that are used for the internal eer buffer */ -#define DASD_EER_SETBUFSIZE _IOW(DASD_IOCTL_LETTER,230,int) #endif /* DASD_H */ diff --git a/include/asm-s390/smp.h b/include/asm-s390/smp.h index 9c6e9c300eb9..444dae5912e6 100644 --- a/include/asm-s390/smp.h +++ b/include/asm-s390/smp.h @@ -31,6 +31,7 @@ typedef struct __u16 cpu; } sigp_info; +extern void smp_setup_cpu_possible_map(void); extern int smp_call_function_on(void (*func) (void *info), void *info, int nonatomic, int wait, int cpu); #define NO_PROC_ID 0xFF /* No processor magic marker */ @@ -104,6 +105,7 @@ smp_call_function_on(void (*func) (void *info), void *info, #define smp_cpu_not_running(cpu) 1 #define smp_get_cpu(cpu) ({ 0; }) #define smp_put_cpu(cpu) ({ 0; }) +#define smp_setup_cpu_possible_map() #endif #endif diff --git a/include/asm-sparc64/futex.h b/include/asm-sparc64/futex.h index 6a332a9f099c..0caf60147e97 100644 --- a/include/asm-sparc64/futex.h +++ b/include/asm-sparc64/futex.h @@ -1,6 +1,86 @@ -#ifndef _ASM_FUTEX_H -#define _ASM_FUTEX_H +#ifndef _SPARC64_FUTEX_H +#define _SPARC64_FUTEX_H -#include <asm-generic/futex.h> +#include <linux/futex.h> +#include <asm/errno.h> +#include <asm/system.h> +#include <asm/uaccess.h> -#endif +#define __futex_cas_op(insn, ret, oldval, uaddr, oparg) \ + __asm__ __volatile__( \ + "\n1: lduwa [%3] %%asi, %2\n" \ + " " insn "\n" \ + "2: casa [%3] %%asi, %2, %1\n" \ + " cmp %2, %1\n" \ + " bne,pn %%icc, 1b\n" \ + " mov 0, %0\n" \ + "3:\n" \ + " .section .fixup,#alloc,#execinstr\n" \ + " .align 4\n" \ + "4: ba 3b\n" \ + " mov %5, %0\n" \ + " .previous\n" \ + " .section __ex_table,#alloc\n" \ + " .align 4\n" \ + " .word 1b, 4b\n" \ + " .word 2b, 4b\n" \ + " .previous\n" \ + : "=&r" (ret), "=&r" (oldval), "=&r" (tem) \ + : "r" (uaddr), "r" (oparg), "i" (-EFAULT) \ + : "memory") + +static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) +{ + int op = (encoded_op >> 28) & 7; + int cmp = (encoded_op >> 24) & 15; + int oparg = (encoded_op << 8) >> 20; + int cmparg = (encoded_op << 20) >> 20; + int oldval = 0, ret, tem; + + if (unlikely(!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))) + return -EFAULT; + if (unlikely((((unsigned long) uaddr) & 0x3UL))) + return -EINVAL; + + if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) + oparg = 1 << oparg; + + inc_preempt_count(); + + switch (op) { + case FUTEX_OP_SET: + __futex_cas_op("mov\t%4, %1", ret, oldval, uaddr, oparg); + break; + case FUTEX_OP_ADD: + __futex_cas_op("add\t%2, %4, %1", ret, oldval, uaddr, oparg); + break; + case FUTEX_OP_OR: + __futex_cas_op("or\t%2, %4, %1", ret, oldval, uaddr, oparg); + break; + case FUTEX_OP_ANDN: + __futex_cas_op("and\t%2, %4, %1", ret, oldval, uaddr, oparg); + break; + case FUTEX_OP_XOR: + __futex_cas_op("xor\t%2, %4, %1", ret, oldval, uaddr, oparg); + break; + default: + ret = -ENOSYS; + } + + dec_preempt_count(); + + if (!ret) { + switch (cmp) { + case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break; + case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break; + case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break; + case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break; + case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break; + case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break; + default: ret = -ENOSYS; + } + } + return ret; +} + +#endif /* !(_SPARC64_FUTEX_H) */ diff --git a/include/asm-sparc64/smp.h b/include/asm-sparc64/smp.h index 110a2de89123..473edb2603ec 100644 --- a/include/asm-sparc64/smp.h +++ b/include/asm-sparc64/smp.h @@ -66,8 +66,14 @@ static __inline__ int hard_smp_processor_id(void) #define raw_smp_processor_id() (current_thread_info()->cpu) +extern void smp_setup_cpu_possible_map(void); + #endif /* !(__ASSEMBLY__) */ +#else + +#define smp_setup_cpu_possible_map() do { } while (0) + #endif /* !(CONFIG_SMP) */ #define NO_PROC_ID 0xFF diff --git a/include/asm-x86_64/acpi.h b/include/asm-x86_64/acpi.h index aa1c7b2e438c..e2b9923189a0 100644 --- a/include/asm-x86_64/acpi.h +++ b/include/asm-x86_64/acpi.h @@ -164,6 +164,20 @@ extern u8 x86_acpiid_to_apicid[]; extern int acpi_skip_timer_override; +extern int unsync_tsc_on_multicluster; + +static inline int acpi_madt_oem_check(char *oem, char *productid) +{ + /* Copied from i386. Probably has too many entries. */ + if (!strncmp(oem, "IBM ENSW", 8) && + (!strncmp(productid, "VIGIL SMP", 9) + || !strncmp(productid, "EXA", 3) + || !strncmp(productid, "RUTHLESS SMP", 12))) { + unsync_tsc_on_multicluster = 1; + } + return 0; +} + #endif /*__KERNEL__*/ #endif /*_ASM_ACPI_H*/ diff --git a/include/asm-x86_64/pci.h b/include/asm-x86_64/pci.h index fd03e15d7ea6..8a05af264d18 100644 --- a/include/asm-x86_64/pci.h +++ b/include/asm-x86_64/pci.h @@ -19,8 +19,6 @@ extern unsigned int pcibios_assign_all_busses(void); #endif #define pcibios_scan_all_fns(a, b) 0 -extern int no_iommu, force_iommu; - extern unsigned long pci_mem_start; #define PCIBIOS_MIN_IO 0x1000 #define PCIBIOS_MIN_MEM (pci_mem_start) diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h index 8fbf4dd72115..715fd94cf577 100644 --- a/include/asm-x86_64/pgtable.h +++ b/include/asm-x86_64/pgtable.h @@ -131,7 +131,7 @@ static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm, unsigned long #define PGDIR_SIZE (1UL << PGDIR_SHIFT) #define PGDIR_MASK (~(PGDIR_SIZE-1)) -#define USER_PTRS_PER_PGD (TASK_SIZE/PGDIR_SIZE) +#define USER_PTRS_PER_PGD ((TASK_SIZE-1)/PGDIR_SIZE+1) #define FIRST_USER_ADDRESS 0 #ifndef __ASSEMBLY__ diff --git a/include/asm-x86_64/proto.h b/include/asm-x86_64/proto.h index c99832e7bf3f..3ba8fd45fcb3 100644 --- a/include/asm-x86_64/proto.h +++ b/include/asm-x86_64/proto.h @@ -39,7 +39,6 @@ extern void config_acpi_tables(void); extern void ia32_syscall(void); extern void iommu_hole_init(void); -extern void time_init_gtod(void); extern int pmtimer_mark_offset(void); extern void pmtimer_resume(void); extern void pmtimer_wait(unsigned); @@ -133,6 +132,8 @@ extern int fix_aperture; extern int force_iommu; extern int reboot_force; +extern int notsc_setup(char *); +extern int setup_additional_cpus(char *); extern void smp_local_timer_interrupt(struct pt_regs * regs); diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 84d3d9f034ce..d3bc25e6d27d 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -427,7 +427,8 @@ extern int acpi_mp_config; extern struct acpi_table_mcfg_config *pci_mmcfg_config; extern int pci_mmcfg_config_num; -extern int sbf_port ; +extern int sbf_port; +extern unsigned long acpi_video_flags; #else /* !CONFIG_ACPI */ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index b49affa0ac5a..3b507bf05d09 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -326,12 +326,6 @@ struct sysinfo { /* Force a compilation error if condition is true */ #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) -#ifdef CONFIG_SYSCTL -extern int randomize_va_space; -#else -#define randomize_va_space 1 -#endif - /* Trap pasters of __FUNCTION__ at compile-time */ #define __FUNCTION__ (__func__) diff --git a/include/linux/kobject.h b/include/linux/kobject.h index 2a8d8da70961..c374b5fa8d3b 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -41,8 +41,10 @@ enum kobject_action { KOBJ_ADD = (__force kobject_action_t) 0x01, /* exclusive to core */ KOBJ_REMOVE = (__force kobject_action_t) 0x02, /* exclusive to core */ KOBJ_CHANGE = (__force kobject_action_t) 0x03, /* device state change */ - KOBJ_OFFLINE = (__force kobject_action_t) 0x04, /* device offline */ - KOBJ_ONLINE = (__force kobject_action_t) 0x05, /* device online */ + KOBJ_MOUNT = (__force kobject_action_t) 0x04, /* mount event for block devices (broken) */ + KOBJ_UMOUNT = (__force kobject_action_t) 0x05, /* umount event for block devices (broken) */ + KOBJ_OFFLINE = (__force kobject_action_t) 0x06, /* device offline */ + KOBJ_ONLINE = (__force kobject_action_t) 0x07, /* device online */ }; struct kobject { diff --git a/include/linux/libata.h b/include/linux/libata.h index 9e5db2949c58..c91be5e64ede 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -557,17 +557,29 @@ ata_sg_is_last(struct scatterlist *sg, struct ata_queued_cmd *qc) } static inline struct scatterlist * +ata_qc_first_sg(struct ata_queued_cmd *qc) +{ + if (qc->n_elem) + return qc->__sg; + if (qc->pad_len) + return &qc->pad_sgent; + return NULL; +} + +static inline struct scatterlist * ata_qc_next_sg(struct scatterlist *sg, struct ata_queued_cmd *qc) { if (sg == &qc->pad_sgent) return NULL; if (++sg - qc->__sg < qc->n_elem) return sg; - return qc->pad_len ? &qc->pad_sgent : NULL; + if (qc->pad_len) + return &qc->pad_sgent; + return NULL; } #define ata_for_each_sg(sg, qc) \ - for (sg = qc->__sg; sg; sg = ata_qc_next_sg(sg, qc)) + for (sg = ata_qc_first_sg(qc); sg; sg = ata_qc_next_sg(sg, qc)) static inline unsigned int ata_tag_valid(unsigned int tag) { diff --git a/include/linux/mm.h b/include/linux/mm.h index 75e9f0724997..498ff8778fb6 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1051,5 +1051,11 @@ int shrink_slab(unsigned long scanned, gfp_t gfp_mask, void drop_pagecache(void); void drop_slab(void); +#ifndef CONFIG_MMU +#define randomize_va_space 0 +#else +extern int randomize_va_space; +#endif + #endif /* __KERNEL__ */ #endif /* _LINUX_MM_H */ diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h index f38872abc126..bdc556d88498 100644 --- a/include/linux/mmc/mmc.h +++ b/include/linux/mmc/mmc.h @@ -49,7 +49,7 @@ struct mmc_command { /* * These are the command types. */ -#define mmc_cmd_type(cmd) ((cmd)->flags & MMC_CMD_TYPE) +#define mmc_cmd_type(cmd) ((cmd)->flags & MMC_CMD_MASK) unsigned int retries; /* max number of retries */ unsigned int error; /* command error */ diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index 547d649b274e..b4dc6e2e10c9 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -398,7 +398,7 @@ extern struct inode_operations nfs_symlink_inode_operations; extern int nfs_register_sysctl(void); extern void nfs_unregister_sysctl(void); #else -#define nfs_register_sysctl() do { } while(0) +#define nfs_register_sysctl() 0 #define nfs_unregister_sysctl() do { } while(0) #endif diff --git a/include/linux/serial_reg.h b/include/linux/serial_reg.h index 6a2bb955844b..3c8a6aa77415 100644 --- a/include/linux/serial_reg.h +++ b/include/linux/serial_reg.h @@ -247,10 +247,10 @@ #define UART_CTR 0xFF /* - * The 16C950 Additional Control Reigster + * The 16C950 Additional Control Register */ #define UART_ACR_RXDIS 0x01 /* Receiver disable */ -#define UART_ACR_TXDIS 0x02 /* Receiver disable */ +#define UART_ACR_TXDIS 0x02 /* Transmitter disable */ #define UART_ACR_DSRFC 0x04 /* DSR Flow Control */ #define UART_ACR_TLENB 0x20 /* 950 trigger levels enable */ #define UART_ACR_ICRRD 0x40 /* ICR Read enable */ diff --git a/include/linux/swap.h b/include/linux/swap.h index f3e17d5963c3..d572b19afb7d 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -147,7 +147,7 @@ struct swap_list_t { #define vm_swap_full() (nr_swap_pages*2 < total_swap_pages) /* linux/mm/oom_kill.c */ -extern void out_of_memory(gfp_t gfp_mask, int order); +extern void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask, int order); /* linux/mm/memory.c */ extern void swapin_readahead(swp_entry_t, unsigned long, struct vm_area_struct *); diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index d73501ba7e44..b9ea44ac0ddb 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -543,7 +543,7 @@ asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag); asmlinkage long sys_symlinkat(const char __user * oldname, int newdfd, const char __user * newname); asmlinkage long sys_linkat(int olddfd, const char __user *oldname, - int newdfd, const char __user *newname); + int newdfd, const char __user *newname, int flags); asmlinkage long sys_renameat(int olddfd, const char __user * oldname, int newdfd, const char __user * newname); asmlinkage long sys_futimesat(int dfd, char __user *filename, diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h index 32a4139c4ad8..0e92bf7ec28e 100644 --- a/include/linux/sysctl.h +++ b/include/linux/sysctl.h @@ -146,6 +146,7 @@ enum KERN_RANDOMIZE=68, /* int: randomize virtual address space */ KERN_SETUID_DUMPABLE=69, /* int: behaviour of dumps for setuid core */ KERN_SPIN_RETRY=70, /* int: number of spinlock retries */ + KERN_ACPI_VIDEO_FLAGS=71, /* int: flags for setting up video after ACPI sleep */ }; diff --git a/include/linux/timex.h b/include/linux/timex.h index 04a4a8cb4ed3..b7ca1204e42a 100644 --- a/include/linux/timex.h +++ b/include/linux/timex.h @@ -345,6 +345,9 @@ time_interpolator_reset(void) #endif /* !CONFIG_TIME_INTERPOLATION */ +/* Returns how long ticks are at present, in ns / 2^(SHIFT_SCALE-10). */ +extern u64 current_tick_length(void); + #endif /* KERNEL */ #endif /* LINUX_TIMEX_H */ diff --git a/include/net/xfrm.h b/include/net/xfrm.h index d6111a2f0a23..004e645f3e18 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -403,6 +403,11 @@ unsigned xfrm_spi_hash(xfrm_address_t *addr, u32 spi, u8 proto, unsigned short f extern void __xfrm_state_destroy(struct xfrm_state *); +static inline void __xfrm_state_put(struct xfrm_state *x) +{ + atomic_dec(&x->refcnt); +} + static inline void xfrm_state_put(struct xfrm_state *x) { if (atomic_dec_and_test(&x->refcnt)) diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 685c25175d96..d7e7e637b92a 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -841,7 +841,7 @@ static void audit_log_exit(struct audit_context *context, gfp_t gfp_mask) for (aux = context->aux; aux; aux = aux->next) { - ab = audit_log_start(context, GFP_KERNEL, aux->type); + ab = audit_log_start(context, gfp_mask, aux->type); if (!ab) continue; /* audit_panic has been called */ @@ -878,14 +878,14 @@ static void audit_log_exit(struct audit_context *context, gfp_t gfp_mask) } if (context->pwd && context->pwdmnt) { - ab = audit_log_start(context, GFP_KERNEL, AUDIT_CWD); + ab = audit_log_start(context, gfp_mask, AUDIT_CWD); if (ab) { audit_log_d_path(ab, "cwd=", context->pwd, context->pwdmnt); audit_log_end(ab); } } for (i = 0; i < context->name_count; i++) { - ab = audit_log_start(context, GFP_KERNEL, AUDIT_PATH); + ab = audit_log_start(context, gfp_mask, AUDIT_PATH); if (!ab) continue; /* audit_panic has been called */ diff --git a/kernel/exit.c b/kernel/exit.c index 93cee3671332..531aadca5530 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -360,6 +360,9 @@ void daemonize(const char *name, ...) fs = init_task.fs; current->fs = fs; atomic_inc(&fs->count); + exit_namespace(current); + current->namespace = init_task.namespace; + get_namespace(current->namespace); exit_files(current); current->files = init_task.files; atomic_inc(¤t->files->count); diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c index 4e90905f0e87..2d9d08f72f76 100644 --- a/kernel/power/swsusp.c +++ b/kernel/power/swsusp.c @@ -153,13 +153,11 @@ static int swsusp_swap_check(void) /* This is called before saving image */ { int i; - if (!swsusp_resume_device) - return -ENODEV; spin_lock(&swap_lock); for (i = 0; i < MAX_SWAPFILES; i++) { if (!(swap_info[i].flags & SWP_WRITEOK)) continue; - if (is_resume_device(swap_info + i)) { + if (!swsusp_resume_device || is_resume_device(swap_info + i)) { spin_unlock(&swap_lock); root_swap = i; return 0; diff --git a/kernel/sched.c b/kernel/sched.c index 66d957227de9..12d291bf3379 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -5058,7 +5058,18 @@ static void init_sched_build_groups(struct sched_group groups[], cpumask_t span, #define MAX_DOMAIN_DISTANCE 32 static unsigned long long migration_cost[MAX_DOMAIN_DISTANCE] = - { [ 0 ... MAX_DOMAIN_DISTANCE-1 ] = -1LL }; + { [ 0 ... MAX_DOMAIN_DISTANCE-1 ] = +/* + * Architectures may override the migration cost and thus avoid + * boot-time calibration. Unit is nanoseconds. Mostly useful for + * virtualized hardware: + */ +#ifdef CONFIG_DEFAULT_MIGRATION_COST + CONFIG_DEFAULT_MIGRATION_COST +#else + -1LL +#endif +}; /* * Allow override of migration cost - in units of microseconds. diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c index 17313b99e53d..1067090db6b1 100644 --- a/kernel/sys_ni.c +++ b/kernel/sys_ni.c @@ -104,6 +104,8 @@ cond_syscall(sys_setreuid16); cond_syscall(sys_setuid16); cond_syscall(sys_vm86old); cond_syscall(sys_vm86); +cond_syscall(compat_sys_ipc); +cond_syscall(compat_sys_sysctl); /* arch-specific weak syscall entries */ cond_syscall(sys_pciconfig_read); diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 71dd6f62efec..c05a2b7125e1 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -44,14 +44,12 @@ #include <linux/limits.h> #include <linux/dcache.h> #include <linux/syscalls.h> +#include <linux/nfs_fs.h> +#include <linux/acpi.h> #include <asm/uaccess.h> #include <asm/processor.h> -#ifdef CONFIG_ROOT_NFS -#include <linux/nfs_fs.h> -#endif - #if defined(CONFIG_SYSCTL) /* External variables not in a header file. */ @@ -126,8 +124,6 @@ extern int sysctl_hz_timer; extern int acct_parm[]; #endif -int randomize_va_space = 1; - static int parse_table(int __user *, int, void __user *, size_t __user *, void __user *, size_t, ctl_table *, void **); static int proc_doutsstring(ctl_table *table, int write, struct file *filp, @@ -640,6 +636,7 @@ static ctl_table kern_table[] = { .proc_handler = &proc_dointvec, }, #endif +#if defined(CONFIG_MMU) { .ctl_name = KERN_RANDOMIZE, .procname = "randomize_va_space", @@ -648,6 +645,7 @@ static ctl_table kern_table[] = { .mode = 0644, .proc_handler = &proc_dointvec, }, +#endif #if defined(CONFIG_S390) && defined(CONFIG_SMP) { .ctl_name = KERN_SPIN_RETRY, @@ -658,6 +656,16 @@ static ctl_table kern_table[] = { .proc_handler = &proc_dointvec, }, #endif +#ifdef CONFIG_ACPI_SLEEP + { + .ctl_name = KERN_ACPI_VIDEO_FLAGS, + .procname = "acpi_video_flags", + .data = &acpi_video_flags, + .maxlen = sizeof (unsigned long), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, +#endif { .ctl_name = 0 } }; diff --git a/kernel/timer.c b/kernel/timer.c index b9dad3994676..fe3a9a9f8328 100644 --- a/kernel/timer.c +++ b/kernel/timer.c @@ -717,12 +717,16 @@ static void second_overflow(void) #endif } -/* in the NTP reference this is called "hardclock()" */ -static void update_wall_time_one_tick(void) +/* + * Returns how many microseconds we need to add to xtime this tick + * in doing an adjustment requested with adjtime. + */ +static long adjtime_adjustment(void) { - long time_adjust_step, delta_nsec; + long time_adjust_step; - if ((time_adjust_step = time_adjust) != 0 ) { + time_adjust_step = time_adjust; + if (time_adjust_step) { /* * We are doing an adjtime thing. Prepare time_adjust_step to * be within bounds. Note that a positive time_adjust means we @@ -733,10 +737,19 @@ static void update_wall_time_one_tick(void) */ time_adjust_step = min(time_adjust_step, (long)tickadj); time_adjust_step = max(time_adjust_step, (long)-tickadj); + } + return time_adjust_step; +} +/* in the NTP reference this is called "hardclock()" */ +static void update_wall_time_one_tick(void) +{ + long time_adjust_step, delta_nsec; + + time_adjust_step = adjtime_adjustment(); + if (time_adjust_step) /* Reduce by this step the amount of time left */ time_adjust -= time_adjust_step; - } delta_nsec = tick_nsec + time_adjust_step * 1000; /* * Advance the phase, once it gets to one microsecond, then @@ -759,6 +772,22 @@ static void update_wall_time_one_tick(void) } /* + * Return how long ticks are at the moment, that is, how much time + * update_wall_time_one_tick will add to xtime next time we call it + * (assuming no calls to do_adjtimex in the meantime). + * The return value is in fixed-point nanoseconds with SHIFT_SCALE-10 + * bits to the right of the binary point. + * This function has no side-effects. + */ +u64 current_tick_length(void) +{ + long delta_nsec; + + delta_nsec = tick_nsec + adjtime_adjustment() * 1000; + return ((u64) delta_nsec << (SHIFT_SCALE - 10)) + time_adj; +} + +/* * Using a loop looks inefficient, but "ticks" is * usually just one (we shouldn't be losing ticks, * we're doing this this way mainly for interrupt diff --git a/lib/iomap_copy.c b/lib/iomap_copy.c index a6b1e271d53c..351045f4f63c 100644 --- a/lib/iomap_copy.c +++ b/lib/iomap_copy.c @@ -15,8 +15,8 @@ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */ -#include <linux/io.h> #include <linux/module.h> +#include <linux/io.h> /** * __iowrite32_copy - copy data to MMIO space, in 32-bit units diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c index 1b1985c136ec..086a0c6e888e 100644 --- a/lib/kobject_uevent.c +++ b/lib/kobject_uevent.c @@ -38,6 +38,10 @@ static char *action_to_string(enum kobject_action action) return "remove"; case KOBJ_CHANGE: return "change"; + case KOBJ_MOUNT: + return "mount"; + case KOBJ_UMOUNT: + return "umount"; case KOBJ_OFFLINE: return "offline"; case KOBJ_ONLINE: diff --git a/mm/memory.c b/mm/memory.c index 2bee1f21aa8a..9abc6008544b 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -82,6 +82,16 @@ EXPORT_SYMBOL(num_physpages); EXPORT_SYMBOL(high_memory); EXPORT_SYMBOL(vmalloc_earlyreserve); +int randomize_va_space __read_mostly = 1; + +static int __init disable_randmaps(char *s) +{ + randomize_va_space = 0; + return 0; +} +__setup("norandmaps", disable_randmaps); + + /* * If a p?d_bad entry is found while walking page tables, report * the error, before resetting entry to p?d_none. Usually (but diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 3bd7fb7e4b75..67af4cea1e23 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -132,19 +132,29 @@ static int mpol_check_policy(int mode, nodemask_t *nodes) } return nodes_subset(*nodes, node_online_map) ? 0 : -EINVAL; } + /* Generate a custom zonelist for the BIND policy. */ static struct zonelist *bind_zonelist(nodemask_t *nodes) { struct zonelist *zl; - int num, max, nd; + int num, max, nd, k; max = 1 + MAX_NR_ZONES * nodes_weight(*nodes); - zl = kmalloc(sizeof(void *) * max, GFP_KERNEL); + zl = kmalloc(sizeof(struct zone *) * max, GFP_KERNEL); if (!zl) return NULL; num = 0; - for_each_node_mask(nd, *nodes) - zl->zones[num++] = &NODE_DATA(nd)->node_zones[policy_zone]; + /* First put in the highest zones from all nodes, then all the next + lower zones etc. Avoid empty zones because the memory allocator + doesn't like them. If you implement node hot removal you + have to fix that. */ + for (k = policy_zone; k >= 0; k--) { + for_each_node_mask(nd, *nodes) { + struct zone *z = &NODE_DATA(nd)->node_zones[k]; + if (z->present_pages > 0) + zl->zones[num++] = z; + } + } zl->zones[num] = NULL; return zl; } @@ -542,7 +552,7 @@ static void migrate_page_add(struct page *page, struct list_head *pagelist, */ if ((flags & MPOL_MF_MOVE_ALL) || page_mapcount(page) == 1) { if (isolate_lru_page(page)) - list_add(&page->lru, pagelist); + list_add_tail(&page->lru, pagelist); } } @@ -559,6 +569,7 @@ static int migrate_pages_to(struct list_head *pagelist, LIST_HEAD(moved); LIST_HEAD(failed); int err = 0; + unsigned long offset = 0; int nr_pages; struct page *page; struct list_head *p; @@ -566,8 +577,21 @@ static int migrate_pages_to(struct list_head *pagelist, redo: nr_pages = 0; list_for_each(p, pagelist) { - if (vma) - page = alloc_page_vma(GFP_HIGHUSER, vma, vma->vm_start); + if (vma) { + /* + * The address passed to alloc_page_vma is used to + * generate the proper interleave behavior. We fake + * the address here by an increasing offset in order + * to get the proper distribution of pages. + * + * No decision has been made as to which page + * a certain old page is moved to so we cannot + * specify the correct address. + */ + page = alloc_page_vma(GFP_HIGHUSER, vma, + offset + vma->vm_start); + offset += PAGE_SIZE; + } else page = alloc_pages_node(dest, GFP_HIGHUSER, 0); @@ -575,9 +599,9 @@ redo: err = -ENOMEM; goto out; } - list_add(&page->lru, &newlist); + list_add_tail(&page->lru, &newlist); nr_pages++; - if (nr_pages > MIGRATE_CHUNK_SIZE); + if (nr_pages > MIGRATE_CHUNK_SIZE) break; } err = migrate_pages(pagelist, &newlist, &moved, &failed); @@ -798,6 +822,8 @@ static int get_nodes(nodemask_t *nodes, const unsigned long __user *nmask, nodes_clear(*nodes); if (maxnode == 0 || !nmask) return 0; + if (maxnode > PAGE_SIZE*BITS_PER_BYTE) + return -EINVAL; nlongs = BITS_TO_LONGS(maxnode); if ((maxnode % BITS_PER_LONG) == 0) diff --git a/mm/nommu.c b/mm/nommu.c index c10262d68232..99d21020ec9d 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -57,6 +57,8 @@ EXPORT_SYMBOL(vmalloc); EXPORT_SYMBOL(vfree); EXPORT_SYMBOL(vmalloc_to_page); EXPORT_SYMBOL(vmalloc_32); +EXPORT_SYMBOL(vmap); +EXPORT_SYMBOL(vunmap); /* * Handle all mappings that got truncated by a "truncate()" diff --git a/mm/oom_kill.c b/mm/oom_kill.c index b05ab8f2a562..8123fad5a485 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -58,15 +58,17 @@ unsigned long badness(struct task_struct *p, unsigned long uptime) /* * Processes which fork a lot of child processes are likely - * a good choice. We add the vmsize of the children if they + * a good choice. We add half the vmsize of the children if they * have an own mm. This prevents forking servers to flood the - * machine with an endless amount of children + * machine with an endless amount of children. In case a single + * child is eating the vast majority of memory, adding only half + * to the parents will make the child our kill candidate of choice. */ list_for_each(tsk, &p->children) { struct task_struct *chld; chld = list_entry(tsk, struct task_struct, sibling); if (chld->mm != p->mm && chld->mm) - points += chld->mm->total_vm; + points += chld->mm->total_vm/2 + 1; } /* @@ -131,17 +133,47 @@ unsigned long badness(struct task_struct *p, unsigned long uptime) } /* + * Types of limitations to the nodes from which allocations may occur + */ +#define CONSTRAINT_NONE 1 +#define CONSTRAINT_MEMORY_POLICY 2 +#define CONSTRAINT_CPUSET 3 + +/* + * Determine the type of allocation constraint. + */ +static inline int constrained_alloc(struct zonelist *zonelist, gfp_t gfp_mask) +{ +#ifdef CONFIG_NUMA + struct zone **z; + nodemask_t nodes = node_online_map; + + for (z = zonelist->zones; *z; z++) + if (cpuset_zone_allowed(*z, gfp_mask)) + node_clear((*z)->zone_pgdat->node_id, + nodes); + else + return CONSTRAINT_CPUSET; + + if (!nodes_empty(nodes)) + return CONSTRAINT_MEMORY_POLICY; +#endif + + return CONSTRAINT_NONE; +} + +/* * Simple selection loop. We chose the process with the highest * number of 'points'. We expect the caller will lock the tasklist. * * (not docbooked, we don't want this one cluttering up the manual) */ -static struct task_struct * select_bad_process(void) +static struct task_struct *select_bad_process(unsigned long *ppoints) { - unsigned long maxpoints = 0; struct task_struct *g, *p; struct task_struct *chosen = NULL; struct timespec uptime; + *ppoints = 0; do_posix_clock_monotonic_gettime(&uptime); do_each_thread(g, p) { @@ -169,9 +201,9 @@ static struct task_struct * select_bad_process(void) return p; points = badness(p, uptime.tv_sec); - if (points > maxpoints || !chosen) { + if (points > *ppoints || !chosen) { chosen = p; - maxpoints = points; + *ppoints = points; } } while_each_thread(g, p); return chosen; @@ -182,7 +214,7 @@ static struct task_struct * select_bad_process(void) * CAP_SYS_RAW_IO set, send SIGTERM instead (but it's unlikely that * we select a process with CAP_SYS_RAW_IO set). */ -static void __oom_kill_task(task_t *p) +static void __oom_kill_task(task_t *p, const char *message) { if (p->pid == 1) { WARN_ON(1); @@ -198,8 +230,8 @@ static void __oom_kill_task(task_t *p) return; } task_unlock(p); - printk(KERN_ERR "Out of Memory: Killed process %d (%s).\n", - p->pid, p->comm); + printk(KERN_ERR "%s: Killed process %d (%s).\n", + message, p->pid, p->comm); /* * We give our sacrificial lamb high priority and access to @@ -212,7 +244,7 @@ static void __oom_kill_task(task_t *p) force_sig(SIGKILL, p); } -static struct mm_struct *oom_kill_task(task_t *p) +static struct mm_struct *oom_kill_task(task_t *p, const char *message) { struct mm_struct *mm = get_task_mm(p); task_t * g, * q; @@ -224,35 +256,38 @@ static struct mm_struct *oom_kill_task(task_t *p) return NULL; } - __oom_kill_task(p); + __oom_kill_task(p, message); /* * kill all processes that share the ->mm (i.e. all threads), * but are in a different thread group */ do_each_thread(g, q) if (q->mm == mm && q->tgid != p->tgid) - __oom_kill_task(q); + __oom_kill_task(q, message); while_each_thread(g, q); return mm; } -static struct mm_struct *oom_kill_process(struct task_struct *p) +static struct mm_struct *oom_kill_process(struct task_struct *p, + unsigned long points, const char *message) { struct mm_struct *mm; struct task_struct *c; struct list_head *tsk; + printk(KERN_ERR "Out of Memory: Kill process %d (%s) score %li and " + "children.\n", p->pid, p->comm, points); /* Try to kill a child first */ list_for_each(tsk, &p->children) { c = list_entry(tsk, struct task_struct, sibling); if (c->mm == p->mm) continue; - mm = oom_kill_task(c); + mm = oom_kill_task(c, message); if (mm) return mm; } - return oom_kill_task(p); + return oom_kill_task(p, message); } /** @@ -263,10 +298,11 @@ static struct mm_struct *oom_kill_process(struct task_struct *p) * OR try to be smart about which process to kill. Note that we * don't have to be perfect here, we just have to be good. */ -void out_of_memory(gfp_t gfp_mask, int order) +void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask, int order) { struct mm_struct *mm = NULL; - task_t * p; + task_t *p; + unsigned long points; if (printk_ratelimit()) { printk("oom-killer: gfp_mask=0x%x, order=%d\n", @@ -277,25 +313,48 @@ void out_of_memory(gfp_t gfp_mask, int order) cpuset_lock(); read_lock(&tasklist_lock); + + /* + * Check if there were limitations on the allocation (only relevant for + * NUMA) that may require different handling. + */ + switch (constrained_alloc(zonelist, gfp_mask)) { + case CONSTRAINT_MEMORY_POLICY: + mm = oom_kill_process(current, points, + "No available memory (MPOL_BIND)"); + break; + + case CONSTRAINT_CPUSET: + mm = oom_kill_process(current, points, + "No available memory in cpuset"); + break; + + case CONSTRAINT_NONE: retry: - p = select_bad_process(); + /* + * Rambo mode: Shoot down a process and hope it solves whatever + * issues we may have. + */ + p = select_bad_process(&points); - if (PTR_ERR(p) == -1UL) - goto out; + if (PTR_ERR(p) == -1UL) + goto out; - /* Found nothing?!?! Either we hang forever, or we panic. */ - if (!p) { - read_unlock(&tasklist_lock); - cpuset_unlock(); - panic("Out of memory and no killable processes...\n"); - } + /* Found nothing?!?! Either we hang forever, or we panic. */ + if (!p) { + read_unlock(&tasklist_lock); + cpuset_unlock(); + panic("Out of memory and no killable processes...\n"); + } - mm = oom_kill_process(p); - if (!mm) - goto retry; + mm = oom_kill_process(p, points, "Out of memory"); + if (!mm) + goto retry; + + break; + } - out: - read_unlock(&tasklist_lock); +out: cpuset_unlock(); if (mm) mmput(mm); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 62c122528587..791690d7d3fa 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1015,7 +1015,7 @@ rebalance: if (page) goto got_pg; - out_of_memory(gfp_mask, order); + out_of_memory(zonelist, gfp_mask, order); goto restart; } @@ -1541,29 +1541,29 @@ static int __initdata node_load[MAX_NUMNODES]; */ static int __init find_next_best_node(int node, nodemask_t *used_node_mask) { - int i, n, val; + int n, val; int min_val = INT_MAX; int best_node = -1; - for_each_online_node(i) { - cpumask_t tmp; + /* Use the local node if we haven't already */ + if (!node_isset(node, *used_node_mask)) { + node_set(node, *used_node_mask); + return node; + } - /* Start from local node */ - n = (node+i) % num_online_nodes(); + for_each_online_node(n) { + cpumask_t tmp; /* Don't want a node to appear more than once */ if (node_isset(n, *used_node_mask)) continue; - /* Use the local node if we haven't already */ - if (!node_isset(node, *used_node_mask)) { - best_node = node; - break; - } - /* Use the distance array to find the distance */ val = node_distance(node, n); + /* Penalize nodes under us ("prefer the next node") */ + val += (n < node); + /* Give preference to headless and unused nodes */ tmp = node_to_cpumask(n); if (!cpus_empty(tmp)) diff --git a/mm/shmem.c b/mm/shmem.c index f7ac7b812f92..7c455fbaff7b 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -45,6 +45,7 @@ #include <linux/swapops.h> #include <linux/mempolicy.h> #include <linux/namei.h> +#include <linux/ctype.h> #include <asm/uaccess.h> #include <asm/div64.h> #include <asm/pgtable.h> @@ -874,6 +875,51 @@ redirty: } #ifdef CONFIG_NUMA +static int shmem_parse_mpol(char *value, int *policy, nodemask_t *policy_nodes) +{ + char *nodelist = strchr(value, ':'); + int err = 1; + + if (nodelist) { + /* NUL-terminate policy string */ + *nodelist++ = '\0'; + if (nodelist_parse(nodelist, *policy_nodes)) + goto out; + } + if (!strcmp(value, "default")) { + *policy = MPOL_DEFAULT; + /* Don't allow a nodelist */ + if (!nodelist) + err = 0; + } else if (!strcmp(value, "prefer")) { + *policy = MPOL_PREFERRED; + /* Insist on a nodelist of one node only */ + if (nodelist) { + char *rest = nodelist; + while (isdigit(*rest)) + rest++; + if (!*rest) + err = 0; + } + } else if (!strcmp(value, "bind")) { + *policy = MPOL_BIND; + /* Insist on a nodelist */ + if (nodelist) + err = 0; + } else if (!strcmp(value, "interleave")) { + *policy = MPOL_INTERLEAVE; + /* Default to nodes online if no nodelist */ + if (!nodelist) + *policy_nodes = node_online_map; + err = 0; + } +out: + /* Restore string for error message */ + if (nodelist) + *--nodelist = ':'; + return err; +} + static struct page *shmem_swapin_async(struct shared_policy *p, swp_entry_t entry, unsigned long idx) { @@ -926,6 +972,11 @@ shmem_alloc_page(gfp_t gfp, struct shmem_inode_info *info, return page; } #else +static inline int shmem_parse_mpol(char *value, int *policy, nodemask_t *policy_nodes) +{ + return 1; +} + static inline struct page * shmem_swapin(struct shmem_inode_info *info,swp_entry_t entry,unsigned long idx) { @@ -1859,7 +1910,23 @@ static int shmem_parse_options(char *options, int *mode, uid_t *uid, { char *this_char, *value, *rest; - while ((this_char = strsep(&options, ",")) != NULL) { + while (options != NULL) { + this_char = options; + for (;;) { + /* + * NUL-terminate this option: unfortunately, + * mount options form a comma-separated list, + * but mpol's nodelist may also contain commas. + */ + options = strchr(options, ','); + if (options == NULL) + break; + options++; + if (!isdigit(*options)) { + options[-1] = '\0'; + break; + } + } if (!*this_char) continue; if ((value = strchr(this_char,'=')) != NULL) { @@ -1910,18 +1977,8 @@ static int shmem_parse_options(char *options, int *mode, uid_t *uid, if (*rest) goto bad_val; } else if (!strcmp(this_char,"mpol")) { - if (!strcmp(value,"default")) - *policy = MPOL_DEFAULT; - else if (!strcmp(value,"preferred")) - *policy = MPOL_PREFERRED; - else if (!strcmp(value,"bind")) - *policy = MPOL_BIND; - else if (!strcmp(value,"interleave")) - *policy = MPOL_INTERLEAVE; - else + if (shmem_parse_mpol(value,policy,policy_nodes)) goto bad_val; - } else if (!strcmp(this_char,"mpol_nodelist")) { - nodelist_parse(value, *policy_nodes); } else { printk(KERN_ERR "tmpfs: Bad mount option %s\n", this_char); diff --git a/mm/vmscan.c b/mm/vmscan.c index 1838c15ca4fd..b0af7593d01e 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1908,7 +1908,12 @@ int zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order) sc.swap_cluster_max = SWAP_CLUSTER_MAX; cond_resched(); - p->flags |= PF_MEMALLOC; + /* + * We need to be able to allocate from the reserves for RECLAIM_SWAP + * and we also need to be able to write out pages for RECLAIM_WRITE + * and RECLAIM_SWAP. + */ + p->flags |= PF_MEMALLOC | PF_SWAPWRITE; reclaim_state.reclaimed_slab = 0; p->reclaim_state = &reclaim_state; @@ -1932,11 +1937,10 @@ int zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order) * a long time. */ shrink_slab(sc.nr_scanned, gfp_mask, order); - sc.nr_reclaimed = 1; /* Avoid getting the off node timeout */ } p->reclaim_state = NULL; - current->flags &= ~PF_MEMALLOC; + current->flags &= ~(PF_MEMALLOC | PF_SWAPWRITE); if (sc.nr_reclaimed == 0) zone->last_unsuccessful_zone_reclaim = jiffies; diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index 6bb0c7eb1ef0..e060aad8624d 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -90,6 +90,7 @@ static struct rtable __fake_rtable = { .dev = &__fake_net_device, .path = &__fake_rtable.u.dst, .metrics = {[RTAX_MTU - 1] = 1500}, + .flags = DST_NOXFRM, } }, .rt_flags = 0, diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 6766f118f070..2144952d1c6c 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -411,6 +411,9 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask) C(pkt_type); C(ip_summed); C(priority); +#if defined(CONFIG_IP_VS) || defined(CONFIG_IP_VS_MODULE) + C(ipvs_property); +#endif C(protocol); n->destructor = NULL; #ifdef CONFIG_NETFILTER @@ -422,13 +425,6 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask) C(nfct_reasm); nf_conntrack_get_reasm(skb->nfct_reasm); #endif -#if defined(CONFIG_IP_VS) || defined(CONFIG_IP_VS_MODULE) - C(ipvs_property); -#endif -#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) - C(nfct_reasm); - nf_conntrack_get_reasm(skb->nfct_reasm); -#endif #ifdef CONFIG_BRIDGE_NETFILTER C(nf_bridge); nf_bridge_get(skb->nf_bridge); diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c index 9890fd97e538..c971f14712ec 100644 --- a/net/ethernet/eth.c +++ b/net/ethernet/eth.c @@ -95,6 +95,12 @@ int eth_header(struct sk_buff *skb, struct net_device *dev, unsigned short type, saddr = dev->dev_addr; memcpy(eth->h_source,saddr,dev->addr_len); + if(daddr) + { + memcpy(eth->h_dest,daddr,dev->addr_len); + return ETH_HLEN; + } + /* * Anyway, the loopback-device should never use this function... */ @@ -105,12 +111,6 @@ int eth_header(struct sk_buff *skb, struct net_device *dev, unsigned short type, return ETH_HLEN; } - if(daddr) - { - memcpy(eth->h_dest,daddr,dev->addr_len); - return ETH_HLEN; - } - return -ETH_HLEN; } diff --git a/net/ipv4/netfilter/ip_nat_core.c b/net/ipv4/netfilter/ip_nat_core.c index c1a61462507f..1741d555ad0d 100644 --- a/net/ipv4/netfilter/ip_nat_core.c +++ b/net/ipv4/netfilter/ip_nat_core.c @@ -434,6 +434,7 @@ int ip_nat_icmp_reply_translation(struct sk_buff **pskb, } *inside; struct ip_conntrack_tuple inner, target; int hdrlen = (*pskb)->nh.iph->ihl * 4; + unsigned long statusbit; if (!skb_make_writable(pskb, hdrlen + sizeof(*inside))) return 0; @@ -495,17 +496,16 @@ int ip_nat_icmp_reply_translation(struct sk_buff **pskb, /* Change outer to look the reply to an incoming packet * (proto 0 means don't invert per-proto part). */ + if (manip == IP_NAT_MANIP_SRC) + statusbit = IPS_SRC_NAT; + else + statusbit = IPS_DST_NAT; - /* Obviously, we need to NAT destination IP, but source IP - should be NAT'ed only if it is from a NAT'd host. + /* Invert if this is reply dir. */ + if (dir == IP_CT_DIR_REPLY) + statusbit ^= IPS_NAT_MASK; - Explanation: some people use NAT for anonymizing. Also, - CERT recommends dropping all packets from private IP - addresses (although ICMP errors from internal links with - such addresses are not too uncommon, as Alan Cox points - out) */ - if (manip != IP_NAT_MANIP_SRC - || ((*pskb)->nh.iph->saddr == ct->tuplehash[dir].tuple.src.ip)) { + if (ct->status & statusbit) { invert_tuplepr(&target, &ct->tuplehash[!dir].tuple); if (!manip_pkt(0, pskb, 0, &target, manip)) return 0; diff --git a/net/ipv4/netfilter/ip_nat_standalone.c b/net/ipv4/netfilter/ip_nat_standalone.c index 7c3f7d380240..ab1f88fa21ec 100644 --- a/net/ipv4/netfilter/ip_nat_standalone.c +++ b/net/ipv4/netfilter/ip_nat_standalone.c @@ -200,20 +200,14 @@ ip_nat_in(unsigned int hooknum, const struct net_device *out, int (*okfn)(struct sk_buff *)) { - struct ip_conntrack *ct; - enum ip_conntrack_info ctinfo; unsigned int ret; + u_int32_t daddr = (*pskb)->nh.iph->daddr; ret = ip_nat_fn(hooknum, pskb, in, out, okfn); if (ret != NF_DROP && ret != NF_STOLEN - && (ct = ip_conntrack_get(*pskb, &ctinfo)) != NULL) { - enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo); - - if (ct->tuplehash[dir].tuple.dst.ip != - ct->tuplehash[!dir].tuple.src.ip) { - dst_release((*pskb)->dst); - (*pskb)->dst = NULL; - } + && daddr != (*pskb)->nh.iph->daddr) { + dst_release((*pskb)->dst); + (*pskb)->dst = NULL; } return ret; } @@ -276,7 +270,7 @@ ip_nat_local_fn(unsigned int hooknum, ct->tuplehash[!dir].tuple.src.ip #ifdef CONFIG_XFRM || ct->tuplehash[dir].tuple.dst.u.all != - ct->tuplehash[dir].tuple.src.u.all + ct->tuplehash[!dir].tuple.src.u.all #endif ) return ip_route_me_harder(pskb) == 0 ? ret : NF_DROP; diff --git a/net/ipv4/route.c b/net/ipv4/route.c index d82c242ea704..fca5fe0cf94a 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -835,7 +835,7 @@ static int rt_garbage_collect(void) int r; rthp = rt_remove_balanced_route( - &rt_hash_table[i].chain, + &rt_hash_table[k].chain, rth, &r); goal -= r; diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c index 45f7ae58f2c0..f285bbf296e2 100644 --- a/net/ipv4/xfrm4_policy.c +++ b/net/ipv4/xfrm4_policy.c @@ -35,6 +35,7 @@ __xfrm4_find_bundle(struct flowi *fl, struct xfrm_policy *policy) if (xdst->u.rt.fl.oif == fl->oif && /*XXX*/ xdst->u.rt.fl.fl4_dst == fl->fl4_dst && xdst->u.rt.fl.fl4_src == fl->fl4_src && + xdst->u.rt.fl.fl4_tos == fl->fl4_tos && xfrm_bundle_ok(xdst, fl, AF_INET)) { dst_clone(dst); break; @@ -61,7 +62,8 @@ __xfrm4_bundle_create(struct xfrm_policy *policy, struct xfrm_state **xfrm, int .nl_u = { .ip4_u = { .saddr = local, - .daddr = remote + .daddr = remote, + .tos = fl->fl4_tos } } }; @@ -230,6 +232,7 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl) fl->proto = iph->protocol; fl->fl4_dst = iph->daddr; fl->fl4_src = iph->saddr; + fl->fl4_tos = iph->tos; } static inline int xfrm4_garbage_collect(void) diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index efa3e72cfcfa..f999edd846a9 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -494,6 +494,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *)) struct net_device *dev; struct sk_buff *frag; struct rt6_info *rt = (struct rt6_info*)skb->dst; + struct ipv6_pinfo *np = skb->sk ? inet6_sk(skb->sk) : NULL; struct ipv6hdr *tmp_hdr; struct frag_hdr *fh; unsigned int mtu, hlen, left, len; @@ -505,7 +506,12 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *)) hlen = ip6_find_1stfragopt(skb, &prevhdr); nexthdr = *prevhdr; - mtu = dst_mtu(&rt->u.dst) - hlen - sizeof(struct frag_hdr); + mtu = dst_mtu(&rt->u.dst); + if (np && np->frag_size < mtu) { + if (np->frag_size) + mtu = np->frag_size; + } + mtu -= hlen + sizeof(struct frag_hdr); if (skb_shinfo(skb)->frag_list) { int first_len = skb_pagelen(skb); @@ -882,7 +888,12 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to, inet->cork.fl = *fl; np->cork.hop_limit = hlimit; np->cork.tclass = tclass; - inet->cork.fragsize = mtu = dst_mtu(rt->u.dst.path); + mtu = dst_mtu(rt->u.dst.path); + if (np && np->frag_size < mtu) { + if (np->frag_size) + mtu = np->frag_size; + } + inet->cork.fragsize = mtu; if (dst_allfrag(rt->u.dst.path)) inet->cork.flags |= IPCORK_ALLFRAG; inet->cork.length = 0; diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 92ead3cf956b..48597538db3f 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -458,7 +458,7 @@ ip6ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, mtu = IPV6_MIN_MTU; t->dev->mtu = mtu; - if ((len = sizeof (*ipv6h) + ipv6h->payload_len) > mtu) { + if ((len = sizeof (*ipv6h) + ntohs(ipv6h->payload_len)) > mtu) { rel_type = ICMPV6_PKT_TOOBIG; rel_code = 0; rel_info = mtu; @@ -884,6 +884,7 @@ ip6ip6_tnl_change(struct ip6_tnl *t, struct ip6_tnl_parm *p) t->parms.encap_limit = p->encap_limit; t->parms.flowinfo = p->flowinfo; t->parms.link = p->link; + ip6_tnl_dst_reset(t); ip6ip6_tnl_link_config(t); return 0; } diff --git a/net/key/af_key.c b/net/key/af_key.c index ae86d237a456..b2d4d1dd2116 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -1423,7 +1423,7 @@ static int pfkey_add(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hdr, if (err < 0) { x->km.state = XFRM_STATE_DEAD; - xfrm_state_put(x); + __xfrm_state_put(x); goto out; } diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 98ec53bd3ac7..8206025d8e46 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -782,7 +782,7 @@ int xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl, int nx = 0; int err; u32 genid; - u16 family = dst_orig->ops->family; + u16 family; u8 dir = policy_to_flow_dir(XFRM_POLICY_OUT); u32 sk_sid = security_sk_sid(sk, fl, dir); restart: @@ -796,13 +796,14 @@ restart: if ((dst_orig->flags & DST_NOXFRM) || !xfrm_policy_list[XFRM_POLICY_OUT]) return 0; - policy = flow_cache_lookup(fl, sk_sid, family, dir, - xfrm_policy_lookup); + policy = flow_cache_lookup(fl, sk_sid, dst_orig->ops->family, + dir, xfrm_policy_lookup); } if (!policy) return 0; + family = dst_orig->ops->family; policy->curlft.use_time = (unsigned long)xtime.tv_sec; switch (policy->action) { @@ -885,8 +886,6 @@ restart: * We can't enlist stable bundles either. */ write_unlock_bh(&policy->lock); - - xfrm_pol_put(policy); if (dst) dst_free(dst); diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index e12d0be5f976..c656cbaf35e8 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -220,14 +220,14 @@ static int __xfrm_state_delete(struct xfrm_state *x) x->km.state = XFRM_STATE_DEAD; spin_lock(&xfrm_state_lock); list_del(&x->bydst); - atomic_dec(&x->refcnt); + __xfrm_state_put(x); if (x->id.spi) { list_del(&x->byspi); - atomic_dec(&x->refcnt); + __xfrm_state_put(x); } spin_unlock(&xfrm_state_lock); if (del_timer(&x->timer)) - atomic_dec(&x->refcnt); + __xfrm_state_put(x); /* The number two in this test is the reference * mentioned in the comment below plus the reference @@ -243,7 +243,7 @@ static int __xfrm_state_delete(struct xfrm_state *x) * The xfrm_state_alloc call gives a reference, and that * is what we are dropping here. */ - atomic_dec(&x->refcnt); + __xfrm_state_put(x); err = 0; } diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index ac87a09ba83e..7de17559249a 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -345,7 +345,7 @@ static int xfrm_add_sa(struct sk_buff *skb, struct nlmsghdr *nlh, void **xfrma) if (err < 0) { x->km.state = XFRM_STATE_DEAD; - xfrm_state_put(x); + __xfrm_state_put(x); goto out; } diff --git a/sound/core/control_compat.c b/sound/core/control_compat.c index 418c6d4e5daf..a529b62972b4 100644 --- a/sound/core/control_compat.c +++ b/sound/core/control_compat.c @@ -167,7 +167,7 @@ static int get_ctl_type(struct snd_card *card, struct snd_ctl_elem_id *id, int *countp) { struct snd_kcontrol *kctl; - struct snd_ctl_elem_info info; + struct snd_ctl_elem_info *info; int err; down_read(&card->controls_rwsem); @@ -176,13 +176,19 @@ static int get_ctl_type(struct snd_card *card, struct snd_ctl_elem_id *id, up_read(&card->controls_rwsem); return -ENXIO; } - info.id = *id; - err = kctl->info(kctl, &info); + info = kzalloc(sizeof(*info), GFP_KERNEL); + if (info == NULL) { + up_read(&card->controls_rwsem); + return -ENOMEM; + } + info->id = *id; + err = kctl->info(kctl, info); up_read(&card->controls_rwsem); if (err >= 0) { - err = info.type; - *countp = info.count; + err = info->type; + *countp = info->count; } + kfree(info); return err; } diff --git a/sound/drivers/opl3/opl3_oss.c b/sound/drivers/opl3/opl3_oss.c index 31f1f2e25aa0..0345ae647681 100644 --- a/sound/drivers/opl3/opl3_oss.c +++ b/sound/drivers/opl3/opl3_oss.c @@ -146,7 +146,7 @@ void snd_opl3_init_seq_oss(struct snd_opl3 *opl3, char *name) void snd_opl3_free_seq_oss(struct snd_opl3 *opl3) { if (opl3->oss_seq_dev) { - snd_device_free(opl3->card, opl3->oss_seq_dev); + /* The instance should have been released in prior */ opl3->oss_seq_dev = NULL; } } diff --git a/sound/isa/cs423x/cs4236.c b/sound/isa/cs423x/cs4236.c index 4fa431040564..99a42138bea0 100644 --- a/sound/isa/cs423x/cs4236.c +++ b/sound/isa/cs423x/cs4236.c @@ -414,7 +414,7 @@ static int __devinit snd_card_cs423x_pnpc(int dev, struct snd_card_cs4236 *acard } /* MPU initialization */ if (acard->mpu && mpu_port[dev] > 0) { - if (snd_cs423x_pnp_init_mpu(dev, acard->ctrl, cfg) < 0) + if (snd_cs423x_pnp_init_mpu(dev, acard->mpu, cfg) < 0) goto error; } kfree(cfg); |
