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297 files changed, 2950 insertions, 2014 deletions
diff --git a/Documentation/CodingStyle b/Documentation/CodingStyle index afc286775891..b49b92edb396 100644 --- a/Documentation/CodingStyle +++ b/Documentation/CodingStyle @@ -495,29 +495,40 @@ re-formatting you may want to take a look at the man page. But remember: "indent" is not a fix for bad programming. - Chapter 10: Configuration-files + Chapter 10: Kconfig configuration files -For configuration options (arch/xxx/Kconfig, and all the Kconfig files), -somewhat different indentation is used. +For all of the Kconfig* configuration files throughout the source tree, +the indentation is somewhat different. Lines under a "config" definition +are indented with one tab, while help text is indented an additional two +spaces. Example: -Help text is indented with 2 spaces. - -if CONFIG_EXPERIMENTAL - tristate CONFIG_BOOM - default n - help - Apply nitroglycerine inside the keyboard (DANGEROUS) - bool CONFIG_CHEER - depends on CONFIG_BOOM - default y +config AUDIT + bool "Auditing support" + depends on NET help - Output nice messages when you explode -endif + Enable auditing infrastructure that can be used with another + kernel subsystem, such as SELinux (which requires this for + logging of avc messages output). Does not do system-call + auditing without CONFIG_AUDITSYSCALL. + +Features that might still be considered unstable should be defined as +dependent on "EXPERIMENTAL": + +config SLUB + depends on EXPERIMENTAL && !ARCH_USES_SLAB_PAGE_STRUCT + bool "SLUB (Unqueued Allocator)" + ... + +while seriously dangerous features (such as write support for certain +filesystems) should advertise this prominently in their prompt string: + +config ADFS_FS_RW + bool "ADFS write support (DANGEROUS)" + depends on ADFS_FS + ... -Generally, CONFIG_EXPERIMENTAL should surround all options not considered -stable. All options that are known to trash data (experimental write- -support for file-systems, for instance) should be denoted (DANGEROUS), other -experimental options should be denoted (EXPERIMENTAL). +For full documentation on the configuration files, see the file +Documentation/kbuild/kconfig-language.txt. Chapter 11: Data structures diff --git a/Documentation/DocBook/gadget.tmpl b/Documentation/DocBook/gadget.tmpl index e7fc96433408..6996d977bf8f 100644 --- a/Documentation/DocBook/gadget.tmpl +++ b/Documentation/DocBook/gadget.tmpl @@ -52,7 +52,7 @@ <toc></toc> -<chapter><title>Introduction</title> +<chapter id="intro"><title>Introduction</title> <para>This document presents a Linux-USB "Gadget" kernel mode diff --git a/Documentation/DocBook/usb.tmpl b/Documentation/DocBook/usb.tmpl index a2ebd651b05a..af293606fbe3 100644 --- a/Documentation/DocBook/usb.tmpl +++ b/Documentation/DocBook/usb.tmpl @@ -185,7 +185,7 @@ </chapter> -<chapter><title>USB-Standard Types</title> +<chapter id="types"><title>USB-Standard Types</title> <para>In <filename><linux/usb/ch9.h></filename> you will find the USB data types defined in chapter 9 of the USB specification. @@ -197,7 +197,7 @@ </chapter> -<chapter><title>Host-Side Data Types and Macros</title> +<chapter id="hostside"><title>Host-Side Data Types and Macros</title> <para>The host side API exposes several layers to drivers, some of which are more necessary than others. @@ -211,7 +211,7 @@ </chapter> - <chapter><title>USB Core APIs</title> + <chapter id="usbcore"><title>USB Core APIs</title> <para>There are two basic I/O models in the USB API. The most elemental one is asynchronous: drivers submit requests @@ -248,7 +248,7 @@ !Edrivers/usb/core/hub.c </chapter> - <chapter><title>Host Controller APIs</title> + <chapter id="hcd"><title>Host Controller APIs</title> <para>These APIs are only for use by host controller drivers, most of which implement standard register interfaces such as @@ -285,7 +285,7 @@ !Idrivers/usb/core/buffer.c </chapter> - <chapter> + <chapter id="usbfs"> <title>The USB Filesystem (usbfs)</title> <para>This chapter presents the Linux <emphasis>usbfs</emphasis>. @@ -317,7 +317,7 @@ not it has a kernel driver. </para> - <sect1> + <sect1 id="usbfs-files"> <title>What files are in "usbfs"?</title> <para>Conventionally mounted at @@ -356,7 +356,7 @@ </sect1> - <sect1> + <sect1 id="usbfs-fstab"> <title>Mounting and Access Control</title> <para>There are a number of mount options for usbfs, which will @@ -439,7 +439,7 @@ </sect1> - <sect1> + <sect1 id="usbfs-devices"> <title>/proc/bus/usb/devices</title> <para>This file is handy for status viewing tools in user @@ -473,7 +473,7 @@ for (;;) { </para> </sect1> - <sect1> + <sect1 id="usbfs-bbbddd"> <title>/proc/bus/usb/BBB/DDD</title> <para>Use these files in one of these basic ways: @@ -510,7 +510,7 @@ for (;;) { </sect1> - <sect1> + <sect1 id="usbfs-lifecycle"> <title>Life Cycle of User Mode Drivers</title> <para>Such a driver first needs to find a device file @@ -565,7 +565,7 @@ for (;;) { </sect1> - <sect1><title>The ioctl() Requests</title> + <sect1 id="usbfs-ioctl"><title>The ioctl() Requests</title> <para>To use these ioctls, you need to include the following headers in your userspace program: @@ -604,7 +604,7 @@ for (;;) { </para> - <sect2> + <sect2 id="usbfs-mgmt"> <title>Management/Status Requests</title> <para>A number of usbfs requests don't deal very directly @@ -736,7 +736,7 @@ usbdev_ioctl (int fd, int ifno, unsigned request, void *param) </sect2> - <sect2> + <sect2 id="usbfs-sync"> <title>Synchronous I/O Support</title> <para>Synchronous requests involve the kernel blocking @@ -865,7 +865,7 @@ usbdev_ioctl (int fd, int ifno, unsigned request, void *param) </variablelist> </sect2> - <sect2> + <sect2 id="usbfs-async"> <title>Asynchronous I/O Support</title> <para>As mentioned above, there are situations where it may be diff --git a/Documentation/HOWTO b/Documentation/HOWTO index 48123dba5e6a..ced9207bedcf 100644 --- a/Documentation/HOWTO +++ b/Documentation/HOWTO @@ -396,26 +396,6 @@ bugme-janitor mailing list (every change in the bugzilla is mailed here) -Managing bug reports --------------------- - -One of the best ways to put into practice your hacking skills is by fixing -bugs reported by other people. Not only you will help to make the kernel -more stable, you'll learn to fix real world problems and you will improve -your skills, and other developers will be aware of your presence. Fixing -bugs is one of the best ways to get merits among other developers, because -not many people like wasting time fixing other people's bugs. - -To work in the already reported bug reports, go to http://bugzilla.kernel.org. -If you want to be advised of the future bug reports, you can subscribe to the -bugme-new mailing list (only new bug reports are mailed here) or to the -bugme-janitor mailing list (every change in the bugzilla is mailed here) - - http://lists.osdl.org/mailman/listinfo/bugme-new - http://lists.osdl.org/mailman/listinfo/bugme-janitors - - - Mailing lists ------------- diff --git a/Documentation/block/capability.txt b/Documentation/block/capability.txt new file mode 100644 index 000000000000..2f1729424ef4 --- /dev/null +++ b/Documentation/block/capability.txt @@ -0,0 +1,15 @@ +Generic Block Device Capability +=============================================================================== +This file documents the sysfs file block/<disk>/capability + +capability is a hex word indicating which capabilities a specific disk +supports. For more information on bits not listed here, see +include/linux/genhd.h + +Capability Value +------------------------------------------------------------------------------- +GENHD_FL_MEDIA_CHANGE_NOTIFY 4 + When this bit is set, the disk supports Asynchronous Notification + of media change events. These events will be broadcast to user + space via kernel uevent. + diff --git a/Documentation/dontdiff b/Documentation/dontdiff index 64e9f6c4826b..595a5ea4c690 100644 --- a/Documentation/dontdiff +++ b/Documentation/dontdiff @@ -10,10 +10,12 @@ *.grp *.gz *.html +*.i *.jpeg *.ko *.log *.lst +*.moc *.mod.c *.o *.orig @@ -25,6 +27,9 @@ *.s *.sgml *.so +*.symtypes +*.tab.c +*.tab.h *.tex *.ver *.xml @@ -32,9 +37,13 @@ *_vga16.c *cscope* *~ +*.9 +*.9.gz .* .cscope 53c700_d.h +53c7xx_d.h +53c7xx_u.h 53c8xx_d.h* BitKeeper COPYING @@ -70,9 +79,11 @@ bzImage* classlist.h* comp*.log compile.h* +conf config config-* config_data.h* +config_data.gz* conmakehash consolemap_deftbl.c* crc32table.h* @@ -81,18 +92,23 @@ defkeymap.c* devlist.h* docproc dummy_sym.c* +elf2ecoff elfconfig.h* filelist fixdep fore200e_mkfirm fore200e_pca_fw.c* +gconf gen-devlist gen-kdb_cmds.c* gen_crc32table gen_init_cpio genksyms gentbl +*_gray256.c ikconfig.h* +initramfs_data.cpio +initramfs_data.cpio.gz initramfs_list kallsyms kconfig @@ -100,19 +116,30 @@ kconfig.tk keywords.c* ksym.c* ksym.h* +kxgettext +lkc_defs.h lex.c* +lex.*.c +lk201-map.c logo_*.c logo_*_clut224.c logo_*_mono.c lxdialog mach-types mach-types.h +machtypes.h make_times_h map maui_boot.h +mconf +miboot* mk_elfconfig +mkboot +mkbugboot mkdep +mkprep mktables +mktree modpost modversions.h* offset.h @@ -120,18 +147,28 @@ offsets.h oui.c* parse.c* parse.h* +patches* +pca200e.bin +pca200e_ecd.bin2 +piggy.gz +piggyback pnmtologo ppc_defs.h* promcon_tbl.c* pss_boot.h +qconf raid6altivec*.c raid6int*.c raid6tables.c +relocs +series setup sim710_d.h* +sImage sm_tbl* split-include tags +tftpboot.img times.h* tkparse trix_boot.h @@ -139,8 +176,11 @@ utsrelease.h* version.h* vmlinux vmlinux-* +vmlinux.aout vmlinux.lds vsyscall.lds wanxlfw.inc uImage -zImage +unifdef +zImage* +zconf.hash.c diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 5c8695a3d139..2d7ea85075ba 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -62,7 +62,7 @@ Who: Dan Dennedy <dan@dennedy.org>, Stefan Richter <stefanr@s5r6.in-berlin.de> What: old NCR53C9x driver When: October 2007 Why: Replaced by the much better esp_scsi driver. Actual low-level - driver can ported over almost trivially. + driver can be ported over almost trivially. Who: David Miller <davem@davemloft.net> Christoph Hellwig <hch@lst.de> diff --git a/Documentation/filesystems/directory-locking b/Documentation/filesystems/directory-locking index d7099a9266fb..ff7b611abf33 100644 --- a/Documentation/filesystems/directory-locking +++ b/Documentation/filesystems/directory-locking @@ -1,5 +1,6 @@ Locking scheme used for directory operations is based on two -kinds of locks - per-inode (->i_sem) and per-filesystem (->s_vfs_rename_sem). +kinds of locks - per-inode (->i_mutex) and per-filesystem +(->s_vfs_rename_mutex). For our purposes all operations fall in 5 classes: @@ -63,7 +64,7 @@ objects - A < B iff A is an ancestor of B. attempt to acquire some lock and already holds at least one lock. Let's consider the set of contended locks. First of all, filesystem lock is not contended, since any process blocked on it is not holding any locks. -Thus all processes are blocked on ->i_sem. +Thus all processes are blocked on ->i_mutex. Non-directory objects are not contended due to (3). Thus link creation can't be a part of deadlock - it can't be blocked on source diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting index 5531694059ab..dac45c92d872 100644 --- a/Documentation/filesystems/porting +++ b/Documentation/filesystems/porting @@ -107,7 +107,7 @@ free to drop it... --- [informational] -->link() callers hold ->i_sem on the object we are linking to. Some of your +->link() callers hold ->i_mutex on the object we are linking to. Some of your problems might be over... --- @@ -130,9 +130,9 @@ went in - and hadn't been documented ;-/). Just remove it from fs_flags --- [mandatory] -->setattr() is called without BKL now. Caller _always_ holds ->i_sem, so -watch for ->i_sem-grabbing code that might be used by your ->setattr(). -Callers of notify_change() need ->i_sem now. +->setattr() is called without BKL now. Caller _always_ holds ->i_mutex, so +watch for ->i_mutex-grabbing code that might be used by your ->setattr(). +Callers of notify_change() need ->i_mutex now. --- [recommended] diff --git a/Documentation/i386/boot.txt b/Documentation/i386/boot.txt index 66fa67fec2a7..35985b34d5a6 100644 --- a/Documentation/i386/boot.txt +++ b/Documentation/i386/boot.txt @@ -2,7 +2,7 @@ ---------------------------- H. Peter Anvin <hpa@zytor.com> - Last update 2007-05-16 + Last update 2007-05-23 On the i386 platform, the Linux kernel uses a rather complicated boot convention. This has evolved partially due to historical aspects, as @@ -202,6 +202,8 @@ All general purpose boot loaders should write the fields marked nonstandard address should fill in the fields marked (reloc); other boot loaders can ignore those fields. +The byte order of all fields is littleendian (this is x86, after all.) + Field name: setup_secs Type: read Offset/size: 0x1f1/1 @@ -280,14 +282,16 @@ Type: read Offset/size: 0x206/2 Protocol: 2.00+ - Contains the boot protocol version, e.g. 0x0204 for version 2.04. + Contains the boot protocol version, in (major << 8)+minor format, + e.g. 0x0204 for version 2.04, and 0x0a11 for a hypothetical version + 10.17. Field name: readmode_swtch Type: modify (optional) Offset/size: 0x208/4 Protocol: 2.00+ - Boot loader hook (see separate chapter.) + Boot loader hook (see ADVANCED BOOT LOADER HOOKS below.) Field name: start_sys Type: read @@ -304,10 +308,17 @@ Protocol: 2.00+ If set to a nonzero value, contains a pointer to a NUL-terminated human-readable kernel version number string, less 0x200. This can be used to display the kernel version to the user. This value - should be less than (0x200*setup_sects). For example, if this value - is set to 0x1c00, the kernel version number string can be found at - offset 0x1e00 in the kernel file. This is a valid value if and only - if the "setup_sects" field contains the value 14 or higher. + should be less than (0x200*setup_sects). + + For example, if this value is set to 0x1c00, the kernel version + number string can be found at offset 0x1e00 in the kernel file. + This is a valid value if and only if the "setup_sects" field + contains the value 15 or higher, as: + + 0x1c00 < 15*0x200 (= 0x1e00) but + 0x1c00 >= 14*0x200 (= 0x1c00) + + 0x1c00 >> 9 = 14, so the minimum value for setup_secs is 15. Field name: type_of_loader Type: write (obligatory) @@ -377,7 +388,7 @@ Protocol: 2.00+ This field can be modified for two purposes: - 1. as a boot loader hook (see separate chapter.) + 1. as a boot loader hook (see ADVANCED BOOT LOADER HOOKS below.) 2. if a bootloader which does not install a hook loads a relocatable kernel at a nonstandard address it will have to modify @@ -715,7 +726,7 @@ switched off, especially if the loaded kernel has the floppy driver as a demand-loaded module! -**** ADVANCED BOOT TIME HOOKS +**** ADVANCED BOOT LOADER HOOKS If the boot loader runs in a particularly hostile environment (such as LOADLIN, which runs under DOS) it may be impossible to follow the @@ -740,4 +751,5 @@ IMPORTANT: All the hooks are required to preserve %esp, %ebp, %esi and set them up to BOOT_DS (0x18) yourself. After completing your hook, you should jump to the address - that was in this field before your boot loader overwrote it. + that was in this field before your boot loader overwrote it + (relocated, if appropriate.) diff --git a/Documentation/initrd.txt b/Documentation/initrd.txt index 15f1b35deb34..d3dc505104da 100644 --- a/Documentation/initrd.txt +++ b/Documentation/initrd.txt @@ -27,16 +27,20 @@ When using initrd, the system typically boots as follows: 1) the boot loader loads the kernel and the initial RAM disk 2) the kernel converts initrd into a "normal" RAM disk and frees the memory used by initrd - 3) initrd is mounted read-write as root - 4) /linuxrc is executed (this can be any valid executable, including + 3) if the root device is not /dev/ram0, the old (deprecated) + change_root procedure is followed. see the "Obsolete root change + mechanism" section below. + 4) root device is mounted. if it is /dev/ram0, the initrd image is + then mounted as root + 5) /sbin/init is executed (this can be any valid executable, including shell scripts; it is run with uid 0 and can do basically everything - init can do) - 5) linuxrc mounts the "real" root file system - 6) linuxrc places the root file system at the root directory using the + init can do). + 6) init mounts the "real" root file system + 7) init places the root file system at the root directory using the pivot_root system call - 7) the usual boot sequence (e.g. invocation of /sbin/init) is performed - on the root file system - 8) the initrd file system is removed + 8) init execs the /sbin/init on the new root filesystem, performing + the usual boot sequence + 9) the initrd file system is removed Note that changing the root directory does not involve unmounting it. It is therefore possible to leave processes running on initrd during that @@ -70,7 +74,7 @@ initrd adds the following new options: root=/dev/ram0 initrd is mounted as root, and the normal boot procedure is followed, - with the RAM disk still mounted as root. + with the RAM disk mounted as root. Compressed cpio images ---------------------- @@ -137,11 +141,11 @@ We'll describe the loopback device method: # mkdir /mnt/dev # mknod /mnt/dev/console c 5 1 5) copy all the files that are needed to properly use the initrd - environment. Don't forget the most important file, /linuxrc - Note that /linuxrc's permissions must include "x" (execute). + environment. Don't forget the most important file, /sbin/init + Note that /sbin/init's permissions must include "x" (execute). 6) correct operation the initrd environment can frequently be tested even without rebooting with the command - # chroot /mnt /linuxrc + # chroot /mnt /sbin/init This is of course limited to initrds that do not interfere with the general system state (e.g. by reconfiguring network interfaces, overwriting mounted devices, trying to start already running demons, @@ -154,7 +158,7 @@ We'll describe the loopback device method: # gzip -9 initrd For experimenting with initrd, you may want to take a rescue floppy and -only add a symbolic link from /linuxrc to /bin/sh. Alternatively, you +only add a symbolic link from /sbin/init to /bin/sh. Alternatively, you can try the experimental newlib environment [2] to create a small initrd. @@ -163,15 +167,14 @@ boot loaders support initrd. Since the boot process is still compatible with an older mechanism, the following boot command line parameters have to be given: - root=/dev/ram0 init=/linuxrc rw + root=/dev/ram0 rw (rw is only necessary if writing to the initrd file system.) With LOADLIN, you simply execute LOADLIN <kernel> initrd=<disk_image> -e.g. LOADLIN C:\LINUX\BZIMAGE initrd=C:\LINUX\INITRD.GZ root=/dev/ram0 - init=/linuxrc rw +e.g. LOADLIN C:\LINUX\BZIMAGE initrd=C:\LINUX\INITRD.GZ root=/dev/ram0 rw With LILO, you add the option INITRD=<path> to either the global section or to the section of the respective kernel in /etc/lilo.conf, and pass @@ -179,7 +182,7 @@ the options using APPEND, e.g. image = /bzImage initrd = /boot/initrd.gz - append = "root=/dev/ram0 init=/linuxrc rw" + append = "root=/dev/ram0 rw" and run /sbin/lilo @@ -191,7 +194,7 @@ Now you can boot and enjoy using initrd. Changing the root device ------------------------ -When finished with its duties, linuxrc typically changes the root device +When finished with its duties, init typically changes the root device and proceeds with starting the Linux system on the "real" root device. The procedure involves the following steps: @@ -217,7 +220,7 @@ must exist before calling pivot_root. Example: # mkdir initrd # pivot_root . initrd -Now, the linuxrc process may still access the old root via its +Now, the init process may still access the old root via its executable, shared libraries, standard input/output/error, and its current root directory. All these references are dropped by the following command: @@ -249,10 +252,6 @@ disk can be freed: It is also possible to use initrd with an NFS-mounted root, see the pivot_root(8) man page for details. -Note: if linuxrc or any program exec'ed from it terminates for some -reason, the old change_root mechanism is invoked (see section "Obsolete -root change mechanism"). - Usage scenarios --------------- @@ -264,15 +263,15 @@ as follows: 1) system boots from floppy or other media with a minimal kernel (e.g. support for RAM disks, initrd, a.out, and the Ext2 FS) and loads initrd - 2) /linuxrc determines what is needed to (1) mount the "real" root FS + 2) /sbin/init determines what is needed to (1) mount the "real" root FS (i.e. device type, device drivers, file system) and (2) the distribution media (e.g. CD-ROM, network, tape, ...). This can be done by asking the user, by auto-probing, or by using a hybrid approach. - 3) /linuxrc loads the necessary kernel modules - 4) /linuxrc creates and populates the root file system (this doesn't + 3) /sbin/init loads the necessary kernel modules + 4) /sbin/init creates and populates the root file system (this doesn't have to be a very usable system yet) - 5) /linuxrc invokes pivot_root to change the root file system and + 5) /sbin/init invokes pivot_root to change the root file system and execs - via chroot - a program that continues the installation 6) the boot loader is installed 7) the boot loader is configured to load an initrd with the set of @@ -291,7 +290,7 @@ different hardware configurations in a single administrative domain. In such cases, it is desirable to generate only a small set of kernels (ideally only one) and to keep the system-specific part of configuration information as small as possible. In this case, a common initrd could be -generated with all the necessary modules. Then, only /linuxrc or a file +generated with all the necessary modules. Then, only /sbin/init or a file read by it would have to be different. A third scenario are more convenient recovery disks, because information @@ -337,6 +336,25 @@ This old, deprecated mechanism is commonly called "change_root", while the new, supported mechanism is called "pivot_root". +Mixed change_root and pivot_root mechanism +------------------------------------------ + +In case you did not want to use root=/dev/ram0 to trig the pivot_root mechanism, +you may create both /linuxrc and /sbin/init in your initrd image. + +/linuxrc would contain only the following: + +#! /bin/sh +mount -n -t proc proc /proc +echo 0x0100 >/proc/sys/kernel/real-root-dev +umount -n /proc + +Once linuxrc exited, the kernel would mount again your initrd as root, +this time executing /sbin/init. Again, it would be duty of this init +to build the right environment (maybe using the root= device passed on +the cmdline) before the final execution of the real /sbin/init. + + Resources --------- diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 09220a1e22d9..aae2282600ca 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -396,6 +396,26 @@ and is between 256 and 4096 characters. It is defined in the file clocksource is not available, it defaults to PIT. Format: { pit | tsc | cyclone | pmtmr } + clocksource= [GENERIC_TIME] Override the default clocksource + Format: <string> + Override the default clocksource and use the clocksource + with the name specified. + Some clocksource names to choose from, depending on + the platform: + [all] jiffies (this is the base, fallback clocksource) + [ACPI] acpi_pm + [ARM] imx_timer1,OSTS,netx_timer,mpu_timer2, + pxa_timer,timer3,32k_counter,timer0_1 + [AVR32] avr32 + [IA-32] pit,hpet,tsc,vmi-timer; + scx200_hrt on Geode; cyclone on IBM x440 + [MIPS] MIPS + [PARISC] cr16 + [S390] tod + [SH] SuperH + [SPARC64] tick + [X86-64] hpet,tsc + code_bytes [IA32] How many bytes of object code to print in an oops report. Range: 0 - 8192 @@ -1807,10 +1827,6 @@ and is between 256 and 4096 characters. It is defined in the file time Show timing data prefixed to each printk message line - clocksource= [GENERIC_TIME] Override the default clocksource - Override the default clocksource and use the clocksource - with the name specified. - tipar.timeout= [HW,PPT] Set communications timeout in tenths of a second (default 15). diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt index 58408dd023c7..650657c54733 100644 --- a/Documentation/memory-barriers.txt +++ b/Documentation/memory-barriers.txt @@ -24,7 +24,7 @@ Contents: (*) Explicit kernel barriers. - Compiler barrier. - - The CPU memory barriers. + - CPU memory barriers. - MMIO write barrier. (*) Implicit kernel memory barriers. @@ -265,7 +265,7 @@ Memory barriers are such interventions. They impose a perceived partial ordering over the memory operations on either side of the barrier. Such enforcement is important because the CPUs and other devices in a system -can use a variety of tricks to improve performance - including reordering, +can use a variety of tricks to improve performance, including reordering, deferral and combination of memory operations; speculative loads; speculative branch prediction and various types of caching. Memory barriers are used to override or suppress these tricks, allowing the code to sanely control the @@ -457,7 +457,7 @@ sequence, Q must be either &A or &B, and that: (Q == &A) implies (D == 1) (Q == &B) implies (D == 4) -But! CPU 2's perception of P may be updated _before_ its perception of B, thus +But! CPU 2's perception of P may be updated _before_ its perception of B, thus leading to the following situation: (Q == &B) and (D == 2) ???? @@ -573,7 +573,7 @@ Basically, the read barrier always has to be there, even though it can be of the "weaker" type. [!] Note that the stores before the write barrier would normally be expected to -match the loads after the read barrier or data dependency barrier, and vice +match the loads after the read barrier or the data dependency barrier, and vice versa: CPU 1 CPU 2 @@ -588,7 +588,7 @@ versa: EXAMPLES OF MEMORY BARRIER SEQUENCES ------------------------------------ -Firstly, write barriers act as a partial orderings on store operations. +Firstly, write barriers act as partial orderings on store operations. Consider the following sequence of events: CPU 1 @@ -608,15 +608,15 @@ STORE B, STORE C } all occurring before the unordered set of { STORE D, STORE E +-------+ : : | | +------+ | |------>| C=3 | } /\ - | | : +------+ }----- \ -----> Events perceptible - | | : | A=1 | } \/ to rest of system + | | : +------+ }----- \ -----> Events perceptible to + | | : | A=1 | } \/ the rest of the system | | : +------+ } | CPU 1 | : | B=2 | } | | +------+ } | | wwwwwwwwwwwwwwww } <--- At this point the write barrier | | +------+ } requires all stores prior to the | | : | E=5 | } barrier to be committed before - | | : +------+ } further stores may be take place. + | | : +------+ } further stores may take place | |------>| D=4 | } | | +------+ +-------+ : : @@ -626,7 +626,7 @@ STORE B, STORE C } all occurring before the unordered set of { STORE D, STORE E V -Secondly, data dependency barriers act as a partial orderings on data-dependent +Secondly, data dependency barriers act as partial orderings on data-dependent loads. Consider the following sequence of events: CPU 1 CPU 2 @@ -975,7 +975,7 @@ compiler from moving the memory accesses either side of it to the other side: barrier(); -This a general barrier - lesser varieties of compiler barrier do not exist. +This is a general barrier - lesser varieties of compiler barrier do not exist. The compiler barrier has no direct effect on the CPU, which may then reorder things however it wishes. @@ -997,7 +997,7 @@ The Linux kernel has eight basic CPU memory barriers: All CPU memory barriers unconditionally imply compiler barriers. SMP memory barriers are reduced to compiler barriers on uniprocessor compiled -systems because it is assumed that a CPU will be appear to be self-consistent, +systems because it is assumed that a CPU will appear to be self-consistent, and will order overlapping accesses correctly with respect to itself. [!] Note that SMP memory barriers _must_ be used to control the ordering of @@ -1146,9 +1146,9 @@ for each construct. These operations all imply certain barriers: Therefore, from (1), (2) and (4) an UNLOCK followed by an unconditional LOCK is equivalent to a full barrier, but a LOCK followed by an UNLOCK is not. -[!] Note: one of the consequence of LOCKs and UNLOCKs being only one-way - barriers is that the effects instructions outside of a critical section may - seep into the inside of the critical section. +[!] Note: one of the consequences of LOCKs and UNLOCKs being only one-way + barriers is that the effects of instructions outside of a critical section + may seep into the inside of the critical section. A LOCK followed by an UNLOCK may not be assumed to be full memory barrier because it is possible for an access preceding the LOCK to happen after the @@ -1239,7 +1239,7 @@ three CPUs; then should the following sequence of events occur: UNLOCK M UNLOCK Q *D = d; *H = h; -Then there is no guarantee as to what order CPU #3 will see the accesses to *A +Then there is no guarantee as to what order CPU 3 will see the accesses to *A through *H occur in, other than the constraints imposed by the separate locks on the separate CPUs. It might, for example, see: @@ -1269,12 +1269,12 @@ However, if the following occurs: UNLOCK M [2] *H = h; -CPU #3 might see: +CPU 3 might see: *E, LOCK M [1], *C, *B, *A, UNLOCK M [1], LOCK M [2], *H, *F, *G, UNLOCK M [2], *D -But assuming CPU #1 gets the lock first, it won't see any of: +But assuming CPU 1 gets the lock first, CPU 3 won't see any of: *B, *C, *D, *F, *G or *H preceding LOCK M [1] *A, *B or *C following UNLOCK M [1] @@ -1327,12 +1327,12 @@ spinlock, for example: mmiowb(); spin_unlock(Q); -this will ensure that the two stores issued on CPU #1 appear at the PCI bridge -before either of the stores issued on CPU #2. +this will ensure that the two stores issued on CPU 1 appear at the PCI bridge +before either of the stores issued on CPU 2. -Furthermore, following a store by a load to the same device obviates the need -for an mmiowb(), because the load forces the store to complete before the load +Furthermore, following a store by a load from the same device obviates the need +for the mmiowb(), because the load forces the store to complete before the load is performed: CPU 1 CPU 2 @@ -1363,7 +1363,7 @@ circumstances in which reordering definitely _could_ be a problem: (*) Atomic operations. - (*) Accessing devices (I/O). + (*) Accessing devices. (*) Interrupts. @@ -1399,7 +1399,7 @@ To wake up a particular waiter, the up_read() or up_write() functions have to: (1) read the next pointer from this waiter's record to know as to where the next waiter record is; - (4) read the pointer to the waiter's task structure; + (2) read the pointer to the waiter's task structure; (3) clear the task pointer to tell the waiter it has been given the semaphore; @@ -1407,7 +1407,7 @@ To wake up a particular waiter, the up_read() or up_write() functions have to: (5) release the reference held on the waiter's task struct. -In otherwords, it has to perform this sequence of events: +In other words, it has to perform this sequence of events: LOAD waiter->list.next; LOAD waiter->task; @@ -1502,7 +1502,7 @@ operations and adjusting reference counters towards object destruction, and as such the implicit memory barrier effects are necessary. -The following operation are potential problems as they do _not_ imply memory +The following operations are potential problems as they do _not_ imply memory barriers, but might be used for implementing such things as UNLOCK-class operations: @@ -1517,7 +1517,7 @@ With these the appropriate explicit memory barrier should be used if necessary The following also do _not_ imply memory barriers, and so may require explicit memory barriers under some circumstances (smp_mb__before_atomic_dec() for -instance)): +instance): atomic_add(); atomic_sub(); @@ -1641,8 +1641,8 @@ functions: indeed have special I/O space access cycles and instructions, but many CPUs don't have such a concept. - The PCI bus, amongst others, defines an I/O space concept - which on such - CPUs as i386 and x86_64 cpus readily maps to the CPU's concept of I/O + The PCI bus, amongst others, defines an I/O space concept which - on such + CPUs as i386 and x86_64 - readily maps to the CPU's concept of I/O space. However, it may also be mapped as a virtual I/O space in the CPU's memory map, particularly on those CPUs that don't support alternate I/O spaces. @@ -1664,7 +1664,7 @@ functions: i386 architecture machines, for example, this is controlled by way of the MTRR registers. - Ordinarily, these will be guaranteed to be fully ordered and uncombined,, + Ordinarily, these will be guaranteed to be fully ordered and uncombined, provided they're not accessing a prefetchable device. However, intermediary hardware (such as a PCI bridge) may indulge in @@ -1689,7 +1689,7 @@ functions: (*) ioreadX(), iowriteX() - These will perform as appropriate for the type of access they're actually + These will perform appropriately for the type of access they're actually doing, be it inX()/outX() or readX()/writeX(). @@ -1705,7 +1705,7 @@ of arch-specific code. This means that it must be considered that the CPU will execute its instruction stream in any order it feels like - or even in parallel - provided that if an -instruction in the stream depends on the an earlier instruction, then that +instruction in the stream depends on an earlier instruction, then that earlier instruction must be sufficiently complete[*] before the later instruction may proceed; in other words: provided that the appearance of causality is maintained. @@ -1795,8 +1795,8 @@ eventually become visible on all CPUs, there's no guarantee that they will become apparent in the same order on those other CPUs. -Consider dealing with a system that has pair of CPUs (1 & 2), each of which has -a pair of parallel data caches (CPU 1 has A/B, and CPU 2 has C/D): +Consider dealing with a system that has a pair of CPUs (1 & 2), each of which +has a pair of parallel data caches (CPU 1 has A/B, and CPU 2 has C/D): : : +--------+ @@ -1835,7 +1835,7 @@ Imagine the system has the following properties: (*) the coherency queue is not flushed by normal loads to lines already present in the cache, even though the contents of the queue may - potentially effect those loads. + potentially affect those loads. Imagine, then, that two writes are made on the first CPU, with a write barrier between them to guarantee that they will appear to reach that CPU's caches in @@ -1845,7 +1845,7 @@ the requisite order: =============== =============== ======================================= u == 0, v == 1 and p == &u, q == &u v = 2; - smp_wmb(); Make sure change to v visible before + smp_wmb(); Make sure change to v is visible before change to p <A:modify v=2> v is now in cache A exclusively p = &v; @@ -1853,7 +1853,7 @@ the requisite order: The write memory barrier forces the other CPUs in the system to perceive that the local CPU's caches have apparently been updated in the correct order. But -now imagine that the second CPU that wants to read those values: +now imagine that the second CPU wants to read those values: CPU 1 CPU 2 COMMENT =============== =============== ======================================= @@ -1861,7 +1861,7 @@ now imagine that the second CPU that wants to read those values: q = p; x = *q; -The above pair of reads may then fail to happen in expected order, as the +The above pair of reads may then fail to happen in the expected order, as the cacheline holding p may get updated in one of the second CPU's caches whilst the update to the cacheline holding v is delayed in the other of the second CPU's caches by some other cache event: @@ -1916,7 +1916,7 @@ access depends on a read, not all do, so it may not be relied on. Other CPUs may also have split caches, but must coordinate between the various cachelets for normal memory accesses. The semantics of the Alpha removes the -need for coordination in absence of memory barriers. +need for coordination in the absence of memory barriers. CACHE COHERENCY VS DMA @@ -1931,10 +1931,10 @@ invalidate them as well). In addition, the data DMA'd to RAM by a device may be overwritten by dirty cache lines being written back to RAM from a CPU's cache after the device has -installed its own data, or cache lines simply present in a CPUs cache may -simply obscure the fact that RAM has been updated, until at such time as the -cacheline is discarded from the CPU's cache and reloaded. To deal with this, -the appropriate part of the kernel must invalidate the overlapping bits of the +installed its own data, or cache lines present in the CPU's cache may simply +obscure the fact that RAM has been updated, until at such time as the cacheline +is discarded from the CPU's cache and reloaded. To deal with this, the +appropriate part of the kernel must invalidate the overlapping bits of the cache on each CPU. See Documentation/cachetlb.txt for more information on cache management. @@ -1944,7 +1944,7 @@ CACHE COHERENCY VS MMIO ----------------------- Memory mapped I/O usually takes place through memory locations that are part of -a window in the CPU's memory space that have different properties assigned than +a window in the CPU's memory space that has different properties assigned than the usual RAM directed window. Amongst these properties is usually the fact that such accesses bypass the @@ -1960,7 +1960,7 @@ THE THINGS CPUS GET UP TO ========================= A programmer might take it for granted that the CPU will perform memory -operations in exactly the order specified, so that if a CPU is, for example, +operations in exactly the order specified, so that if the CPU is, for example, given the following piece of code to execute: a = *A; @@ -1969,7 +1969,7 @@ given the following piece of code to execute: d = *D; *E = e; -They would then expect that the CPU will complete the memory operation for each +they would then expect that the CPU will complete the memory operation for each instruction before moving on to the next one, leading to a definite sequence of operations as seen by external observers in the system: @@ -1986,8 +1986,8 @@ assumption doesn't hold because: (*) loads may be done speculatively, and the result discarded should it prove to have been unnecessary; - (*) loads may be done speculatively, leading to the result having being - fetched at the wrong time in the expected sequence of events; + (*) loads may be done speculatively, leading to the result having been fetched + at the wrong time in the expected sequence of events; (*) the order of the memory accesses may be rearranged to promote better use of the CPU buses and caches; @@ -2069,12 +2069,12 @@ AND THEN THERE'S THE ALPHA The DEC Alpha CPU is one of the most relaxed CPUs there is. Not only that, some versions of the Alpha CPU have a split data cache, permitting them to have -two semantically related cache lines updating at separate times. This is where +two semantically-related cache lines updated at separate times. This is where the data dependency barrier really becomes necessary as this synchronises both caches with the memory coherence system, thus making it seem like pointer changes vs new data occur in the right order. -The Alpha defines the Linux's kernel's memory barrier model. +The Alpha defines the Linux kernel's memory barrier model. See the subsection on "Cache Coherency" above. diff --git a/Documentation/spi/spi-summary b/Documentation/spi/spi-summary index 795fbb48ffa7..76ea6c837be5 100644 --- a/Documentation/spi/spi-summary +++ b/Documentation/spi/spi-summary @@ -1,26 +1,30 @@ Overview of Linux kernel SPI support ==================================== -02-Dec-2005 +21-May-2007 What is SPI? ------------ The "Serial Peripheral Interface" (SPI) is a synchronous four wire serial link used to connect microcontrollers to sensors, memory, and peripherals. +It's a simple "de facto" standard, not complicated enough to acquire a +standardization body. SPI uses a master/slave configuration. The three signal wires hold a clock (SCK, often on the order of 10 MHz), and parallel data lines with "Master Out, Slave In" (MOSI) or "Master In, Slave Out" (MISO) signals. (Other names are also used.) There are four clocking modes through which data is exchanged; mode-0 and mode-3 are most commonly used. Each clock cycle shifts data out and data in; the clock -doesn't cycle except when there is data to shift. +doesn't cycle except when there is a data bit to shift. Not all data bits +are used though; not every protocol uses those full duplex capabilities. -SPI masters may use a "chip select" line to activate a given SPI slave +SPI masters use a fourth "chip select" line to activate a given SPI slave device, so those three signal wires may be connected to several chips -in parallel. All SPI slaves support chipselects. Some devices have +in parallel. All SPI slaves support chipselects; they are usually active +low signals, labeled nCSx for slave 'x' (e.g. nCS0). Some devices have other signals, often including an interrupt to the master. -Unlike serial busses like USB or SMBUS, even low level protocols for +Unlike serial busses like USB or SMBus, even low level protocols for SPI slave functions are usually not interoperable between vendors (except for commodities like SPI memory chips). @@ -33,6 +37,11 @@ SPI slave functions are usually not interoperable between vendors - Some devices may use eight bit words. Others may different word lengths, such as streams of 12-bit or 20-bit digital samples. + - Words are usually sent with their most significant bit (MSB) first, + but sometimes the least significant bit (LSB) goes first instead. + + - Sometimes SPI is used to daisy-chain devices, like shift registers. + In the same way, SPI slaves will only rarely support any kind of automatic discovery/enumeration protocol. The tree of slave devices accessible from a given SPI master will normally be set up manually, with configuration @@ -44,6 +53,14 @@ half-duplex SPI, for request/response protocols), SSP ("Synchronous Serial Protocol"), PSP ("Programmable Serial Protocol"), and other related protocols. +Some chips eliminate a signal line by combining MOSI and MISO, and +limiting themselves to half-duplex at the hardware level. In fact +some SPI chips have this signal mode as a strapping option. These +can be accessed using the same programming interface as SPI, but of +course they won't handle full duplex transfers. You may find such +chips described as using "three wire" signaling: SCK, data, nCSx. +(That data line is sometimes called MOMI or SISO.) + Microcontrollers often support both master and slave sides of the SPI protocol. This document (and Linux) currently only supports the master side of SPI interactions. @@ -74,6 +91,32 @@ interfaces with SPI modes. Given SPI support, they could use MMC or SD cards without needing a special purpose MMC/SD/SDIO controller. +I'm confused. What are these four SPI "clock modes"? +----------------------------------------------------- +It's easy to be confused here, and the vendor documentation you'll +find isn't necessarily helpful. The four modes combine two mode bits: + + - CPOL indicates the initial clock polarity. CPOL=0 means the + clock starts low, so the first (leading) edge is rising, and + the second (trailing) edge is falling. CPOL=1 means the clock + starts high, so the first (leading) edge is falling. + + - CPHA indicates the clock phase used to sample data; CPHA=0 says + sample on the leading edge, CPHA=1 means the trailing edge. + + Since the signal needs to stablize before it's sampled, CPHA=0 + implies that its data is written half a clock before the first + clock edge. The chipselect may have made it become available. + +Chip specs won't always say "uses SPI mode X" in as many words, +but their timing diagrams will make the CPOL and CPHA modes clear. + +In the SPI mode number, CPOL is the high order bit and CPHA is the +low order bit. So when a chip's timing diagram shows the clock +starting low (CPOL=0) and data stabilized for sampling during the +trailing clock edge (CPHA=1), that's SPI mode 1. + + How do these driver programming interfaces work? ------------------------------------------------ The <linux/spi/spi.h> header file includes kerneldoc, as does the diff --git a/MAINTAINERS b/MAINTAINERS index 22ab4019972b..4cc17b993b6a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -332,6 +332,9 @@ L: linux-usb-devel@lists.sourceforge.net W: http://www.linux-usb.org/SpeedTouch/ S: Maintained +ALCHEMY AU1XX0 MMC DRIVER +S: Orphan + ALI1563 I2C DRIVER P: Rudolf Marek M: r.marek@assembler.cz @@ -418,6 +421,12 @@ P: Ian Molton M: spyro@f2s.com S: Maintained +ARM PRIMECELL MMCI PL180/1 DRIVER +P: Russell King +M: rmk@arm.linux.org.uk +L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only) +S: Maintained + ARM/ADI ROADRUNNER MACHINE SUPPORT P: Lennert Buytenhek M: kernel@wantstofly.org @@ -649,6 +658,9 @@ L: linux-atm-general@lists.sourceforge.net (subscribers-only) W: http://linux-atm.sourceforge.net S: Maintained +ATMEL AT91 MCI DRIVER +S: Orphan + ATMEL MACB ETHERNET DRIVER P: Haavard Skinnemoen M: hskinnemoen@atmel.com @@ -2322,7 +2334,7 @@ S: Maintained MEGARAID SCSI DRIVERS P: Neela Syam Kolli -M: Neela.Kolli@engenio.com +M: megaraidlinux@lsi.com S: linux-scsi@vger.kernel.org W: http://megaraid.lsilogic.com S: Maintained @@ -2380,6 +2392,13 @@ M: stelian@popies.net W: http://popies.net/meye/ S: Maintained +MOTOROLA IMX MMC/SD HOST CONTROLLER INTERFACE DRIVER +P: Pavel Pisa +M: ppisa@pikron.com +L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only) +W: http://mmc.drzeus.cx/wiki/Controllers/Freescale/SDHC +S: Maintained + MOUSE AND MISC DEVICES [GENERAL] P: Alessandro Rubini M: rubini@ipvvis.unipv.it @@ -2900,6 +2919,9 @@ M: nico@cam.org L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only) S: Maintained +PXA MMCI DRIVER +S: Orphan + QLOGIC QLA2XXX FC-SCSI DRIVER P: Andrew Vasquez M: linux-driver@qlogic.com @@ -3416,6 +3438,13 @@ P: Alex Dubov M: oakad@yahoo.com S: Maintained +TI OMAP MMC INTERFACE DRIVER +P: Carlos Aguiar, Anderson Briglia and Syed Khasim +M: linux-omap-open-source@linux.omap.com +W: http://linux.omap.com +W: http://www.muru.com/linux/omap/ +S: Maintained + TI OMAP RANDOM NUMBER GENERATOR SUPPORT P: Deepak Saxena M: dsaxena@plexity.net @@ -1,8 +1,8 @@ VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 22 -EXTRAVERSION = -rc2 -NAME = Nocturnal Monster Puppy +EXTRAVERSION = -rc3 +NAME = Jeff Thinks I Should Change This, But To What? # *DOCUMENTATION* # To see a list of typical targets execute "make help" diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index c2d54b802232..8770a5d0b143 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -891,7 +891,7 @@ config PHYSICAL_ALIGN Don't change this unless you know what you are doing. config HOTPLUG_CPU - bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" + bool "Support for suspend on SMP and hot-pluggable CPUs (EXPERIMENTAL)" depends on SMP && HOTPLUG && EXPERIMENTAL && !X86_VOYAGER ---help--- Say Y here to experiment with turning CPUs off and on, and to diff --git a/arch/i386/mach-generic/bigsmp.c b/arch/i386/mach-generic/bigsmp.c index e932d3485ae2..58a477baec30 100644 --- a/arch/i386/mach-generic/bigsmp.c +++ b/arch/i386/mach-generic/bigsmp.c @@ -21,7 +21,7 @@ static int dmi_bigsmp; /* can be set by dmi scanners */ -static __init int hp_ht_bigsmp(struct dmi_system_id *d) +static int hp_ht_bigsmp(struct dmi_system_id *d) { #ifdef CONFIG_X86_GENERICARCH printk(KERN_NOTICE "%s detected: force use of apic=bigsmp\n", d->ident); @@ -31,7 +31,7 @@ static __init int hp_ht_bigsmp(struct dmi_system_id *d) } -static struct dmi_system_id __initdata bigsmp_dmi_table[] = { +static struct dmi_system_id bigsmp_dmi_table[] = { { hp_ht_bigsmp, "HP ProLiant DL760 G2", { DMI_MATCH(DMI_BIOS_VENDOR, "HP"), DMI_MATCH(DMI_BIOS_VERSION, "P44-"), @@ -45,7 +45,7 @@ static struct dmi_system_id __initdata bigsmp_dmi_table[] = { }; -static int __init probe_bigsmp(void) +static int probe_bigsmp(void) { if (def_to_bigsmp) dmi_bigsmp = 1; diff --git a/arch/ia64/kernel/acpi-processor.c b/arch/ia64/kernel/acpi-processor.c index 4d4993a47e55..5a216c019924 100644 --- a/arch/ia64/kernel/acpi-processor.c +++ b/arch/ia64/kernel/acpi-processor.c @@ -44,7 +44,7 @@ static void init_intel_pdc(struct acpi_processor *pr) buf[0] = ACPI_PDC_REVISION_ID; buf[1] = 1; - buf[2] |= ACPI_PDC_EST_CAPABILITY_SMP; + buf[2] = ACPI_PDC_EST_CAPABILITY_SMP; obj->type = ACPI_TYPE_BUFFER; obj->buffer.length = 12; diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c index c4784494970e..103dd8edda71 100644 --- a/arch/ia64/kernel/acpi.c +++ b/arch/ia64/kernel/acpi.c @@ -67,7 +67,8 @@ EXPORT_SYMBOL(pm_power_off); unsigned int acpi_cpei_override; unsigned int acpi_cpei_phys_cpuid; -const char *acpi_get_sysname(void) +const char __init * +acpi_get_sysname(void) { #ifdef CONFIG_IA64_GENERIC unsigned long rsdp_phys; diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index d1c3ed9943e5..af73b8dfde28 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -763,6 +763,9 @@ get_wchan (struct task_struct *p) unsigned long ip; int count = 0; + if (!p || p == current || p->state == TASK_RUNNING) + return 0; + /* * Note: p may not be a blocked task (it could be current or * another process running on some other CPU. Rather than @@ -773,6 +776,8 @@ get_wchan (struct task_struct *p) */ unw_init_from_blocked_task(&info, p); do { + if (p->state == TASK_RUNNING) + return 0; if (unw_unwind(&info) < 0) return 0; unw_get_ip(&info, &ip); diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c index 542958079f1b..3c9d8e6089cf 100644 --- a/arch/ia64/kernel/smpboot.c +++ b/arch/ia64/kernel/smpboot.c @@ -370,7 +370,7 @@ smp_setup_percpu_timer (void) { } -static void __devinit +static void __cpuinit smp_callin (void) { int cpuid, phys_id, itc_master; @@ -456,7 +456,7 @@ smp_callin (void) /* * Activate a secondary processor. head.S calls this. */ -int __devinit +int __cpuinit start_secondary (void *unused) { /* Early console may use I/O ports */ diff --git a/arch/ia64/kernel/unwind.c b/arch/ia64/kernel/unwind.c index 7d3dd6cdafa4..b0b08b5f3eca 100644 --- a/arch/ia64/kernel/unwind.c +++ b/arch/ia64/kernel/unwind.c @@ -1860,7 +1860,7 @@ int unw_unwind (struct unw_frame_info *info) { unsigned long prev_ip, prev_sp, prev_bsp; - unsigned long ip, pr, num_regs; + unsigned long ip, pr, num_regs, rp_loc, pfs_loc; STAT(unsigned long start, flags;) int retval; @@ -1870,14 +1870,16 @@ unw_unwind (struct unw_frame_info *info) prev_sp = info->sp; prev_bsp = info->bsp; - /* restore the ip */ - if (!info->rp_loc) { + /* validate the return IP pointer */ + rp_loc = (unsigned long) info->rp_loc; + if ((rp_loc < info->regstk.limit) || (rp_loc > info->regstk.top)) { /* FIXME: should really be level 0 but it occurs too often. KAO */ UNW_DPRINT(1, "unwind.%s: failed to locate return link (ip=0x%lx)!\n", __FUNCTION__, info->ip); STAT(unw.stat.api.unwind_time += ia64_get_itc() - start; local_irq_restore(flags)); return -1; } + /* restore the ip */ ip = info->ip = *info->rp_loc; if (ip < GATE_ADDR) { UNW_DPRINT(2, "unwind.%s: reached user-space (ip=0x%lx)\n", __FUNCTION__, ip); @@ -1885,12 +1887,14 @@ unw_unwind (struct unw_frame_info *info) return -1; } - /* restore the cfm: */ - if (!info->pfs_loc) { + /* validate the previous stack frame pointer */ + pfs_loc = (unsigned long) info->pfs_loc; + if ((pfs_loc < info->regstk.limit) || (pfs_loc > info->regstk.top)) { UNW_DPRINT(0, "unwind.%s: failed to locate ar.pfs!\n", __FUNCTION__); STAT(unw.stat.api.unwind_time += ia64_get_itc() - start; local_irq_restore(flags)); return -1; } + /* restore the cfm: */ info->cfm_loc = info->pfs_loc; /* restore the bsp: */ @@ -1992,13 +1996,16 @@ init_frame_info (struct unw_frame_info *info, struct task_struct *t, memset(info, 0, sizeof(*info)); rbslimit = (unsigned long) t + IA64_RBS_OFFSET; + stklimit = (unsigned long) t + IA64_STK_OFFSET; + rbstop = sw->ar_bspstore; - if (rbstop - (unsigned long) t >= IA64_STK_OFFSET) + if (rbstop > stklimit || rbstop < rbslimit) rbstop = rbslimit; - stklimit = (unsigned long) t + IA64_STK_OFFSET; if (stktop <= rbstop) stktop = rbstop; + if (stktop > stklimit) + stktop = stklimit; info->regstk.limit = rbslimit; info->regstk.top = rbstop; diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c index 3549f3b42592..73696b4a2eed 100644 --- a/arch/ia64/pci/pci.c +++ b/arch/ia64/pci/pci.c @@ -354,10 +354,13 @@ pci_acpi_scan_root(struct acpi_device *device, int domain, int bus) acpi_walk_resources(device->handle, METHOD_NAME__CRS, count_window, &windows); - controller->window = kmalloc_node(sizeof(*controller->window) * windows, - GFP_KERNEL, controller->node); - if (!controller->window) - goto out2; + if (windows) { + controller->window = + kmalloc_node(sizeof(*controller->window) * windows, + GFP_KERNEL, controller->node); + if (!controller->window) + goto out2; + } name = kmalloc(16, GFP_KERNEL); if (!name) diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c index a574fcd163dd..684b1c984a44 100644 --- a/arch/ia64/sn/kernel/setup.c +++ b/arch/ia64/sn/kernel/setup.c @@ -194,7 +194,7 @@ void __init early_sn_setup(void) } extern int platform_intr_list[]; -static int __initdata shub_1_1_found; +static int __cpuinitdata shub_1_1_found; /* * sn_check_for_wars diff --git a/arch/mips/sgi-ip32/Makefile b/arch/mips/sgi-ip32/Makefile index 7e1416768a60..60f0227425e7 100644 --- a/arch/mips/sgi-ip32/Makefile +++ b/arch/mips/sgi-ip32/Makefile @@ -3,5 +3,5 @@ # under Linux. # -obj-y += ip32-berr.o ip32-irq.o ip32-setup.o ip32-reset.o \ +obj-y += ip32-berr.o ip32-irq.o ip32-platform.o ip32-setup.o ip32-reset.o \ crime.o ip32-memory.o diff --git a/arch/mips/sgi-ip32/ip32-platform.c b/arch/mips/sgi-ip32/ip32-platform.c new file mode 100644 index 000000000000..120b15932caf --- /dev/null +++ b/arch/mips/sgi-ip32/ip32-platform.c @@ -0,0 +1,20 @@ +#include <linux/init.h> +#include <linux/platform_device.h> + +static __init int meth_devinit(void) +{ + struct platform_device *pd; + int ret; + + pd = platform_device_alloc("meth", -1); + if (!pd) + return -ENOMEM; + + ret = platform_device_add(pd); + if (ret) + platform_device_put(pd); + + return ret; +} + +device_initcall(meth_devinit); diff --git a/arch/sh/boards/landisk/gio.c b/arch/sh/boards/landisk/gio.c index 50d38be62f01..a37643d002b2 100644 --- a/arch/sh/boards/landisk/gio.c +++ b/arch/sh/boards/landisk/gio.c @@ -69,7 +69,7 @@ static int gio_ioctl(struct inode *inode, struct file *filp, } switch (cmd) { - case GIODRV_IOCSGIOSETADDR: /* addres set */ + case GIODRV_IOCSGIOSETADDR: /* address set */ addr = data; break; diff --git a/arch/sh/boards/landisk/setup.c b/arch/sh/boards/landisk/setup.c index 4058b4f50d44..f953c7427769 100644 --- a/arch/sh/boards/landisk/setup.c +++ b/arch/sh/boards/landisk/setup.c @@ -44,8 +44,14 @@ static struct platform_device cf_ide_device = { }, }; +static struct platform_device rtc_device = { + .name = "rs5c313", + .id = -1, +}; + static struct platform_device *landisk_devices[] __initdata = { &cf_ide_device, + &rtc_device, }; static int __init landisk_devices_setup(void) diff --git a/arch/sh/boards/renesas/r7780rp/Makefile b/arch/sh/boards/renesas/r7780rp/Makefile index 609e5d50dde8..b1d20afb4eb3 100644 --- a/arch/sh/boards/renesas/r7780rp/Makefile +++ b/arch/sh/boards/renesas/r7780rp/Makefile @@ -3,5 +3,8 @@ # irqinit-y := irq-r7780rp.o irqinit-$(CONFIG_SH_R7785RP) := irq-r7785rp.o +obj-y := setup.o irq.o $(irqinit-y) + +ifneq ($(CONFIG_SH_R7785RP),y) obj-$(CONFIG_PUSH_SWITCH) += psw.o -obj-y := setup.o irq.o $(irqinit-y) +endif diff --git a/arch/sh/boards/snapgear/rtc.c b/arch/sh/boards/snapgear/rtc.c index 1659fdd6695a..edb3dd936cbb 100644 --- a/arch/sh/boards/snapgear/rtc.c +++ b/arch/sh/boards/snapgear/rtc.c @@ -108,7 +108,7 @@ static void ds1302_writebyte(unsigned int addr, unsigned int val) static void ds1302_reset(void) { unsigned long flags; - /* Hardware dependant reset/init */ + /* Hardware dependent reset/init */ local_irq_save(flags); set_dirp(get_dirp() | RTC_RESET | RTC_IODATA | RTC_SCLK); set_dp(get_dp() & ~(RTC_RESET | RTC_IODATA | RTC_SCLK)); diff --git a/arch/sh/boards/superh/microdev/io.c b/arch/sh/boards/superh/microdev/io.c index 83419bf4c834..b704e20d7e4d 100644 --- a/arch/sh/boards/superh/microdev/io.c +++ b/arch/sh/boards/superh/microdev/io.c @@ -198,12 +198,12 @@ void microdev_outb(unsigned char b, unsigned long port) /* * There is a board feature with the current SH4-202 MicroDev in * that the 2 byte enables (nBE0 and nBE1) are tied together (and - * to the Chip Select Line (Ethernet_CS)). Due to this conectivity, + * to the Chip Select Line (Ethernet_CS)). Due to this connectivity, * it is not possible to safely perform 8-bit writes to the * Ethernet registers, as 16-bits will be consumed from the Data * lines (corrupting the other byte). Hence, this function is - * written to impliment 16-bit read/modify/write for all byte-wide - * acceses. + * written to implement 16-bit read/modify/write for all byte-wide + * accesses. * * Note: there is no problem with byte READS (even or odd). * diff --git a/arch/sh/boards/superh/microdev/irq.c b/arch/sh/boards/superh/microdev/irq.c index 8c64baa30364..cc1cb04fa618 100644 --- a/arch/sh/boards/superh/microdev/irq.c +++ b/arch/sh/boards/superh/microdev/irq.c @@ -100,7 +100,7 @@ static void disable_microdev_irq(unsigned int irq) fpgaIrq = fpgaIrqTable[irq].fpgaIrq; - /* disable interupts on the FPGA INTC register */ + /* disable interrupts on the FPGA INTC register */ ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTDSB_REG); } @@ -125,7 +125,7 @@ static void enable_microdev_irq(unsigned int irq) priorities |= MICRODEV_FPGA_INTPRI_LEVEL(fpgaIrq, pri); ctrl_outl(priorities, priorityReg); - /* enable interupts on the FPGA INTC register */ + /* enable interrupts on the FPGA INTC register */ ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTENB_REG); } @@ -152,7 +152,7 @@ extern void __init init_microdev_irq(void) { int i; - /* disable interupts on the FPGA INTC register */ + /* disable interrupts on the FPGA INTC register */ ctrl_outl(~0ul, MICRODEV_FPGA_INTDSB_REG); for (i = 0; i < NUM_EXTERNAL_IRQS; i++) diff --git a/arch/sh/boards/superh/microdev/setup.c b/arch/sh/boards/superh/microdev/setup.c index 031c814e6e76..6396cea1c896 100644 --- a/arch/sh/boards/superh/microdev/setup.c +++ b/arch/sh/boards/superh/microdev/setup.c @@ -349,7 +349,7 @@ static int __init smsc_superio_setup(void) SMSC_WRITE_INDEXED(0x00, 0xc7); /* GP47 = nIOWOP */ SMSC_WRITE_INDEXED(0x08, 0xe8); /* GP20 = nIDE2_OE */ - /* Exit the configuraton state */ + /* Exit the configuration state */ outb(SMSC_EXIT_CONFIG_KEY, SMSC_CONFIG_PORT_ADDR); return 0; diff --git a/arch/sh/boards/unknown/setup.c b/arch/sh/boards/unknown/setup.c index 1c941370a2e3..bee4612de59b 100644 --- a/arch/sh/boards/unknown/setup.c +++ b/arch/sh/boards/unknown/setup.c @@ -6,7 +6,7 @@ * May be copied or modified under the terms of the GNU General Public * License. See linux/COPYING for more information. * - * Setup code for an unknown machine (internal peripherials only) + * Setup code for an unknown machine (internal peripherals only) * * This is the simplest of all boards, and serves only as a quick and dirty * method to start debugging a new board during bring-up until proper board diff --git a/arch/sh/drivers/dma/dma-api.c b/arch/sh/drivers/dma/dma-api.c index e062067edd24..8057a27a1bc6 100644 --- a/arch/sh/drivers/dma/dma-api.c +++ b/arch/sh/drivers/dma/dma-api.c @@ -115,7 +115,7 @@ static int search_cap(const char **haystack, const char *needle) /** * request_dma_bycap - Allocate a DMA channel based on its capabilities * @dmac: List of DMA controllers to search - * @caps: List of capabilites + * @caps: List of capabilities * * Search all channels of all DMA controllers to find a channel which * matches the requested capabilities. The result is the channel diff --git a/arch/sh/drivers/dma/dma-isa.c b/arch/sh/drivers/dma/dma-isa.c index 05a74ffdb68d..5fb044b791c3 100644 --- a/arch/sh/drivers/dma/dma-isa.c +++ b/arch/sh/drivers/dma/dma-isa.c @@ -28,7 +28,7 @@ * NOTE: ops->xfer() is the preferred way of doing things. However, there * are some users of the ISA DMA API that exist in common code that we * don't necessarily want to go out of our way to break, so we still - * allow for some compatability at that level. Any new code is strongly + * allow for some compatibility at that level. Any new code is strongly * advised to run far away from the ISA DMA API and use the SH DMA API * directly. */ diff --git a/arch/sh/drivers/dma/dmabrg.c b/arch/sh/drivers/dma/dmabrg.c index 9d0a29370f21..5e22689c2fcf 100644 --- a/arch/sh/drivers/dma/dmabrg.c +++ b/arch/sh/drivers/dma/dmabrg.c @@ -33,7 +33,7 @@ * 9 | HAC1/SSI1 | rec | half done | DMABRGI2 * * all can be enabled/disabled in the DMABRGCR register, - * as well as checked if they occured. + * as well as checked if they occurred. * * DMABRGI0 services USB DMA Address errors, but it still must be * enabled/acked in the DMABRGCR register. USB-DMA complete indicator diff --git a/arch/sh/drivers/pci/ops-dreamcast.c b/arch/sh/drivers/pci/ops-dreamcast.c index 381306cf5425..e1284fc69361 100644 --- a/arch/sh/drivers/pci/ops-dreamcast.c +++ b/arch/sh/drivers/pci/ops-dreamcast.c @@ -57,7 +57,7 @@ struct pci_channel board_pci_channels[] = { * * Also, we could very easily support both Type 0 and Type 1 configurations * here, but since it doesn't seem that there is any such implementation in - * existance, we don't bother. + * existence, we don't bother. * * I suppose if someone actually gets around to ripping the chip out of * the BBA and hanging some more devices off of it, then this might be diff --git a/arch/sh/drivers/pci/pci-st40.c b/arch/sh/drivers/pci/pci-st40.c index d67656a44b15..543417ff8314 100644 --- a/arch/sh/drivers/pci/pci-st40.c +++ b/arch/sh/drivers/pci/pci-st40.c @@ -292,7 +292,7 @@ int __init st40pci_init(unsigned memStart, unsigned memSize) PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_IO); - /* Accesse to the 0xb0000000 -> 0xb6000000 area will go through to 0x10000000 -> 0x16000000 + /* Access to the 0xb0000000 -> 0xb6000000 area will go through to 0x10000000 -> 0x16000000 * on the PCI bus. This allows a nice 1-1 bus to phys mapping. */ @@ -315,7 +315,7 @@ int __init st40pci_init(unsigned memStart, unsigned memSize) ST40PCI_WRITE(CSR_MBAR0, 0); ST40PCI_WRITE(LSR0, 0x0fff0001); - /* ... and set up the initial incomming window to expose all of RAM */ + /* ... and set up the initial incoming window to expose all of RAM */ pci_set_rbar_region(7, memStart, memStart, memSize); /* Maximise timeout values */ @@ -473,7 +473,7 @@ static void pci_set_rbar_region(unsigned int region, unsigned long localAddr mask = r2p2(regionSize) - 0x10000; - /* Diable the region (in case currently in use, should never happen) */ + /* Disable the region (in case currently in use, should never happen) */ ST40PCI_WRITE_INDEXED(RSR, region, 0); /* Start of local address space to publish */ diff --git a/arch/sh/drivers/pci/pci-st40.h b/arch/sh/drivers/pci/pci-st40.h index d729e0c2d5fe..cf0d35bd135c 100644 --- a/arch/sh/drivers/pci/pci-st40.h +++ b/arch/sh/drivers/pci/pci-st40.h @@ -4,7 +4,7 @@ * May be copied or modified under the terms of the GNU General Public * License. See linux/COPYING for more information. * - * Defintions for the ST40 PCI hardware. + * Definitions for the ST40 PCI hardware. */ #ifndef __PCI_ST40_H__ diff --git a/arch/sh/drivers/superhyway/ops-sh4-202.c b/arch/sh/drivers/superhyway/ops-sh4-202.c index a55c98a9052b..3b14bf860db6 100644 --- a/arch/sh/drivers/superhyway/ops-sh4-202.c +++ b/arch/sh/drivers/superhyway/ops-sh4-202.c @@ -130,7 +130,7 @@ static int sh4202_read_vcr(unsigned long base, struct superhyway_vcr_info *vcr) * Some modules (PBR and ePBR for instance) also appear to have * VCRL/VCRH flipped in the documentation, but on the SH4-202 * itself it appears that these are all consistently mapped with - * VCRH preceeding VCRL. + * VCRH preceding VCRL. * * Do not trust the documentation, for it is evil. */ diff --git a/arch/sh/kernel/cf-enabler.c b/arch/sh/kernel/cf-enabler.c index 0758d48147a0..849a9e191391 100644 --- a/arch/sh/kernel/cf-enabler.c +++ b/arch/sh/kernel/cf-enabler.c @@ -31,7 +31,7 @@ */ #if defined(CONFIG_CPU_SH4) /* SH4 can't access PCMCIA interface through P2 area. - * we must remap it with appropreate attribute bit of the page set. + * we must remap it with appropriate attribute bit of the page set. * this part is based on Greg Banks' hd64465_ss.c implementation - Masahiro Abe */ #if defined(CONFIG_CF_AREA6) diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c index 014f318f5a05..63251549e9a8 100644 --- a/arch/sh/kernel/cpu/clock.c +++ b/arch/sh/kernel/cpu/clock.c @@ -278,6 +278,11 @@ arch_init_clk_ops(struct clk_ops **ops, int type) { } +void __init __attribute__ ((weak)) +arch_clk_init(void) +{ +} + static int show_clocks(char *buf, char **start, off_t off, int len, int *eof, void *data) { @@ -314,6 +319,8 @@ int __init clk_init(void) ret |= clk_register(clk); } + arch_clk_init(); + /* Kick the child clocks.. */ propagate_rate(&master_clk); propagate_rate(&bus_clk); diff --git a/arch/sh/kernel/cpu/irq/maskreg.c b/arch/sh/kernel/cpu/irq/maskreg.c index 492db31b3cab..978992e367a5 100644 --- a/arch/sh/kernel/cpu/irq/maskreg.c +++ b/arch/sh/kernel/cpu/irq/maskreg.c @@ -38,7 +38,7 @@ static struct hw_interrupt_type maskreg_irq_type = { .end = end_maskreg_irq }; -/* actual implementatin */ +/* actual implementation */ static unsigned int startup_maskreg_irq(unsigned int irq) { enable_maskreg_irq(irq); diff --git a/arch/sh/kernel/cpu/sh4/fpu.c b/arch/sh/kernel/cpu/sh4/fpu.c index d61dd599169f..c5a4fc77fa06 100644 --- a/arch/sh/kernel/cpu/sh4/fpu.c +++ b/arch/sh/kernel/cpu/sh4/fpu.c @@ -138,7 +138,7 @@ restore_fpu(struct task_struct *tsk) /* * Load the FPU with signalling NANS. This bit pattern we're using * has the property that no matter wether considered as single or as - * double precission represents signaling NANS. + * double precision represents signaling NANS. */ static void diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7750.c b/arch/sh/kernel/cpu/sh4/setup-sh7750.c index 6f8f458912c7..03b14cf78ddf 100644 --- a/arch/sh/kernel/cpu/sh4/setup-sh7750.c +++ b/arch/sh/kernel/cpu/sh4/setup-sh7750.c @@ -106,6 +106,7 @@ static struct ipr_data sh7750_ipr_map[] = { { 38, 2, 8, 7 }, /* DMAC DMAE */ }; +#ifdef CONFIG_CPU_SUBTYPE_SH7751 static struct ipr_data sh7751_ipr_map[] = { { 44, 2, 8, 7 }, /* DMAC DMTE4 */ { 45, 2, 8, 7 }, /* DMAC DMTE5 */ @@ -117,6 +118,7 @@ static struct ipr_data sh7751_ipr_map[] = { /*{ 72, INTPRI00, 8, ? },*/ /* TMU3 TUNI */ /*{ 76, INTPRI00, 12, ? },*/ /* TMU4 TUNI */ }; +#endif static unsigned long ipr_offsets[] = { 0xffd00004UL, /* 0: IPRA */ diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c index 29090035bc5b..51b386d454de 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c @@ -17,7 +17,6 @@ #include <asm/clock.h> #include <asm/freq.h> -#define SH7722_PLL_FREQ (32000000/8) #define N (-1) #define NM (-2) #define ROUND_NEAREST 0 @@ -141,28 +140,36 @@ static void adjust_clocks(int originate, int *l, unsigned long v[], */ static int divisors2[] = { 2, 3, 4, 5, 6, 8, 10, 12, 16, 20, 24, 32, 40 }; +static void master_clk_recalc(struct clk *clk) +{ + unsigned frqcr = ctrl_inl(FRQCR); + + clk->rate = CONFIG_SH_PCLK_FREQ * (((frqcr >> 24) & 0x1f) + 1); +} + static void master_clk_init(struct clk *clk) { - clk_set_rate(clk, clk_get_rate(clk)); + clk->parent = NULL; + clk->flags |= CLK_RATE_PROPAGATES; + clk->rate = CONFIG_SH_PCLK_FREQ; + master_clk_recalc(clk); } -static void master_clk_recalc(struct clk *clk) + +static void module_clk_recalc(struct clk *clk) { unsigned long frqcr = ctrl_inl(FRQCR); - clk->rate = CONFIG_SH_PCLK_FREQ * (1 + (frqcr >> 24 & 0xF)); + clk->rate = clk->parent->rate / (((frqcr >> 24) & 0x1f) + 1); } static int master_clk_setrate(struct clk *clk, unsigned long rate, int id) { - int div = rate / SH7722_PLL_FREQ; + int div = rate / clk->rate; int master_divs[] = { 2, 3, 4, 6, 8, 16 }; int index; unsigned long frqcr; - if (rate < SH7722_PLL_FREQ * 2) - return -EINVAL; - for (index = 1; index < ARRAY_SIZE(master_divs); index++) if (div >= master_divs[index - 1] && div < master_divs[index]) break; @@ -185,6 +192,10 @@ static struct clk_ops sh7722_master_clk_ops = { .set_rate = master_clk_setrate, }; +static struct clk_ops sh7722_module_clk_ops = { + .recalc = module_clk_recalc, +}; + struct frqcr_context { unsigned mask; unsigned shift; @@ -489,7 +500,7 @@ static void sh7722_siu_recalc(struct clk *clk) if (siu < 0) return /* siu */ ; - BUG_ON(siu > 1); + BUG_ON(siu > 2); r = ctrl_inl(sh7722_siu_regs[siu]); clk->rate = clk->parent->rate * 2 / divisors2[r & 0xF]; } @@ -571,7 +582,7 @@ static struct clk *sh7722_clocks[] = { */ struct clk_ops *onchip_ops[] = { &sh7722_master_clk_ops, - &sh7722_frqcr_clk_ops, + &sh7722_module_clk_ops, &sh7722_frqcr_clk_ops, &sh7722_frqcr_clk_ops, }; @@ -583,7 +594,7 @@ arch_init_clk_ops(struct clk_ops **ops, int type) *ops = onchip_ops[type]; } -int __init sh7722_clock_init(void) +int __init arch_clk_init(void) { struct clk *master; int i; @@ -597,4 +608,3 @@ int __init sh7722_clock_init(void) clk_put(master); return 0; } -arch_initcall(sh7722_clock_init); diff --git a/arch/sh/kernel/kgdb_stub.c b/arch/sh/kernel/kgdb_stub.c index a5323364cbca..edd1ec214e6d 100644 --- a/arch/sh/kernel/kgdb_stub.c +++ b/arch/sh/kernel/kgdb_stub.c @@ -2,7 +2,7 @@ * May be copied or modified under the terms of the GNU General Public * License. See linux/COPYING for more information. * - * Containes extracts from code by Glenn Engel, Jim Kingdon, + * Contains extracts from code by Glenn Engel, Jim Kingdon, * David Grothe <dave@gcom.com>, Tigran Aivazian <tigran@sco.com>, * Amit S. Kale <akale@veritas.com>, William Gatliff <bgat@open-widgets.com>, * Ben Lee, Steve Chamberlain and Benoit Miller <fulg@iname.com>. @@ -85,7 +85,7 @@ * * Responses can be run-length encoded to save space. A '*' means that * the next character is an ASCII encoding giving a repeat count which - * stands for that many repititions of the character preceding the '*'. + * stands for that many repetitions of the character preceding the '*'. * The encoding is n+29, yielding a printable character where n >=3 * (which is where RLE starts to win). Don't use an n > 126. * diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c index 6b4f5748d0be..a11e2aa73cbc 100644 --- a/arch/sh/kernel/process.c +++ b/arch/sh/kernel/process.c @@ -26,8 +26,6 @@ static int hlt_counter; int ubc_usercnt = 0; -#define HARD_IDLE_TIMEOUT (HZ / 3) - void (*pm_idle)(void); void (*pm_power_off)(void); EXPORT_SYMBOL(pm_power_off); @@ -44,16 +42,39 @@ void enable_hlt(void) } EXPORT_SYMBOL(enable_hlt); +static int __init nohlt_setup(char *__unused) +{ + hlt_counter = 1; + return 1; +} +__setup("nohlt", nohlt_setup); + +static int __init hlt_setup(char *__unused) +{ + hlt_counter = 0; + return 1; +} +__setup("hlt", hlt_setup); + void default_idle(void) { - if (!hlt_counter) - cpu_sleep(); - else - cpu_relax(); + if (!hlt_counter) { + clear_thread_flag(TIF_POLLING_NRFLAG); + smp_mb__after_clear_bit(); + set_bl_bit(); + while (!need_resched()) + cpu_sleep(); + clear_bl_bit(); + set_thread_flag(TIF_POLLING_NRFLAG); + } else + while (!need_resched()) + cpu_relax(); } void cpu_idle(void) { + set_thread_flag(TIF_POLLING_NRFLAG); + /* endless idle loop with no priority at all */ while (1) { void (*idle)(void) = pm_idle; diff --git a/arch/sh/kernel/syscalls.S b/arch/sh/kernel/syscalls.S index 4357d1a6358f..7db1c2dc5992 100644 --- a/arch/sh/kernel/syscalls.S +++ b/arch/sh/kernel/syscalls.S @@ -355,3 +355,6 @@ ENTRY(sys_call_table) .long sys_getcpu .long sys_epoll_pwait .long sys_utimensat /* 320 */ + .long sys_signalfd + .long sys_timerfd + .long sys_eventfd diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c index 3a197649cd83..5b75cb6f8f9b 100644 --- a/arch/sh/kernel/traps.c +++ b/arch/sh/kernel/traps.c @@ -21,6 +21,7 @@ #include <linux/bug.h> #include <linux/debug_locks.h> #include <linux/kdebug.h> +#include <linux/kexec.h> #include <linux/limits.h> #include <asm/system.h> #include <asm/uaccess.h> @@ -101,6 +102,16 @@ void die(const char * str, struct pt_regs * regs, long err) bust_spinlocks(0); spin_unlock_irq(&die_lock); + + if (kexec_should_crash(current)) + crash_kexec(regs); + + if (in_interrupt()) + panic("Fatal exception in interrupt"); + + if (panic_on_oops) + panic("Fatal exception"); + do_exit(SIGSEGV); } @@ -513,7 +524,7 @@ static int handle_unaligned_access(u16 instruction, struct pt_regs *regs) * misaligned data access * access to >= 0x80000000 is user mode * Unfortuntaly we can't distinguish between instruction address error - * and data address errors caused by read acceses. + * and data address errors caused by read accesses. */ asmlinkage void do_address_error(struct pt_regs *regs, unsigned long writeaccess, diff --git a/arch/sh/math-emu/math.c b/arch/sh/math-emu/math.c index 1efbac15ff4e..a38e1eed9e77 100644 --- a/arch/sh/math-emu/math.c +++ b/arch/sh/math-emu/math.c @@ -148,7 +148,7 @@ fmac(struct sh_fpu_soft_struct *fregs, struct pt_regs *regs, int m, int n) return 0; } -// to process fmov's extention (odd n for DR access XD). +// to process fmov's extension (odd n for DR access XD). #define FMOV_EXT(x) if(x&1) x+=16-1 static int diff --git a/arch/sh/mm/copy_page.S b/arch/sh/mm/copy_page.S index 397c94c97315..ae039f2da162 100644 --- a/arch/sh/mm/copy_page.S +++ b/arch/sh/mm/copy_page.S @@ -129,6 +129,7 @@ ENTRY(__copy_user_page) rts nop #endif + .align 2 .Lpsz: .long PAGE_SIZE /* * __kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n); diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c index 9207da67ff8a..c878faa4ae46 100644 --- a/arch/sh/mm/fault.c +++ b/arch/sh/mm/fault.c @@ -15,43 +15,11 @@ #include <linux/mm.h> #include <linux/hardirq.h> #include <linux/kprobes.h> -#include <linux/kdebug.h> #include <asm/system.h> #include <asm/mmu_context.h> #include <asm/tlbflush.h> #include <asm/kgdb.h> -#ifdef CONFIG_KPROBES -ATOMIC_NOTIFIER_HEAD(notify_page_fault_chain); - -/* Hook to register for page fault notifications */ -int register_page_fault_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_register(¬ify_page_fault_chain, nb); -} - -int unregister_page_fault_notifier(struct notifier_block *nb) -{ - return atomic_notifier_chain_unregister(¬ify_page_fault_chain, nb); -} - -static inline int notify_page_fault(enum die_val val, struct pt_regs *regs, - int trap, int sig) -{ - struct die_args args = { - .regs = regs, - .trapnr = trap, - }; - return atomic_notifier_call_chain(¬ify_page_fault_chain, val, &args); -} -#else -static inline int notify_page_fault(enum die_val val, struct pt_regs *regs, - int trap, int sig) -{ - return NOTIFY_DONE; -} -#endif - /* * This routine handles page faults. It determines the address, * and the problem, and then passes it off to one of the appropriate @@ -69,11 +37,6 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs, siginfo_t info; trace_hardirqs_on(); - - if (notify_page_fault(DIE_PAGE_FAULT, regs, - writeaccess, SIGSEGV) == NOTIFY_STOP) - return; - local_irq_enable(); #ifdef CONFIG_SH_KGDB @@ -285,7 +248,7 @@ asmlinkage int __kprobes __do_page_fault(struct pt_regs *regs, pte_t *pte; pte_t entry; struct mm_struct *mm = current->mm; - spinlock_t *ptl; + spinlock_t *ptl = NULL; int ret = 1; #ifdef CONFIG_SH_KGDB diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 8fe223a890ed..e0e644ff3204 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -12,6 +12,7 @@ #include <linux/init.h> #include <linux/bootmem.h> #include <linux/proc_fs.h> +#include <linux/pagemap.h> #include <linux/percpu.h> #include <linux/io.h> #include <asm/mmu_context.h> @@ -112,7 +113,7 @@ static void set_pte_phys(unsigned long addr, unsigned long phys, pgprot_t prot) * As a performance optimization, other platforms preserve the fixmap mapping * across a context switch, we don't presently do this, but this could be done * in a similar fashion as to the wired TLB interface that sh64 uses (by way - * of the memorry mapped UTLB configuration) -- this unfortunately forces us to + * of the memory mapped UTLB configuration) -- this unfortunately forces us to * give up a TLB entry for each mapping we want to preserve. While this may be * viable for a small number of fixmaps, it's not particularly useful for * everything and needs to be carefully evaluated. (ie, we may want this for diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c index 02aae06527dc..b6a5a338145b 100644 --- a/arch/sh/mm/pmb.c +++ b/arch/sh/mm/pmb.c @@ -3,7 +3,7 @@ * * Privileged Space Mapping Buffer (PMB) Support. * - * Copyright (C) 2005, 2006 Paul Mundt + * Copyright (C) 2005, 2006, 2007 Paul Mundt * * P1/P2 Section mapping definitions from map32.h, which was: * @@ -68,6 +68,32 @@ static inline unsigned long mk_pmb_data(unsigned int entry) return mk_pmb_entry(entry) | PMB_DATA; } +static DEFINE_SPINLOCK(pmb_list_lock); +static struct pmb_entry *pmb_list; + +static inline void pmb_list_add(struct pmb_entry *pmbe) +{ + struct pmb_entry **p, *tmp; + + p = &pmb_list; + while ((tmp = *p) != NULL) + p = &tmp->next; + + pmbe->next = tmp; + *p = pmbe; +} + +static inline void pmb_list_del(struct pmb_entry *pmbe) +{ + struct pmb_entry **p, *tmp; + + for (p = &pmb_list; (tmp = *p); p = &tmp->next) + if (tmp == pmbe) { + *p = tmp->next; + return; + } +} + struct pmb_entry *pmb_alloc(unsigned long vpn, unsigned long ppn, unsigned long flags) { @@ -81,11 +107,19 @@ struct pmb_entry *pmb_alloc(unsigned long vpn, unsigned long ppn, pmbe->ppn = ppn; pmbe->flags = flags; + spin_lock_irq(&pmb_list_lock); + pmb_list_add(pmbe); + spin_unlock_irq(&pmb_list_lock); + return pmbe; } void pmb_free(struct pmb_entry *pmbe) { + spin_lock_irq(&pmb_list_lock); + pmb_list_del(pmbe); + spin_unlock_irq(&pmb_list_lock); + kmem_cache_free(pmb_cache, pmbe); } @@ -167,31 +201,6 @@ void clear_pmb_entry(struct pmb_entry *pmbe) clear_bit(entry, &pmb_map); } -static DEFINE_SPINLOCK(pmb_list_lock); -static struct pmb_entry *pmb_list; - -static inline void pmb_list_add(struct pmb_entry *pmbe) -{ - struct pmb_entry **p, *tmp; - - p = &pmb_list; - while ((tmp = *p) != NULL) - p = &tmp->next; - - pmbe->next = tmp; - *p = pmbe; -} - -static inline void pmb_list_del(struct pmb_entry *pmbe) -{ - struct pmb_entry **p, *tmp; - - for (p = &pmb_list; (tmp = *p); p = &tmp->next) - if (tmp == pmbe) { - *p = tmp->next; - return; - } -} static struct { unsigned long size; @@ -283,25 +292,14 @@ void pmb_unmap(unsigned long addr) } while (pmbe); } -static void pmb_cache_ctor(void *pmb, struct kmem_cache *cachep, unsigned long flags) +static void pmb_cache_ctor(void *pmb, struct kmem_cache *cachep, + unsigned long flags) { struct pmb_entry *pmbe = pmb; memset(pmb, 0, sizeof(struct pmb_entry)); - spin_lock_irq(&pmb_list_lock); - pmbe->entry = PMB_NO_ENTRY; - pmb_list_add(pmbe); - - spin_unlock_irq(&pmb_list_lock); -} - -static void pmb_cache_dtor(void *pmb, struct kmem_cache *cachep, unsigned long flags) -{ - spin_lock_irq(&pmb_list_lock); - pmb_list_del(pmb); - spin_unlock_irq(&pmb_list_lock); } static int __init pmb_init(void) @@ -312,8 +310,7 @@ static int __init pmb_init(void) BUG_ON(unlikely(nr_entries >= NR_PMB_ENTRIES)); pmb_cache = kmem_cache_create("pmb", sizeof(struct pmb_entry), 0, - SLAB_PANIC, pmb_cache_ctor, - pmb_cache_dtor); + SLAB_PANIC, pmb_cache_ctor, NULL); jump_to_P2(); diff --git a/arch/sh/tools/mach-types b/arch/sh/tools/mach-types index 554f801db67b..fb40f188aff9 100644 --- a/arch/sh/tools/mach-types +++ b/arch/sh/tools/mach-types @@ -7,8 +7,11 @@ # SE SH_SOLUTION_ENGINE 7751SE SH_7751_SOLUTION_ENGINE +7722SE SH_7722_SOLUTION_ENGINE 7300SE SH_7300_SOLUTION_ENGINE 7343SE SH_7343_SOLUTION_ENGINE +7206SE SH_7206_SOLUTION_ENGINE +7619SE SH_7619_SOLUTION_ENGINE 7780SE SH_7780_SOLUTION_ENGINE 73180SE SH_73180_SOLUTION_ENGINE 7751SYSTEMH SH_7751_SYSTEMH @@ -31,5 +34,3 @@ R7785RP SH_R7785RP TITAN SH_TITAN SHMIN SH_SHMIN 7710VOIPGW SH_7710VOIPGW -7206SE SH_7206_SOLUTION_ENGINE -7619SE SH_7619_SOLUTION_ENGINE diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c index 79471f85eb89..3fc13fa8729d 100644 --- a/arch/um/os-Linux/start_up.c +++ b/arch/um/os-Linux/start_up.c @@ -144,9 +144,7 @@ static int stop_ptraced_child(int pid, void *stack, int exitcode, int exit_with = WEXITSTATUS(status); if (exit_with == 2) non_fatal("check_ptrace : child exited with status 2. " - "Serious trouble happening! Try updating " - "your host skas patch!\nDisabling SYSEMU " - "support."); + "\nDisabling SYSEMU support.\n"); non_fatal("check_ptrace : child exited with exitcode %d, while " "expecting %d; status 0x%x\n", exit_with, exitcode, status); @@ -209,6 +207,7 @@ __uml_setup("nosysemu", nosysemu_cmd_param, static void __init check_sysemu(void) { void *stack; + unsigned long regs[MAX_REG_NR]; int pid, n, status, count=0; non_fatal("Checking syscall emulation patch for ptrace..."); @@ -225,11 +224,20 @@ static void __init check_sysemu(void) fatal("check_sysemu : expected SIGTRAP, got status = %d", status); - n = ptrace(PTRACE_POKEUSR, pid, PT_SYSCALL_RET_OFFSET, - os_getpid()); - if(n < 0) - fatal_perror("check_sysemu : failed to modify system call " - "return"); + if(ptrace(PTRACE_GETREGS, pid, 0, regs) < 0) + fatal_perror("check_sysemu : PTRACE_GETREGS failed"); + if(PT_SYSCALL_NR(regs) != __NR_getpid){ + non_fatal("check_sysemu got system call number %d, " + "expected %d...", PT_SYSCALL_NR(regs), __NR_getpid); + goto fail; + } + + n = ptrace(PTRACE_POKEUSR, pid, PT_SYSCALL_RET_OFFSET, os_getpid()); + if(n < 0){ + non_fatal("check_sysemu : failed to modify system call " + "return"); + goto fail; + } if (stop_ptraced_child(pid, stack, 0, 0) < 0) goto fail_stopped; diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig index 145bb824b2a8..5ce94430c019 100644 --- a/arch/x86_64/Kconfig +++ b/arch/x86_64/Kconfig @@ -428,12 +428,15 @@ config NR_CPUS memory in the static kernel configuration. config HOTPLUG_CPU - bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" + bool "Support for suspend on SMP and hot-pluggable CPUs (EXPERIMENTAL)" depends on SMP && HOTPLUG && EXPERIMENTAL help Say Y here to experiment with turning CPUs off and on. CPUs can be controlled through /sys/devices/system/cpu/cpu#. - Say N if you want to disable CPU hotplug. + This is also required for suspend/hibernation on SMP systems. + + Say N if you want to disable CPU hotplug and don't need to + suspend. config ARCH_ENABLE_MEMORY_HOTPLUG def_bool y diff --git a/arch/x86_64/kernel/k8.c b/arch/x86_64/kernel/k8.c index bc11b32e8b4d..7377ccb21335 100644 --- a/arch/x86_64/kernel/k8.c +++ b/arch/x86_64/kernel/k8.c @@ -39,10 +39,10 @@ int cache_k8_northbridges(void) { int i; struct pci_dev *dev; + if (num_k8_northbridges) return 0; - num_k8_northbridges = 0; dev = NULL; while ((dev = next_k8_northbridge(dev)) != NULL) num_k8_northbridges++; @@ -52,6 +52,11 @@ int cache_k8_northbridges(void) if (!k8_northbridges) return -ENOMEM; + if (!num_k8_northbridges) { + k8_northbridges[0] = NULL; + return 0; + } + flush_words = kmalloc(num_k8_northbridges * sizeof(u32), GFP_KERNEL); if (!flush_words) { kfree(k8_northbridges); diff --git a/block/genhd.c b/block/genhd.c index 93a2cf654597..863a8c0623ed 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -423,7 +423,10 @@ static ssize_t disk_size_read(struct gendisk * disk, char *page) { return sprintf(page, "%llu\n", (unsigned long long)get_capacity(disk)); } - +static ssize_t disk_capability_read(struct gendisk *disk, char *page) +{ + return sprintf(page, "%x\n", disk->flags); +} static ssize_t disk_stats_read(struct gendisk * disk, char *page) { preempt_disable(); @@ -466,6 +469,10 @@ static struct disk_attribute disk_attr_size = { .attr = {.name = "size", .mode = S_IRUGO }, .show = disk_size_read }; +static struct disk_attribute disk_attr_capability = { + .attr = {.name = "capability", .mode = S_IRUGO }, + .show = disk_capability_read +}; static struct disk_attribute disk_attr_stat = { .attr = {.name = "stat", .mode = S_IRUGO }, .show = disk_stats_read @@ -506,6 +513,7 @@ static struct attribute * default_attrs[] = { &disk_attr_removable.attr, &disk_attr_size.attr, &disk_attr_stat.attr, + &disk_attr_capability.attr, #ifdef CONFIG_FAIL_MAKE_REQUEST &disk_attr_fail.attr, #endif @@ -688,6 +696,27 @@ struct seq_operations diskstats_op = { .show = diskstats_show }; +static void media_change_notify_thread(struct work_struct *work) +{ + struct gendisk *gd = container_of(work, struct gendisk, async_notify); + char event[] = "MEDIA_CHANGE=1"; + char *envp[] = { event, NULL }; + + /* + * set enviroment vars to indicate which event this is for + * so that user space will know to go check the media status. + */ + kobject_uevent_env(&gd->kobj, KOBJ_CHANGE, envp); + put_device(gd->driverfs_dev); +} + +void genhd_media_change_notify(struct gendisk *disk) +{ + get_device(disk->driverfs_dev); + schedule_work(&disk->async_notify); +} +EXPORT_SYMBOL_GPL(genhd_media_change_notify); + struct gendisk *alloc_disk(int minors) { return alloc_disk_node(minors, -1); @@ -717,6 +746,8 @@ struct gendisk *alloc_disk_node(int minors, int node_id) kobj_set_kset_s(disk,block_subsys); kobject_init(&disk->kobj); rand_initialize_disk(disk); + INIT_WORK(&disk->async_notify, + media_change_notify_thread); } return disk; } diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 0458811010fd..9c07b88631be 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -578,6 +578,7 @@ static const struct ich_laptop ich_laptop[] = { { 0x27DF, 0x0005, 0x0280 }, /* ICH7 on Acer 5602WLMi */ { 0x27DF, 0x1025, 0x0110 }, /* ICH7 on Acer 3682WLMi */ { 0x27DF, 0x1043, 0x1267 }, /* ICH7 on Asus W5F */ + { 0x24CA, 0x1025, 0x0061 }, /* ICH4 on ACER Aspire 2023WLMi */ /* end marker */ { 0, } }; diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index a6de57e02047..3ca9c610c110 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -3022,7 +3022,7 @@ int ata_wait_ready(struct ata_port *ap, unsigned long deadline) if (!(status & ATA_BUSY)) return 0; - if (status == 0xff) + if (!ata_port_online(ap) && status == 0xff) return -ENODEV; if (time_after(now, deadline)) return -EBUSY; @@ -3368,7 +3368,7 @@ int ata_std_prereset(struct ata_port *ap, unsigned long deadline) */ if (!(ap->flags & ATA_FLAG_SKIP_D2H_BSY) && !ata_port_offline(ap)) { rc = ata_wait_ready(ap, deadline); - if (rc) { + if (rc && rc != -ENODEV) { ata_port_printk(ap, KERN_WARNING, "device not ready " "(errno=%d), forcing hardreset\n", rc); ehc->i.action |= ATA_EH_HARDRESET; diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 242c43eef807..b3900cfbd880 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -1050,14 +1050,15 @@ static unsigned int ata_scsi_flush_xlat(struct ata_queued_cmd *qc) static void scsi_6_lba_len(const u8 *cdb, u64 *plba, u32 *plen) { u64 lba = 0; - u32 len = 0; + u32 len; VPRINTK("six-byte command\n"); + lba |= ((u64)(cdb[1] & 0x1f)) << 16; lba |= ((u64)cdb[2]) << 8; lba |= ((u64)cdb[3]); - len |= ((u32)cdb[4]); + len = cdb[4]; *plba = lba; *plen = len; diff --git a/drivers/ata/pata_artop.c b/drivers/ata/pata_artop.c index 7b4810c171b7..03b6ddd2abd2 100644 --- a/drivers/ata/pata_artop.c +++ b/drivers/ata/pata_artop.c @@ -97,7 +97,7 @@ static int artop6260_pre_reset(struct ata_port *ap, unsigned long deadline) * artop6260_cable_detect - identify cable type * @ap: Port * - * Identify the cable type for the ARTOp interface in question + * Identify the cable type for the ARTOP interface in question */ static int artop6260_cable_detect(struct ata_port *ap) diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c index a54c17433eef..6446735a46e0 100644 --- a/drivers/ata/pata_hpt37x.c +++ b/drivers/ata/pata_hpt37x.c @@ -26,7 +26,7 @@ #include <linux/libata.h> #define DRV_NAME "pata_hpt37x" -#define DRV_VERSION "0.6.5" +#define DRV_VERSION "0.6.6" struct hpt_clock { u8 xfer_speed; @@ -931,15 +931,6 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id) .udma_mask = 0x7f, .port_ops = &hpt372_port_ops }; - /* HPT371, 372 and friends - UDMA100 at 50MHz clock */ - static const struct ata_port_info info_hpt372_50 = { - .sht = &hpt37x_sht, - .flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST, - .pio_mask = 0x1f, - .mwdma_mask = 0x07, - .udma_mask = 0x3f, - .port_ops = &hpt372_port_ops - }; /* HPT374 - UDMA133 */ static const struct ata_port_info info_hpt374 = { .sht = &hpt37x_sht, @@ -1098,17 +1089,21 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id) * use a 50MHz DPLL by choice */ unsigned int f_low, f_high; - int adjust; + int dpll, adjust; - clock_slot = 2; + /* Compute DPLL */ + dpll = 2; if (port->udma_mask & 0xE0) - clock_slot = 3; + dpll = 3; - f_low = (MHz[clock_slot] * chip_table->base) / 192; + f_low = (MHz[clock_slot] * 48) / MHz[dpll]; f_high = f_low + 2; + if (clock_slot > 1) + f_high += 2; /* Select the DPLL clock. */ pci_write_config_byte(dev, 0x5b, 0x21); + pci_write_config_dword(dev, 0x5C, (f_high << 16) | f_low); for(adjust = 0; adjust < 8; adjust++) { if (hpt37x_calibrate_dpll(dev)) @@ -1124,12 +1119,12 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id) printk(KERN_WARNING "hpt37x: DPLL did not stabilize.\n"); return -ENODEV; } - if (clock_slot == 3) + if (dpll == 3) private_data = (void *)hpt37x_timings_66; else private_data = (void *)hpt37x_timings_50; - printk(KERN_INFO "hpt37x: Bus clock %dMHz, using DPLL.\n", MHz[clock_slot]); + printk(KERN_INFO "hpt37x: Bus clock %dMHz, using DPLL.\n", MHz[dpll]); } else { private_data = (void *)chip_table->clocks[clock_slot]; /* diff --git a/drivers/ata/pata_hpt3x2n.c b/drivers/ata/pata_hpt3x2n.c index f25154aed75d..e947433cb37d 100644 --- a/drivers/ata/pata_hpt3x2n.c +++ b/drivers/ata/pata_hpt3x2n.c @@ -521,8 +521,8 @@ static int hpt3x2n_init_one(struct pci_dev *dev, const struct pci_device_id *id) /* 371N if rev > 1 */ break; case PCI_DEVICE_ID_TTI_HPT372: - /* 372N if rev >= 1*/ - if (class_rev == 0) + /* 372N if rev >= 2*/ + if (class_rev < 2) return -ENODEV; break; case PCI_DEVICE_ID_TTI_HPT302: diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c index ff9a6fd36657..b3456d7a592c 100644 --- a/drivers/ata/pata_it821x.c +++ b/drivers/ata/pata_it821x.c @@ -1,5 +1,5 @@ /* - * ata-it821x.c - IT821x PATA for new ATA layer + * pata_it821x.c - IT821x PATA for new ATA layer * (C) 2005 Red Hat Inc * Alan Cox <alan@redhat.com> * @@ -65,7 +65,6 @@ * * TODO * - ATAPI and other speed filtering - * - Command filter in smart mode * - RAID configuration ioctls */ diff --git a/drivers/ata/pata_scc.c b/drivers/ata/pata_scc.c index aa138d211b09..61502bc7bf1d 100644 --- a/drivers/ata/pata_scc.c +++ b/drivers/ata/pata_scc.c @@ -489,23 +489,26 @@ static unsigned int scc_devchk (struct ata_port *ap, * Note: Original code is ata_bus_post_reset(). */ -static void scc_bus_post_reset (struct ata_port *ap, unsigned int devmask) +static int scc_bus_post_reset(struct ata_port *ap, unsigned int devmask, + unsigned long deadline) { struct ata_ioports *ioaddr = &ap->ioaddr; unsigned int dev0 = devmask & (1 << 0); unsigned int dev1 = devmask & (1 << 1); - unsigned long timeout; + int rc; /* if device 0 was found in ata_devchk, wait for its * BSY bit to clear */ - if (dev0) - ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT); + if (dev0) { + rc = ata_wait_ready(ap, deadline); + if (rc && rc != -ENODEV) + return rc; + } /* if device 1 was found in ata_devchk, wait for * register access, then wait for BSY to clear */ - timeout = jiffies + ATA_TMOUT_BOOT; while (dev1) { u8 nsect, lbal; @@ -514,14 +517,15 @@ static void scc_bus_post_reset (struct ata_port *ap, unsigned int devmask) lbal = in_be32(ioaddr->lbal_addr); if ((nsect == 1) && (lbal == 1)) break; - if (time_after(jiffies, timeout)) { - dev1 = 0; - break; - } + if (time_after(jiffies, deadline)) + return -EBUSY; msleep(50); /* give drive a breather */ } - if (dev1) - ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT); + if (dev1) { + rc = ata_wait_ready(ap, deadline); + if (rc && rc != -ENODEV) + return rc; + } /* is all this really necessary? */ ap->ops->dev_select(ap, 0); @@ -529,6 +533,8 @@ static void scc_bus_post_reset (struct ata_port *ap, unsigned int devmask) ap->ops->dev_select(ap, 1); if (dev0) ap->ops->dev_select(ap, 0); + + return 0; } /** @@ -537,8 +543,8 @@ static void scc_bus_post_reset (struct ata_port *ap, unsigned int devmask) * Note: Original code is ata_bus_softreset(). */ -static unsigned int scc_bus_softreset (struct ata_port *ap, - unsigned int devmask) +static unsigned int scc_bus_softreset(struct ata_port *ap, unsigned int devmask, + unsigned long deadline) { struct ata_ioports *ioaddr = &ap->ioaddr; @@ -570,7 +576,7 @@ static unsigned int scc_bus_softreset (struct ata_port *ap, if (scc_check_status(ap) == 0xFF) return 0; - scc_bus_post_reset(ap, devmask); + scc_bus_post_reset(ap, devmask, deadline); return 0; } @@ -579,11 +585,13 @@ static unsigned int scc_bus_softreset (struct ata_port *ap, * scc_std_softreset - reset host port via ATA SRST * @ap: port to reset * @classes: resulting classes of attached devices + * @deadline: deadline jiffies for the operation * * Note: Original code is ata_std_softreset(). */ -static int scc_std_softreset (struct ata_port *ap, unsigned int *classes) +static int scc_std_softreset (struct ata_port *ap, unsigned int *classes, + unsigned long deadline) { unsigned int slave_possible = ap->flags & ATA_FLAG_SLAVE_POSS; unsigned int devmask = 0, err_mask; @@ -607,7 +615,7 @@ static int scc_std_softreset (struct ata_port *ap, unsigned int *classes) /* issue bus reset */ DPRINTK("about to softreset, devmask=%x\n", devmask); - err_mask = scc_bus_softreset(ap, devmask); + err_mask = scc_bus_softreset(ap, devmask, deadline); if (err_mask) { ata_port_printk(ap, KERN_ERR, "SRST failed (err_mask=0x%x)\n", err_mask); @@ -676,10 +684,11 @@ static void scc_bmdma_stop (struct ata_queued_cmd *qc) if (reg & INTSTS_BMSINT) { unsigned int classes; + unsigned long deadline = jiffies + ATA_TMOUT_BOOT; printk(KERN_WARNING "%s: Internal Bus Error\n", DRV_NAME); out_be32(bmid_base + SCC_DMA_INTST, INTSTS_BMSINT); /* TBD: SW reset */ - scc_std_softreset(ap, &classes); + scc_std_softreset(ap, &classes, deadline); continue; } @@ -862,9 +871,10 @@ static void scc_bmdma_freeze (struct ata_port *ap) /** * scc_pata_prereset - prepare for reset * @ap: ATA port to be reset + * @deadline: deadline jiffies for the operation */ -static int scc_pata_prereset (struct ata_port *ap, unsigned long deadline) +static int scc_pata_prereset(struct ata_port *ap, unsigned long deadline) { ap->cbl = ATA_CBL_PATA80; return ata_std_prereset(ap, deadline); diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c index f2231267e011..ec3ae9375015 100644 --- a/drivers/ata/pata_sis.c +++ b/drivers/ata/pata_sis.c @@ -73,14 +73,14 @@ static int sis_short_ata40(struct pci_dev *dev) } /** - * sis_port_base - return PCI configuration base for dev + * sis_old_port_base - return PCI configuration base for dev * @adev: device * * Returns the base of the PCI configuration registers for this port * number. */ -static int sis_port_base(struct ata_device *adev) +static int sis_old_port_base(struct ata_device *adev) { return 0x40 + (4 * adev->ap->port_no) + (2 * adev->devno); } @@ -211,7 +211,7 @@ static void sis_set_fifo(struct ata_port *ap, struct ata_device *adev) static void sis_old_set_piomode (struct ata_port *ap, struct ata_device *adev) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); - int port = sis_port_base(adev); + int port = sis_old_port_base(adev); u8 t1, t2; int speed = adev->pio_mode - XFER_PIO_0; @@ -248,7 +248,7 @@ static void sis_old_set_piomode (struct ata_port *ap, struct ata_device *adev) static void sis_100_set_piomode (struct ata_port *ap, struct ata_device *adev) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); - int port = sis_port_base(adev); + int port = sis_old_port_base(adev); int speed = adev->pio_mode - XFER_PIO_0; const u8 actrec[] = { 0x00, 0x67, 0x44, 0x33, 0x31 }; @@ -328,7 +328,7 @@ static void sis_old_set_dmamode (struct ata_port *ap, struct ata_device *adev) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); int speed = adev->dma_mode - XFER_MW_DMA_0; - int drive_pci = sis_port_base(adev); + int drive_pci = sis_old_port_base(adev); u16 timing; const u16 mwdma_bits[] = { 0x707, 0x202, 0x202 }; @@ -367,7 +367,7 @@ static void sis_66_set_dmamode (struct ata_port *ap, struct ata_device *adev) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); int speed = adev->dma_mode - XFER_MW_DMA_0; - int drive_pci = sis_port_base(adev); + int drive_pci = sis_old_port_base(adev); u16 timing; const u16 mwdma_bits[] = { 0x707, 0x202, 0x202 }; @@ -378,12 +378,12 @@ static void sis_66_set_dmamode (struct ata_port *ap, struct ata_device *adev) if (adev->dma_mode < XFER_UDMA_0) { /* bits 3-0 hold recovery timing bits 8-10 active timing and the higer bits are dependant on the device, bit 15 udma */ - timing &= ~ 0x870F; + timing &= ~0x870F; timing |= mwdma_bits[speed]; } else { /* Bit 15 is UDMA on/off, bit 12-14 are cycle time */ speed = adev->dma_mode - XFER_UDMA_0; - timing &= ~0x6000; + timing &= ~0xF000; timing |= udma_bits[speed]; } pci_write_config_word(pdev, drive_pci, timing); @@ -405,22 +405,22 @@ static void sis_100_set_dmamode (struct ata_port *ap, struct ata_device *adev) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); int speed = adev->dma_mode - XFER_MW_DMA_0; - int drive_pci = sis_port_base(adev); - u16 timing; + int drive_pci = sis_old_port_base(adev); + u8 timing; - const u16 udma_bits[] = { 0x8B00, 0x8700, 0x8500, 0x8300, 0x8200, 0x8100}; + const u8 udma_bits[] = { 0x8B, 0x87, 0x85, 0x83, 0x82, 0x81}; - pci_read_config_word(pdev, drive_pci, &timing); + pci_read_config_byte(pdev, drive_pci + 1, &timing); if (adev->dma_mode < XFER_UDMA_0) { /* NOT SUPPORTED YET: NEED DATA SHEET. DITTO IN OLD DRIVER */ } else { - /* Bit 15 is UDMA on/off, bit 12-14 are cycle time */ + /* Bit 7 is UDMA on/off, bit 0-3 are cycle time */ speed = adev->dma_mode - XFER_UDMA_0; - timing &= ~0x0F00; + timing &= ~0x8F; timing |= udma_bits[speed]; } - pci_write_config_word(pdev, drive_pci, timing); + pci_write_config_byte(pdev, drive_pci + 1, timing); } /** @@ -440,22 +440,22 @@ static void sis_133_early_set_dmamode (struct ata_port *ap, struct ata_device *a { struct pci_dev *pdev = to_pci_dev(ap->host->dev); int speed = adev->dma_mode - XFER_MW_DMA_0; - int drive_pci = sis_port_base(adev); - u16 timing; - - static const u16 udma_bits[] = { 0x8F00, 0x8A00, 0x8700, 0x8500, 0x8300, 0x8200, 0x8100}; + int drive_pci = sis_old_port_base(adev); + u8 timing; + /* Low 4 bits are timing */ + static const u8 udma_bits[] = { 0x8F, 0x8A, 0x87, 0x85, 0x83, 0x82, 0x81}; - pci_read_config_word(pdev, drive_pci, &timing); + pci_read_config_byte(pdev, drive_pci + 1, &timing); if (adev->dma_mode < XFER_UDMA_0) { /* NOT SUPPORTED YET: NEED DATA SHEET. DITTO IN OLD DRIVER */ } else { - /* Bit 15 is UDMA on/off, bit 12-14 are cycle time */ + /* Bit 7 is UDMA on/off, bit 0-3 are cycle time */ speed = adev->dma_mode - XFER_UDMA_0; - timing &= ~0x0F00; + timing &= ~0x8F; timing |= udma_bits[speed]; } - pci_write_config_word(pdev, drive_pci, timing); + pci_write_config_byte(pdev, drive_pci + 1, timing); } /** diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index e4c71f76bd55..a8462f1e890b 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -60,6 +60,7 @@ #include <linux/delay.h> #include <scsi/scsi_host.h> #include <linux/libata.h> +#include <linux/dmi.h> #define DRV_NAME "pata_via" #define DRV_VERSION "0.3.1" @@ -122,6 +123,31 @@ static const struct via_isa_bridge { { NULL } }; + +/* + * Cable special cases + */ + +static struct dmi_system_id cable_dmi_table[] = { + { + .ident = "Acer Ferrari 3400", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Acer,Inc."), + DMI_MATCH(DMI_BOARD_NAME, "Ferrari 3400"), + }, + }, + { } +}; + +static int via_cable_override(struct pci_dev *pdev) +{ + /* Systems by DMI */ + if (dmi_check_system(cable_dmi_table)) + return 1; + return 0; +} + + /** * via_cable_detect - cable detection * @ap: ATA port @@ -139,6 +165,9 @@ static int via_cable_detect(struct ata_port *ap) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); u32 ata66; + if (via_cable_override(pdev)) + return ATA_CBL_PATA40_SHORT; + /* Early chips are 40 wire */ if ((config->flags & VIA_UDMA) < VIA_UDMA_66) return ATA_CBL_PATA40; @@ -592,10 +621,11 @@ static int via_reinit_one(struct pci_dev *pdev) #endif static const struct pci_device_id via[] = { - { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C576_1), }, - { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C586_1), }, - { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_6410), }, - { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_SATA_EIDE), }, + { PCI_VDEVICE(VIA, 0x0571), }, + { PCI_VDEVICE(VIA, 0x0581), }, + { PCI_VDEVICE(VIA, 0x1571), }, + { PCI_VDEVICE(VIA, 0x3164), }, + { PCI_VDEVICE(VIA, 0x5324), }, { }, }; diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 705a020e1597..c957e6e54ba1 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -21,6 +21,50 @@ * */ +/* + sata_mv TODO list: + + 1) Needs a full errata audit for all chipsets. I implemented most + of the errata workarounds found in the Marvell vendor driver, but + I distinctly remember a couple workarounds (one related to PCI-X) + are still needed. + + 2) Convert to LibATA new EH. Required for hotplug, NCQ, and sane + probing/error handling in general. MUST HAVE. + + 3) Add hotplug support (easy, once new-EH support appears) + + 4) Add NCQ support (easy to intermediate, once new-EH support appears) + + 5) Investigate problems with PCI Message Signalled Interrupts (MSI). + + 6) Add port multiplier support (intermediate) + + 7) Test and verify 3.0 Gbps support + + 8) Develop a low-power-consumption strategy, and implement it. + + 9) [Experiment, low priority] See if ATAPI can be supported using + "unknown FIS" or "vendor-specific FIS" support, or something creative + like that. + + 10) [Experiment, low priority] Investigate interrupt coalescing. + Quite often, especially with PCI Message Signalled Interrupts (MSI), + the overhead reduced by interrupt mitigation is quite often not + worth the latency cost. + + 11) [Experiment, Marvell value added] Is it possible to use target + mode to cross-connect two Linux boxes with Marvell cards? If so, + creating LibATA target mode support would be very interesting. + + Target mode, for those without docs, is the ability to directly + connect two SATA controllers. + + 13) Verify that 7042 is fully supported. I only have a 6042. + +*/ + + #include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index 3a7d9b5332af..2b924a69b365 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -297,7 +297,7 @@ static const struct ata_port_info pdc_port_info[] = { /* board_2057x_pata */ { - .flags = PDC_COMMON_FLAGS | ATA_FLAG_SLAVE_POSS, + .flags = PDC_COMMON_FLAGS | ATA_FLAG_SLAVE_POSS | PDC_FLAG_GEN_II, .pio_mask = 0x1f, /* pio0-4 */ .mwdma_mask = 0x07, /* mwdma0-2 */ diff --git a/drivers/ata/sata_sis.c b/drivers/ata/sata_sis.c index 51d9251b0898..221099d1d08f 100644 --- a/drivers/ata/sata_sis.c +++ b/drivers/ata/sata_sis.c @@ -255,7 +255,7 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) { static int printed_version; struct ata_port_info pi = sis_port_info; - const struct ata_port_info *ppi[] = { &pi, NULL }; + const struct ata_port_info *ppi[] = { &pi, &pi }; struct ata_host *host; u32 genctl, val; u8 pmr; diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c index 01bba26d8d1a..e8b90e7b42dd 100644 --- a/drivers/ata/sata_via.c +++ b/drivers/ata/sata_via.c @@ -85,6 +85,9 @@ static const struct pci_device_id svia_pci_tbl[] = { { PCI_VDEVICE(VIA, 0x0591), vt6420 }, { PCI_VDEVICE(VIA, 0x3149), vt6420 }, { PCI_VDEVICE(VIA, 0x3249), vt6421 }, + { PCI_VDEVICE(VIA, 0x5287), vt6420 }, + { PCI_VDEVICE(VIA, 0x5372), vt6420 }, + { PCI_VDEVICE(VIA, 0x7372), vt6420 }, { } /* terminate list */ }; diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c index 057efbc55d38..3800bc0cb2ef 100644 --- a/drivers/atm/idt77252.c +++ b/drivers/atm/idt77252.c @@ -47,7 +47,8 @@ static char const rcsid[] = #include <linux/bitops.h> #include <linux/wait.h> #include <linux/jiffies.h> -#include <asm/semaphore.h> +#include <linux/mutex.h> + #include <asm/io.h> #include <asm/uaccess.h> #include <asm/atomic.h> @@ -2435,7 +2436,7 @@ idt77252_open(struct atm_vcc *vcc) set_bit(ATM_VF_ADDR, &vcc->flags); - down(&card->mutex); + mutex_lock(&card->mutex); OPRINTK("%s: opening vpi.vci: %d.%d\n", card->name, vpi, vci); @@ -2446,7 +2447,7 @@ idt77252_open(struct atm_vcc *vcc) break; default: printk("%s: Unsupported AAL: %d\n", card->name, vcc->qos.aal); - up(&card->mutex); + mutex_unlock(&card->mutex); return -EPROTONOSUPPORT; } @@ -2455,7 +2456,7 @@ idt77252_open(struct atm_vcc *vcc) card->vcs[index] = kzalloc(sizeof(struct vc_map), GFP_KERNEL); if (!card->vcs[index]) { printk("%s: can't alloc vc in open()\n", card->name); - up(&card->mutex); + mutex_unlock(&card->mutex); return -ENOMEM; } card->vcs[index]->card = card; @@ -2484,14 +2485,14 @@ idt77252_open(struct atm_vcc *vcc) if (inuse) { printk("%s: %s vci already in use.\n", card->name, inuse == 1 ? "tx" : inuse == 2 ? "rx" : "tx and rx"); - up(&card->mutex); + mutex_unlock(&card->mutex); return -EADDRINUSE; } if (vcc->qos.txtp.traffic_class != ATM_NONE) { error = idt77252_init_tx(card, vc, vcc, &vcc->qos); if (error) { - up(&card->mutex); + mutex_unlock(&card->mutex); return error; } } @@ -2499,14 +2500,14 @@ idt77252_open(struct atm_vcc *vcc) if (vcc->qos.rxtp.traffic_class != ATM_NONE) { error = idt77252_init_rx(card, vc, vcc, &vcc->qos); if (error) { - up(&card->mutex); + mutex_unlock(&card->mutex); return error; } } set_bit(ATM_VF_READY, &vcc->flags); - up(&card->mutex); + mutex_unlock(&card->mutex); return 0; } @@ -2520,7 +2521,7 @@ idt77252_close(struct atm_vcc *vcc) unsigned long addr; unsigned long timeout; - down(&card->mutex); + mutex_lock(&card->mutex); IPRINTK("%s: idt77252_close: vc = %d (%d.%d)\n", card->name, vc->index, vcc->vpi, vcc->vci); @@ -2591,7 +2592,7 @@ done: free_scq(card, vc->scq); } - up(&card->mutex); + mutex_unlock(&card->mutex); } static int @@ -2602,7 +2603,7 @@ idt77252_change_qos(struct atm_vcc *vcc, struct atm_qos *qos, int flags) struct vc_map *vc = vcc->dev_data; int error = 0; - down(&card->mutex); + mutex_lock(&card->mutex); if (qos->txtp.traffic_class != ATM_NONE) { if (!test_bit(VCF_TX, &vc->flags)) { @@ -2648,7 +2649,7 @@ idt77252_change_qos(struct atm_vcc *vcc, struct atm_qos *qos, int flags) set_bit(ATM_VF_HASQOS, &vcc->flags); out: - up(&card->mutex); + mutex_unlock(&card->mutex); return error; } @@ -3709,7 +3710,7 @@ idt77252_init_one(struct pci_dev *pcidev, const struct pci_device_id *id) membase = pci_resource_start(pcidev, 1); srambase = pci_resource_start(pcidev, 2); - init_MUTEX(&card->mutex); + mutex_init(&card->mutex); spin_lock_init(&card->cmd_lock); spin_lock_init(&card->tst_lock); diff --git a/drivers/atm/idt77252.h b/drivers/atm/idt77252.h index 544b39738291..6f2b4a5875fb 100644 --- a/drivers/atm/idt77252.h +++ b/drivers/atm/idt77252.h @@ -37,7 +37,7 @@ #include <linux/ptrace.h> #include <linux/skbuff.h> #include <linux/workqueue.h> - +#include <linux/mutex.h> /*****************************************************************************/ /* */ @@ -359,7 +359,7 @@ struct idt77252_dev unsigned long srambase; /* SAR's sram base address */ void __iomem *fbq[4]; /* FBQ fill addresses */ - struct semaphore mutex; + struct mutex mutex; spinlock_t cmd_lock; /* for r/w utility/sram */ unsigned long softstat; diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 3587cb434371..fe088045dd08 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -670,7 +670,7 @@ static void __reschedule_timeout(int drive, const char *message, int marg) if (drive == current_reqD) drive = current_drive; del_timer(&fd_timeout); - if (drive < 0 || drive > N_DRIVE) { + if (drive < 0 || drive >= N_DRIVE) { fd_timeout.expires = jiffies + 20UL * HZ; drive = 0; } else diff --git a/drivers/bluetooth/hci_usb.c b/drivers/bluetooth/hci_usb.c index b0238b46dded..7e04dd69f609 100644 --- a/drivers/bluetooth/hci_usb.c +++ b/drivers/bluetooth/hci_usb.c @@ -115,11 +115,11 @@ static struct usb_device_id blacklist_ids[] = { { USB_DEVICE(0x0a5c, 0x2009), .driver_info = HCI_BCM92035 }, /* Broadcom BCM2045 */ - { USB_DEVICE(0x0a5c, 0x2101), .driver_info = HCI_WRONG_SCO_MTU }, + { USB_DEVICE(0x0a5c, 0x2101), .driver_info = HCI_RESET | HCI_WRONG_SCO_MTU }, /* IBM/Lenovo ThinkPad with Broadcom chip */ - { USB_DEVICE(0x0a5c, 0x201e), .driver_info = HCI_WRONG_SCO_MTU }, - { USB_DEVICE(0x0a5c, 0x2110), .driver_info = HCI_WRONG_SCO_MTU }, + { USB_DEVICE(0x0a5c, 0x201e), .driver_info = HCI_RESET | HCI_WRONG_SCO_MTU }, + { USB_DEVICE(0x0a5c, 0x2110), .driver_info = HCI_RESET | HCI_WRONG_SCO_MTU }, /* Targus ACB10US */ { USB_DEVICE(0x0a5c, 0x2100), .driver_info = HCI_RESET }, @@ -128,17 +128,17 @@ static struct usb_device_id blacklist_ids[] = { { USB_DEVICE(0x0a5c, 0x2111), .driver_info = HCI_RESET }, /* HP laptop with Broadcom chip */ - { USB_DEVICE(0x03f0, 0x171d), .driver_info = HCI_WRONG_SCO_MTU }, + { USB_DEVICE(0x03f0, 0x171d), .driver_info = HCI_RESET | HCI_WRONG_SCO_MTU }, /* Dell laptop with Broadcom chip */ - { USB_DEVICE(0x413c, 0x8126), .driver_info = HCI_WRONG_SCO_MTU }, + { USB_DEVICE(0x413c, 0x8126), .driver_info = HCI_RESET | HCI_WRONG_SCO_MTU }, /* Microsoft Wireless Transceiver for Bluetooth 2.0 */ { USB_DEVICE(0x045e, 0x009c), .driver_info = HCI_RESET }, /* Kensington Bluetooth USB adapter */ { USB_DEVICE(0x047d, 0x105d), .driver_info = HCI_RESET }, - { USB_DEVICE(0x047d, 0x105e), .driver_info = HCI_WRONG_SCO_MTU }, + { USB_DEVICE(0x047d, 0x105e), .driver_info = HCI_RESET | HCI_WRONG_SCO_MTU }, /* ISSC Bluetooth Adapter v3.1 */ { USB_DEVICE(0x1131, 0x1001), .driver_info = HCI_RESET }, @@ -148,8 +148,8 @@ static struct usb_device_id blacklist_ids[] = { { USB_DEVICE(0x0400, 0x080a), .driver_info = HCI_BROKEN_ISOC }, /* Belkin F8T012 and F8T013 devices */ - { USB_DEVICE(0x050d, 0x0012), .driver_info = HCI_WRONG_SCO_MTU }, - { USB_DEVICE(0x050d, 0x0013), .driver_info = HCI_WRONG_SCO_MTU }, + { USB_DEVICE(0x050d, 0x0012), .driver_info = HCI_RESET | HCI_WRONG_SCO_MTU }, + { USB_DEVICE(0x050d, 0x0013), .driver_info = HCI_RESET | HCI_WRONG_SCO_MTU }, /* Digianswer devices */ { USB_DEVICE(0x08fd, 0x0001), .driver_info = HCI_DIGIANSWER }, diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index abcafac64738..ef683ebd367c 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -815,7 +815,7 @@ config SGI_IP27_RTC config GEN_RTC tristate "Generic /dev/rtc emulation" - depends on RTC!=y && !IA64 && !ARM && !M32R && !SPARC && !FRV && !S390 + depends on RTC!=y && !IA64 && !ARM && !M32R && !SPARC && !FRV && !S390 && !SUPERH ---help--- If you say Y here and create a character special file /dev/rtc with major number 10 and minor number 135 using mknod ("man mknod"), you diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index c72ee97d3892..ca376b92162c 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -1061,6 +1061,7 @@ static void cyy_intr_chip(struct cyclades_card *cinfo, int chip, if (data & info->ignore_status_mask) { info->icount.rx++; + spin_unlock(&cinfo->card_lock); return; } if (tty_buffer_request_room(tty, 1)) { diff --git a/drivers/crypto/geode-aes.c b/drivers/crypto/geode-aes.c index 6d3840e629de..6a86958b577f 100644 --- a/drivers/crypto/geode-aes.c +++ b/drivers/crypto/geode-aes.c @@ -102,10 +102,15 @@ geode_aes_crypt(struct geode_aes_op *op) u32 flags = 0; unsigned long iflags; - if (op->len == 0 || op->src == op->dst) + if (op->len == 0) return 0; - if (op->flags & AES_FLAGS_COHERENT) + /* If the source and destination is the same, then + * we need to turn on the coherent flags, otherwise + * we don't need to worry + */ + + if (op->src == op->dst) flags |= (AES_CTRL_DCA | AES_CTRL_SCA); if (op->dir == AES_DIR_ENCRYPT) @@ -120,7 +125,7 @@ geode_aes_crypt(struct geode_aes_op *op) _writefield(AES_WRITEIV0_REG, op->iv); } - if (op->flags & AES_FLAGS_USRKEY) { + if (!(op->flags & AES_FLAGS_HIDDENKEY)) { flags |= AES_CTRL_WRKEY; _writefield(AES_WRITEKEY0_REG, op->key); } @@ -289,6 +294,7 @@ static struct crypto_alg geode_cbc_alg = { .setkey = geode_setkey, .encrypt = geode_cbc_encrypt, .decrypt = geode_cbc_decrypt, + .ivsize = AES_IV_LENGTH, } } }; diff --git a/drivers/crypto/geode-aes.h b/drivers/crypto/geode-aes.h index 8003a36f3a83..f47968671ae7 100644 --- a/drivers/crypto/geode-aes.h +++ b/drivers/crypto/geode-aes.h @@ -20,8 +20,7 @@ #define AES_DIR_DECRYPT 0 #define AES_DIR_ENCRYPT 1 -#define AES_FLAGS_USRKEY (1 << 0) -#define AES_FLAGS_COHERENT (1 << 1) +#define AES_FLAGS_HIDDENKEY (1 << 0) struct geode_aes_op { diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index 0c160675b3ac..366f4a1a2cb8 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -491,6 +491,12 @@ out: /* Sysfs Files */ +static ssize_t applesmc_name_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "applesmc\n"); +} + static ssize_t applesmc_position_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -913,6 +919,8 @@ static struct led_classdev applesmc_backlight = { .brightness_set = applesmc_brightness_set, }; +static DEVICE_ATTR(name, 0444, applesmc_name_show, NULL); + static DEVICE_ATTR(position, 0444, applesmc_position_show, NULL); static DEVICE_ATTR(calibrate, 0644, applesmc_calibrate_show, applesmc_calibrate_store); @@ -1197,6 +1205,8 @@ static int __init applesmc_init(void) goto out_driver; } + ret = sysfs_create_file(&pdev->dev.kobj, &dev_attr_name.attr); + /* Create key enumeration sysfs files */ ret = sysfs_create_group(&pdev->dev.kobj, &key_enumeration_group); if (ret) diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index e68a96f589fd..e4540fcf6476 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -830,7 +830,8 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) i2c->irq = res; - dev_dbg(&pdev->dev, "irq resource %p (%ld)\n", res, res->start); + dev_dbg(&pdev->dev, "irq resource %p (%lu)\n", res, + (unsigned long)res->start); ret = i2c_add_adapter(&i2c->adap); if (ret < 0) { diff --git a/drivers/i2c/busses/i2c-tiny-usb.c b/drivers/i2c/busses/i2c-tiny-usb.c index 907999049d50..cb9abe7565a7 100644 --- a/drivers/i2c/busses/i2c-tiny-usb.c +++ b/drivers/i2c/busses/i2c-tiny-usb.c @@ -208,7 +208,7 @@ static int i2c_tiny_usb_probe(struct usb_interface *interface, dev->adapter.class = I2C_CLASS_HWMON; dev->adapter.algo = &usb_algorithm; dev->adapter.algo_data = dev; - snprintf(dev->adapter.name, I2C_NAME_SIZE, + snprintf(dev->adapter.name, sizeof(dev->adapter.name), "i2c-tiny-usb at bus %03d device %03d", dev->usb_dev->bus->busnum, dev->usb_dev->devnum); diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 64f8e56d300e..435925eba437 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -697,9 +697,10 @@ int i2c_attach_client(struct i2c_client *client) if (client->driver) client->dev.driver = &client->driver->driver; - if (client->driver && !is_newstyle_driver(client->driver)) + if (client->driver && !is_newstyle_driver(client->driver)) { client->dev.release = i2c_client_release; - else + client->dev.uevent_suppress = 1; + } else client->dev.release = i2c_client_dev_release; snprintf(&client->dev.bus_id[0], sizeof(client->dev.bus_id), diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index b77b7d138c49..ead141e2db9e 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -119,15 +119,17 @@ static const struct drive_list_entry drive_blacklist [] = { { "HITACHI CDR-8335" , "ALL" }, { "HITACHI CDR-8435" , "ALL" }, { "Toshiba CD-ROM XM-6202B" , "ALL" }, + { "TOSHIBA CD-ROM XM-1702BC", "ALL" }, { "CD-532E-A" , "ALL" }, { "E-IDE CD-ROM CR-840", "ALL" }, { "CD-ROM Drive/F5A", "ALL" }, { "WPI CDD-820", "ALL" }, { "SAMSUNG CD-ROM SC-148C", "ALL" }, { "SAMSUNG CD-ROM SC", "ALL" }, - { "SanDisk SDP3B-64" , "ALL" }, { "ATAPI CD-ROM DRIVE 40X MAXIMUM", "ALL" }, { "_NEC DV5800A", "ALL" }, + { "SAMSUNG CD-ROM SN-124", "N001" }, + { "Seagate STT20000A", "ALL" }, { NULL , NULL } }; diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c index d50bd996ff22..ea94c9aa1220 100644 --- a/drivers/ide/ide-proc.c +++ b/drivers/ide/ide-proc.c @@ -67,6 +67,8 @@ static int proc_ide_read_imodel case ide_4drives: name = "4drives"; break; case ide_pmac: name = "mac-io"; break; case ide_au1xxx: name = "au1xxx"; break; + case ide_etrax100: name = "etrax100"; break; + case ide_acorn: name = "acorn"; break; default: name = "(unknown)"; break; } len = sprintf(page, "%s\n", name); diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c index 0e52ad722a72..8ab33faf6f76 100644 --- a/drivers/ide/pci/atiixp.c +++ b/drivers/ide/pci/atiixp.c @@ -317,6 +317,7 @@ static struct pci_device_id atiixp_pci_tbl[] = { { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP300_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP400_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, + { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, { 0, }, }; MODULE_DEVICE_TABLE(pci, atiixp_pci_tbl); diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c index 6234f806c6b5..47bcd91c9b5f 100644 --- a/drivers/ide/pci/serverworks.c +++ b/drivers/ide/pci/serverworks.c @@ -158,6 +158,12 @@ static int svwks_tune_chipset (ide_drive_t *drive, u8 xferspeed) pci_read_config_word(dev, 0x4A, &csb5_pio); pci_read_config_byte(dev, 0x54, &ultra_enable); + /* If we are in RAID mode (eg AMI MegaIDE) then we can't it + turns out trust the firmware configuration */ + + if ((dev->class >> 8) != PCI_CLASS_STORAGE_IDE) + goto oem_setup_failed; + /* Per Specified Design by OEM, and ASIC Architect */ if ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) || (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) { @@ -173,7 +179,7 @@ dma_pio: ((dma_stat&(1<<(5+unit)))==(1<<(5+unit)))) { u8 dmaspeed = dma_timing; - dma_timing &= ~0xFF; + dma_timing &= ~0xFFU; if ((dmaspeed & 0x20) == 0x20) dmaspeed = XFER_MW_DMA_2; else if ((dmaspeed & 0x21) == 0x21) @@ -187,7 +193,7 @@ dma_pio: } else if (pio_timing) { u8 piospeed = pio_timing; - pio_timing &= ~0xFF; + pio_timing &= ~0xFFU; if ((piospeed & 0x20) == 0x20) piospeed = XFER_PIO_4; else if ((piospeed & 0x22) == 0x22) @@ -208,8 +214,8 @@ dma_pio: oem_setup_failed: - pio_timing &= ~0xFF; - dma_timing &= ~0xFF; + pio_timing &= ~0xFFU; + dma_timing &= ~0xFFU; ultra_timing &= ~(0x0F << (4*unit)); ultra_enable &= ~(0x01 << drive->dn); csb5_pio &= ~(0x0F << (4*drive->dn)); diff --git a/drivers/infiniband/hw/ehca/hcp_if.c b/drivers/infiniband/hw/ehca/hcp_if.c index 7f0beec74f70..5766ae3a2029 100644 --- a/drivers/infiniband/hw/ehca/hcp_if.c +++ b/drivers/infiniband/hw/ehca/hcp_if.c @@ -331,7 +331,7 @@ u64 hipz_h_alloc_resource_qp(const struct ipz_adapter_handle adapter_handle, 0); qp->ipz_qp_handle.handle = outs[0]; qp->real_qp_num = (u32)outs[1]; - parms->act_nr_send_sges = + parms->act_nr_send_wqes = (u16)EHCA_BMASK_GET(H_ALL_RES_QP_ACT_OUTST_SEND_WR, outs[2]); parms->act_nr_recv_wqes = (u16)EHCA_BMASK_GET(H_ALL_RES_QP_ACT_OUTST_RECV_WR, outs[2]); diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index a824bc5f79fd..dc137dec2308 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -270,9 +270,7 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd, struct ib_qp_init_attr *init_attr, struct ib_udata *udata, int sqpn, struct mlx4_ib_qp *qp) { - struct mlx4_wqe_ctrl_seg *ctrl; int err; - int i; mutex_init(&qp->mutex); spin_lock_init(&qp->sq.lock); @@ -319,20 +317,24 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd, if (err) goto err_mtt; - err = mlx4_ib_db_map_user(to_mucontext(pd->uobject->context), - ucmd.db_addr, &qp->db); - if (err) - goto err_mtt; + if (!init_attr->srq) { + err = mlx4_ib_db_map_user(to_mucontext(pd->uobject->context), + ucmd.db_addr, &qp->db); + if (err) + goto err_mtt; + } } else { err = set_kernel_sq_size(dev, &init_attr->cap, init_attr->qp_type, qp); if (err) goto err; - err = mlx4_ib_db_alloc(dev, &qp->db, 0); - if (err) - goto err; + if (!init_attr->srq) { + err = mlx4_ib_db_alloc(dev, &qp->db, 0); + if (err) + goto err; - *qp->db.db = 0; + *qp->db.db = 0; + } if (mlx4_buf_alloc(dev->dev, qp->buf_size, PAGE_SIZE * 2, &qp->buf)) { err = -ENOMEM; @@ -348,11 +350,6 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd, if (err) goto err_mtt; - for (i = 0; i < qp->sq.max; ++i) { - ctrl = get_send_wqe(qp, i); - ctrl->owner_opcode = cpu_to_be32(1 << 31); - } - qp->sq.wrid = kmalloc(qp->sq.max * sizeof (u64), GFP_KERNEL); qp->rq.wrid = kmalloc(qp->rq.max * sizeof (u64), GFP_KERNEL); @@ -386,7 +383,7 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd, return 0; err_wrid: - if (pd->uobject) + if (pd->uobject && !init_attr->srq) mlx4_ib_db_unmap_user(to_mucontext(pd->uobject->context), &qp->db); else { kfree(qp->sq.wrid); @@ -403,7 +400,7 @@ err_buf: mlx4_buf_free(dev->dev, qp->buf_size, &qp->buf); err_db: - if (!pd->uobject) + if (!pd->uobject && !init_attr->srq) mlx4_ib_db_free(dev, &qp->db); err: @@ -481,14 +478,16 @@ static void destroy_qp_common(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp, mlx4_mtt_cleanup(dev->dev, &qp->mtt); if (is_user) { - mlx4_ib_db_unmap_user(to_mucontext(qp->ibqp.uobject->context), - &qp->db); + if (!qp->ibqp.srq) + mlx4_ib_db_unmap_user(to_mucontext(qp->ibqp.uobject->context), + &qp->db); ib_umem_release(qp->umem); } else { kfree(qp->sq.wrid); kfree(qp->rq.wrid); mlx4_buf_free(dev->dev, qp->buf_size, &qp->buf); - mlx4_ib_db_free(dev, &qp->db); + if (!qp->ibqp.srq) + mlx4_ib_db_free(dev, &qp->db); } } @@ -852,7 +851,7 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp, if (ibqp->srq) context->srqn = cpu_to_be32(1 << 24 | to_msrq(ibqp->srq)->msrq.srqn); - if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) + if (!ibqp->srq && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) context->db_rec_addr = cpu_to_be64(qp->db.dma); if (cur_state == IB_QPS_INIT && @@ -872,6 +871,21 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp, else sqd_event = 0; + /* + * Before passing a kernel QP to the HW, make sure that the + * ownership bits of the send queue are set so that the + * hardware doesn't start processing stale work requests. + */ + if (!ibqp->uobject && cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { + struct mlx4_wqe_ctrl_seg *ctrl; + int i; + + for (i = 0; i < qp->sq.max; ++i) { + ctrl = get_send_wqe(qp, i); + ctrl->owner_opcode = cpu_to_be32(1 << 31); + } + } + err = mlx4_qp_modify(dev->dev, &qp->mtt, to_mlx4_state(cur_state), to_mlx4_state(new_state), context, optpar, sqd_event, &qp->mqp); @@ -919,7 +933,8 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp, qp->rq.tail = 0; qp->sq.head = 0; qp->sq.tail = 0; - *qp->db.db = 0; + if (!ibqp->srq) + *qp->db.db = 0; } out: diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index a0b3782c7625..158759e28a5b 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -429,6 +429,7 @@ int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey); void ipoib_pkey_poll(struct work_struct *work); int ipoib_pkey_dev_delay_open(struct net_device *dev); +void ipoib_drain_cq(struct net_device *dev); #ifdef CONFIG_INFINIBAND_IPOIB_CM diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index ffec794b7913..f133b56fd978 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -713,7 +713,7 @@ void ipoib_cm_dev_stop(struct net_device *dev) while (!list_empty(&priv->cm.rx_error_list) || !list_empty(&priv->cm.rx_flush_list) || !list_empty(&priv->cm.rx_drain_list)) { - if (!time_after(jiffies, begin + 5 * HZ)) { + if (time_after(jiffies, begin + 5 * HZ)) { ipoib_warn(priv, "RX drain timing out\n"); /* @@ -726,6 +726,7 @@ void ipoib_cm_dev_stop(struct net_device *dev) } spin_unlock_irq(&priv->lock); msleep(1); + ipoib_drain_cq(dev); spin_lock_irq(&priv->lock); } diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index c1aad06eb4e9..8404f05b2b6e 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -550,13 +550,30 @@ static int recvs_pending(struct net_device *dev) return pending; } +void ipoib_drain_cq(struct net_device *dev) +{ + struct ipoib_dev_priv *priv = netdev_priv(dev); + int i, n; + do { + n = ib_poll_cq(priv->cq, IPOIB_NUM_WC, priv->ibwc); + for (i = 0; i < n; ++i) { + if (priv->ibwc[i].wr_id & IPOIB_CM_OP_SRQ) + ipoib_cm_handle_rx_wc(dev, priv->ibwc + i); + else if (priv->ibwc[i].wr_id & IPOIB_OP_RECV) + ipoib_ib_handle_rx_wc(dev, priv->ibwc + i); + else + ipoib_ib_handle_tx_wc(dev, priv->ibwc + i); + } + } while (n == IPOIB_NUM_WC); +} + int ipoib_ib_dev_stop(struct net_device *dev, int flush) { struct ipoib_dev_priv *priv = netdev_priv(dev); struct ib_qp_attr qp_attr; unsigned long begin; struct ipoib_tx_buf *tx_req; - int i, n; + int i; clear_bit(IPOIB_FLAG_INITIALIZED, &priv->flags); netif_poll_disable(dev); @@ -611,17 +628,7 @@ int ipoib_ib_dev_stop(struct net_device *dev, int flush) goto timeout; } - do { - n = ib_poll_cq(priv->cq, IPOIB_NUM_WC, priv->ibwc); - for (i = 0; i < n; ++i) { - if (priv->ibwc[i].wr_id & IPOIB_CM_OP_SRQ) - ipoib_cm_handle_rx_wc(dev, priv->ibwc + i); - else if (priv->ibwc[i].wr_id & IPOIB_OP_RECV) - ipoib_ib_handle_rx_wc(dev, priv->ibwc + i); - else - ipoib_ib_handle_tx_wc(dev, priv->ibwc + i); - } - } while (n == IPOIB_NUM_WC); + ipoib_drain_cq(dev); msleep(1); } diff --git a/drivers/input/joystick/iforce/iforce-main.c b/drivers/input/joystick/iforce/iforce-main.c index fb129c479a66..682244b1c042 100644 --- a/drivers/input/joystick/iforce/iforce-main.c +++ b/drivers/input/joystick/iforce/iforce-main.c @@ -370,10 +370,8 @@ int iforce_init_device(struct iforce *iforce) /* * Disable spring, enable force feedback. - * FIXME: We should use iforce_set_autocenter() et al here. */ - - iforce_send_packet(iforce, FF_CMD_AUTOCENTER, "\004\000"); + iforce_set_autocenter(input_dev, 0); /* * Find appropriate device entry diff --git a/drivers/input/joystick/iforce/iforce-packets.c b/drivers/input/joystick/iforce/iforce-packets.c index 21c4e13d3a50..3154ccd74000 100644 --- a/drivers/input/joystick/iforce/iforce-packets.c +++ b/drivers/input/joystick/iforce/iforce-packets.c @@ -246,6 +246,8 @@ void iforce_process_packet(struct iforce *iforce, u16 cmd, unsigned char *data) int iforce_get_id_packet(struct iforce *iforce, char *packet) { + int status; + switch (iforce->bus) { case IFORCE_USB: @@ -254,18 +256,22 @@ int iforce_get_id_packet(struct iforce *iforce, char *packet) iforce->cr.bRequest = packet[0]; iforce->ctrl->dev = iforce->usbdev; - if (usb_submit_urb(iforce->ctrl, GFP_ATOMIC)) + status = usb_submit_urb(iforce->ctrl, GFP_ATOMIC); + if (status) { + err("usb_submit_urb failed %d", status); return -1; + } wait_event_interruptible_timeout(iforce->wait, iforce->ctrl->status != -EINPROGRESS, HZ); if (iforce->ctrl->status) { + dbg("iforce->ctrl->status = %d", iforce->ctrl->status); usb_unlink_urb(iforce->ctrl); return -1; } #else - err("iforce_get_id_packet: iforce->bus = USB!"); + dbg("iforce_get_id_packet: iforce->bus = USB!"); #endif break; diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c index 750099d8e3c6..1457b73850e7 100644 --- a/drivers/input/joystick/iforce/iforce-usb.c +++ b/drivers/input/joystick/iforce/iforce-usb.c @@ -65,6 +65,7 @@ void iforce_usb_xmit(struct iforce *iforce) XMIT_INC(iforce->xmit.tail, n); if ( (n=usb_submit_urb(iforce->out, GFP_ATOMIC)) ) { + clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags); warn("usb_submit_urb failed %d\n", n); } @@ -163,8 +164,8 @@ static int iforce_usb_probe(struct usb_interface *intf, usb_fill_int_urb(iforce->irq, dev, usb_rcvintpipe(dev, epirq->bEndpointAddress), iforce->data, 16, iforce_usb_irq, iforce, epirq->bInterval); - usb_fill_bulk_urb(iforce->out, dev, usb_sndbulkpipe(dev, epout->bEndpointAddress), - iforce + 1, 32, iforce_usb_out, iforce); + usb_fill_int_urb(iforce->out, dev, usb_sndintpipe(dev, epout->bEndpointAddress), + iforce + 1, 32, iforce_usb_out, iforce, epout->bInterval); usb_fill_control_urb(iforce->ctrl, dev, usb_rcvctrlpipe(dev, 0), (void*) &iforce->cr, iforce->edata, 16, iforce_usb_ctrl, iforce); diff --git a/drivers/input/misc/input-polldev.c b/drivers/input/misc/input-polldev.c index 1b2b9c9c5d88..b773d4c756a6 100644 --- a/drivers/input/misc/input-polldev.c +++ b/drivers/input/misc/input-polldev.c @@ -12,6 +12,11 @@ #include <linux/mutex.h> #include <linux/input-polldev.h> +MODULE_AUTHOR("Dmitry Torokhov <dtor@mail.ru>"); +MODULE_DESCRIPTION("Generic implementation of a polled input device"); +MODULE_LICENSE("GPL v2"); +MODULE_VERSION("0.1"); + static DEFINE_MUTEX(polldev_mutex); static int polldev_users; static struct workqueue_struct *polldev_wq; diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index cf3e4664e72b..2c5f11a4f6b4 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -251,11 +251,15 @@ static const struct alps_model_info *alps_get_model(struct psmouse *psmouse, int dbg("E7 report: %2.2x %2.2x %2.2x", param[0], param[1], param[2]); - for (i = 0; i < ARRAY_SIZE(rates) && param[2] != rates[i]; i++); - *version = (param[0] << 8) | (param[1] << 4) | i; + if (version) { + for (i = 0; i < ARRAY_SIZE(rates) && param[2] != rates[i]; i++) + /* empty */; + *version = (param[0] << 8) | (param[1] << 4) | i; + } for (i = 0; i < ARRAY_SIZE(alps_model_data); i++) - if (!memcmp(param, alps_model_data[i].signature, sizeof(alps_model_data[i].signature))) + if (!memcmp(param, alps_model_data[i].signature, + sizeof(alps_model_data[i].signature))) return alps_model_data + i; return NULL; @@ -380,32 +384,46 @@ static int alps_poll(struct psmouse *psmouse) return 0; } -static int alps_reconnect(struct psmouse *psmouse) +static int alps_hw_init(struct psmouse *psmouse, int *version) { struct alps_data *priv = psmouse->private; - int version; - - psmouse_reset(psmouse); - if (!(priv->i = alps_get_model(psmouse, &version))) + priv->i = alps_get_model(psmouse, version); + if (!priv->i) return -1; if ((priv->i->flags & ALPS_PASS) && alps_passthrough_mode(psmouse, 1)) return -1; if (alps_tap_mode(psmouse, 1)) { - printk(KERN_WARNING "alps.c: Failed to reenable hardware tapping\n"); + printk(KERN_WARNING "alps.c: Failed to enable hardware tapping\n"); return -1; } if (alps_absolute_mode(psmouse)) { - printk(KERN_ERR "alps.c: Failed to reenable absolute mode\n"); + printk(KERN_ERR "alps.c: Failed to enable absolute mode\n"); return -1; } if ((priv->i->flags & ALPS_PASS) && alps_passthrough_mode(psmouse, 0)) return -1; + /* ALPS needs stream mode, otherwise it won't report any data */ + if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_SETSTREAM)) { + printk(KERN_ERR "alps.c: Failed to enable stream mode\n"); + return -1; + } + + return 0; +} + +static int alps_reconnect(struct psmouse *psmouse) +{ + psmouse_reset(psmouse); + + if (alps_hw_init(psmouse, NULL)) + return -1; + return 0; } @@ -430,23 +448,9 @@ int alps_init(struct psmouse *psmouse) goto init_fail; priv->dev2 = dev2; + psmouse->private = priv; - priv->i = alps_get_model(psmouse, &version); - if (!priv->i) - goto init_fail; - - if ((priv->i->flags & ALPS_PASS) && alps_passthrough_mode(psmouse, 1)) - goto init_fail; - - if (alps_tap_mode(psmouse, 1)) - printk(KERN_WARNING "alps.c: Failed to enable hardware tapping\n"); - - if (alps_absolute_mode(psmouse)) { - printk(KERN_ERR "alps.c: Failed to enable absolute mode\n"); - goto init_fail; - } - - if ((priv->i->flags & ALPS_PASS) && alps_passthrough_mode(psmouse, 0)) + if (alps_hw_init(psmouse, &version)) goto init_fail; dev1->evbit[LONG(EV_KEY)] |= BIT(EV_KEY); @@ -493,13 +497,13 @@ int alps_init(struct psmouse *psmouse) /* We are having trouble resyncing ALPS touchpads so disable it for now */ psmouse->resync_time = 0; - psmouse->private = priv; return 0; init_fail: psmouse_reset(psmouse); input_free_device(dev2); kfree(priv); + psmouse->private = NULL; return -1; } diff --git a/drivers/input/mouse/logips2pp.c b/drivers/input/mouse/logips2pp.c index 9df74b72e6c4..0c5660d28caa 100644 --- a/drivers/input/mouse/logips2pp.c +++ b/drivers/input/mouse/logips2pp.c @@ -221,6 +221,7 @@ static const struct ps2pp_info *get_model_info(unsigned char model) { 66, PS2PP_KIND_MX, /* MX3100 reciver */ PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN | PS2PP_EXTRA_BTN | PS2PP_NAV_BTN | PS2PP_HWHEEL }, + { 72, PS2PP_KIND_TRACKMAN, 0 }, /* T-CH11: TrackMan Marble */ { 73, 0, PS2PP_SIDE_BTN }, { 75, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, { 76, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index 4f091800bfeb..e5cca9bd0406 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -12,17 +12,17 @@ menuconfig INPUT_TOUCHSCREEN if INPUT_TOUCHSCREEN config TOUCHSCREEN_ADS7846 - tristate "ADS 7846/7843 based touchscreens" + tristate "ADS7846/TSC2046 and ADS7843 based touchscreens" depends on SPI_MASTER depends on HWMON = n || HWMON help Say Y here if you have a touchscreen interface using the - ADS7846 or ADS7843 controller, and your board-specific setup - code includes that in its table of SPI devices. + ADS7846/TSC2046 or ADS7843 controller, and your board-specific + setup code includes that in its table of SPI devices. If HWMON is selected, and the driver is told the reference voltage on your board, you will also get hwmon interfaces for the voltage - (and on ads7846, temperature) sensors of this chip. + (and on ads7846/tsc2046, temperature) sensors of this chip. If unsure, say N (but it's safe to say "Y"). diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index 693e3b2a65a3..1c9069cd3bae 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -39,6 +39,7 @@ /* * This code has been heavily tested on a Nokia 770, and lightly * tested on other ads7846 devices (OSK/Mistral, Lubbock). + * TSC2046 is just newer ads7846 silicon. * Support for ads7843 tested on Atmel at91sam926x-EK. * Support for ads7845 has only been stubbed in. * @@ -847,7 +848,7 @@ static int __devinit ads7846_probe(struct spi_device *spi) * may not. So we stick to very-portable 8 bit words, both RX and TX. */ spi->bits_per_word = 8; - spi->mode = SPI_MODE_1; + spi->mode = SPI_MODE_0; err = spi_setup(spi); if (err < 0) return err; diff --git a/drivers/input/touchscreen/hp680_ts_input.c b/drivers/input/touchscreen/hp680_ts_input.c index 61c15024c2a0..1a15475aedfc 100644 --- a/drivers/input/touchscreen/hp680_ts_input.c +++ b/drivers/input/touchscreen/hp680_ts_input.c @@ -1,7 +1,6 @@ #include <linux/input.h> #include <linux/module.h> #include <linux/init.h> - #include <linux/interrupt.h> #include <asm/io.h> #include <asm/delay.h> @@ -18,12 +17,12 @@ #define PHDR 0xa400012e #define SCPDR 0xa4000136 -static void do_softint(void *data); +static void do_softint(struct work_struct *work); static struct input_dev *hp680_ts_dev; -static DECLARE_WORK(work, do_softint); +static DECLARE_DELAYED_WORK(work, do_softint); -static void do_softint(void *data) +static void do_softint(struct work_struct *work) { int absx = 0, absy = 0; u8 scpdr; diff --git a/drivers/input/touchscreen/ucb1400_ts.c b/drivers/input/touchscreen/ucb1400_ts.c index 6582816a0477..f0cbcdb008ed 100644 --- a/drivers/input/touchscreen/ucb1400_ts.c +++ b/drivers/input/touchscreen/ucb1400_ts.c @@ -288,9 +288,9 @@ static int ucb1400_ts_thread(void *_ucb) struct ucb1400 *ucb = _ucb; struct task_struct *tsk = current; int valid = 0; + struct sched_param param = { .sched_priority = 1 }; - tsk->policy = SCHED_FIFO; - tsk->rt_priority = 1; + sched_setscheduler(tsk, SCHED_FIFO, ¶m); while (!kthread_should_stop()) { unsigned int x, y, p; diff --git a/drivers/isdn/hardware/eicon/capifunc.c b/drivers/isdn/hardware/eicon/capifunc.c index ff284aeb8fbb..82edc1c1db7a 100644 --- a/drivers/isdn/hardware/eicon/capifunc.c +++ b/drivers/isdn/hardware/eicon/capifunc.c @@ -189,21 +189,21 @@ void *TransmitBufferSet(APPL * appl, dword ref) { appl->xbuffer_used[ref] = true; DBG_PRV1(("%d:xbuf_used(%d)", appl->Id, ref + 1)) - return (void *) ref; + return (void *)(long)ref; } void *TransmitBufferGet(APPL * appl, void *p) { - if (appl->xbuffer_internal[(dword) p]) - return appl->xbuffer_internal[(dword) p]; + if (appl->xbuffer_internal[(dword)(long)p]) + return appl->xbuffer_internal[(dword)(long)p]; - return appl->xbuffer_ptr[(dword) p]; + return appl->xbuffer_ptr[(dword)(long)p]; } void TransmitBufferFree(APPL * appl, void *p) { - appl->xbuffer_used[(dword) p] = false; - DBG_PRV1(("%d:xbuf_free(%d)", appl->Id, ((dword) p) + 1)) + appl->xbuffer_used[(dword)(long)p] = false; + DBG_PRV1(("%d:xbuf_free(%d)", appl->Id, ((dword)(long)p) + 1)) } void *ReceiveBufferGet(APPL * appl, int Num) @@ -301,7 +301,7 @@ void sendf(APPL * appl, word command, dword Id, word Number, byte * format, ...) /* if DATA_B3_IND, copy data too */ if (command == _DATA_B3_I) { dword data = GET_DWORD(&msg.info.data_b3_ind.Data); - memcpy(write + length, (void *) data, dlength); + memcpy(write + length, (void *)(long)data, dlength); } #ifndef DIVA_NO_DEBUGLIB @@ -318,7 +318,7 @@ void sendf(APPL * appl, word command, dword Id, word Number, byte * format, ...) if (myDriverDebugHandle.dbgMask & DL_BLK) { xlog("\x00\x02", &msg, 0x81, length); for (i = 0; i < dlength; i += 256) { - DBG_BLK((((char *) GET_DWORD(&msg.info.data_b3_ind.Data)) + i, + DBG_BLK((((char *)(long)GET_DWORD(&msg.info.data_b3_ind.Data)) + i, ((dlength - i) < 256) ? (dlength - i) : 256)) if (!(myDriverDebugHandle.dbgMask & DL_PRV0)) break; /* not more if not explicitely requested */ diff --git a/drivers/isdn/hardware/eicon/message.c b/drivers/isdn/hardware/eicon/message.c index 784232a144c8..ccd35d047ec8 100644 --- a/drivers/isdn/hardware/eicon/message.c +++ b/drivers/isdn/hardware/eicon/message.c @@ -1,4 +1,3 @@ - /* * Copyright (c) Eicon Networks, 2002. @@ -533,7 +532,7 @@ word api_put(APPL * appl, CAPI_MSG * msg) if (m->header.command == _DATA_B3_R) { - m->info.data_b3_req.Data = (dword)(TransmitBufferSet (appl, m->info.data_b3_req.Data)); + m->info.data_b3_req.Data = (dword)(long)(TransmitBufferSet (appl, m->info.data_b3_req.Data)); } @@ -1032,7 +1031,7 @@ static void plci_free_msg_in_queue (PLCI *plci) { TransmitBufferFree (plci->appl, - (byte *)(((CAPI_MSG *)(&((byte *)(plci->msg_in_queue))[i]))->info.data_b3_req.Data)); + (byte *)(long)(((CAPI_MSG *)(&((byte *)(plci->msg_in_queue))[i]))->info.data_b3_req.Data)); } @@ -3118,7 +3117,7 @@ byte data_b3_req(dword Id, word Number, DIVA_CAPI_ADAPTER * a, PLCI * plci, && (((byte *)(parms[0].info)) < ((byte *)(plci->msg_in_queue)) + sizeof(plci->msg_in_queue))) { - data->P = (byte *)(*((dword *)(parms[0].info))); + data->P = (byte *)(long)(*((dword *)(parms[0].info))); } else @@ -3151,7 +3150,7 @@ byte data_b3_req(dword Id, word Number, DIVA_CAPI_ADAPTER * a, PLCI * plci, && (((byte *)(parms[0].info)) < ((byte *)(plci->msg_in_queue)) + sizeof(plci->msg_in_queue))) { - TransmitBufferFree (appl, (byte *)(*((dword *)(parms[0].info)))); + TransmitBufferFree (appl, (byte *)(long)(*((dword *)(parms[0].info)))); } } @@ -4057,7 +4056,7 @@ capi_callback_suffix: { if (m->header.command == _DATA_B3_R) - TransmitBufferFree (appl, (byte *)(m->info.data_b3_req.Data)); + TransmitBufferFree (appl, (byte *)(long)(m->info.data_b3_req.Data)); dbug(1,dprintf("Error 0x%04x from msg(0x%04x)", i, m->header.command)); break; @@ -7134,7 +7133,7 @@ void nl_ind(PLCI * plci) case N_UDATA: if (!(udata_forwarding_table[plci->NL.RBuffer->P[0] >> 5] & (1L << (plci->NL.RBuffer->P[0] & 0x1f)))) { - plci->RData[0].P = plci->internal_ind_buffer + (-((int)(plci->internal_ind_buffer)) & 3); + plci->RData[0].P = plci->internal_ind_buffer + (-((int)(long)(plci->internal_ind_buffer)) & 3); plci->RData[0].PLength = INTERNAL_IND_BUFFER_SIZE; plci->NL.R = plci->RData; plci->NL.RNum = 1; diff --git a/drivers/isdn/hisax/config.c b/drivers/isdn/hisax/config.c index da4196f21e0f..8d53a7fd2671 100644 --- a/drivers/isdn/hisax/config.c +++ b/drivers/isdn/hisax/config.c @@ -1551,7 +1551,7 @@ int hisax_register(struct hisax_d_if *hisax_d_if, struct hisax_b_if *b_if[], if (retval == 0) { // yuck cards[i].typ = 0; nrcards--; - return retval; + return -EINVAL; } cs = cards[i].cs; hisax_d_if->cs = cs; diff --git a/drivers/isdn/hisax/hfc_usb.c b/drivers/isdn/hisax/hfc_usb.c index 1f18f1993387..b1a26e02df02 100644 --- a/drivers/isdn/hisax/hfc_usb.c +++ b/drivers/isdn/hisax/hfc_usb.c @@ -485,7 +485,6 @@ fill_isoc_urb(struct urb *urb, struct usb_device *dev, unsigned int pipe, { int k; - spin_lock_init(&urb->lock); urb->dev = dev; urb->pipe = pipe; urb->complete = complete; @@ -578,16 +577,14 @@ stop_isoc_chain(usb_fifo * fifo) "HFC-S USB: Stopping iso chain for fifo %i.%i", fifo->fifonum, i); #endif - usb_unlink_urb(fifo->iso[i].purb); + usb_kill_urb(fifo->iso[i].purb); usb_free_urb(fifo->iso[i].purb); fifo->iso[i].purb = NULL; } } - if (fifo->urb) { - usb_unlink_urb(fifo->urb); - usb_free_urb(fifo->urb); - fifo->urb = NULL; - } + usb_kill_urb(fifo->urb); + usb_free_urb(fifo->urb); + fifo->urb = NULL; fifo->active = 0; } @@ -1305,7 +1302,11 @@ usb_init(hfcusb_data * hfc) } /* default Prot: EURO ISDN, should be a module_param */ hfc->protocol = 2; - hisax_register(&hfc->d_if, p_b_if, "hfc_usb", hfc->protocol); + i = hisax_register(&hfc->d_if, p_b_if, "hfc_usb", hfc->protocol); + if (i) { + printk(KERN_INFO "HFC-S USB: hisax_register -> %d\n", i); + return i; + } #ifdef CONFIG_HISAX_DEBUG hfc_debug = debug; @@ -1626,11 +1627,9 @@ hfc_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) #endif /* init the chip and register the driver */ if (usb_init(context)) { - if (context->ctrl_urb) { - usb_unlink_urb(context->ctrl_urb); - usb_free_urb(context->ctrl_urb); - context->ctrl_urb = NULL; - } + usb_kill_urb(context->ctrl_urb); + usb_free_urb(context->ctrl_urb); + context->ctrl_urb = NULL; kfree(context); return (-EIO); } @@ -1682,21 +1681,15 @@ hfc_usb_disconnect(struct usb_interface i); #endif } - if (context->fifos[i].urb) { - usb_unlink_urb(context->fifos[i].urb); - usb_free_urb(context->fifos[i].urb); - context->fifos[i].urb = NULL; - } + usb_kill_urb(context->fifos[i].urb); + usb_free_urb(context->fifos[i].urb); + context->fifos[i].urb = NULL; } context->fifos[i].active = 0; } - /* wait for all URBS to terminate */ - mdelay(10); - if (context->ctrl_urb) { - usb_unlink_urb(context->ctrl_urb); - usb_free_urb(context->ctrl_urb); - context->ctrl_urb = NULL; - } + usb_kill_urb(context->ctrl_urb); + usb_free_urb(context->ctrl_urb); + context->ctrl_urb = NULL; hisax_unregister(&context->d_if); kfree(context); /* free our structure again */ } /* hfc_usb_disconnect */ diff --git a/drivers/isdn/hisax/hisax_fcpcipnp.c b/drivers/isdn/hisax/hisax_fcpcipnp.c index 9e088fce8c3a..7993e01f9fc5 100644 --- a/drivers/isdn/hisax/hisax_fcpcipnp.c +++ b/drivers/isdn/hisax/hisax_fcpcipnp.c @@ -859,7 +859,11 @@ new_adapter(void) for (i = 0; i < 2; i++) b_if[i] = &adapter->bcs[i].b_if; - hisax_register(&adapter->isac.hisax_d_if, b_if, "fcpcipnp", protocol); + if (hisax_register(&adapter->isac.hisax_d_if, b_if, "fcpcipnp", + protocol) != 0) { + kfree(adapter); + adapter = NULL; + } return adapter; } diff --git a/drivers/isdn/hisax/st5481_init.c b/drivers/isdn/hisax/st5481_init.c index bb3a28a53ff4..13751237bfcd 100644 --- a/drivers/isdn/hisax/st5481_init.c +++ b/drivers/isdn/hisax/st5481_init.c @@ -107,12 +107,17 @@ static int probe_st5481(struct usb_interface *intf, for (i = 0; i < 2; i++) b_if[i] = &adapter->bcs[i].b_if; - hisax_register(&adapter->hisax_d_if, b_if, "st5481_usb", protocol); + if (hisax_register(&adapter->hisax_d_if, b_if, "st5481_usb", + protocol) != 0) + goto err_b1; + st5481_start(adapter); usb_set_intfdata(intf, adapter); return 0; + err_b1: + st5481_release_b(&adapter->bcs[1]); err_b: st5481_release_b(&adapter->bcs[0]); err_d: diff --git a/drivers/isdn/hisax/st5481_usb.c b/drivers/isdn/hisax/st5481_usb.c index ff1595122048..4ada66b8b679 100644 --- a/drivers/isdn/hisax/st5481_usb.c +++ b/drivers/isdn/hisax/st5481_usb.c @@ -407,7 +407,6 @@ fill_isoc_urb(struct urb *urb, struct usb_device *dev, { int k; - spin_lock_init(&urb->lock); urb->dev=dev; urb->pipe=pipe; urb->interval = 1; diff --git a/drivers/macintosh/adbhid.c b/drivers/macintosh/adbhid.c index b77ef5187d6d..b46817f699f1 100644 --- a/drivers/macintosh/adbhid.c +++ b/drivers/macintosh/adbhid.c @@ -628,16 +628,16 @@ static void real_leds(unsigned char leds, int device) */ static int adbhid_kbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) { - struct adbhid *adbhid = dev->private; + struct adbhid *adbhid = input_get_drvdata(dev); unsigned char leds; switch (type) { case EV_LED: - leds = (test_bit(LED_SCROLLL, dev->led) ? 4 : 0) - | (test_bit(LED_NUML, dev->led) ? 1 : 0) - | (test_bit(LED_CAPSL, dev->led) ? 2 : 0); - real_leds(leds, adbhid->id); - return 0; + leds = (test_bit(LED_SCROLLL, dev->led) ? 4 : 0) | + (test_bit(LED_NUML, dev->led) ? 1 : 0) | + (test_bit(LED_CAPSL, dev->led) ? 2 : 0); + real_leds(leds, adbhid->id); + return 0; } return -1; @@ -649,7 +649,7 @@ adb_message_handler(struct notifier_block *this, unsigned long code, void *x) switch (code) { case ADB_MSG_PRE_RESET: case ADB_MSG_POWERDOWN: - /* Stop the repeat timer. Autopoll is already off at this point */ + /* Stop the repeat timer. Autopoll is already off at this point */ { int i; for (i = 1; i < 16; i++) { @@ -699,7 +699,7 @@ adbhid_input_register(int id, int default_id, int original_handler_id, hid->current_handler_id = current_handler_id; hid->mouse_kind = mouse_kind; hid->flags = 0; - input_dev->private = hid; + input_set_drvdata(input_dev, hid); input_dev->name = hid->name; input_dev->phys = hid->phys; input_dev->id.bustype = BUS_ADB; diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 5a4a74c1097c..9620d452d030 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -255,19 +255,25 @@ static struct page *read_sb_page(mddev_t *mddev, long offset, unsigned long inde } -static int write_sb_page(mddev_t *mddev, long offset, struct page *page, int wait) +static int write_sb_page(struct bitmap *bitmap, struct page *page, int wait) { mdk_rdev_t *rdev; struct list_head *tmp; + mddev_t *mddev = bitmap->mddev; ITERATE_RDEV(mddev, rdev, tmp) if (test_bit(In_sync, &rdev->flags) - && !test_bit(Faulty, &rdev->flags)) + && !test_bit(Faulty, &rdev->flags)) { + int size = PAGE_SIZE; + if (page->index == bitmap->file_pages-1) + size = roundup(bitmap->last_page_size, + bdev_hardsect_size(rdev->bdev)); md_super_write(mddev, rdev, - (rdev->sb_offset<<1) + offset + (rdev->sb_offset<<1) + bitmap->offset + page->index * (PAGE_SIZE/512), - PAGE_SIZE, + size, page); + } if (wait) md_super_wait(mddev); @@ -282,7 +288,7 @@ static int write_page(struct bitmap *bitmap, struct page *page, int wait) struct buffer_head *bh; if (bitmap->file == NULL) - return write_sb_page(bitmap->mddev, bitmap->offset, page, wait); + return write_sb_page(bitmap, page, wait); bh = page_buffers(page); @@ -923,6 +929,7 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start) } bitmap->filemap[bitmap->file_pages++] = page; + bitmap->last_page_size = count; } paddr = kmap_atomic(page, KM_USER0); if (bitmap->flags & BITMAP_HOSTENDIAN) diff --git a/drivers/md/linear.c b/drivers/md/linear.c index d5ecd2d53046..192741083196 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -139,8 +139,6 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks) if (!conf) return NULL; - mddev->private = conf; - cnt = 0; conf->array_size = 0; @@ -232,7 +230,7 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks) * First calculate the device offsets. */ conf->disks[0].offset = 0; - for (i=1; i<mddev->raid_disks; i++) + for (i = 1; i < raid_disks; i++) conf->disks[i].offset = conf->disks[i-1].offset + conf->disks[i-1].size; @@ -244,7 +242,7 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks) curr_offset < conf->array_size; curr_offset += conf->hash_spacing) { - while (i < mddev->raid_disks-1 && + while (i < raid_disks-1 && curr_offset >= conf->disks[i+1].offset) i++; @@ -299,9 +297,11 @@ static int linear_add(mddev_t *mddev, mdk_rdev_t *rdev) */ linear_conf_t *newconf; - if (rdev->raid_disk != mddev->raid_disks) + if (rdev->saved_raid_disk != mddev->raid_disks) return -EINVAL; + rdev->raid_disk = rdev->saved_raid_disk; + newconf = linear_conf(mddev,mddev->raid_disks+1); if (!newconf) diff --git a/drivers/md/md.c b/drivers/md/md.c index c10ce91b64e9..1c54f3c1cca7 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1298,8 +1298,9 @@ static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev) ITERATE_RDEV(mddev,rdev2,tmp) if (rdev2->desc_nr+1 > max_dev) max_dev = rdev2->desc_nr+1; - - sb->max_dev = cpu_to_le32(max_dev); + + if (max_dev > le32_to_cpu(sb->max_dev)) + sb->max_dev = cpu_to_le32(max_dev); for (i=0; i<max_dev;i++) sb->dev_roles[i] = cpu_to_le16(0xfffe); @@ -1365,10 +1366,14 @@ static int bind_rdev_to_array(mdk_rdev_t * rdev, mddev_t * mddev) } /* make sure rdev->size exceeds mddev->size */ if (rdev->size && (mddev->size == 0 || rdev->size < mddev->size)) { - if (mddev->pers) - /* Cannot change size, so fail */ - return -ENOSPC; - else + if (mddev->pers) { + /* Cannot change size, so fail + * If mddev->level <= 0, then we don't care + * about aligning sizes (e.g. linear) + */ + if (mddev->level > 0) + return -ENOSPC; + } else mddev->size = rdev->size; } @@ -2142,6 +2147,9 @@ static void analyze_sbs(mddev_t * mddev) rdev->desc_nr = i++; rdev->raid_disk = rdev->desc_nr; set_bit(In_sync, &rdev->flags); + } else if (rdev->raid_disk >= mddev->raid_disks) { + rdev->raid_disk = -1; + clear_bit(In_sync, &rdev->flags); } } diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index dfe32149ad3a..2c404f73a377 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -415,7 +415,7 @@ static int raid0_make_request (request_queue_t *q, struct bio *bio) raid0_conf_t *conf = mddev_to_conf(mddev); struct strip_zone *zone; mdk_rdev_t *tmp_dev; - unsigned long chunk; + sector_t chunk; sector_t block, rsect; const int rw = bio_data_dir(bio); @@ -470,7 +470,6 @@ static int raid0_make_request (request_queue_t *q, struct bio *bio) sector_div(x, zone->nb_dev); chunk = x; - BUG_ON(x != (sector_t)chunk); x = block >> chunksize_bits; tmp_dev = zone->dev[sector_div(x, zone->nb_dev)]; diff --git a/drivers/media/dvb/bt8xx/dst.c b/drivers/media/dvb/bt8xx/dst.c index 0393a3d19920..e908e3cf1e50 100644 --- a/drivers/media/dvb/bt8xx/dst.c +++ b/drivers/media/dvb/bt8xx/dst.c @@ -1721,9 +1721,6 @@ static void dst_release(struct dvb_frontend *fe) symbol_put(dst_ca_attach); #endif } -#ifdef CONFIG_DVB_CORE_ATTACH - symbol_put(dst_attach); -#endif kfree(state); } diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c index e23d8a0ea1d3..a9fa3337dd81 100644 --- a/drivers/media/dvb/dvb-core/dvbdev.c +++ b/drivers/media/dvb/dvb-core/dvbdev.c @@ -200,7 +200,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, { struct dvb_device *dvbdev; struct file_operations *dvbdevfops; - + struct class_device *clsdev; int id; mutex_lock(&dvbdev_register_lock); @@ -242,8 +242,15 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, mutex_unlock(&dvbdev_register_lock); - class_device_create(dvb_class, NULL, MKDEV(DVB_MAJOR, nums2minor(adap->num, type, id)), - adap->device, "dvb%d.%s%d", adap->num, dnames[type], id); + clsdev = class_device_create(dvb_class, NULL, MKDEV(DVB_MAJOR, + nums2minor(adap->num, type, id)), + adap->device, "dvb%d.%s%d", adap->num, + dnames[type], id); + if (IS_ERR(clsdev)) { + printk(KERN_ERR "%s: failed to create device dvb%d.%s%d (%ld)\n", + __FUNCTION__, adap->num, dnames[type], id, PTR_ERR(clsdev)); + return PTR_ERR(clsdev); + } dprintk("DVB: register adapter%d/%s%d @ minor: %i (0x%02x)\n", adap->num, dnames[type], id, nums2minor(adap->num, type, id), @@ -431,7 +438,7 @@ static void __exit exit_dvbdev(void) unregister_chrdev_region(MKDEV(DVB_MAJOR, 0), MAX_DVB_MINORS); } -module_init(init_dvbdev); +subsys_initcall(init_dvbdev); module_exit(exit_dvbdev); MODULE_DESCRIPTION("DVB Core Driver"); diff --git a/drivers/media/video/cafe_ccic-regs.h b/drivers/media/video/cafe_ccic-regs.h index b2c22a0d6643..8e2a87cdc791 100644 --- a/drivers/media/video/cafe_ccic-regs.h +++ b/drivers/media/video/cafe_ccic-regs.h @@ -150,6 +150,12 @@ #define REG_GL_IMASK 0x300c /* Interrupt mask register */ #define GIMSK_CCIC_EN 0x00000004 /* CCIC Interrupt enable */ +#define REG_GL_FCR 0x3038 /* GPIO functional control register */ +#define GFCR_GPIO_ON 0x08 /* Camera GPIO enabled */ +#define REG_GL_GPIOR 0x315c /* GPIO register */ +#define GGPIO_OUT 0x80000 /* GPIO output */ +#define GGPIO_VAL 0x00008 /* Output pin value */ + #define REG_LEN REG_GL_IMASK + 4 diff --git a/drivers/media/video/cafe_ccic.c b/drivers/media/video/cafe_ccic.c index 96254dbaf625..c08f650df423 100644 --- a/drivers/media/video/cafe_ccic.c +++ b/drivers/media/video/cafe_ccic.c @@ -775,6 +775,12 @@ static void cafe_ctlr_power_up(struct cafe_camera *cam) spin_lock_irqsave(&cam->dev_lock, flags); cafe_reg_clear_bit(cam, REG_CTRL1, C1_PWRDWN); /* + * Part one of the sensor dance: turn the global + * GPIO signal on. + */ + cafe_reg_write(cam, REG_GL_FCR, GFCR_GPIO_ON); + cafe_reg_write(cam, REG_GL_GPIOR, GGPIO_OUT|GGPIO_VAL); + /* * Put the sensor into operational mode (assumes OLPC-style * wiring). Control 0 is reset - set to 1 to operate. * Control 1 is power down, set to 0 to operate. @@ -784,6 +790,7 @@ static void cafe_ctlr_power_up(struct cafe_camera *cam) cafe_reg_write(cam, REG_GPR, GPR_C1EN|GPR_C0EN|GPR_C0); // mdelay(1); /* Enough? */ spin_unlock_irqrestore(&cam->dev_lock, flags); + msleep(5); /* Just to be sure */ } static void cafe_ctlr_power_down(struct cafe_camera *cam) @@ -792,6 +799,8 @@ static void cafe_ctlr_power_down(struct cafe_camera *cam) spin_lock_irqsave(&cam->dev_lock, flags); cafe_reg_write(cam, REG_GPR, GPR_C1EN|GPR_C0EN|GPR_C1); + cafe_reg_write(cam, REG_GL_FCR, GFCR_GPIO_ON); + cafe_reg_write(cam, REG_GL_GPIOR, GGPIO_OUT); cafe_reg_set_bit(cam, REG_CTRL1, C1_PWRDWN); spin_unlock_irqrestore(&cam->dev_lock, flags); } @@ -851,6 +860,7 @@ static int cafe_cam_init(struct cafe_camera *cam) ret = 0; cam->state = S_IDLE; out: + cafe_ctlr_power_down(cam); mutex_unlock(&cam->s_mutex); return ret; } @@ -2103,10 +2113,16 @@ static int cafe_pci_probe(struct pci_dev *pdev, ret = request_irq(pdev->irq, cafe_irq, IRQF_SHARED, "cafe-ccic", cam); if (ret) goto out_iounmap; + /* + * Initialize the controller and leave it powered up. It will + * stay that way until the sensor driver shows up. + */ cafe_ctlr_init(cam); cafe_ctlr_power_up(cam); /* - * Set up I2C/SMBUS communications + * Set up I2C/SMBUS communications. We have to drop the mutex here + * because the sensor could attach in this call chain, leading to + * unsightly deadlocks. */ mutex_unlock(&cam->s_mutex); /* attach can deadlock */ ret = cafe_smbus_setup(cam); diff --git a/drivers/media/video/em28xx/Kconfig b/drivers/media/video/em28xx/Kconfig index 2c450bd05af5..5b6a40371602 100644 --- a/drivers/media/video/em28xx/Kconfig +++ b/drivers/media/video/em28xx/Kconfig @@ -1,7 +1,6 @@ config VIDEO_EM28XX tristate "Empia EM2800/2820/2840 USB video capture support" - depends on VIDEO_V4L1 && I2C && PCI - select VIDEO_BUF + depends on VIDEO_V4L1 && I2C select VIDEO_TUNER select VIDEO_TVEEPROM select VIDEO_IR diff --git a/drivers/media/video/ivtv/Kconfig b/drivers/media/video/ivtv/Kconfig index 0cc98a0e2496..1aaeaa02f158 100644 --- a/drivers/media/video/ivtv/Kconfig +++ b/drivers/media/video/ivtv/Kconfig @@ -1,6 +1,6 @@ config VIDEO_IVTV tristate "Conexant cx23416/cx23415 MPEG encoder/decoder support" - depends on VIDEO_V4L1 && VIDEO_V4L2 && USB && I2C && EXPERIMENTAL && PCI + depends on VIDEO_V4L1 && VIDEO_V4L2 && PCI && I2C && EXPERIMENTAL select FW_LOADER select VIDEO_TUNER select VIDEO_TVEEPROM diff --git a/drivers/media/video/ivtv/ivtv-driver.h b/drivers/media/video/ivtv/ivtv-driver.h index 9a412d6c6d06..552f04511ead 100644 --- a/drivers/media/video/ivtv/ivtv-driver.h +++ b/drivers/media/video/ivtv/ivtv-driver.h @@ -67,14 +67,6 @@ #include <media/ivtv.h> -#ifdef CONFIG_LIRC_I2C -# error "This driver is not compatible with the LIRC I2C kernel configuration option." -#endif /* CONFIG_LIRC_I2C */ - -#ifndef CONFIG_PCI -# error "This driver requires kernel PCI support." -#endif /* CONFIG_PCI */ - #define IVTV_ENCODER_OFFSET 0x00000000 #define IVTV_ENCODER_SIZE 0x00800000 /* Last half isn't needed 0x01000000 */ diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c index 794a6a02f82f..1989ec1cb973 100644 --- a/drivers/media/video/ivtv/ivtv-ioctl.c +++ b/drivers/media/video/ivtv/ivtv-ioctl.c @@ -362,8 +362,6 @@ static int ivtv_get_fmt(struct ivtv *itv, int streamtype, struct v4l2_format *fm case V4L2_BUF_TYPE_VIDEO_OUTPUT: if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) return -EINVAL; - fmt->fmt.pix.left = itv->main_rect.left; - fmt->fmt.pix.top = itv->main_rect.top; fmt->fmt.pix.width = itv->main_rect.width; fmt->fmt.pix.height = itv->main_rect.height; fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; @@ -402,8 +400,6 @@ static int ivtv_get_fmt(struct ivtv *itv, int streamtype, struct v4l2_format *fm break; case V4L2_BUF_TYPE_VIDEO_CAPTURE: - fmt->fmt.pix.left = 0; - fmt->fmt.pix.top = 0; fmt->fmt.pix.width = itv->params.width; fmt->fmt.pix.height = itv->params.height; fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; @@ -498,15 +494,13 @@ static int ivtv_try_or_set_fmt(struct ivtv *itv, int streamtype, if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) return -EINVAL; field = fmt->fmt.pix.field; - r.top = fmt->fmt.pix.top; - r.left = fmt->fmt.pix.left; + r.top = 0; + r.left = 0; r.width = fmt->fmt.pix.width; r.height = fmt->fmt.pix.height; ivtv_get_fmt(itv, streamtype, fmt); if (itv->output_mode != OUT_UDMA_YUV) { /* TODO: would setting the rect also be valid for this mode? */ - fmt->fmt.pix.top = r.top; - fmt->fmt.pix.left = r.left; fmt->fmt.pix.width = r.width; fmt->fmt.pix.height = r.height; } @@ -1141,8 +1135,6 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void fb->fmt.pixelformat = itv->osd_pixelformat; fb->fmt.width = itv->osd_rect.width; fb->fmt.height = itv->osd_rect.height; - fb->fmt.left = itv->osd_rect.left; - fb->fmt.top = itv->osd_rect.top; fb->base = (void *)itv->osd_video_pbase; if (itv->osd_global_alpha_state) fb->flags |= V4L2_FBUF_FLAG_GLOBAL_ALPHA; diff --git a/drivers/media/video/ov7670.c b/drivers/media/video/ov7670.c index 03bc369a9e49..3ceb8a6249dd 100644 --- a/drivers/media/video/ov7670.c +++ b/drivers/media/video/ov7670.c @@ -720,12 +720,22 @@ static int ov7670_s_fmt(struct i2c_client *c, struct v4l2_format *fmt) struct ov7670_format_struct *ovfmt; struct ov7670_win_size *wsize; struct ov7670_info *info = i2c_get_clientdata(c); - unsigned char com7; + unsigned char com7, clkrc; ret = ov7670_try_fmt(c, fmt, &ovfmt, &wsize); if (ret) return ret; /* + * HACK: if we're running rgb565 we need to grab then rewrite + * CLKRC. If we're *not*, however, then rewriting clkrc hoses + * the colors. + */ + if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_RGB565) { + ret = ov7670_read(c, REG_CLKRC, &clkrc); + if (ret) + return ret; + } + /* * COM7 is a pain in the ass, it doesn't like to be read then * quickly written afterward. But we have everything we need * to set it absolutely here, as long as the format-specific @@ -744,7 +754,10 @@ static int ov7670_s_fmt(struct i2c_client *c, struct v4l2_format *fmt) if (wsize->regs) ret = ov7670_write_array(c, wsize->regs); info->fmt = ovfmt; - return 0; + + if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_RGB565 && ret == 0) + ret = ov7670_write(c, REG_CLKRC, clkrc); + return ret; } /* @@ -1267,7 +1280,9 @@ static int ov7670_attach(struct i2c_adapter *adapter) ret = ov7670_detect(client); if (ret) goto out_free_info; - i2c_attach_client(client); + ret = i2c_attach_client(client); + if (ret) + goto out_free_info; return 0; out_free_info: diff --git a/drivers/media/video/tuner-simple.c b/drivers/media/video/tuner-simple.c index 1b9b0742f753..c40b92ce1fad 100644 --- a/drivers/media/video/tuner-simple.c +++ b/drivers/media/video/tuner-simple.c @@ -205,9 +205,13 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq) /* 0x01 -> ??? no change ??? */ /* 0x02 -> PAL BDGHI / SECAM L */ /* 0x04 -> ??? PAL others / SECAM others ??? */ - cb &= ~0x02; - if (t->std & V4L2_STD_SECAM) - cb |= 0x02; + cb &= ~0x03; + if (t->std & V4L2_STD_SECAM_L) //also valid for V4L2_STD_SECAM + cb |= PHILIPS_MF_SET_PAL_L; + else if (t->std & V4L2_STD_SECAM_LC) + cb |= PHILIPS_MF_SET_PAL_L2; + else /* V4L2_STD_B|V4L2_STD_GH */ + cb |= PHILIPS_MF_SET_BG; break; case TUNER_TEMIC_4046FM5: diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h index d25d3be8fcd2..165f81d16d00 100644 --- a/drivers/message/fusion/mptbase.h +++ b/drivers/message/fusion/mptbase.h @@ -436,7 +436,7 @@ typedef struct _MPT_SAS_MGMT { typedef struct _mpt_ioctl_events { u32 event; /* Specified by define above */ u32 eventContext; /* Index or counter */ - int data[2]; /* First 8 bytes of Event Data */ + u32 data[2]; /* First 8 bytes of Event Data */ } MPT_IOCTL_EVENTS; /* diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c index fa0f7761652a..3bd94f11e7d6 100644 --- a/drivers/message/fusion/mptscsih.c +++ b/drivers/message/fusion/mptscsih.c @@ -2463,11 +2463,11 @@ mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE; ioc->events[idx].eventContext = ioc->eventContext; - ioc->events[idx].data[0] = (pReq->LUN[1] << 24) || - (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) || - (sc->device->channel << 8) || sc->device->id; + ioc->events[idx].data[0] = (pReq->LUN[1] << 24) | + (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) | + (sc->device->channel << 8) | sc->device->id; - ioc->events[idx].data[1] = (sense_data[13] << 8) || sense_data[12]; + ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12]; ioc->eventContext++; if (hd->ioc->pcidev->vendor == diff --git a/drivers/message/i2o/driver.c b/drivers/message/i2o/driver.c index d3235f213c89..e0d474b17433 100644 --- a/drivers/message/i2o/driver.c +++ b/drivers/message/i2o/driver.c @@ -123,8 +123,12 @@ int i2o_driver_register(struct i2o_driver *drv) } rc = driver_register(&drv->driver); - if (rc) - destroy_workqueue(drv->event_queue); + if (rc) { + if (drv->event) { + destroy_workqueue(drv->event_queue); + drv->event_queue = NULL; + } + } return rc; }; @@ -256,7 +260,7 @@ void i2o_driver_notify_controller_add_all(struct i2o_controller *c) int i; struct i2o_driver *drv; - for (i = 0; i < I2O_MAX_DRIVERS; i++) { + for (i = 0; i < i2o_max_drivers; i++) { drv = i2o_drivers[i]; if (drv) @@ -276,7 +280,7 @@ void i2o_driver_notify_controller_remove_all(struct i2o_controller *c) int i; struct i2o_driver *drv; - for (i = 0; i < I2O_MAX_DRIVERS; i++) { + for (i = 0; i < i2o_max_drivers; i++) { drv = i2o_drivers[i]; if (drv) @@ -295,7 +299,7 @@ void i2o_driver_notify_device_add_all(struct i2o_device *i2o_dev) int i; struct i2o_driver *drv; - for (i = 0; i < I2O_MAX_DRIVERS; i++) { + for (i = 0; i < i2o_max_drivers; i++) { drv = i2o_drivers[i]; if (drv) @@ -314,7 +318,7 @@ void i2o_driver_notify_device_remove_all(struct i2o_device *i2o_dev) int i; struct i2o_driver *drv; - for (i = 0; i < I2O_MAX_DRIVERS; i++) { + for (i = 0; i < i2o_max_drivers; i++) { drv = i2o_drivers[i]; if (drv) @@ -335,17 +339,15 @@ int __init i2o_driver_init(void) spin_lock_init(&i2o_drivers_lock); - if ((i2o_max_drivers < 2) || (i2o_max_drivers > 64) || - ((i2o_max_drivers ^ (i2o_max_drivers - 1)) != - (2 * i2o_max_drivers - 1))) { - osm_warn("max_drivers set to %d, but must be >=2 and <= 64 and " - "a power of 2\n", i2o_max_drivers); + if ((i2o_max_drivers < 2) || (i2o_max_drivers > 64)) { + osm_warn("max_drivers set to %d, but must be >=2 and <= 64\n", + i2o_max_drivers); i2o_max_drivers = I2O_MAX_DRIVERS; } osm_info("max drivers = %d\n", i2o_max_drivers); i2o_drivers = - kzalloc(i2o_max_drivers * sizeof(*i2o_drivers), GFP_KERNEL); + kcalloc(i2o_max_drivers, sizeof(*i2o_drivers), GFP_KERNEL); if (!i2o_drivers) return -ENOMEM; diff --git a/drivers/mfd/ucb1x00-ts.c b/drivers/mfd/ucb1x00-ts.c index cb8c264eaff0..7772bd1d92b4 100644 --- a/drivers/mfd/ucb1x00-ts.c +++ b/drivers/mfd/ucb1x00-ts.c @@ -207,16 +207,7 @@ static int ucb1x00_thread(void *_ts) struct ucb1x00_ts *ts = _ts; struct task_struct *tsk = current; DECLARE_WAITQUEUE(wait, tsk); - int valid; - - /* - * We could run as a real-time thread. However, thus far - * this doesn't seem to be necessary. - */ -// tsk->policy = SCHED_FIFO; -// tsk->rt_priority = 1; - - valid = 0; + int valid = 0; add_wait_queue(&ts->irq_wait, &wait); while (!kthread_should_stop()) { diff --git a/drivers/misc/phantom.c b/drivers/misc/phantom.c index 35b139b0e5f2..5108b7c576df 100644 --- a/drivers/misc/phantom.c +++ b/drivers/misc/phantom.c @@ -47,6 +47,7 @@ struct phantom_device { struct cdev cdev; struct mutex open_lock; + spinlock_t ioctl_lock; }; static unsigned char phantom_devices[PHANTOM_MAX_MINORS]; @@ -59,8 +60,11 @@ static int phantom_status(struct phantom_device *dev, unsigned long newstat) atomic_set(&dev->counter, 0); iowrite32(PHN_CTL_IRQ, dev->iaddr + PHN_CONTROL); iowrite32(0x43, dev->caddr + PHN_IRQCTL); - } else if ((dev->status & PHB_RUNNING) && !(newstat & PHB_RUNNING)) + ioread32(dev->caddr + PHN_IRQCTL); /* PCI posting */ + } else if ((dev->status & PHB_RUNNING) && !(newstat & PHB_RUNNING)) { iowrite32(0, dev->caddr + PHN_IRQCTL); + ioread32(dev->caddr + PHN_IRQCTL); /* PCI posting */ + } dev->status = newstat; @@ -71,8 +75,8 @@ static int phantom_status(struct phantom_device *dev, unsigned long newstat) * File ops */ -static int phantom_ioctl(struct inode *inode, struct file *file, u_int cmd, - u_long arg) +static long phantom_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) { struct phantom_device *dev = file->private_data; struct phm_regs rs; @@ -92,24 +96,32 @@ static int phantom_ioctl(struct inode *inode, struct file *file, u_int cmd, if (r.reg > 7) return -EINVAL; + spin_lock(&dev->ioctl_lock); if (r.reg == PHN_CONTROL && (r.value & PHN_CTL_IRQ) && - phantom_status(dev, dev->status | PHB_RUNNING)) + phantom_status(dev, dev->status | PHB_RUNNING)){ + spin_unlock(&dev->ioctl_lock); return -ENODEV; + } pr_debug("phantom: writing %x to %u\n", r.value, r.reg); iowrite32(r.value, dev->iaddr + r.reg); + ioread32(dev->iaddr); /* PCI posting */ if (r.reg == PHN_CONTROL && !(r.value & PHN_CTL_IRQ)) phantom_status(dev, dev->status & ~PHB_RUNNING); + spin_unlock(&dev->ioctl_lock); break; case PHN_SET_REGS: if (copy_from_user(&rs, argp, sizeof(rs))) return -EFAULT; pr_debug("phantom: SRS %u regs %x\n", rs.count, rs.mask); + spin_lock(&dev->ioctl_lock); for (i = 0; i < min(rs.count, 8U); i++) if ((1 << i) & rs.mask) iowrite32(rs.values[i], dev->oaddr + i); + ioread32(dev->iaddr); /* PCI posting */ + spin_unlock(&dev->ioctl_lock); break; case PHN_GET_REG: if (copy_from_user(&r, argp, sizeof(r))) @@ -128,9 +140,11 @@ static int phantom_ioctl(struct inode *inode, struct file *file, u_int cmd, return -EFAULT; pr_debug("phantom: GRS %u regs %x\n", rs.count, rs.mask); + spin_lock(&dev->ioctl_lock); for (i = 0; i < min(rs.count, 8U); i++) if ((1 << i) & rs.mask) rs.values[i] = ioread32(dev->iaddr + i); + spin_unlock(&dev->ioctl_lock); if (copy_to_user(argp, &rs, sizeof(rs))) return -EFAULT; @@ -199,7 +213,7 @@ static unsigned int phantom_poll(struct file *file, poll_table *wait) static struct file_operations phantom_file_ops = { .open = phantom_open, .release = phantom_release, - .ioctl = phantom_ioctl, + .unlocked_ioctl = phantom_ioctl, .poll = phantom_poll, }; @@ -212,6 +226,7 @@ static irqreturn_t phantom_isr(int irq, void *data) iowrite32(0, dev->iaddr); iowrite32(0xc0, dev->iaddr); + ioread32(dev->iaddr); /* PCI posting */ atomic_inc(&dev->counter); wake_up_interruptible(&dev->wait); @@ -282,11 +297,13 @@ static int __devinit phantom_probe(struct pci_dev *pdev, } mutex_init(&pht->open_lock); + spin_lock_init(&pht->ioctl_lock); init_waitqueue_head(&pht->wait); cdev_init(&pht->cdev, &phantom_file_ops); pht->cdev.owner = THIS_MODULE; iowrite32(0, pht->caddr + PHN_IRQCTL); + ioread32(pht->caddr + PHN_IRQCTL); /* PCI posting */ retval = request_irq(pdev->irq, phantom_isr, IRQF_SHARED | IRQF_DISABLED, "phantom", pht); if (retval) { @@ -337,6 +354,7 @@ static void __devexit phantom_remove(struct pci_dev *pdev) cdev_del(&pht->cdev); iowrite32(0, pht->caddr + PHN_IRQCTL); + ioread32(pht->caddr + PHN_IRQCTL); /* PCI posting */ free_irq(pdev->irq, pht); pci_iounmap(pdev, pht->oaddr); @@ -358,6 +376,7 @@ static int phantom_suspend(struct pci_dev *pdev, pm_message_t state) struct phantom_device *dev = pci_get_drvdata(pdev); iowrite32(0, dev->caddr + PHN_IRQCTL); + ioread32(dev->caddr + PHN_IRQCTL); /* PCI posting */ return 0; } diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index a7562f7fc0b3..540ff4bea54c 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -135,23 +135,6 @@ struct mmc_blk_request { struct mmc_data data; }; -static int mmc_blk_prep_rq(struct mmc_queue *mq, struct request *req) -{ - struct mmc_blk_data *md = mq->data; - int stat = BLKPREP_OK; - - /* - * If we have no device, we haven't finished initialising. - */ - if (!md || !mq->card) { - printk(KERN_ERR "%s: killing request - no device/host\n", - req->rq_disk->disk_name); - stat = BLKPREP_KILL; - } - - return stat; -} - static u32 mmc_sd_num_wr_blocks(struct mmc_card *card) { int err; @@ -460,7 +443,6 @@ static struct mmc_blk_data *mmc_blk_alloc(struct mmc_card *card) if (ret) goto err_putdisk; - md->queue.prep_fn = mmc_blk_prep_rq; md->queue.issue_fn = mmc_blk_issue_rq; md->queue.data = md; diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c index 2e77963db334..dd97bc798409 100644 --- a/drivers/mmc/card/queue.c +++ b/drivers/mmc/card/queue.c @@ -20,40 +20,21 @@ #define MMC_QUEUE_SUSPENDED (1 << 0) /* - * Prepare a MMC request. Essentially, this means passing the - * preparation off to the media driver. The media driver will - * create a mmc_io_request in req->special. + * Prepare a MMC request. This just filters out odd stuff. */ static int mmc_prep_request(struct request_queue *q, struct request *req) { - struct mmc_queue *mq = q->queuedata; - int ret = BLKPREP_KILL; - - if (blk_special_request(req)) { - /* - * Special commands already have the command - * blocks already setup in req->special. - */ - BUG_ON(!req->special); - - ret = BLKPREP_OK; - } else if (blk_fs_request(req) || blk_pc_request(req)) { - /* - * Block I/O requests need translating according - * to the protocol. - */ - ret = mq->prep_fn(mq, req); - } else { - /* - * Everything else is invalid. - */ + /* + * We only like normal block requests. + */ + if (!blk_fs_request(req) && !blk_pc_request(req)) { blk_dump_rq_flags(req, "MMC bad request"); + return BLKPREP_KILL; } - if (ret == BLKPREP_OK) - req->cmd_flags |= REQ_DONTPREP; + req->cmd_flags |= REQ_DONTPREP; - return ret; + return BLKPREP_OK; } static int mmc_queue_thread(void *d) diff --git a/drivers/mmc/card/queue.h b/drivers/mmc/card/queue.h index c9f139e764f6..1590b3f3f1f7 100644 --- a/drivers/mmc/card/queue.h +++ b/drivers/mmc/card/queue.h @@ -10,20 +10,12 @@ struct mmc_queue { struct semaphore thread_sem; unsigned int flags; struct request *req; - int (*prep_fn)(struct mmc_queue *, struct request *); int (*issue_fn)(struct mmc_queue *, struct request *); void *data; struct request_queue *queue; struct scatterlist *sg; }; -struct mmc_io_request { - struct request *rq; - int num; - struct mmc_command selcmd; /* mmc_queue private */ - struct mmc_command cmd[4]; /* max 4 commands */ -}; - extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *); extern void mmc_cleanup_queue(struct mmc_queue *); extern void mmc_queue_suspend(struct mmc_queue *); diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 3b204bac1a1d..1798a9f9fb25 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2218,7 +2218,7 @@ config SK98LIN config VIA_VELOCITY tristate "VIA Velocity support" - depends on NET_PCI && PCI + depends on PCI select CRC32 select CRC_CCITT select MII diff --git a/drivers/net/arcnet/Kconfig b/drivers/net/arcnet/Kconfig index 7284ccad0b91..4030274fe788 100644 --- a/drivers/net/arcnet/Kconfig +++ b/drivers/net/arcnet/Kconfig @@ -2,10 +2,8 @@ # Arcnet configuration # -menu "ARCnet devices" +menuconfig ARCNET depends on NETDEVICES && (ISA || PCI) - -config ARCNET tristate "ARCnet support" ---help--- If you have a network card of this type, say Y and check out the @@ -25,9 +23,10 @@ config ARCNET <file:Documentation/networking/net-modules.txt>. The module will be called arcnet. +if ARCNET + config ARCNET_1201 tristate "Enable standard ARCNet packet format (RFC 1201)" - depends on ARCNET help This allows you to use RFC1201 with your ARCnet card via the virtual arc0 device. You need to say Y here to communicate with @@ -38,7 +37,6 @@ config ARCNET_1201 config ARCNET_1051 tristate "Enable old ARCNet packet format (RFC 1051)" - depends on ARCNET ---help--- This allows you to use RFC1051 with your ARCnet card via the virtual arc0s device. You only need arc0s if you want to talk to ARCnet @@ -53,7 +51,6 @@ config ARCNET_1051 config ARCNET_RAW tristate "Enable raw mode packet interface" - depends on ARCNET help ARCnet "raw mode" packet encapsulation, no soft headers. Unlikely to work unless talking to a copy of the same Linux arcnet driver, @@ -61,7 +58,6 @@ config ARCNET_RAW config ARCNET_CAP tristate "Enable CAP mode packet interface" - depends on ARCNET help ARCnet "cap mode" packet encapsulation. Used to get the hardware acknowledge back to userspace. After the initial protocol byte every @@ -80,7 +76,6 @@ config ARCNET_CAP config ARCNET_COM90xx tristate "ARCnet COM90xx (normal) chipset driver" - depends on ARCNET help This is the chipset driver for the standard COM90xx cards. If you have always used the old ARCnet driver without knowing what type of @@ -92,7 +87,6 @@ config ARCNET_COM90xx config ARCNET_COM90xxIO tristate "ARCnet COM90xx (IO mapped) chipset driver" - depends on ARCNET ---help--- This is the chipset driver for the COM90xx cards, using them in IO-mapped mode instead of memory-mapped mode. This is slower than @@ -105,7 +99,6 @@ config ARCNET_COM90xxIO config ARCNET_RIM_I tristate "ARCnet COM90xx (RIM I) chipset driver" - depends on ARCNET ---help--- This is yet another chipset driver for the COM90xx cards, but this time only using memory-mapped mode, and no IO ports at all. This @@ -118,7 +111,6 @@ config ARCNET_RIM_I config ARCNET_COM20020 tristate "ARCnet COM20020 chipset driver" - depends on ARCNET help This is the driver for the new COM20020 chipset. It supports such things as promiscuous mode, so packet sniffing is possible, and @@ -136,5 +128,4 @@ config ARCNET_COM20020_PCI tristate "Support for COM20020 on PCI" depends on ARCNET_COM20020 && PCI -endmenu - +endif # ARCNET diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c index 4aec747d9e43..9fe3a38883ee 100644 --- a/drivers/net/cassini.c +++ b/drivers/net/cassini.c @@ -4919,7 +4919,10 @@ static int __devinit cas_init_one(struct pci_dev *pdev, pci_cmd &= ~PCI_COMMAND_SERR; pci_cmd |= PCI_COMMAND_PARITY; pci_write_config_word(pdev, PCI_COMMAND, pci_cmd); - pci_set_mwi(pdev); + if (pci_set_mwi(pdev)) + printk(KERN_WARNING PFX "Could enable MWI for %s\n", + pci_name(pdev)); + /* * On some architectures, the default cache line size set * by pci_set_mwi reduces perforamnce. We have to increase diff --git a/drivers/net/chelsio/suni1x10gexp_regs.h b/drivers/net/chelsio/suni1x10gexp_regs.h index 269d097dd927..d0f87d82566a 100644 --- a/drivers/net/chelsio/suni1x10gexp_regs.h +++ b/drivers/net/chelsio/suni1x10gexp_regs.h @@ -105,7 +105,7 @@ #define mSUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_LOW(filterId) (0x204A + mSUNI1x10GEXP_MAC_FILTER_OFFSET(filterId)) #define mSUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_MID(filterId) (0x204B + mSUNI1x10GEXP_MAC_FILTER_OFFSET(filterId)) #define mSUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_HIGH(filterId)(0x204C + mSUNI1x10GEXP_MAC_FILTER_OFFSET(filterId)) -#define mSUNI1x10GEXP_REG_RXXG_EXACT_MATCH_VID(filterId) (0x2062 + mSUNI1x10GEXP_MAC_VID_FILTER_OFFSET(filterId) +#define mSUNI1x10GEXP_REG_RXXG_EXACT_MATCH_VID(filterId) (0x2062 + mSUNI1x10GEXP_MAC_VID_FILTER_OFFSET(filterId)) #define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_0_LOW 0x204A #define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_0_MID 0x204B #define SUNI1x10GEXP_REG_RXXG_EXACT_MATCH_ADDR_0_HIGH 0x204C diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 7a018027fcc0..4154fd000746 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -195,7 +195,7 @@ enum { #define NVREG_IRQ_TX_FORCED 0x0100 #define NVREG_IRQ_RECOVER_ERROR 0x8000 #define NVREG_IRQMASK_THROUGHPUT 0x00df -#define NVREG_IRQMASK_CPU 0x0040 +#define NVREG_IRQMASK_CPU 0x0060 #define NVREG_IRQ_TX_ALL (NVREG_IRQ_TX_ERR|NVREG_IRQ_TX_OK|NVREG_IRQ_TX_FORCED) #define NVREG_IRQ_RX_ALL (NVREG_IRQ_RX_ERROR|NVREG_IRQ_RX|NVREG_IRQ_RX_NOBUF|NVREG_IRQ_RX_FORCED) #define NVREG_IRQ_OTHER (NVREG_IRQ_TIMER|NVREG_IRQ_LINK|NVREG_IRQ_RECOVER_ERROR) diff --git a/drivers/net/meth.c b/drivers/net/meth.c index 0343ea12b299..92b403bf38b0 100644 --- a/drivers/net/meth.c +++ b/drivers/net/meth.c @@ -8,15 +8,16 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ -#include <linux/module.h> -#include <linux/init.h> - -#include <linux/kernel.h> /* printk() */ #include <linux/delay.h> +#include <linux/dma-mapping.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/platform_device.h> #include <linux/slab.h> -#include <linux/errno.h> /* error codes */ -#include <linux/types.h> /* size_t */ -#include <linux/interrupt.h> /* mark_bh */ +#include <linux/errno.h> +#include <linux/types.h> +#include <linux/interrupt.h> #include <linux/in.h> #include <linux/in6.h> @@ -33,7 +34,6 @@ #include <asm/io.h> #include <asm/scatterlist.h> -#include <linux/dma-mapping.h> #include "meth.h" @@ -51,8 +51,6 @@ static const char *meth_str="SGI O2 Fast Ethernet"; -MODULE_AUTHOR("Ilya Volynets <ilya@theIlya.com>"); -MODULE_DESCRIPTION("SGI O2 Builtin Fast Ethernet driver"); #define HAVE_TX_TIMEOUT /* The maximum time waited (in jiffies) before assuming a Tx failed. (400ms) */ @@ -784,15 +782,15 @@ static struct net_device_stats *meth_stats(struct net_device *dev) /* * The init function. */ -static struct net_device *meth_init(void) +static int __init meth_probe(struct platform_device *pdev) { struct net_device *dev; struct meth_private *priv; - int ret; + int err; dev = alloc_etherdev(sizeof(struct meth_private)); if (!dev) - return ERR_PTR(-ENOMEM); + return -ENOMEM; dev->open = meth_open; dev->stop = meth_release; @@ -808,11 +806,12 @@ static struct net_device *meth_init(void) priv = netdev_priv(dev); spin_lock_init(&priv->meth_lock); + SET_NETDEV_DEV(dev, &pdev->dev); - ret = register_netdev(dev); - if (ret) { + err = register_netdev(dev); + if (err) { free_netdev(dev); - return ERR_PTR(ret); + return err; } printk(KERN_INFO "%s: SGI MACE Ethernet rev. %d\n", @@ -820,21 +819,44 @@ static struct net_device *meth_init(void) return 0; } -static struct net_device *meth_dev; +static int __exit meth_remove(struct platform_device *pdev) +{ + struct net_device *dev = platform_get_drvdata(pdev); + + unregister_netdev(dev); + free_netdev(dev); + platform_set_drvdata(pdev, NULL); + + return 0; +} + +static struct platform_driver meth_driver = { + .probe = meth_probe, + .remove = __devexit_p(meth_remove), + .driver = { + .name = "meth", + } +}; static int __init meth_init_module(void) { - meth_dev = meth_init(); - if (IS_ERR(meth_dev)) - return PTR_ERR(meth_dev); - return 0; + int err; + + err = platform_driver_register(&meth_driver); + if (err) + printk(KERN_ERR "Driver registration failed\n"); + + return err; } static void __exit meth_exit_module(void) { - unregister_netdev(meth_dev); - free_netdev(meth_dev); + platform_driver_unregister(&meth_driver); } module_init(meth_init_module); module_exit(meth_exit_module); + +MODULE_AUTHOR("Ilya Volynets <ilya@theIlya.com>"); +MODULE_DESCRIPTION("SGI O2 Builtin Fast Ethernet driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/phy/fixed.c b/drivers/net/phy/fixed.c index 68c99b4c5255..bb966911a137 100644 --- a/drivers/net/phy/fixed.c +++ b/drivers/net/phy/fixed.c @@ -89,6 +89,7 @@ EXPORT_SYMBOL(fixed_mdio_set_link_update); /*----------------------------------------------------------------------------- * This is used for updating internal mii regs from the status *-----------------------------------------------------------------------------*/ +#if defined(CONFIG_FIXED_MII_100_FDX) || defined(CONFIG_FIXED_MII_10_FDX) static int fixed_mdio_update_regs(struct fixed_info *fixed) { u16 *regs = fixed->regs; @@ -165,6 +166,7 @@ static int fixed_mii_reset(struct mii_bus *bus) /*nothing here - no way/need to reset it*/ return 0; } +#endif static int fixed_config_aneg(struct phy_device *phydev) { @@ -194,6 +196,7 @@ static struct phy_driver fixed_mdio_driver = { * number is used to create multiple fixed PHYs, so that several devices can * utilize them simultaneously. *-----------------------------------------------------------------------------*/ +#if defined(CONFIG_FIXED_MII_100_FDX) || defined(CONFIG_FIXED_MII_10_FDX) static int fixed_mdio_register_device(int number, int speed, int duplex) { struct mii_bus *new_bus; @@ -301,6 +304,7 @@ device_create_fail: return err; } +#endif MODULE_DESCRIPTION("Fixed PHY device & driver for PAL"); diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c index c3964c3d89d9..ef84d7c757a0 100644 --- a/drivers/net/spider_net.c +++ b/drivers/net/spider_net.c @@ -1014,12 +1014,12 @@ spider_net_pass_skb_up(struct spider_net_descr *descr, */ } - /* pass skb up to stack */ - netif_receive_skb(skb); - /* update netdevice statistics */ card->netdev_stats.rx_packets++; card->netdev_stats.rx_bytes += skb->len; + + /* pass skb up to stack */ + netif_receive_skb(skb); } #ifdef DEBUG diff --git a/drivers/net/tokenring/Kconfig b/drivers/net/tokenring/Kconfig index 99c4c1922f19..e6b2e06493e7 100644 --- a/drivers/net/tokenring/Kconfig +++ b/drivers/net/tokenring/Kconfig @@ -2,12 +2,10 @@ # Token Ring driver configuration # -menu "Token Ring devices" - depends on NETDEVICES && !UML - # So far, we only have PCI, ISA, and MCA token ring devices -config TR +menuconfig TR bool "Token Ring driver support" + depends on NETDEVICES && !UML depends on (PCI || ISA || MCA || CCW) select LLC help @@ -20,9 +18,11 @@ config TR from <http://www.tldp.org/docs.html#howto>. Most people can say N here. +if TR + config IBMTR tristate "IBM Tropic chipset based adapter support" - depends on TR && (ISA || MCA) + depends on ISA || MCA ---help--- This is support for all IBM Token Ring cards that don't use DMA. If you have such a beast, say Y and read the Token-Ring mini-HOWTO, @@ -36,7 +36,7 @@ config IBMTR config IBMOL tristate "IBM Olympic chipset PCI adapter support" - depends on TR && PCI + depends on PCI ---help--- This is support for all non-Lanstreamer IBM PCI Token Ring Cards. Specifically this is all IBM PCI, PCI Wake On Lan, PCI II, PCI II @@ -54,7 +54,7 @@ config IBMOL config IBMLS tristate "IBM Lanstreamer chipset PCI adapter support" - depends on TR && PCI && !64BIT + depends on PCI && !64BIT help This is support for IBM Lanstreamer PCI Token Ring Cards. @@ -66,7 +66,7 @@ config IBMLS config 3C359 tristate "3Com 3C359 Token Link Velocity XL adapter support" - depends on TR && PCI + depends on PCI ---help--- This is support for the 3Com PCI Velocity XL cards, specifically the 3Com 3C359, please note this is not for the 3C339 cards, you @@ -84,7 +84,7 @@ config 3C359 config TMS380TR tristate "Generic TMS380 Token Ring ISA/PCI adapter support" - depends on TR && (PCI || ISA && ISA_DMA_API || MCA) + depends on PCI || ISA && ISA_DMA_API || MCA select FW_LOADER ---help--- This driver provides generic support for token ring adapters @@ -108,7 +108,7 @@ config TMS380TR config TMSPCI tristate "Generic TMS380 PCI support" - depends on TR && TMS380TR && PCI + depends on TMS380TR && PCI ---help--- This tms380 module supports generic TMS380-based PCI cards. @@ -123,7 +123,7 @@ config TMSPCI config SKISA tristate "SysKonnect TR4/16 ISA support" - depends on TR && TMS380TR && ISA + depends on TMS380TR && ISA help This tms380 module supports SysKonnect TR4/16 ISA cards. @@ -135,7 +135,7 @@ config SKISA config PROTEON tristate "Proteon ISA support" - depends on TR && TMS380TR && ISA + depends on TMS380TR && ISA help This tms380 module supports Proteon ISA cards. @@ -148,7 +148,7 @@ config PROTEON config ABYSS tristate "Madge Smart 16/4 PCI Mk2 support" - depends on TR && TMS380TR && PCI + depends on TMS380TR && PCI help This tms380 module supports the Madge Smart 16/4 PCI Mk2 cards (51-02). @@ -158,7 +158,7 @@ config ABYSS config MADGEMC tristate "Madge Smart 16/4 Ringnode MicroChannel" - depends on TR && TMS380TR && MCA + depends on TMS380TR && MCA help This tms380 module supports the Madge Smart 16/4 MC16 and MC32 MicroChannel adapters. @@ -168,7 +168,7 @@ config MADGEMC config SMCTR tristate "SMC ISA/MCA adapter support" - depends on TR && (ISA || MCA_LEGACY) && (BROKEN || !64BIT) + depends on (ISA || MCA_LEGACY) && (BROKEN || !64BIT) ---help--- This is support for the ISA and MCA SMC Token Ring cards, specifically SMC TokenCard Elite (8115T) and SMC TokenCard Elite/A @@ -182,5 +182,4 @@ config SMCTR To compile this driver as a module, choose M here: the module will be called smctr. -endmenu - +endif # TR diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index c2ccbd098f53..18b731bb4da1 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -23,11 +23,8 @@ #include <linux/skbuff.h> #include <linux/spinlock.h> #include <linux/mm.h> -#include <linux/ethtool.h> -#include <linux/delay.h> #include <linux/dma-mapping.h> #include <linux/fsl_devices.h> -#include <linux/ethtool.h> #include <linux/mii.h> #include <linux/phy.h> #include <linux/workqueue.h> diff --git a/drivers/net/ucc_geth_mii.c b/drivers/net/ucc_geth_mii.c index f96966d4bcc2..7bcb82f50cf7 100644 --- a/drivers/net/ucc_geth_mii.c +++ b/drivers/net/ucc_geth_mii.c @@ -260,8 +260,6 @@ static struct of_device_id uec_mdio_match[] = { {}, }; -MODULE_DEVICE_TABLE(of, uec_mdio_match); - static struct of_platform_driver uec_mdio_driver = { .name = DRV_NAME, .probe = uec_mdio_probe, diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c index d5ef97bc4d01..6d95cacd5284 100644 --- a/drivers/net/usb/asix.c +++ b/drivers/net/usb/asix.c @@ -1458,6 +1458,10 @@ static const struct usb_device_id products [] = { // IO-DATA ETG-US2 USB_DEVICE (0x04bb, 0x0930), .driver_info = (unsigned long) &ax88178_info, +}, { + // Belkin F5D5055 + USB_DEVICE(0x050d, 0x5055), + .driver_info = (unsigned long) &ax88178_info, }, { }, // END }; diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index 5a21f06bf8a5..675ac99a79c6 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -91,6 +91,22 @@ int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf) "CDC descriptors on config\n"); } + /* Maybe CDC descriptors are after the endpoint? This bug has + * been seen on some 2Wire Inc RNDIS-ish products. + */ + if (len == 0) { + struct usb_host_endpoint *hep; + + hep = intf->cur_altsetting->endpoint; + if (hep) { + buf = hep->extra; + len = hep->extralen; + } + if (len) + dev_dbg(&intf->dev, + "CDC descriptors on endpoint\n"); + } + /* this assumes that if there's a non-RNDIS vendor variant * of cdc-acm, it'll fail RNDIS requests cleanly. */ diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c index 980e4aaa97aa..cd991a0f75bb 100644 --- a/drivers/net/usb/rndis_host.c +++ b/drivers/net/usb/rndis_host.c @@ -515,6 +515,7 @@ static int rndis_bind(struct usbnet *dev, struct usb_interface *intf) dev_err(&intf->dev, "dev can't take %u byte packets (max %u)\n", dev->hard_mtu, tmp); + retval = -EINVAL; goto fail_and_release; } diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index f9cd42d058b0..5b16d9a1269a 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1252,20 +1252,23 @@ EXPORT_SYMBOL_GPL(usbnet_probe); /*-------------------------------------------------------------------------*/ -/* FIXME these suspend/resume methods assume non-CDC style - * devices, with only one interface. +/* + * suspend the whole driver as soon as the first interface is suspended + * resume only when the last interface is resumed */ int usbnet_suspend (struct usb_interface *intf, pm_message_t message) { struct usbnet *dev = usb_get_intfdata(intf); - /* accelerate emptying of the rx and queues, to avoid - * having everything error out. - */ - netif_device_detach (dev->net); - (void) unlink_urbs (dev, &dev->rxq); - (void) unlink_urbs (dev, &dev->txq); + if (!dev->suspend_count++) { + /* accelerate emptying of the rx and queues, to avoid + * having everything error out. + */ + netif_device_detach (dev->net); + (void) unlink_urbs (dev, &dev->rxq); + (void) unlink_urbs (dev, &dev->txq); + } return 0; } EXPORT_SYMBOL_GPL(usbnet_suspend); @@ -1274,8 +1277,10 @@ int usbnet_resume (struct usb_interface *intf) { struct usbnet *dev = usb_get_intfdata(intf); - netif_device_attach (dev->net); - tasklet_schedule (&dev->bh); + if (!--dev->suspend_count) { + netif_device_attach (dev->net); + tasklet_schedule (&dev->bh); + } return 0; } EXPORT_SYMBOL_GPL(usbnet_resume); diff --git a/drivers/net/usb/usbnet.h b/drivers/net/usb/usbnet.h index 82db5a8e528e..a3f8b9e7bc00 100644 --- a/drivers/net/usb/usbnet.h +++ b/drivers/net/usb/usbnet.h @@ -32,6 +32,7 @@ struct usbnet { const char *driver_name; wait_queue_head_t *wait; struct mutex phy_mutex; + unsigned char suspend_count; /* i/o info: pipes etc */ unsigned in, out; diff --git a/drivers/net/wireless/libertas/decl.h b/drivers/net/wireless/libertas/decl.h index 606bdd002be7..dfe27642322c 100644 --- a/drivers/net/wireless/libertas/decl.h +++ b/drivers/net/wireless/libertas/decl.h @@ -46,7 +46,7 @@ u32 libertas_index_to_data_rate(u8 index); u8 libertas_data_rate_to_index(u32 rate); void libertas_get_fwversion(wlan_adapter * adapter, char *fwversion, int maxlen); -int libertas_upload_rx_packet(wlan_private * priv, struct sk_buff *skb); +void libertas_upload_rx_packet(wlan_private * priv, struct sk_buff *skb); /** The proc fs interface */ int libertas_process_rx_command(wlan_private * priv); diff --git a/drivers/net/wireless/libertas/fw.c b/drivers/net/wireless/libertas/fw.c index 441123c85e62..5c63c9b1659c 100644 --- a/drivers/net/wireless/libertas/fw.c +++ b/drivers/net/wireless/libertas/fw.c @@ -333,18 +333,22 @@ static void command_timer_fn(unsigned long data) unsigned long flags; ptempnode = adapter->cur_cmd; + if (ptempnode == NULL) { + lbs_pr_debug(1, "PTempnode Empty\n"); + return; + } + cmd = (struct cmd_ds_command *)ptempnode->bufvirtualaddr; + if (!cmd) { + lbs_pr_debug(1, "cmd is NULL\n"); + return; + } lbs_pr_info("command_timer_fn fired (%x)\n", cmd->command); if (!adapter->fw_ready) return; - if (ptempnode == NULL) { - lbs_pr_debug(1, "PTempnode Empty\n"); - return; - } - spin_lock_irqsave(&adapter->driver_lock, flags); adapter->cur_cmd = NULL; spin_unlock_irqrestore(&adapter->driver_lock, flags); diff --git a/drivers/net/wireless/libertas/rx.c b/drivers/net/wireless/libertas/rx.c index d17924f764e5..96619a32951b 100644 --- a/drivers/net/wireless/libertas/rx.c +++ b/drivers/net/wireless/libertas/rx.c @@ -136,7 +136,7 @@ static void wlan_compute_rssi(wlan_private * priv, struct rxpd *p_rx_pd) LEAVE(); } -int libertas_upload_rx_packet(wlan_private * priv, struct sk_buff *skb) +void libertas_upload_rx_packet(wlan_private * priv, struct sk_buff *skb) { lbs_pr_debug(1, "skb->data=%p\n", skb->data); @@ -148,8 +148,6 @@ int libertas_upload_rx_packet(wlan_private * priv, struct sk_buff *skb) skb->ip_summed = CHECKSUM_UNNECESSARY; netif_rx(skb); - - return 0; } /** @@ -269,15 +267,11 @@ int libertas_process_rxed_packet(wlan_private * priv, struct sk_buff *skb) wlan_compute_rssi(priv, p_rx_pd); lbs_pr_debug(1, "RX Data: size of actual packet = %d\n", skb->len); - if (libertas_upload_rx_packet(priv, skb)) { - lbs_pr_debug(1, "RX error: libertas_upload_rx_packet" - " returns failure\n"); - ret = -1; - goto done; - } priv->stats.rx_bytes += skb->len; priv->stats.rx_packets++; + libertas_upload_rx_packet(priv, skb); + ret = 0; done: LEAVE(); @@ -438,22 +432,14 @@ static int process_rxed_802_11_packet(wlan_private * priv, struct sk_buff *skb) wlan_compute_rssi(priv, prxpd); lbs_pr_debug(1, "RX Data: size of actual packet = %d\n", skb->len); - - if (libertas_upload_rx_packet(priv, skb)) { - lbs_pr_debug(1, "RX error: libertas_upload_rx_packet " - "returns failure\n"); - ret = -1; - goto done; - } - priv->stats.rx_bytes += skb->len; priv->stats.rx_packets++; + libertas_upload_rx_packet(priv, skb); + ret = 0; done: LEAVE(); - skb->protocol = __constant_htons(0x0019); /* ETH_P_80211_RAW */ - return (ret); } diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index ddff40c4212c..821cde65e369 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -1127,6 +1127,7 @@ zfcp_adapter_dequeue(struct zfcp_adapter *adapter) int retval = 0; unsigned long flags; + zfcp_adapter_scsi_unregister(adapter); device_unregister(&adapter->generic_services); zfcp_sysfs_adapter_remove_files(&adapter->ccw_device->dev); dev_set_drvdata(&adapter->ccw_device->dev, NULL); diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c index 81680efa1721..1c8f71a59855 100644 --- a/drivers/s390/scsi/zfcp_ccw.c +++ b/drivers/s390/scsi/zfcp_ccw.c @@ -189,9 +189,7 @@ zfcp_ccw_set_online(struct ccw_device *ccw_device) * @ccw_device: pointer to belonging ccw device * * This function gets called by the common i/o layer and sets an adapter - * into state offline. Setting an fcp device offline means that it will be - * unregistered from the SCSI stack and that the adapter will be shut down - * asynchronously. + * into state offline. */ static int zfcp_ccw_set_offline(struct ccw_device *ccw_device) @@ -202,7 +200,6 @@ zfcp_ccw_set_offline(struct ccw_device *ccw_device) adapter = dev_get_drvdata(&ccw_device->dev); zfcp_erp_adapter_shutdown(adapter, 0); zfcp_erp_wait(adapter); - zfcp_adapter_scsi_unregister(adapter); zfcp_erp_thread_kill(adapter); zfcp_adapter_debug_unregister(adapter); up(&zfcp_data.config_sema); diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index a8b02542ac2d..0eb31e162b15 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -156,44 +156,30 @@ zfcp_fsf_req_free(struct zfcp_fsf_req *fsf_req) kfree(fsf_req); } -/** - * zfcp_fsf_req_dismiss - dismiss a single fsf request - */ -static void zfcp_fsf_req_dismiss(struct zfcp_adapter *adapter, - struct zfcp_fsf_req *fsf_req, - unsigned int counter) -{ - u64 dbg_tmp[2]; - - dbg_tmp[0] = (u64) atomic_read(&adapter->reqs_active); - dbg_tmp[1] = (u64) counter; - debug_event(adapter->erp_dbf, 4, (void *) dbg_tmp, 16); - list_del(&fsf_req->list); - fsf_req->status |= ZFCP_STATUS_FSFREQ_DISMISSED; - zfcp_fsf_req_complete(fsf_req); -} - -/** - * zfcp_fsf_req_dismiss_all - dismiss all remaining fsf requests +/* + * Never ever call this without shutting down the adapter first. + * Otherwise the adapter would continue using and corrupting s390 storage. + * Included BUG_ON() call to ensure this is done. + * ERP is supposed to be the only user of this function. */ void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *adapter) { - struct zfcp_fsf_req *request, *tmp; + struct zfcp_fsf_req *fsf_req, *tmp; unsigned long flags; LIST_HEAD(remove_queue); - unsigned int i, counter; + unsigned int i; + BUG_ON(atomic_test_mask(ZFCP_STATUS_ADAPTER_QDIOUP, &adapter->status)); spin_lock_irqsave(&adapter->req_list_lock, flags); atomic_set(&adapter->reqs_active, 0); - for (i=0; i<REQUEST_LIST_SIZE; i++) + for (i = 0; i < REQUEST_LIST_SIZE; i++) list_splice_init(&adapter->req_list[i], &remove_queue); - spin_unlock_irqrestore(&adapter->req_list_lock, flags); - counter = 0; - list_for_each_entry_safe(request, tmp, &remove_queue, list) { - zfcp_fsf_req_dismiss(adapter, request, counter); - counter++; + list_for_each_entry_safe(fsf_req, tmp, &remove_queue, list) { + list_del(&fsf_req->list); + fsf_req->status |= ZFCP_STATUS_FSFREQ_DISMISSED; + zfcp_fsf_req_complete(fsf_req); } } diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 16e2d64658af..0acf6db0a08d 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -569,6 +569,9 @@ zfcp_adapter_scsi_register(struct zfcp_adapter *adapter) int retval = 0; static unsigned int unique_id = 0; + if (adapter->scsi_host) + goto out; + /* register adapter as SCSI host with mid layer of SCSI stack */ adapter->scsi_host = scsi_host_alloc(&zfcp_data.scsi_host_template, sizeof (struct zfcp_adapter *)); diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index 1e82c69b36b0..8dcfe4ec35c2 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -146,7 +146,7 @@ static char *aac_get_status_string(u32 status); static int nondasd = -1; static int dacmode = -1; -static int commit = -1; +int aac_commit = -1; int startup_timeout = 180; int aif_timeout = 120; @@ -154,7 +154,7 @@ module_param(nondasd, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on"); module_param(dacmode, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC. 0=off, 1=on"); -module_param(commit, int, S_IRUGO|S_IWUSR); +module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the adapter for foreign arrays.\nThis is typically needed in systems that do not have a BIOS. 0=off, 1=on"); module_param(startup_timeout, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for adapter to have it's kernel up and\nrunning. This is typically adjusted for large systems that do not have a BIOS."); @@ -173,6 +173,9 @@ int expose_physicals = -1; module_param(expose_physicals, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays. -1=protect 0=off, 1=on"); +int aac_reset_devices = 0; +module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization."); static inline int aac_valid_context(struct scsi_cmnd *scsicmd, struct fib *fibptr) { @@ -246,7 +249,7 @@ int aac_get_config_status(struct aac_dev *dev, int commit_flag) aac_fib_complete(fibptr); /* Send a CT_COMMIT_CONFIG to enable discovery of devices */ if (status >= 0) { - if ((commit == 1) || commit_flag) { + if ((aac_commit == 1) || commit_flag) { struct aac_commit_config * dinfo; aac_fib_init(fibptr); dinfo = (struct aac_commit_config *) fib_data(fibptr); @@ -261,7 +264,7 @@ int aac_get_config_status(struct aac_dev *dev, int commit_flag) 1, 1, NULL, NULL); aac_fib_complete(fibptr); - } else if (commit == 0) { + } else if (aac_commit == 0) { printk(KERN_WARNING "aac_get_config_status: Foreign device configurations are being ignored\n"); } @@ -340,7 +343,7 @@ int aac_get_containers(struct aac_dev *dev) static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len) { void *buf; - unsigned int transfer_len; + int transfer_len; struct scatterlist *sg = scsicmd->request_buffer; if (scsicmd->use_sg) { @@ -351,7 +354,7 @@ static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigne transfer_len = min(scsicmd->request_bufflen, len + offset); } transfer_len -= offset; - if (buf && transfer_len) + if (buf && transfer_len > 0) memcpy(buf + offset, data, transfer_len); if (scsicmd->use_sg) diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index 45ca3e801619..c81edf36913f 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -1823,9 +1823,12 @@ int aac_send_shutdown(struct aac_dev *dev); int aac_probe_container(struct aac_dev *dev, int cid); int _aac_rx_init(struct aac_dev *dev); int aac_rx_select_comm(struct aac_dev *dev, int comm); +int aac_rx_deliver_producer(struct fib * fib); extern int numacb; extern int acbsize; extern char aac_driver_version[]; extern int startup_timeout; extern int aif_timeout; extern int expose_physicals; +extern int aac_reset_devices; +extern int aac_commit; diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c index 291cd14f4e98..ae978a373c56 100644 --- a/drivers/scsi/aacraid/rx.c +++ b/drivers/scsi/aacraid/rx.c @@ -378,7 +378,7 @@ static int aac_rx_check_health(struct aac_dev *dev) * * Will send a fib, returning 0 if successful. */ -static int aac_rx_deliver_producer(struct fib * fib) +int aac_rx_deliver_producer(struct fib * fib) { struct aac_dev *dev = fib->dev; struct aac_queue *q = &dev->queues->queue[AdapNormCmdQueue]; @@ -488,6 +488,8 @@ static int aac_rx_restart_adapter(struct aac_dev *dev, int bled) return -EINVAL; if (rx_readl(dev, MUnit.OMRx[0]) & KERNEL_PANIC) return -ENODEV; + if (startup_timeout < 300) + startup_timeout = 300; return 0; } @@ -542,7 +544,7 @@ int _aac_rx_init(struct aac_dev *dev) dev->a_ops.adapter_sync_cmd = rx_sync_cmd; dev->a_ops.adapter_enable_int = aac_rx_disable_interrupt; dev->OIMR = status = rx_readb (dev, MUnit.OIMR); - if ((((status & 0x0c) != 0x0c) || reset_devices) && + if ((((status & 0x0c) != 0x0c) || aac_reset_devices || reset_devices) && !aac_rx_restart_adapter(dev, 0)) ++restart; /* @@ -594,6 +596,8 @@ int _aac_rx_init(struct aac_dev *dev) } msleep(1); } + if (restart) + aac_commit = 1; /* * Fill in the common function dispatch table. */ diff --git a/drivers/scsi/aacraid/sa.c b/drivers/scsi/aacraid/sa.c index f4b5e9742ab0..85b91bc578c9 100644 --- a/drivers/scsi/aacraid/sa.c +++ b/drivers/scsi/aacraid/sa.c @@ -5,7 +5,7 @@ * based on the old aacraid driver that is.. * Adaptec aacraid device driver for Linux. * - * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com) + * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com) * * 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 @@ -257,6 +257,11 @@ static void aac_sa_start_adapter(struct aac_dev *dev) NULL, NULL, NULL, NULL, NULL); } +static int aac_sa_restart_adapter(struct aac_dev *dev, int bled) +{ + return -EINVAL; +} + /** * aac_sa_check_health * @dev: device to check if healthy @@ -366,7 +371,9 @@ int aac_sa_init(struct aac_dev *dev) dev->a_ops.adapter_notify = aac_sa_notify_adapter; dev->a_ops.adapter_sync_cmd = sa_sync_cmd; dev->a_ops.adapter_check_health = aac_sa_check_health; + dev->a_ops.adapter_restart = aac_sa_restart_adapter; dev->a_ops.adapter_intr = aac_sa_intr; + dev->a_ops.adapter_deliver = aac_rx_deliver_producer; dev->a_ops.adapter_ioremap = aac_sa_ioremap; /* diff --git a/drivers/scsi/aic7xxx/aicasm/aicasm_gram.y b/drivers/scsi/aic7xxx/aicasm/aicasm_gram.y index c328596def3c..6066998ed562 100644 --- a/drivers/scsi/aic7xxx/aicasm/aicasm_gram.y +++ b/drivers/scsi/aic7xxx/aicasm/aicasm_gram.y @@ -106,6 +106,7 @@ static void make_expression(expression_t *immed, int value); static void add_conditional(symbol_t *symbol); static void add_version(const char *verstring); static int is_download_const(expression_t *immed); +void yyerror(const char *string); #define SRAM_SYMNAME "SRAM_BASE" #define SCB_SYMNAME "SCB_BASE" diff --git a/drivers/scsi/aic7xxx/aicasm/aicasm_macro_gram.y b/drivers/scsi/aic7xxx/aicasm/aicasm_macro_gram.y index 439f760b34b5..ff46aa6801bf 100644 --- a/drivers/scsi/aic7xxx/aicasm/aicasm_macro_gram.y +++ b/drivers/scsi/aic7xxx/aicasm/aicasm_macro_gram.y @@ -65,6 +65,7 @@ static symbol_t *macro_symbol; static void add_macro_arg(const char *argtext, int position); +void mmerror(const char *string); %} diff --git a/drivers/scsi/aic94xx/aic94xx_tmf.c b/drivers/scsi/aic94xx/aic94xx_tmf.c index 9a14a6d97275..c0d0b7d7a8ce 100644 --- a/drivers/scsi/aic94xx/aic94xx_tmf.c +++ b/drivers/scsi/aic94xx/aic94xx_tmf.c @@ -290,6 +290,7 @@ static void asd_tmf_tasklet_complete(struct asd_ascb *ascb, static inline int asd_clear_nexus(struct sas_task *task) { int res = TMF_RESP_FUNC_FAILED; + int leftover; struct asd_ascb *tascb = task->lldd_task; unsigned long flags; @@ -298,10 +299,12 @@ static inline int asd_clear_nexus(struct sas_task *task) res = asd_clear_nexus_tag(task); else res = asd_clear_nexus_index(task); - wait_for_completion_timeout(&tascb->completion, - AIC94XX_SCB_TIMEOUT); + leftover = wait_for_completion_timeout(&tascb->completion, + AIC94XX_SCB_TIMEOUT); ASD_DPRINTK("came back from clear nexus\n"); spin_lock_irqsave(&task->task_state_lock, flags); + if (leftover < 1) + res = TMF_RESP_FUNC_FAILED; if (task->task_state_flags & SAS_TASK_STATE_DONE) res = TMF_RESP_FUNC_COMPLETE; spin_unlock_irqrestore(&task->task_state_lock, flags); @@ -350,6 +353,7 @@ int asd_abort_task(struct sas_task *task) unsigned long flags; struct asd_ascb *ascb = NULL; struct scb *scb; + int leftover; spin_lock_irqsave(&task->task_state_lock, flags); if (task->task_state_flags & SAS_TASK_STATE_DONE) { @@ -455,9 +459,11 @@ int asd_abort_task(struct sas_task *task) break; case TF_TMF_TASK_DONE + 0xFF00: /* done but not reported yet */ res = TMF_RESP_FUNC_FAILED; - wait_for_completion_timeout(&tascb->completion, - AIC94XX_SCB_TIMEOUT); + leftover = wait_for_completion_timeout(&tascb->completion, + AIC94XX_SCB_TIMEOUT); spin_lock_irqsave(&task->task_state_lock, flags); + if (leftover < 1) + res = TMF_RESP_FUNC_FAILED; if (task->task_state_flags & SAS_TASK_STATE_DONE) res = TMF_RESP_FUNC_COMPLETE; spin_unlock_irqrestore(&task->task_state_lock, flags); diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 4baa79e68679..fa6ff295e568 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -3954,6 +3954,13 @@ static int __ipr_eh_dev_reset(struct scsi_cmnd * scsi_cmd) spin_unlock_irq(scsi_cmd->device->host->host_lock); ata_do_eh(ap, NULL, NULL, ipr_sata_reset, NULL); spin_lock_irq(scsi_cmd->device->host->host_lock); + + list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) { + if (ipr_cmd->ioarcb.res_handle == res->cfgte.res_handle) { + rc = -EIO; + break; + } + } } else rc = ipr_device_reset(ioa_cfg, res); res->resetting_device = 0; diff --git a/drivers/scsi/libsrp.c b/drivers/scsi/libsrp.c index 5631c199a8eb..732446e63963 100644 --- a/drivers/scsi/libsrp.c +++ b/drivers/scsi/libsrp.c @@ -254,6 +254,7 @@ static int srp_indirect_data(struct scsi_cmnd *sc, struct srp_cmd *cmd, sg_init_one(&dummy, md, id->table_desc.len); sg_dma_address(&dummy) = token; + sg_dma_len(&dummy) = id->table_desc.len; err = rdma_io(sc, &dummy, 1, &id->table_desc, 1, DMA_TO_DEVICE, id->table_desc.len); if (err) { diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c index 7a812677ff8a..e2cf12ef3688 100644 --- a/drivers/scsi/megaraid/megaraid_sas.c +++ b/drivers/scsi/megaraid/megaraid_sas.c @@ -10,7 +10,7 @@ * 2 of the License, or (at your option) any later version. * * FILE : megaraid_sas.c - * Version : v00.00.03.10-rc1 + * Version : v00.00.03.10-rc5 * * Authors: * (email-id : megaraidlinux@lsi.com) @@ -886,6 +886,7 @@ megasas_queue_command(struct scsi_cmnd *scmd, void (*done) (struct scsi_cmnd *)) goto out_return_cmd; cmd->scmd = scmd; + scmd->SCp.ptr = (char *)cmd; /* * Issue the command to the FW @@ -919,7 +920,7 @@ static int megasas_slave_configure(struct scsi_device *sdev) * The RAID firmware may require extended timeouts. */ if (sdev->channel >= MEGASAS_MAX_PD_CHANNELS) - sdev->timeout = 90 * HZ; + sdev->timeout = MEGASAS_DEFAULT_CMD_TIMEOUT * HZ; return 0; } @@ -981,8 +982,8 @@ static int megasas_generic_reset(struct scsi_cmnd *scmd) instance = (struct megasas_instance *)scmd->device->host->hostdata; - scmd_printk(KERN_NOTICE, scmd, "megasas: RESET -%ld cmd=%x\n", - scmd->serial_number, scmd->cmnd[0]); + scmd_printk(KERN_NOTICE, scmd, "megasas: RESET -%ld cmd=%x retries=%x\n", + scmd->serial_number, scmd->cmnd[0], scmd->retries); if (instance->hw_crit_error) { printk(KERN_ERR "megasas: cannot recover from previous reset " @@ -1000,6 +1001,39 @@ static int megasas_generic_reset(struct scsi_cmnd *scmd) } /** + * megasas_reset_timer - quiesce the adapter if required + * @scmd: scsi cmnd + * + * Sets the FW busy flag and reduces the host->can_queue if the + * cmd has not been completed within the timeout period. + */ +static enum +scsi_eh_timer_return megasas_reset_timer(struct scsi_cmnd *scmd) +{ + struct megasas_cmd *cmd = (struct megasas_cmd *)scmd->SCp.ptr; + struct megasas_instance *instance; + unsigned long flags; + + if (time_after(jiffies, scmd->jiffies_at_alloc + + (MEGASAS_DEFAULT_CMD_TIMEOUT * 2) * HZ)) { + return EH_NOT_HANDLED; + } + + instance = cmd->instance; + if (!(instance->flag & MEGASAS_FW_BUSY)) { + /* FW is busy, throttle IO */ + spin_lock_irqsave(instance->host->host_lock, flags); + + instance->host->can_queue = 16; + instance->last_time = jiffies; + instance->flag |= MEGASAS_FW_BUSY; + + spin_unlock_irqrestore(instance->host->host_lock, flags); + } + return EH_RESET_TIMER; +} + +/** * megasas_reset_device - Device reset handler entry point */ static int megasas_reset_device(struct scsi_cmnd *scmd) @@ -1112,6 +1146,7 @@ static struct scsi_host_template megasas_template = { .eh_device_reset_handler = megasas_reset_device, .eh_bus_reset_handler = megasas_reset_bus_host, .eh_host_reset_handler = megasas_reset_bus_host, + .eh_timed_out = megasas_reset_timer, .bios_param = megasas_bios_param, .use_clustering = ENABLE_CLUSTERING, }; @@ -1215,9 +1250,8 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, int exception = 0; struct megasas_header *hdr = &cmd->frame->hdr; - if (cmd->scmd) { - cmd->scmd->SCp.ptr = (char *)0; - } + if (cmd->scmd) + cmd->scmd->SCp.ptr = NULL; switch (hdr->cmd) { @@ -1806,6 +1840,7 @@ static void megasas_complete_cmd_dpc(unsigned long instance_addr) u32 context; struct megasas_cmd *cmd; struct megasas_instance *instance = (struct megasas_instance *)instance_addr; + unsigned long flags; /* If we have already declared adapter dead, donot complete cmds */ if (instance->hw_crit_error) @@ -1828,6 +1863,22 @@ static void megasas_complete_cmd_dpc(unsigned long instance_addr) } *instance->consumer = producer; + + /* + * Check if we can restore can_queue + */ + if (instance->flag & MEGASAS_FW_BUSY + && time_after(jiffies, instance->last_time + 5 * HZ) + && atomic_read(&instance->fw_outstanding) < 17) { + + spin_lock_irqsave(instance->host->host_lock, flags); + instance->flag &= ~MEGASAS_FW_BUSY; + instance->host->can_queue = + instance->max_fw_cmds - MEGASAS_INT_CMDS; + + spin_unlock_irqrestore(instance->host->host_lock, flags); + } + } /** @@ -2398,6 +2449,8 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) instance->init_id = MEGASAS_DEFAULT_INIT_ID; megasas_dbg_lvl = 0; + instance->flag = 0; + instance->last_time = 0; /* * Initialize MFI Firmware diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index e862992ee377..4dffc918a414 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -18,9 +18,9 @@ /* * MegaRAID SAS Driver meta data */ -#define MEGASAS_VERSION "00.00.03.10-rc1" -#define MEGASAS_RELDATE "Feb 14, 2007" -#define MEGASAS_EXT_VERSION "Wed Feb 14 10:14:25 PST 2007" +#define MEGASAS_VERSION "00.00.03.10-rc5" +#define MEGASAS_RELDATE "May 17, 2007" +#define MEGASAS_EXT_VERSION "Thu May 17 10:09:32 PDT 2007" /* * Device IDs @@ -539,6 +539,8 @@ struct megasas_ctrl_info { #define MEGASAS_DBG_LVL 1 +#define MEGASAS_FW_BUSY 1 + /* * When SCSI mid-layer calls driver's reset routine, driver waits for * MEGASAS_RESET_WAIT_TIME seconds for all outstanding IO to complete. Note @@ -549,8 +551,8 @@ struct megasas_ctrl_info { #define MEGASAS_RESET_WAIT_TIME 180 #define MEGASAS_INTERNAL_CMD_WAIT_TIME 180 #define MEGASAS_RESET_NOTICE_INTERVAL 5 - #define MEGASAS_IOCTL_CMD 0 +#define MEGASAS_DEFAULT_CMD_TIMEOUT 90 /* * FW reports the maximum of number of commands that it can accept (maximum @@ -1073,7 +1075,6 @@ struct megasas_instance { struct megasas_register_set __iomem *reg_set; s8 init_id; - u8 reserved[3]; u16 max_num_sge; u16 max_fw_cmds; @@ -1104,6 +1105,9 @@ struct megasas_instance { struct megasas_instance_template *instancet; struct tasklet_struct isr_tasklet; + + u8 flag; + unsigned long last_time; }; #define MEGASAS_IS_LOGICAL(scp) \ diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c index ce63044b1ec8..18dd5cc4d7c6 100644 --- a/drivers/scsi/scsi_devinfo.c +++ b/drivers/scsi/scsi_devinfo.c @@ -209,6 +209,7 @@ static struct { {"PIONEER", "CD-ROM DRM-602X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, {"PIONEER", "CD-ROM DRM-604X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, {"PIONEER", "CD-ROM DRM-624X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, + {"Promise", "", NULL, BLIST_SPARSELUN}, {"REGAL", "CDC-4X", NULL, BLIST_MAX5LUN | BLIST_SINGLELUN}, {"SanDisk", "ImageMate CF-SD1", NULL, BLIST_FORCELUN}, {"SEAGATE", "ST34555N", "0930", BLIST_NOTQ}, /* Chokes on tagged INQUIRY */ diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 00e46662296f..3d8c9cb24f91 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1789,7 +1789,7 @@ static void sd_shutdown(struct device *dev) static int sd_suspend(struct device *dev, pm_message_t mesg) { struct scsi_disk *sdkp = scsi_disk_get_from_dev(dev); - int ret; + int ret = 0; if (!sdkp) return 0; /* this can happen */ @@ -1798,30 +1798,34 @@ static int sd_suspend(struct device *dev, pm_message_t mesg) sd_printk(KERN_NOTICE, sdkp, "Synchronizing SCSI cache\n"); ret = sd_sync_cache(sdkp); if (ret) - return ret; + goto done; } if (mesg.event == PM_EVENT_SUSPEND && sdkp->device->manage_start_stop) { sd_printk(KERN_NOTICE, sdkp, "Stopping disk\n"); ret = sd_start_stop_device(sdkp, 0); - if (ret) - return ret; } - return 0; +done: + scsi_disk_put(sdkp); + return ret; } static int sd_resume(struct device *dev) { struct scsi_disk *sdkp = scsi_disk_get_from_dev(dev); + int ret = 0; if (!sdkp->device->manage_start_stop) - return 0; + goto done; sd_printk(KERN_NOTICE, sdkp, "Starting disk\n"); + ret = sd_start_stop_device(sdkp, 1); - return sd_start_stop_device(sdkp, 1); +done: + scsi_disk_put(sdkp); + return ret; } /** diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c index 69be1324b114..9ac83abc4028 100644 --- a/drivers/scsi/stex.c +++ b/drivers/scsi/stex.c @@ -32,11 +32,12 @@ #include <scsi/scsi_cmnd.h> #include <scsi/scsi_host.h> #include <scsi/scsi_tcq.h> +#include <scsi/scsi_dbg.h> #define DRV_NAME "stex" -#define ST_DRIVER_VERSION "3.1.0.1" +#define ST_DRIVER_VERSION "3.6.0000.1" #define ST_VER_MAJOR 3 -#define ST_VER_MINOR 1 +#define ST_VER_MINOR 6 #define ST_OEM 0 #define ST_BUILD_VER 1 @@ -113,10 +114,6 @@ enum { SG_CF_64B = 0x40, /* 64 bit item */ SG_CF_HOST = 0x20, /* sg in host memory */ - ST_MAX_ARRAY_SUPPORTED = 16, - ST_MAX_TARGET_NUM = (ST_MAX_ARRAY_SUPPORTED+1), - ST_MAX_LUN_PER_TARGET = 16, - st_shasta = 0, st_vsc = 1, st_vsc1 = 2, @@ -586,7 +583,7 @@ stex_queuecommand(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *)) u16 tag; host = cmd->device->host; id = cmd->device->id; - lun = cmd->device->channel; /* firmware lun issue work around */ + lun = cmd->device->lun; hba = (struct st_hba *) &host->hostdata[0]; switch (cmd->cmnd[0]) { @@ -605,8 +602,26 @@ stex_queuecommand(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *)) stex_invalid_field(cmd, done); return 0; } + case REPORT_LUNS: + /* + * The shasta firmware does not report actual luns in the + * target, so fail the command to force sequential lun scan. + * Also, the console device does not support this command. + */ + if (hba->cardtype == st_shasta || id == host->max_id - 1) { + stex_invalid_field(cmd, done); + return 0; + } + break; + case TEST_UNIT_READY: + if (id == host->max_id - 1) { + cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8; + done(cmd); + return 0; + } + break; case INQUIRY: - if (id != ST_MAX_ARRAY_SUPPORTED) + if (id != host->max_id - 1) break; if (lun == 0 && (cmd->cmnd[1] & INQUIRY_EVPD) == 0) { stex_direct_copy(cmd, console_inq_page, @@ -624,7 +639,7 @@ stex_queuecommand(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *)) ver.oem = ST_OEM; ver.build = ST_BUILD_VER; ver.signature[0] = PASSTHRU_SIGNATURE; - ver.console_id = ST_MAX_ARRAY_SUPPORTED; + ver.console_id = host->max_id - 1; ver.host_no = hba->host->host_no; cmd->result = stex_direct_copy(cmd, &ver, sizeof(ver)) ? DID_OK << 16 | COMMAND_COMPLETE << 8 : @@ -645,13 +660,8 @@ stex_queuecommand(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *)) req = stex_alloc_req(hba); - if (hba->cardtype == st_yosemite) { - req->lun = lun * (ST_MAX_TARGET_NUM - 1) + id; - req->target = 0; - } else { - req->lun = lun; - req->target = id; - } + req->lun = lun; + req->target = id; /* cdb */ memcpy(req->cdb, cmd->cmnd, STEX_CDB_LENGTH); @@ -767,18 +777,6 @@ static void stex_ys_commands(struct st_hba *hba, ccb->srb_status = SRB_STATUS_SELECTION_TIMEOUT; else ccb->srb_status = SRB_STATUS_SUCCESS; - } else if (ccb->cmd->cmnd[0] == REPORT_LUNS) { - u8 *report_lun_data = (u8 *)hba->copy_buffer; - - count = STEX_EXTRA_SIZE; - stex_internal_copy(ccb->cmd, report_lun_data, - &count, ccb->sg_count, ST_FROM_CMD); - if (report_lun_data[2] || report_lun_data[3]) { - report_lun_data[2] = 0x00; - report_lun_data[3] = 0x08; - stex_internal_copy(ccb->cmd, report_lun_data, - &count, ccb->sg_count, ST_TO_CMD); - } } } @@ -995,6 +993,11 @@ static int stex_abort(struct scsi_cmnd *cmd) u32 data; int result = SUCCESS; unsigned long flags; + + printk(KERN_INFO DRV_NAME + "(%s): aborting command\n", pci_name(hba->pdev)); + scsi_print_command(cmd); + base = hba->mmio_base; spin_lock_irqsave(host->host_lock, flags); if (tag < host->can_queue && hba->ccb[tag].cmd == cmd) @@ -1051,7 +1054,12 @@ static void stex_hard_reset(struct st_hba *hba) pci_read_config_byte(bus->self, PCI_BRIDGE_CONTROL, &pci_bctl); pci_bctl |= PCI_BRIDGE_CTL_BUS_RESET; pci_write_config_byte(bus->self, PCI_BRIDGE_CONTROL, pci_bctl); - msleep(1); + + /* + * 1 ms may be enough for 8-port controllers. But 16-port controllers + * require more time to finish bus reset. Use 100 ms here for safety + */ + msleep(100); pci_bctl &= ~PCI_BRIDGE_CTL_BUS_RESET; pci_write_config_byte(bus->self, PCI_BRIDGE_CONTROL, pci_bctl); @@ -1075,6 +1083,10 @@ static int stex_reset(struct scsi_cmnd *cmd) unsigned long before; hba = (struct st_hba *) &cmd->device->host->hostdata[0]; + printk(KERN_INFO DRV_NAME + "(%s): resetting host\n", pci_name(hba->pdev)); + scsi_print_command(cmd); + hba->mu_status = MU_STATE_RESETTING; if (hba->cardtype == st_shasta) @@ -1194,7 +1206,7 @@ stex_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto out_scsi_host_put; } - hba->mmio_base = ioremap(pci_resource_start(pdev, 0), + hba->mmio_base = ioremap_nocache(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); if ( !hba->mmio_base) { printk(KERN_ERR DRV_NAME "(%s): memory map failed\n", @@ -1229,12 +1241,18 @@ stex_probe(struct pci_dev *pdev, const struct pci_device_id *id) hba->copy_buffer = hba->dma_mem + MU_BUFFER_SIZE; hba->mu_status = MU_STATE_STARTING; - /* firmware uses id/lun pair for a logical drive, but lun would be - always 0 if CONFIG_SCSI_MULTI_LUN not configured, so we use - channel to map lun here */ - host->max_channel = ST_MAX_LUN_PER_TARGET - 1; - host->max_id = ST_MAX_TARGET_NUM; - host->max_lun = 1; + if (hba->cardtype == st_shasta) { + host->max_lun = 8; + host->max_id = 16 + 1; + } else if (hba->cardtype == st_yosemite) { + host->max_lun = 128; + host->max_id = 1 + 1; + } else { + /* st_vsc and st_vsc1 */ + host->max_lun = 1; + host->max_id = 128 + 1; + } + host->max_channel = 0; host->unique_id = host->host_no; host->max_cmd_len = STEX_CDB_LENGTH; diff --git a/drivers/spi/mpc52xx_psc_spi.c b/drivers/spi/mpc52xx_psc_spi.c index 052359fc41ee..11f36bef3057 100644 --- a/drivers/spi/mpc52xx_psc_spi.c +++ b/drivers/spi/mpc52xx_psc_spi.c @@ -329,8 +329,8 @@ static int mpc52xx_psc_spi_port_config(int psc_id, struct mpc52xx_psc_spi *mps) int ret = 0; #if defined(CONFIG_PPC_MERGE) - cdm = mpc52xx_find_and_map("mpc52xx-cdm"); - gpio = mpc52xx_find_and_map("mpc52xx-gpio"); + cdm = mpc52xx_find_and_map("mpc5200-cdm"); + gpio = mpc52xx_find_and_map("mpc5200-gpio"); #else cdm = ioremap(MPC52xx_PA(MPC52xx_CDM_OFFSET), MPC52xx_CDM_SIZE); gpio = ioremap(MPC52xx_PA(MPC52xx_GPIO_OFFSET), MPC52xx_GPIO_SIZE); @@ -445,9 +445,6 @@ static int __init mpc52xx_psc_spi_do_probe(struct device *dev, u32 regaddr, struct spi_master *master; int ret; - if (pdata == NULL) - return -ENODEV; - master = spi_alloc_master(dev, sizeof *mps); if (master == NULL) return -ENOMEM; @@ -594,17 +591,17 @@ static int __init mpc52xx_psc_spi_of_probe(struct of_device *op, } regaddr64 = of_translate_address(op->node, regaddr_p); + /* get PSC id (1..6, used by port_config) */ if (op->dev.platform_data == NULL) { - struct device_node *np; - int i = 0; + const u32 *psc_nump; - for_each_node_by_type(np, "spi") { - if (of_find_device_by_node(np) == op) { - id = i; - break; - } - i++; + psc_nump = of_get_property(op->node, "cell-index", NULL); + if (!psc_nump || *psc_nump > 5) { + printk(KERN_ERR "mpc52xx_psc_spi: Device node %s has invalid " + "cell-index property\n", op->node->full_name); + return -EINVAL; } + id = *psc_nump + 1; } return mpc52xx_psc_spi_do_probe(&op->dev, (u32)regaddr64, (u32)size64, @@ -617,7 +614,7 @@ static int __exit mpc52xx_psc_spi_of_remove(struct of_device *op) } static struct of_device_id mpc52xx_psc_spi_of_match[] = { - { .type = "spi", .compatible = "mpc52xx-psc-spi", }, + { .type = "spi", .compatible = "mpc5200-psc-spi", }, {}, }; diff --git a/drivers/spi/omap_uwire.c b/drivers/spi/omap_uwire.c index 96f62b2df300..95183e1df525 100644 --- a/drivers/spi/omap_uwire.c +++ b/drivers/spi/omap_uwire.c @@ -358,11 +358,11 @@ static int uwire_setup_transfer(struct spi_device *spi, struct spi_transfer *t) switch (spi->mode & (SPI_CPOL | SPI_CPHA)) { case SPI_MODE_0: case SPI_MODE_3: - flags |= UWIRE_WRITE_RISING_EDGE | UWIRE_READ_FALLING_EDGE; + flags |= UWIRE_WRITE_FALLING_EDGE | UWIRE_READ_RISING_EDGE; break; case SPI_MODE_1: case SPI_MODE_2: - flags |= UWIRE_WRITE_FALLING_EDGE | UWIRE_READ_RISING_EDGE; + flags |= UWIRE_WRITE_RISING_EDGE | UWIRE_READ_FALLING_EDGE; break; } diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index 225d6b2f82dd..d04242aee40d 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -168,6 +168,12 @@ static int spidev_message(struct spidev_data *spidev, n--, k_tmp++, u_tmp++) { k_tmp->len = u_tmp->len; + total += k_tmp->len; + if (total > bufsiz) { + status = -EMSGSIZE; + goto done; + } + if (u_tmp->rx_buf) { k_tmp->rx_buf = buf; if (!access_ok(VERIFY_WRITE, u_tmp->rx_buf, u_tmp->len)) @@ -179,12 +185,6 @@ static int spidev_message(struct spidev_data *spidev, u_tmp->len)) goto done; } - - total += k_tmp->len; - if (total > bufsiz) { - status = -EMSGSIZE; - goto done; - } buf += k_tmp->len; k_tmp->cs_change = !!u_tmp->cs_change; @@ -364,6 +364,7 @@ spidev_ioctl(struct inode *inode, struct file *filp, break; } if (__copy_from_user(ioc, (void __user *)arg, tmp)) { + kfree(ioc); retval = -EFAULT; break; } diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index 15e740e3a5c4..7b1edfe46b28 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -1003,7 +1003,7 @@ abort: usblp->writebuf, usblp->writeurb->transfer_dma); if (usblp->readbuf) usb_buffer_free (usblp->dev, USBLP_BUF_SIZE, - usblp->readbuf, usblp->writeurb->transfer_dma); + usblp->readbuf, usblp->readurb->transfer_dma); kfree(usblp->statusbuf); kfree(usblp->device_id_string); usb_free_urb(usblp->writeurb); diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index bfb3731d42db..2d4fd530e5e4 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -185,10 +185,12 @@ static int usb_parse_interface(struct device *ddev, int cfgno, num_ep = USB_MAXENDPOINTS; } - len = sizeof(struct usb_host_endpoint) * num_ep; - alt->endpoint = kzalloc(len, GFP_KERNEL); - if (!alt->endpoint) - return -ENOMEM; + if (num_ep > 0) { /* Can't allocate 0 bytes */ + len = sizeof(struct usb_host_endpoint) * num_ep; + alt->endpoint = kzalloc(len, GFP_KERNEL); + if (!alt->endpoint) + return -ENOMEM; + } /* Parse all the endpoint descriptors */ n = 0; diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index b9f7f90aef82..2619986e5300 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -983,7 +983,10 @@ static int autosuspend_check(struct usb_device *udev) #else -#define autosuspend_check(udev) 0 +static inline int autosuspend_check(struct usb_device *udev) +{ + return 0; +} #endif /* CONFIG_USB_SUSPEND */ @@ -1041,7 +1044,6 @@ static int usb_suspend_both(struct usb_device *udev, pm_message_t msg) if (status < 0) goto done; } - cancel_delayed_work(&udev->autosuspend); /* Suspend all the interfaces and then udev itself */ if (udev->actconfig) { @@ -1062,9 +1064,16 @@ static int usb_suspend_both(struct usb_device *udev, pm_message_t msg) usb_resume_interface(intf); } + /* Try another autosuspend when the interfaces aren't busy */ + if (udev->auto_pm) + autosuspend_check(udev); + /* If the suspend succeeded, propagate it up the tree */ - } else if (parent) - usb_autosuspend_device(parent); + } else { + cancel_delayed_work(&udev->autosuspend); + if (parent) + usb_autosuspend_device(parent); + } done: // dev_dbg(&udev->dev, "%s: status %d\n", __FUNCTION__, status); @@ -1475,6 +1484,7 @@ int usb_external_resume_device(struct usb_device *udev) usb_pm_lock(udev); udev->auto_pm = 0; status = usb_resume_both(udev); + udev->last_busy = jiffies; usb_pm_unlock(udev); /* Now that the device is awake, we can start trying to autosuspend diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 40cf882293e6..8969e42434b9 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1018,8 +1018,8 @@ done: atomic_dec (&urb->use_count); if (urb->reject) wake_up (&usb_kill_urb_queue); - usb_put_urb (urb); usbmon_urb_submit_error(&hcd->self, urb, status); + usb_put_urb (urb); } return status; } @@ -1175,10 +1175,6 @@ void usb_hcd_endpoint_disable (struct usb_device *udev, struct urb *urb; hcd = bus_to_hcd(udev->bus); - - WARN_ON (!HC_IS_RUNNING (hcd->state) && hcd->state != HC_STATE_HALT && - udev->state != USB_STATE_NOTATTACHED); - local_irq_disable (); /* ep is already gone from udev->ep_{in,out}[]; no more submits */ @@ -1685,7 +1681,7 @@ void usb_remove_hcd(struct usb_hcd *hcd) spin_unlock_irq (&hcd_root_hub_lock); #ifdef CONFIG_PM - flush_workqueue(ksuspend_usb_wq); + cancel_work_sync(&hcd->wakeup_work); #endif mutex_lock(&usb_bus_list_lock); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index f6b74a678de5..24f10a19dbdb 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1158,6 +1158,30 @@ static void release_address(struct usb_device *udev) } } +#ifdef CONFIG_USB_SUSPEND + +static void usb_stop_pm(struct usb_device *udev) +{ + /* Synchronize with the ksuspend thread to prevent any more + * autosuspend requests from being submitted, and decrement + * the parent's count of unsuspended children. + */ + usb_pm_lock(udev); + if (udev->parent && !udev->discon_suspended) + usb_autosuspend_device(udev->parent); + usb_pm_unlock(udev); + + /* Stop any autosuspend requests already submitted */ + cancel_rearming_delayed_work(&udev->autosuspend); +} + +#else + +static inline void usb_stop_pm(struct usb_device *udev) +{ } + +#endif + /** * usb_disconnect - disconnect a device (usbcore-internal) * @pdev: pointer to device being disconnected @@ -1224,13 +1248,7 @@ void usb_disconnect(struct usb_device **pdev) *pdev = NULL; spin_unlock_irq(&device_state_lock); - /* Decrement the parent's count of unsuspended children */ - if (udev->parent) { - usb_pm_lock(udev); - if (!udev->discon_suspended) - usb_autosuspend_device(udev->parent); - usb_pm_unlock(udev); - } + usb_stop_pm(udev); put_device(&udev->dev); } @@ -2201,14 +2219,9 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1, continue; } - /* Use a short timeout the first time through, - * so that recalcitrant full-speed devices with - * 8- or 16-byte ep0-maxpackets won't slow things - * down tremendously by NAKing the unexpectedly - * early status stage. Also, retry on all errors; - * some devices are flakey. - * 255 is for WUSB devices, we actually need to use 512. - * WUSB1.0[4.8.1]. + /* Retry on all errors; some devices are flakey. + * 255 is for WUSB devices, we actually need to use + * 512 (WUSB1.0[4.8.1]). */ for (j = 0; j < 3; ++j) { buf->bMaxPacketSize0 = 0; @@ -2216,7 +2229,7 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1, USB_REQ_GET_DESCRIPTOR, USB_DIR_IN, USB_DT_DEVICE << 8, 0, buf, GET_DESCRIPTOR_BUFSIZE, - (i ? USB_CTRL_GET_TIMEOUT : 1000)); + USB_CTRL_GET_TIMEOUT); switch (buf->bMaxPacketSize0) { case 8: case 16: case 32: case 64: case 255: if (buf->bDescriptorType == @@ -2426,10 +2439,10 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1, if (portchange & USB_PORT_STAT_C_CONNECTION) { status = hub_port_debounce(hub, port1); - if (status < 0 && printk_ratelimit()) { - dev_err (hub_dev, - "connect-debounce failed, port %d disabled\n", - port1); + if (status < 0) { + if (printk_ratelimit()) + dev_err (hub_dev, "connect-debounce failed, " + "port %d disabled\n", port1); goto done; } portstatus = status; diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index b7434787db5f..f9fed34bf7d8 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -221,15 +221,10 @@ int usb_bulk_msg(struct usb_device *usb_dev, unsigned int pipe, if ((ep->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) { - int interval; - - if (usb_dev->speed == USB_SPEED_HIGH) - interval = 1 << min(15, ep->desc.bInterval - 1); - else - interval = ep->desc.bInterval; pipe = (pipe & ~(3 << 30)) | (PIPE_INTERRUPT << 30); usb_fill_int_urb(urb, usb_dev, pipe, data, len, - usb_api_blocking_completion, NULL, interval); + usb_api_blocking_completion, NULL, + ep->desc.bInterval); } else usb_fill_bulk_urb(urb, usb_dev, pipe, data, len, usb_api_blocking_completion, NULL); diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index e7c982377488..be37c863fdfb 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -232,12 +232,15 @@ set_level(struct device *dev, struct device_attribute *attr, int len = count; char *cp; int rc = 0; + int old_autosuspend_disabled, old_autoresume_disabled; cp = memchr(buf, '\n', count); if (cp) len = cp - buf; usb_lock_device(udev); + old_autosuspend_disabled = udev->autosuspend_disabled; + old_autoresume_disabled = udev->autoresume_disabled; /* Setting the flags without calling usb_pm_lock is a subject to * races, but who cares... @@ -263,6 +266,10 @@ set_level(struct device *dev, struct device_attribute *attr, } else rc = -EINVAL; + if (rc) { + udev->autosuspend_disabled = old_autosuspend_disabled; + udev->autoresume_disabled = old_autoresume_disabled; + } usb_unlock_device(udev); return (rc < 0 ? rc : count); } diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 18ddc5e67e39..4a6299bd0047 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -184,10 +184,6 @@ static void usb_release_dev(struct device *dev) udev = to_usb_device(dev); -#ifdef CONFIG_USB_SUSPEND - cancel_delayed_work(&udev->autosuspend); - flush_workqueue(ksuspend_usb_wq); -#endif usb_destroy_configuration(udev); usb_put_hcd(bus_to_hcd(udev->bus)); kfree(udev->product); @@ -205,7 +201,11 @@ struct device_type usb_device_type = { static int ksuspend_usb_init(void) { - ksuspend_usb_wq = create_singlethread_workqueue("ksuspend_usbd"); + /* This workqueue is supposed to be both freezable and + * singlethreaded. Its job doesn't justify running on more + * than one CPU. + */ + ksuspend_usb_wq = create_freezeable_workqueue("ksuspend_usbd"); if (!ksuspend_usb_wq) return -ENOMEM; return 0; diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c index 157054ea3978..3ca2b3159f00 100644 --- a/drivers/usb/gadget/fsl_usb2_udc.c +++ b/drivers/usb/gadget/fsl_usb2_udc.c @@ -228,13 +228,15 @@ static int dr_controller_setup(struct fsl_udc *udc) /* Config PHY interface */ portctrl = fsl_readl(&dr_regs->portsc1); - portctrl &= ~PORTSCX_PHY_TYPE_SEL; + portctrl &= ~(PORTSCX_PHY_TYPE_SEL & PORTSCX_PORT_WIDTH); switch (udc->phy_mode) { case FSL_USB2_PHY_ULPI: portctrl |= PORTSCX_PTS_ULPI; break; - case FSL_USB2_PHY_UTMI: case FSL_USB2_PHY_UTMI_WIDE: + portctrl |= PORTSCX_PTW_16BIT; + /* fall through */ + case FSL_USB2_PHY_UTMI: portctrl |= PORTSCX_PTS_UTMI; break; case FSL_USB2_PHY_SERIAL: @@ -625,7 +627,7 @@ static void fsl_free_buffer(struct usb_ep *_ep, void *buf, struct fsl_ep *ep; if (!_ep) - return NULL; + return; ep = container_of(_ep, struct fsl_ep, ep); diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index a52480505f78..c7a7c590426f 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -193,6 +193,19 @@ static void mpc83xx_usb_setup(struct usb_hcd *hcd) out_be32(non_ehci + FSL_SOC_USB_CTRL, 0x00000004); out_be32(non_ehci + FSL_SOC_USB_SNOOP1, 0x0000001b); +#if defined(CONFIG_PPC32) && !defined(CONFIG_NOT_COHERENT_CACHE) + /* + * Turn on cache snooping hardware, since some PowerPC platforms + * wholly rely on hardware to deal with cache coherent + */ + + /* Setup Snooping for all the 4GB space */ + /* SNOOP1 starts from 0x0, size 2G */ + out_be32(non_ehci + FSL_SOC_USB_SNOOP1, 0x0 | SNOOP_SIZE_2GB); + /* SNOOP2 starts from 0x80000000, size 2G */ + out_be32(non_ehci + FSL_SOC_USB_SNOOP2, 0x80000000 | SNOOP_SIZE_2GB); +#endif + if (pdata->operating_mode == FSL_USB2_DR_HOST) mpc83xx_setup_phy(ehci, pdata->phy_mode, 0); diff --git a/drivers/usb/host/ehci-fsl.h b/drivers/usb/host/ehci-fsl.h index f28736a917e4..b5e59db53347 100644 --- a/drivers/usb/host/ehci-fsl.h +++ b/drivers/usb/host/ehci-fsl.h @@ -34,4 +34,5 @@ #define FSL_SOC_USB_PRICTRL 0x40c /* NOTE: big-endian */ #define FSL_SOC_USB_SICTRL 0x410 /* NOTE: big-endian */ #define FSL_SOC_USB_CTRL 0x500 /* NOTE: big-endian */ +#define SNOOP_SIZE_2GB 0x1e #endif /* _EHCI_FSL_H */ diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c index 79705609fd0c..ca62cb583221 100644 --- a/drivers/usb/host/ohci-pci.c +++ b/drivers/usb/host/ohci-pci.c @@ -137,7 +137,7 @@ static const struct pci_device_id ohci_pci_quirks[] = { /* Toshiba portege 4000 */ .vendor = PCI_VENDOR_ID_AL, .device = 0x5237, - .subvendor = PCI_VENDOR_ID_TOSHIBA_2, + .subvendor = PCI_VENDOR_ID_TOSHIBA, .subdevice = 0x0004, .driver_data = (unsigned long) broken_suspend, }, diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index 20861650905e..c225159ca3d3 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -44,6 +44,7 @@ #define EHCI_USBSTS 4 /* status register */ #define EHCI_USBSTS_HALTED (1 << 12) /* HCHalted bit */ #define EHCI_USBINTR 8 /* interrupt register */ +#define EHCI_CONFIGFLAG 0x40 /* configured flag register */ #define EHCI_USBLEGSUP 0 /* legacy support register */ #define EHCI_USBLEGSUP_BIOS (1 << 16) /* BIOS semaphore */ #define EHCI_USBLEGSUP_OS (1 << 24) /* OS semaphore */ @@ -216,6 +217,7 @@ static void __devinit quirk_usb_disable_ehci(struct pci_dev *pdev) u32 hcc_params, val; u8 offset, cap_length; int count = 256/4; + int tried_handoff = 0; if (!mmio_resource_enabled(pdev, 0)) return; @@ -273,6 +275,7 @@ static void __devinit quirk_usb_disable_ehci(struct pci_dev *pdev) */ msec = 5000; while ((cap & EHCI_USBLEGSUP_BIOS) && (msec > 0)) { + tried_handoff = 1; msleep(10); msec -= 10; pci_read_config_dword(pdev, offset, &cap); @@ -292,6 +295,12 @@ static void __devinit quirk_usb_disable_ehci(struct pci_dev *pdev) pci_write_config_dword(pdev, offset + EHCI_USBLEGCTLSTS, 0); + + /* If the BIOS ever owned the controller then we + * can't expect any power sessions to remain intact. + */ + if (tried_handoff) + writel(0, op_reg_base + EHCI_CONFIGFLAG); break; case 0: /* illegal reserved capability */ cap = 0; diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index ff0dba01f1c7..e98df2ee9901 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -57,6 +57,13 @@ #include <asm/system.h> #include <asm/byteorder.h> #include "../core/hcd.h" + + /* FIXME ohci.h is ONLY for internal use by the OHCI driver. + * If you're going to try stuff like this, you need to split + * out shareable stuff (register declarations?) into its own + * file, maybe name <linux/usb/ohci.h> + */ + #include "ohci.h" #define OHCI_CONTROL_INIT OHCI_CTRL_CBSR #define OHCI_INTR_INIT (OHCI_INTR_MIE | OHCI_INTR_UE | OHCI_INTR_RD | \ @@ -173,11 +180,6 @@ struct u132_ring { struct u132_endp *curr_endp; struct delayed_work scheduler; }; -#define OHCI_QUIRK_AMD756 0x01 -#define OHCI_QUIRK_SUPERIO 0x02 -#define OHCI_QUIRK_INITRESET 0x04 -#define OHCI_BIG_ENDIAN 0x08 -#define OHCI_QUIRK_ZFMICRO 0x10 struct u132 { struct kref kref; struct list_head u132_list; diff --git a/drivers/usb/misc/auerswald.c b/drivers/usb/misc/auerswald.c index 88fb56d5db8f..cac1500cba62 100644 --- a/drivers/usb/misc/auerswald.c +++ b/drivers/usb/misc/auerswald.c @@ -1822,16 +1822,10 @@ static int auerchar_release (struct inode *inode, struct file *file) pauerswald_t cp; dbg("release"); - /* get the mutexes */ - if (down_interruptible (&ccp->mutex)) { - return -ERESTARTSYS; - } + down(&ccp->mutex); cp = ccp->auerdev; if (cp) { - if (down_interruptible (&cp->mutex)) { - up (&ccp->mutex); - return -ERESTARTSYS; - } + down(&cp->mutex); /* remove an open service */ auerswald_removeservice (cp, &ccp->scontext); /* detach from device */ diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c index e2172e5cf152..e0f122e131d7 100644 --- a/drivers/usb/misc/ftdi-elan.c +++ b/drivers/usb/misc/ftdi-elan.c @@ -73,6 +73,13 @@ static struct list_head ftdi_static_list; #include "usb_u132.h" #include <asm/io.h> #include "../core/hcd.h" + + /* FIXME ohci.h is ONLY for internal use by the OHCI driver. + * If you're going to try stuff like this, you need to split + * out shareable stuff (register declarations?) into its own + * file, maybe name <linux/usb/ohci.h> + */ + #include "../host/ohci.h" /* Define these values to match your devices*/ #define USB_FTDI_ELAN_VENDOR_ID 0x0403 @@ -2300,10 +2307,7 @@ static int ftdi_elan_checkingPCI(struct usb_ftdi *ftdi) offsetof(struct ohci_regs, member), 0, data); #define ftdi_write_pcimem(ftdi, member, data) ftdi_elan_write_pcimem(ftdi, \ offsetof(struct ohci_regs, member), 0, data); -#define OHCI_QUIRK_AMD756 0x01 -#define OHCI_QUIRK_SUPERIO 0x02 -#define OHCI_QUIRK_INITRESET 0x04 -#define OHCI_BIG_ENDIAN 0x08 + #define OHCI_CONTROL_INIT OHCI_CTRL_CBSR #define OHCI_INTR_INIT (OHCI_INTR_MIE | OHCI_INTR_UE | OHCI_INTR_RD | \ OHCI_INTR_WDH) diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c index 11555bde655b..7bad49404762 100644 --- a/drivers/usb/misc/ldusb.c +++ b/drivers/usb/misc/ldusb.c @@ -165,6 +165,8 @@ struct ld_usb { size_t interrupt_in_endpoint_size; int interrupt_in_running; int interrupt_in_done; + int buffer_overflow; + spinlock_t rbsl; char* interrupt_out_buffer; struct usb_endpoint_descriptor* interrupt_out_endpoint; @@ -230,10 +232,12 @@ static void ld_usb_interrupt_in_callback(struct urb *urb) } else { dbg_info(&dev->intf->dev, "%s: nonzero status received: %d\n", __FUNCTION__, urb->status); + spin_lock(&dev->rbsl); goto resubmit; /* maybe we can recover */ } } + spin_lock(&dev->rbsl); if (urb->actual_length > 0) { next_ring_head = (dev->ring_head+1) % ring_buffer_size; if (next_ring_head != dev->ring_tail) { @@ -244,21 +248,25 @@ static void ld_usb_interrupt_in_callback(struct urb *urb) dev->ring_head = next_ring_head; dbg_info(&dev->intf->dev, "%s: received %d bytes\n", __FUNCTION__, urb->actual_length); - } else + } else { dev_warn(&dev->intf->dev, "Ring buffer overflow, %d bytes dropped\n", urb->actual_length); + dev->buffer_overflow = 1; + } } resubmit: /* resubmit if we're still running */ - if (dev->interrupt_in_running && dev->intf) { + if (dev->interrupt_in_running && !dev->buffer_overflow && dev->intf) { retval = usb_submit_urb(dev->interrupt_in_urb, GFP_ATOMIC); - if (retval) + if (retval) { dev_err(&dev->intf->dev, "usb_submit_urb failed (%d)\n", retval); + dev->buffer_overflow = 1; + } } - + spin_unlock(&dev->rbsl); exit: dev->interrupt_in_done = 1; wake_up_interruptible(&dev->read_wait); @@ -330,6 +338,7 @@ static int ld_usb_open(struct inode *inode, struct file *file) /* initialize in direction */ dev->ring_head = 0; dev->ring_tail = 0; + dev->buffer_overflow = 0; usb_fill_int_urb(dev->interrupt_in_urb, interface_to_usbdev(interface), usb_rcvintpipe(interface_to_usbdev(interface), @@ -439,6 +448,7 @@ static ssize_t ld_usb_read(struct file *file, char __user *buffer, size_t count, size_t *actual_buffer; size_t bytes_to_read; int retval = 0; + int rv; dev = file->private_data; @@ -460,7 +470,10 @@ static ssize_t ld_usb_read(struct file *file, char __user *buffer, size_t count, } /* wait for data */ + spin_lock_irq(&dev->rbsl); if (dev->ring_head == dev->ring_tail) { + dev->interrupt_in_done = 0; + spin_unlock_irq(&dev->rbsl); if (file->f_flags & O_NONBLOCK) { retval = -EAGAIN; goto unlock_exit; @@ -468,6 +481,8 @@ static ssize_t ld_usb_read(struct file *file, char __user *buffer, size_t count, retval = wait_event_interruptible(dev->read_wait, dev->interrupt_in_done); if (retval < 0) goto unlock_exit; + } else { + spin_unlock_irq(&dev->rbsl); } /* actual_buffer contains actual_length + interrupt_in_buffer */ @@ -486,6 +501,17 @@ static ssize_t ld_usb_read(struct file *file, char __user *buffer, size_t count, retval = bytes_to_read; + spin_lock_irq(&dev->rbsl); + if (dev->buffer_overflow) { + dev->buffer_overflow = 0; + spin_unlock_irq(&dev->rbsl); + rv = usb_submit_urb(dev->interrupt_in_urb, GFP_KERNEL); + if (rv < 0) + dev->buffer_overflow = 1; + } else { + spin_unlock_irq(&dev->rbsl); + } + unlock_exit: /* unlock the device */ up(&dev->sem); @@ -635,6 +661,7 @@ static int ld_usb_probe(struct usb_interface *intf, const struct usb_device_id * goto exit; } init_MUTEX(&dev->sem); + spin_lock_init(&dev->rbsl); dev->intf = intf; init_waitqueue_head(&dev->read_wait); init_waitqueue_head(&dev->write_wait); diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c index ea2175bb2274..fe437125f14b 100644 --- a/drivers/usb/serial/ark3116.c +++ b/drivers/usb/serial/ark3116.c @@ -63,7 +63,8 @@ static inline void ARK3116_RCV(struct usb_serial *serial, int seq, request, requesttype, value, index, buf, 0x0000001, 1000); if (result) - dbg("%03d < %d bytes [0x%02X]", seq, result, buf[0]); + dbg("%03d < %d bytes [0x%02X]", seq, result, + ((unsigned char *)buf)[0]); else dbg("%03d < 0 bytes", seq); } diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 95a1805b064f..2353679f601e 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -273,12 +273,18 @@ static __u16 product; /* struct ftdi_sio_quirk is used by devices requiring special attention. */ struct ftdi_sio_quirk { + int (*probe)(struct usb_serial *); void (*setup)(struct usb_serial *); /* Special settings during startup. */ }; +static int ftdi_olimex_probe (struct usb_serial *serial); static void ftdi_USB_UIRT_setup (struct usb_serial *serial); static void ftdi_HE_TIRA1_setup (struct usb_serial *serial); +static struct ftdi_sio_quirk ftdi_olimex_quirk = { + .probe = ftdi_olimex_probe, +}; + static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = { .setup = ftdi_USB_UIRT_setup, }; @@ -319,6 +325,7 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) }, { USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) }, { USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) }, { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) }, { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) }, { USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) }, @@ -525,6 +532,9 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) }, { USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) }, { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) }, + { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID), + .driver_info = (kernel_ulong_t)&ftdi_olimex_quirk }, { }, /* Optional parameter entry */ { } /* Terminating entry */ }; @@ -669,7 +679,7 @@ static struct usb_serial_driver ftdi_sio_device = { /* * *************************************************************************** - * Utlity functions + * Utility functions * *************************************************************************** */ @@ -1171,9 +1181,17 @@ static void remove_sysfs_attrs(struct usb_serial_port *port) /* Probe function to check for special devices */ static int ftdi_sio_probe (struct usb_serial *serial, const struct usb_device_id *id) { + struct ftdi_sio_quirk *quirk = (struct ftdi_sio_quirk *)id->driver_info; + + if (quirk && quirk->probe) { + int ret = quirk->probe(serial); + if (ret != 0) + return ret; + } + usb_set_serial_data(serial, (void *)id->driver_info); - return (0); + return 0; } static int ftdi_sio_port_probe(struct usb_serial_port *port) @@ -1268,6 +1286,24 @@ static void ftdi_HE_TIRA1_setup (struct usb_serial *serial) priv->force_rtscts = 1; } /* ftdi_HE_TIRA1_setup */ +/* + * First port on Olimex arm-usb-ocd is reserved for JTAG interface + * and can be accessed from userspace using openocd. + */ +static int ftdi_olimex_probe(struct usb_serial *serial) +{ + struct usb_device *udev = serial->dev; + struct usb_interface *interface = serial->interface; + + dbg("%s",__FUNCTION__); + + if (interface == udev->actconfig->interface[0]) { + info("Ignoring reserved serial port on Olimex arm-usb-ocd\n"); + return -ENODEV; + } + + return 0; +} /* ftdi_shutdown is called from usbserial:usb_serial_disconnect * it is called when the usb device is disconnected diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h index 77ad0a09b384..33aee9047242 100644 --- a/drivers/usb/serial/ftdi_sio.h +++ b/drivers/usb/serial/ftdi_sio.h @@ -60,6 +60,9 @@ /* DMX4ALL DMX Interfaces */ #define FTDI_DMX4ALL 0xC850 +/* OpenDCC (www.opendcc.de) product id */ +#define FTDI_OPENDCC_PID 0xBFD8 + /* www.crystalfontz.com devices - thanx for providing free devices for evaluation ! */ /* they use the ftdi chipset for the USB interface and the vendor id is the same */ #define FTDI_XF_632_PID 0xFC08 /* 632: 16x2 Character Display */ @@ -518,6 +521,15 @@ #define FTDI_IBS_PEDO_PID 0xff3e /* IBS PEDO-Modem (RF modem 868.35 MHz) */ #define FTDI_IBS_PROD_PID 0xff3f /* future device */ +/* + * MaxStream devices www.maxstream.net + */ +#define FTDI_MAXSTREAM_PID 0xEE18 /* Xbee PKG-U Module */ + +/* Olimex */ +#define OLIMEX_VID 0x15BA +#define OLIMEX_ARM_USB_OCD_PID 0x0003 + /* Commands */ #define FTDI_SIO_RESET 0 /* Reset the port */ #define FTDI_SIO_MODEM_CTRL 1 /* Set the modem control register */ diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 2366e7b63ece..36620c651079 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -769,11 +769,6 @@ static void mos7840_bulk_out_data_callback(struct urb *urb) return; } - if (!mos7840_port) { - dbg("%s", "NULL mos7840_port pointer \n"); - return; - } - if (mos7840_port_paranoia_check(mos7840_port->port, __FUNCTION__)) { dbg("%s", "Port Paranoia failed \n"); return; diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c index 4adfab988e86..00afc1712c39 100644 --- a/drivers/usb/serial/omninet.c +++ b/drivers/usb/serial/omninet.c @@ -165,12 +165,10 @@ static int omninet_open (struct usb_serial_port *port, struct file *filp) { struct usb_serial *serial = port->serial; struct usb_serial_port *wport; - struct omninet_data *od = usb_get_serial_port_data(port); int result = 0; dbg("%s - port %d", __FUNCTION__, port->number); - od = kmalloc( sizeof(struct omninet_data), GFP_KERNEL ); wport = serial->port[1]; wport->tty = port->tty; diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 8c3f55b080b4..89f067d95076 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -165,7 +165,6 @@ static struct usb_device_id option_ids[] = { { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1410) }, /* Novatel U740 */ { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1420) }, /* Novatel EU870 */ { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1430) }, /* Novatel Merlin XU870 HSDPA/3G */ - { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x1430) }, /* Novatel XU870 */ { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2100) }, /* Novatel EV620 CDMA/EV-DO */ { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2110) }, /* Novatel Merlin ES620 / Merlin ES720 / Ovation U720 */ { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, 0x2130) }, /* Novatel Merlin ES620 SM Bus */ diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index 644607de4c11..ac1829c6e8f0 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -35,6 +35,7 @@ static struct usb_device_id id_table [] = { { USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */ { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */ { USB_DEVICE(0x1199, 0x0019) }, /* Sierra Wireless AirCard 595 */ + { USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless AirCard 595U */ { USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */ { USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */ { USB_DEVICE(0x1199, 0x6804) }, /* Sierra Wireless MC8755 */ @@ -60,6 +61,7 @@ static struct usb_device_id id_table_3port [] = { { USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */ { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */ { USB_DEVICE(0x1199, 0x0019) }, /* Sierra Wireless AirCard 595 */ + { USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless AirCard 595U */ { USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */ { USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */ { USB_DEVICE(0x1199, 0x6804) }, /* Sierra Wireless MC8755 */ diff --git a/drivers/usb/storage/onetouch.c b/drivers/usb/storage/onetouch.c index 6d3dad3d1dae..d35369392fed 100644 --- a/drivers/usb/storage/onetouch.c +++ b/drivers/usb/storage/onetouch.c @@ -84,7 +84,7 @@ resubmit: static int usb_onetouch_open(struct input_dev *dev) { - struct usb_onetouch *onetouch = dev->private; + struct usb_onetouch *onetouch = input_get_drvdata(dev); onetouch->is_open = 1; onetouch->irq->dev = onetouch->udev; @@ -98,7 +98,7 @@ static int usb_onetouch_open(struct input_dev *dev) static void usb_onetouch_close(struct input_dev *dev) { - struct usb_onetouch *onetouch = dev->private; + struct usb_onetouch *onetouch = input_get_drvdata(dev); usb_kill_urb(onetouch->irq); onetouch->is_open = 0; @@ -185,13 +185,14 @@ int onetouch_connect_input(struct us_data *ss) input_dev->name = onetouch->name; input_dev->phys = onetouch->phys; usb_to_input_id(udev, &input_dev->id); - input_dev->cdev.dev = &udev->dev; + input_dev->dev.parent = &udev->dev; set_bit(EV_KEY, input_dev->evbit); set_bit(ONETOUCH_BUTTON, input_dev->keybit); clear_bit(0, input_dev->keybit); - input_dev->private = onetouch; + input_set_drvdata(input_dev, onetouch); + input_dev->open = usb_onetouch_open; input_dev->close = usb_onetouch_close; diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 8b3145ab7757..d230ee72f9cd 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -1179,14 +1179,20 @@ UNUSUAL_DEV( 0x0a17, 0x006, 0x0000, 0xffff, US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_FIX_INQUIRY ), -/* This is a virtual windows driver CD, which the zd1211rw driver automatically - * converts into a WLAN device. */ +/* These are virtual windows driver CDs, which the zd1211rw driver automatically + * converts into a WLAN devices. */ UNUSUAL_DEV( 0x0ace, 0x2011, 0x0101, 0x0101, "ZyXEL", "G-220F USB-WLAN Install", US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_IGNORE_DEVICE ), +UNUSUAL_DEV( 0x0ace, 0x20ff, 0x0101, 0x0101, + "SiteCom", + "WL-117 USB-WLAN Install", + US_SC_DEVICE, US_PR_DEVICE, NULL, + US_FL_IGNORE_DEVICE ), + #ifdef CONFIG_USB_STORAGE_ISD200 UNUSUAL_DEV( 0x0bf6, 0xa001, 0x0100, 0x0110, "ATI", diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 4d7485fa553f..6e1f1ea21b38 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -704,6 +704,91 @@ config FB_CG6 This is the frame buffer device driver for the CGsix (GX, TurboGX) frame buffer. +config FB_FFB + bool "Creator/Creator3D/Elite3D support" + depends on FB_SBUS && SPARC64 + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + help + This is the frame buffer device driver for the Creator, Creator3D, + and Elite3D graphics boards. + +config FB_TCX + bool "TCX (SS4/SS5 only) support" + depends on FB_SBUS + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + help + This is the frame buffer device driver for the TCX 24/8bit frame + buffer. + +config FB_CG14 + bool "CGfourteen (SX) support" + depends on FB_SBUS + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + help + This is the frame buffer device driver for the CGfourteen frame + buffer on Desktop SPARCsystems with the SX graphics option. + +config FB_P9100 + bool "P9100 (Sparcbook 3 only) support" + depends on FB_SBUS + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + help + This is the frame buffer device driver for the P9100 card + supported on Sparcbook 3 machines. + +config FB_LEO + bool "Leo (ZX) support" + depends on FB_SBUS + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + help + This is the frame buffer device driver for the SBUS-based Sun ZX + (leo) frame buffer cards. + +config FB_IGA + bool "IGA 168x display support" + depends on FB && SPARC32 + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + help + This is the framebuffer device for the INTERGRAPHICS 1680 and + successor frame buffer cards. + +config FB_XVR500 + bool "Sun XVR-500 3DLABS Wildcat support" + depends on FB && PCI && SPARC64 + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + help + This is the framebuffer device for the Sun XVR-500 and similar + graphics cards based upon the 3DLABS Wildcat chipset. The driver + only works on sparc64 systems where the system firwmare has + mostly initialized the card already. It is treated as a + completely dumb framebuffer device. + +config FB_XVR2500 + bool "Sun XVR-2500 3DLABS Wildcat support" + depends on FB && PCI && SPARC64 + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + help + This is the framebuffer device for the Sun XVR-2500 and similar + graphics cards based upon the 3DLABS Wildcat chipset. The driver + only works on sparc64 systems where the system firwmare has + mostly initialized the card already. It is treated as a + completely dumb framebuffer device. + config FB_PVR2 tristate "NEC PowerVR 2 display support" depends on FB && SH_DREAMCAST @@ -1195,7 +1280,7 @@ config FB_ATY config FB_ATY_CT bool "Mach64 CT/VT/GT/LT (incl. 3D RAGE) support" depends on PCI && FB_ATY - default y if SPARC64 && FB_PCI + default y if SPARC64 && PCI help Say Y here to support use of ATI's 64-bit Rage boards (or other boards based on the Mach64 CT, VT, GT, and LT chipsets) as a @@ -1484,95 +1569,6 @@ config FB_AU1200 source "drivers/video/geode/Kconfig" -config FB_FFB - bool "Creator/Creator3D/Elite3D support" - depends on FB_SBUS && SPARC64 - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - help - This is the frame buffer device driver for the Creator, Creator3D, - and Elite3D graphics boards. - -config FB_TCX - bool "TCX (SS4/SS5 only) support" - depends on FB_SBUS - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - help - This is the frame buffer device driver for the TCX 24/8bit frame - buffer. - -config FB_CG14 - bool "CGfourteen (SX) support" - depends on FB_SBUS - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - help - This is the frame buffer device driver for the CGfourteen frame - buffer on Desktop SPARCsystems with the SX graphics option. - -config FB_P9100 - bool "P9100 (Sparcbook 3 only) support" - depends on FB_SBUS - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - help - This is the frame buffer device driver for the P9100 card - supported on Sparcbook 3 machines. - -config FB_LEO - bool "Leo (ZX) support" - depends on FB_SBUS - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - help - This is the frame buffer device driver for the SBUS-based Sun ZX - (leo) frame buffer cards. - -config FB_XVR500 - bool "Sun XVR-500 3DLABS Wildcat support" - depends on (FB = y) && PCI && SPARC64 - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - help - This is the framebuffer device for the Sun XVR-500 and similar - graphics cards based upon the 3DLABS Wildcat chipset. The driver - only works on sparc64 systems where the system firwmare has - mostly initialized the card already. It is treated as a - completely dumb framebuffer device. - -config FB_XVR2500 - bool "Sun XVR-2500 3DLABS Wildcat support" - depends on (FB = y) && PCI && SPARC64 - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - help - This is the framebuffer device for the Sun XVR-2500 and similar - graphics cards based upon the 3DLABS Wildcat chipset. The driver - only works on sparc64 systems where the system firwmare has - mostly initialized the card already. It is treated as a - completely dumb framebuffer device. - -config FB_PCI - bool "PCI framebuffers" - depends on (FB = y) && PCI && SPARC - -config FB_IGA - bool "IGA 168x display support" - depends on SPARC32 && FB_PCI - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT - help - This is the framebuffer device for the INTERGRAPHICS 1680 and - successor frame buffer cards. - config FB_HIT tristate "HD64461 Frame Buffer support" depends on FB && HD64461 @@ -1796,9 +1792,10 @@ config FB_IBM_GXT4500 config FB_PS3 bool "PS3 GPU framebuffer driver" depends on (FB = y) && PS3_PS3AV - select FB_CFB_FILLRECT - select FB_CFB_COPYAREA - select FB_CFB_IMAGEBLIT + select FB_SYS_FILLRECT + select FB_SYS_COPYAREA + select FB_SYS_IMAGEBLIT + select FB_SYS_FOPS ---help--- Include support for the virtual frame buffer in the PS3 platform. diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c index 267c1ff9ebd9..a12589898597 100644 --- a/drivers/video/imxfb.c +++ b/drivers/video/imxfb.c @@ -394,26 +394,18 @@ static void imxfb_setup_gpio(struct imxfb_info *fbi) /* initialize GPIOs */ imx_gpio_mode(PD6_PF_LSCLK); - imx_gpio_mode(PD10_PF_SPL_SPR); imx_gpio_mode(PD11_PF_CONTRAST); imx_gpio_mode(PD14_PF_FLM_VSYNC); imx_gpio_mode(PD13_PF_LP_HSYNC); - imx_gpio_mode(PD7_PF_REV); - imx_gpio_mode(PD8_PF_CLS); - -#ifndef CONFIG_MACH_PIMX1 - /* on PiMX1 used as buffers enable signal - */ - imx_gpio_mode(PD9_PF_PS); -#endif - -#ifndef CONFIG_MACH_MX1FS2 - /* on mx1fs2 this pin is used to (de)activate the display, so we need - * it as a normal gpio - */ imx_gpio_mode(PD12_PF_ACD_OE); -#endif + /* These are only needed for Sharp HR TFT displays */ + if (fbi->pcr & PCR_SHARP) { + imx_gpio_mode(PD7_PF_REV); + imx_gpio_mode(PD8_PF_CLS); + imx_gpio_mode(PD9_PF_PS); + imx_gpio_mode(PD10_PF_SPL_SPR); + } } #ifdef CONFIG_PM @@ -476,7 +468,6 @@ static int __init imxfb_init_fbinfo(struct device *dev) info->fbops = &imxfb_ops; info->flags = FBINFO_FLAG_DEFAULT; - info->pseudo_palette = (fbi + 1); fbi->rgb[RGB_16] = &def_rgb_16; fbi->rgb[RGB_8] = &def_rgb_8; @@ -499,6 +490,7 @@ static int __init imxfb_init_fbinfo(struct device *dev) info->var.sync = inf->sync; info->var.grayscale = inf->cmap_greyscale; fbi->cmap_inverse = inf->cmap_inverse; + fbi->cmap_static = inf->cmap_static; fbi->pcr = inf->pcr; fbi->lscr1 = inf->lscr1; fbi->dmacr = inf->dmacr; diff --git a/drivers/video/pm2fb.c b/drivers/video/pm2fb.c index ab5e66890e4e..0a04483aa3e0 100644 --- a/drivers/video/pm2fb.c +++ b/drivers/video/pm2fb.c @@ -183,15 +183,17 @@ static inline void pm2_RDAC_WR(struct pm2fb_par* p, s32 idx, u32 v) index = PM2VR_RD_INDEXED_DATA; break; } - mb(); + wmb(); pm2_WR(p, index, v); + wmb(); } static inline void pm2v_RDAC_WR(struct pm2fb_par* p, s32 idx, u32 v) { pm2_WR(p, PM2VR_RD_INDEX_LOW, idx & 0xff); - mb(); + wmb(); pm2_WR(p, PM2VR_RD_INDEXED_DATA, v); + wmb(); } #ifdef CONFIG_FB_PM2_FIFO_DISCONNECT @@ -466,11 +468,9 @@ static void set_memclock(struct pm2fb_par* par, u32 clk) WAIT_FIFO(par, 8); pm2_WR(par, PM2VR_RD_INDEX_HIGH, PM2VI_RD_MCLK_CONTROL >> 8); pm2v_RDAC_WR(par, PM2VI_RD_MCLK_CONTROL, 0); - wmb(); pm2v_RDAC_WR(par, PM2VI_RD_MCLK_PRESCALE, m); pm2v_RDAC_WR(par, PM2VI_RD_MCLK_FEEDBACK, n); pm2v_RDAC_WR(par, PM2VI_RD_MCLK_POSTSCALE, p); - wmb(); pm2v_RDAC_WR(par, PM2VI_RD_MCLK_CONTROL, 1); rmb(); for (i = 256; @@ -483,12 +483,9 @@ static void set_memclock(struct pm2fb_par* par, u32 clk) pm2_mnp(clk, &m, &n, &p); WAIT_FIFO(par, 10); pm2_RDAC_WR(par, PM2I_RD_MEMORY_CLOCK_3, 6); - wmb(); pm2_RDAC_WR(par, PM2I_RD_MEMORY_CLOCK_1, m); pm2_RDAC_WR(par, PM2I_RD_MEMORY_CLOCK_2, n); - wmb(); pm2_RDAC_WR(par, PM2I_RD_MEMORY_CLOCK_3, 8|p); - wmb(); pm2_RDAC_RD(par, PM2I_RD_MEMORY_CLOCK_STATUS); rmb(); for (i = 256; @@ -509,12 +506,9 @@ static void set_pixclock(struct pm2fb_par* par, u32 clk) pm2_mnp(clk, &m, &n, &p); WAIT_FIFO(par, 8); pm2_RDAC_WR(par, PM2I_RD_PIXEL_CLOCK_A3, 0); - wmb(); pm2_RDAC_WR(par, PM2I_RD_PIXEL_CLOCK_A1, m); pm2_RDAC_WR(par, PM2I_RD_PIXEL_CLOCK_A2, n); - wmb(); pm2_RDAC_WR(par, PM2I_RD_PIXEL_CLOCK_A3, 8|p); - wmb(); pm2_RDAC_RD(par, PM2I_RD_PIXEL_CLOCK_STATUS); rmb(); for (i = 256; @@ -1066,10 +1060,9 @@ static void pm2fb_block_op(struct fb_info* info, int copy, if (!w || !h) return; - WAIT_FIFO(par, 6); + WAIT_FIFO(par, 5); pm2_WR(par, PM2R_CONFIG, PM2F_CONFIG_FB_WRITE_ENABLE | PM2F_CONFIG_FB_READ_SOURCE_ENABLE); - pm2_WR(par, PM2R_FB_PIXEL_OFFSET, 0); if (copy) pm2_WR(par, PM2R_FB_SOURCE_DELTA, ((ysrc-y) & 0xfff) << 16 | ((xsrc-x) & 0xfff)); diff --git a/drivers/video/pm3fb.c b/drivers/video/pm3fb.c index c77a1a1fd46b..616a0c08e30c 100644 --- a/drivers/video/pm3fb.c +++ b/drivers/video/pm3fb.c @@ -52,11 +52,6 @@ static char *mode_option __devinitdata; /* - * If your driver supports multiple boards, you should make the - * below data types arrays, or allocate them dynamically (using kmalloc()). - */ - -/* * This structure defines the hardware state of the graphics card. Normally * you place this in a header file in linux/include/video. This file usually * also includes register information. That allows other driver subsystems @@ -67,7 +62,7 @@ struct pm3_par { unsigned char __iomem *v_regs;/* virtual address of p_regs */ u32 video; /* video flags before blanking */ u32 base; /* screen base (xoffset+yoffset) in 128 bits unit */ - u32 palette[16]; + u32 palette[16]; }; /* @@ -104,36 +99,28 @@ static inline void PM3_WAIT(struct pm3_par *par, u32 n) while (PM3_READ_REG(par, PM3InFIFOSpace) < n); } -static inline void PM3_SLOW_WRITE_REG(struct pm3_par *par, s32 off, u32 v) -{ - if (par->v_regs) { - mb(); - PM3_WAIT(par, 1); - wmb(); - PM3_WRITE_REG(par, off, v); - } -} - -static inline void PM3_SET_INDEX(struct pm3_par *par, unsigned index) -{ - PM3_SLOW_WRITE_REG(par, PM3RD_IndexHigh, (index >> 8) & 0xff); - PM3_SLOW_WRITE_REG(par, PM3RD_IndexLow, index & 0xff); -} - static inline void PM3_WRITE_DAC_REG(struct pm3_par *par, unsigned r, u8 v) { - PM3_SET_INDEX(par, r); + PM3_WAIT(par, 3); + PM3_WRITE_REG(par, PM3RD_IndexHigh, (r >> 8) & 0xff); + PM3_WRITE_REG(par, PM3RD_IndexLow, r & 0xff); wmb(); PM3_WRITE_REG(par, PM3RD_IndexedData, v); + wmb(); } static inline void pm3fb_set_color(struct pm3_par *par, unsigned char regno, unsigned char r, unsigned char g, unsigned char b) { - PM3_SLOW_WRITE_REG(par, PM3RD_PaletteWriteAddress, regno); - PM3_SLOW_WRITE_REG(par, PM3RD_PaletteData, r); - PM3_SLOW_WRITE_REG(par, PM3RD_PaletteData, g); - PM3_SLOW_WRITE_REG(par, PM3RD_PaletteData, b); + PM3_WAIT(par, 4); + PM3_WRITE_REG(par, PM3RD_PaletteWriteAddress, regno); + wmb(); + PM3_WRITE_REG(par, PM3RD_PaletteData, r); + wmb(); + PM3_WRITE_REG(par, PM3RD_PaletteData, g); + wmb(); + PM3_WRITE_REG(par, PM3RD_PaletteData, b); + wmb(); } static void pm3fb_clear_colormap(struct pm3_par *par, @@ -141,7 +128,7 @@ static void pm3fb_clear_colormap(struct pm3_par *par, { int i; - for (i = 0; i < 256 ; i++) /* fill color map with white */ + for (i = 0; i < 256 ; i++) pm3fb_set_color(par, i, r, g, b); } @@ -175,19 +162,26 @@ static void pm3fb_calculate_clock(unsigned long reqclock, } } -static inline int pm3fb_shift_bpp(unsigned long depth, int v) +static inline int pm3fb_depth(const struct fb_var_screeninfo *var) { - switch (depth) { + if ( var->bits_per_pixel == 16 ) + return var->red.length + var->green.length + + var->blue.length; + + return var->bits_per_pixel; +} + +static inline int pm3fb_shift_bpp(unsigned bpp, int v) +{ + switch (bpp) { case 8: return (v >> 4); - case 12: - case 15: case 16: return (v >> 3); case 32: return (v >> 2); } - DPRINTK("Unsupported depth %ld\n", depth); + DPRINTK("Unsupported depth %u\n", bpp); return 0; } @@ -206,56 +200,50 @@ static void pm3fb_write_mode(struct fb_info *info) const u32 vbend = vsend + info->var.upper_margin; const u32 vtotal = info->var.yres + vbend; const u32 width = (info->var.xres_virtual + 7) & ~7; - - PM3_SLOW_WRITE_REG(par, PM3MemBypassWriteMask, 0xffffffff); - PM3_SLOW_WRITE_REG(par, PM3Aperture0, 0x00000000); - PM3_SLOW_WRITE_REG(par, PM3Aperture1, 0x00000000); - PM3_SLOW_WRITE_REG(par, PM3FIFODis, 0x00000007); - - PM3_SLOW_WRITE_REG(par, PM3HTotal, - pm3fb_shift_bpp(info->var.bits_per_pixel, - htotal - 1)); - PM3_SLOW_WRITE_REG(par, PM3HsEnd, - pm3fb_shift_bpp(info->var.bits_per_pixel, - hsend)); - PM3_SLOW_WRITE_REG(par, PM3HsStart, - pm3fb_shift_bpp(info->var.bits_per_pixel, - hsstart)); - PM3_SLOW_WRITE_REG(par, PM3HbEnd, - pm3fb_shift_bpp(info->var.bits_per_pixel, - hbend)); - PM3_SLOW_WRITE_REG(par, PM3HgEnd, - pm3fb_shift_bpp(info->var.bits_per_pixel, - hbend)); - PM3_SLOW_WRITE_REG(par, PM3ScreenStride, - pm3fb_shift_bpp(info->var.bits_per_pixel, - width)); - PM3_SLOW_WRITE_REG(par, PM3VTotal, vtotal - 1); - PM3_SLOW_WRITE_REG(par, PM3VsEnd, vsend - 1); - PM3_SLOW_WRITE_REG(par, PM3VsStart, vsstart - 1); - PM3_SLOW_WRITE_REG(par, PM3VbEnd, vbend); - - switch (info->var.bits_per_pixel) { + const unsigned bpp = info->var.bits_per_pixel; + + PM3_WAIT(par, 20); + PM3_WRITE_REG(par, PM3MemBypassWriteMask, 0xffffffff); + PM3_WRITE_REG(par, PM3Aperture0, 0x00000000); + PM3_WRITE_REG(par, PM3Aperture1, 0x00000000); + PM3_WRITE_REG(par, PM3FIFODis, 0x00000007); + + PM3_WRITE_REG(par, PM3HTotal, + pm3fb_shift_bpp(bpp, htotal - 1)); + PM3_WRITE_REG(par, PM3HsEnd, + pm3fb_shift_bpp(bpp, hsend)); + PM3_WRITE_REG(par, PM3HsStart, + pm3fb_shift_bpp(bpp, hsstart)); + PM3_WRITE_REG(par, PM3HbEnd, + pm3fb_shift_bpp(bpp, hbend)); + PM3_WRITE_REG(par, PM3HgEnd, + pm3fb_shift_bpp(bpp, hbend)); + PM3_WRITE_REG(par, PM3ScreenStride, + pm3fb_shift_bpp(bpp, width)); + PM3_WRITE_REG(par, PM3VTotal, vtotal - 1); + PM3_WRITE_REG(par, PM3VsEnd, vsend - 1); + PM3_WRITE_REG(par, PM3VsStart, vsstart - 1); + PM3_WRITE_REG(par, PM3VbEnd, vbend); + + switch (bpp) { case 8: - PM3_SLOW_WRITE_REG(par, PM3ByAperture1Mode, + PM3_WRITE_REG(par, PM3ByAperture1Mode, PM3ByApertureMode_PIXELSIZE_8BIT); - PM3_SLOW_WRITE_REG(par, PM3ByAperture2Mode, + PM3_WRITE_REG(par, PM3ByAperture2Mode, PM3ByApertureMode_PIXELSIZE_8BIT); break; - case 12: - case 15: case 16: #ifndef __BIG_ENDIAN - PM3_SLOW_WRITE_REG(par, PM3ByAperture1Mode, + PM3_WRITE_REG(par, PM3ByAperture1Mode, PM3ByApertureMode_PIXELSIZE_16BIT); - PM3_SLOW_WRITE_REG(par, PM3ByAperture2Mode, + PM3_WRITE_REG(par, PM3ByAperture2Mode, PM3ByApertureMode_PIXELSIZE_16BIT); #else - PM3_SLOW_WRITE_REG(par, PM3ByAperture1Mode, + PM3_WRITE_REG(par, PM3ByAperture1Mode, PM3ByApertureMode_PIXELSIZE_16BIT | PM3ByApertureMode_BYTESWAP_BADC); - PM3_SLOW_WRITE_REG(par, PM3ByAperture2Mode, + PM3_WRITE_REG(par, PM3ByAperture2Mode, PM3ByApertureMode_PIXELSIZE_16BIT | PM3ByApertureMode_BYTESWAP_BADC); #endif /* ! __BIG_ENDIAN */ @@ -263,23 +251,22 @@ static void pm3fb_write_mode(struct fb_info *info) case 32: #ifndef __BIG_ENDIAN - PM3_SLOW_WRITE_REG(par, PM3ByAperture1Mode, + PM3_WRITE_REG(par, PM3ByAperture1Mode, PM3ByApertureMode_PIXELSIZE_32BIT); - PM3_SLOW_WRITE_REG(par, PM3ByAperture2Mode, + PM3_WRITE_REG(par, PM3ByAperture2Mode, PM3ByApertureMode_PIXELSIZE_32BIT); #else - PM3_SLOW_WRITE_REG(par, PM3ByAperture1Mode, + PM3_WRITE_REG(par, PM3ByAperture1Mode, PM3ByApertureMode_PIXELSIZE_32BIT | PM3ByApertureMode_BYTESWAP_DCBA); - PM3_SLOW_WRITE_REG(par, PM3ByAperture2Mode, + PM3_WRITE_REG(par, PM3ByAperture2Mode, PM3ByApertureMode_PIXELSIZE_32BIT | PM3ByApertureMode_BYTESWAP_DCBA); #endif /* ! __BIG_ENDIAN */ break; default: - DPRINTK("Unsupported depth %d\n", - info->var.bits_per_pixel); + DPRINTK("Unsupported depth %d\n", bpp); break; } @@ -296,14 +283,15 @@ static void pm3fb_write_mode(struct fb_info *info) PM3VideoControl_VSYNC_MASK); video |= PM3VideoControl_HSYNC_ACTIVE_HIGH | PM3VideoControl_VSYNC_ACTIVE_HIGH; - PM3_SLOW_WRITE_REG(par, PM3VideoControl, video); + PM3_WRITE_REG(par, PM3VideoControl, video); } - PM3_SLOW_WRITE_REG(par, PM3VClkCtl, + PM3_WRITE_REG(par, PM3VClkCtl, (PM3_READ_REG(par, PM3VClkCtl) & 0xFFFFFFFC)); - PM3_SLOW_WRITE_REG(par, PM3ScreenBase, par->base); - PM3_SLOW_WRITE_REG(par, PM3ChipConfig, + PM3_WRITE_REG(par, PM3ScreenBase, par->base); + PM3_WRITE_REG(par, PM3ChipConfig, (PM3_READ_REG(par, PM3ChipConfig) & 0xFFFFFFFD)); + wmb(); { unsigned char uninitialized_var(m); /* ClkPreScale */ unsigned char uninitialized_var(n); /* ClkFeedBackScale */ @@ -337,7 +325,7 @@ static void pm3fb_write_mode(struct fb_info *info) PM3_WRITE_DAC_REG(par, PM3RD_DACControl, 0x00); - switch (info->var.bits_per_pixel) { + switch (pm3fb_depth(&info->var)) { case 8: PM3_WRITE_DAC_REG(par, PM3RD_PixelSize, PM3RD_PixelSize_8_BIT_PIXELS); @@ -393,57 +381,44 @@ static void pm3fb_write_mode(struct fb_info *info) * hardware independent functions */ int pm3fb_init(void); -int pm3fb_setup(char*); static int pm3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { u32 lpitch; + unsigned bpp = var->red.length + var->green.length + + var->blue.length + var->transp.length; - var->transp.offset = 0; - var->transp.length = 0; - switch(var->bits_per_pixel) { - case 8: - var->red.length = var->green.length = var->blue.length = 8; - var->red.offset = var->green.offset = var->blue.offset = 0; - break; - case 12: - var->red.offset = 8; - var->red.length = 4; - var->green.offset = 4; - var->green.length = 4; - var->blue.offset = 0; - var->blue.length = 4; - var->transp.offset = 12; - var->transp.length = 4; - case 15: - var->red.offset = 10; - var->red.length = 5; - var->green.offset = 5; - var->green.length = 5; - var->blue.offset = 0; - var->blue.length = 5; - var->transp.offset = 15; - var->transp.length = 1; - break; - case 16: - var->red.offset = 11; - var->red.length = 5; - var->green.offset = 5; - var->green.length = 6; - var->blue.offset = 0; - var->blue.length = 5; - break; - case 32: - var->transp.offset = 24; - var->transp.length = 8; - var->red.offset = 16; - var->green.offset = 8; - var->blue.offset = 0; - var->red.length = var->green.length = var->blue.length = 8; - break; - default: - DPRINTK("depth not supported: %u\n", var->bits_per_pixel); - return -EINVAL; + if ( bpp != var->bits_per_pixel ) { + /* set predefined mode for bits_per_pixel settings */ + + switch(var->bits_per_pixel) { + case 8: + var->red.length = var->green.length = var->blue.length = 8; + var->red.offset = var->green.offset = var->blue.offset = 0; + var->transp.offset = 0; + var->transp.length = 0; + break; + case 16: + var->red.length = var->blue.length = 5; + var->green.length = 6; + var->transp.length = 0; + break; + case 32: + var->red.length = var->green.length = var->blue.length = 8; + var->transp.length = 8; + break; + default: + DPRINTK("depth not supported: %u\n", var->bits_per_pixel); + return -EINVAL; + } + } + /* it is assumed BGRA order */ + if (var->bits_per_pixel > 8 ) + { + var->blue.offset = 0; + var->green.offset = var->blue.length; + var->red.offset = var->green.offset + var->green.length; + var->transp.offset = var->red.offset + var->red.length; } var->height = var->width = -1; @@ -502,10 +477,9 @@ static int pm3fb_set_par(struct fb_info *info) { struct pm3_par *par = info->par; const u32 xres = (info->var.xres + 31) & ~31; - const int depth = (info->var.bits_per_pixel + 7) & ~7; + const unsigned bpp = info->var.bits_per_pixel; - par->base = pm3fb_shift_bpp(info->var.bits_per_pixel, - (info->var.yoffset * xres) + par->base = pm3fb_shift_bpp(bpp,(info->var.yoffset * xres) + info->var.xoffset); par->video = 0; @@ -530,12 +504,10 @@ static int pm3fb_set_par(struct fb_info *info) par->video |= PM3VideoControl_DISABLE; DPRINTK("PM3Video disabled\n"); } - switch (depth) { + switch (bpp) { case 8: par->video |= PM3VideoControl_PIXELSIZE_8BIT; break; - case 12: - case 15: case 16: par->video |= PM3VideoControl_PIXELSIZE_16BIT; break; @@ -548,9 +520,9 @@ static int pm3fb_set_par(struct fb_info *info) } info->fix.visual = - (depth == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; + (bpp == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; info->fix.line_length = ((info->var.xres_virtual + 7) & ~7) - * depth / 8; + * bpp / 8; /* pm3fb_clear_memory(info, 0);*/ pm3fb_clear_colormap(par, 0, 0, 0); @@ -580,8 +552,8 @@ static int pm3fb_setcolreg(unsigned regno, unsigned red, unsigned green, * var->{color}.length contains length of bitfield * {hardwarespecific} contains width of DAC * pseudo_palette[X] is programmed to (X << red.offset) | - * (X << green.offset) | - * (X << blue.offset) + * (X << green.offset) | + * (X << blue.offset) * RAMDAC[X] is programmed to (red, green, blue) * color depth = SUM(var->{color}.length) * @@ -621,7 +593,6 @@ static int pm3fb_setcolreg(unsigned regno, unsigned red, unsigned green, case 8: break; case 16: - case 24: case 32: ((u32*)(info->pseudo_palette))[regno] = v; break; @@ -643,7 +614,8 @@ static int pm3fb_pan_display(struct fb_var_screeninfo *var, par->base = pm3fb_shift_bpp(var->bits_per_pixel, (var->yoffset * xres) + var->xoffset); - PM3_SLOW_WRITE_REG(par, PM3ScreenBase, par->base); + PM3_WAIT(par, 1); + PM3_WRITE_REG(par, PM3ScreenBase, par->base); return 0; } @@ -665,31 +637,31 @@ static int pm3fb_blank(int blank_mode, struct fb_info *info) switch (blank_mode) { case FB_BLANK_UNBLANK: - video = video | PM3VideoControl_ENABLE; + video |= PM3VideoControl_ENABLE; break; - case FB_BLANK_NORMAL: /* FIXME */ - video = video & ~(PM3VideoControl_ENABLE); + case FB_BLANK_NORMAL: + video &= ~(PM3VideoControl_ENABLE); break; case FB_BLANK_HSYNC_SUSPEND: - video = video & ~(PM3VideoControl_HSYNC_MASK | - PM3VideoControl_BLANK_ACTIVE_LOW); + video &= ~(PM3VideoControl_HSYNC_MASK | + PM3VideoControl_BLANK_ACTIVE_LOW); break; case FB_BLANK_VSYNC_SUSPEND: - video = video & ~(PM3VideoControl_VSYNC_MASK | - PM3VideoControl_BLANK_ACTIVE_LOW); + video &= ~(PM3VideoControl_VSYNC_MASK | + PM3VideoControl_BLANK_ACTIVE_LOW); break; case FB_BLANK_POWERDOWN: - video = video & ~(PM3VideoControl_HSYNC_MASK | - PM3VideoControl_VSYNC_MASK | - PM3VideoControl_BLANK_ACTIVE_LOW); + video &= ~(PM3VideoControl_HSYNC_MASK | + PM3VideoControl_VSYNC_MASK | + PM3VideoControl_BLANK_ACTIVE_LOW); break; default: DPRINTK("Unsupported blanking %d\n", blank_mode); return 1; } - PM3_SLOW_WRITE_REG(par,PM3VideoControl, video); - + PM3_WAIT(par, 1); + PM3_WRITE_REG(par,PM3VideoControl, video); return 0; } @@ -703,9 +675,9 @@ static struct fb_ops pm3fb_ops = { .fb_set_par = pm3fb_set_par, .fb_setcolreg = pm3fb_setcolreg, .fb_pan_display = pm3fb_pan_display, - .fb_fillrect = cfb_fillrect, /* Needed !!! */ - .fb_copyarea = cfb_copyarea, /* Needed !!! */ - .fb_imageblit = cfb_imageblit, /* Needed !!! */ + .fb_fillrect = cfb_fillrect, + .fb_copyarea = cfb_copyarea, + .fb_imageblit = cfb_imageblit, .fb_blank = pm3fb_blank, }; @@ -722,7 +694,7 @@ static unsigned long pm3fb_size_memory(struct pm3_par *par) unsigned long memsize = 0, tempBypass, i, temp1, temp2; unsigned char __iomem *screen_mem; - pm3fb_fix.smem_len = 64 * 1024 * 1024; /* request full aperture size */ + pm3fb_fix.smem_len = 64 * 1024l * 1024; /* request full aperture size */ /* Linear frame buffer - request region and map it. */ if (!request_mem_region(pm3fb_fix.smem_start, pm3fb_fix.smem_len, "pm3fb smem")) { @@ -744,7 +716,8 @@ static unsigned long pm3fb_size_memory(struct pm3_par *par) DPRINTK("PM3MemBypassWriteMask was: 0x%08lx\n", tempBypass); - PM3_SLOW_WRITE_REG(par, PM3MemBypassWriteMask, 0xFFFFFFFF); + PM3_WAIT(par, 1); + PM3_WRITE_REG(par, PM3MemBypassWriteMask, 0xFFFFFFFF); /* pm3 split up memory, replicates, and do a lot of nasty stuff IMHO ;-) */ for (i = 0; i < 32; i++) { @@ -765,10 +738,9 @@ static unsigned long pm3fb_size_memory(struct pm3_par *par) if (memsize + 1 == i) { for (i = 0; i < 32; i++) { /* Clear first 32MB ; 0 is 0, no need to byteswap */ - writel(0x0000000, - (screen_mem + (i * 1048576))); - mb(); + writel(0x0000000, (screen_mem + (i * 1048576))); } + wmb(); for (i = 32; i < 64; i++) { fb_writel(i * 0x00345678, @@ -787,7 +759,8 @@ static unsigned long pm3fb_size_memory(struct pm3_par *par) } DPRINTK("Second detect pass got %ld MB\n", memsize + 1); - PM3_SLOW_WRITE_REG(par, PM3MemBypassWriteMask, tempBypass); + PM3_WAIT(par, 1); + PM3_WRITE_REG(par, PM3MemBypassWriteMask, tempBypass); iounmap(screen_mem); release_mem_region(pm3fb_fix.smem_start, pm3fb_fix.smem_len); @@ -890,7 +863,6 @@ static int __devinit pm3fb_probe(struct pci_dev *dev, goto err_exit_both; } - /* This has to been done !!! */ if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) { retval = -ENOMEM; goto err_exit_both; @@ -907,7 +879,7 @@ static int __devinit pm3fb_probe(struct pci_dev *dev, } printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node, info->fix.id); - pci_set_drvdata(dev, info); /* or dev_set_drvdata(device, info) */ + pci_set_drvdata(dev, info); return 0; err_exit_all: @@ -949,8 +921,7 @@ static void __devexit pm3fb_remove(struct pci_dev *dev) static struct pci_device_id pm3fb_id_table[] = { { PCI_VENDOR_ID_3DLABS, 0x0a, - PCI_ANY_ID, PCI_ANY_ID, PCI_BASE_CLASS_DISPLAY << 16, - 0xff0000, 0 }, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, { 0, } }; @@ -964,6 +935,22 @@ static struct pci_driver pm3fb_driver = { MODULE_DEVICE_TABLE(pci, pm3fb_id_table); +#ifndef MODULE + /* + * Setup + */ + +/* + * Only necessary if your driver takes special options, + * otherwise we fall back on the generic fb_setup(). + */ +static int __init pm3fb_setup(char *options) +{ + /* Parse user speficied options (`video=pm3fb:') */ + return 0; +} +#endif /* MODULE */ + int __init pm3fb_init(void) { /* @@ -985,22 +972,6 @@ static void __exit pm3fb_exit(void) pci_unregister_driver(&pm3fb_driver); } -#ifndef MODULE - /* - * Setup - */ - -/* - * Only necessary if your driver takes special options, - * otherwise we fall back on the generic fb_setup(). - */ -int __init pm3fb_setup(char *options) -{ - /* Parse user speficied options (`video=pm3fb:') */ - return 0; -} -#endif /* MODULE */ - module_init(pm3fb_init); module_exit(pm3fb_exit); diff --git a/drivers/video/ps3fb.c b/drivers/video/ps3fb.c index 9756a728b74f..9cf92ba5d6e3 100644 --- a/drivers/video/ps3fb.c +++ b/drivers/video/ps3fb.c @@ -951,12 +951,14 @@ static int ps3fb_xdr_settings(u64 xdr_lpar) static struct fb_ops ps3fb_ops = { .fb_open = ps3fb_open, .fb_release = ps3fb_release, + .fb_read = fb_sys_read, + .fb_write = fb_sys_write, .fb_check_var = ps3fb_check_var, .fb_set_par = ps3fb_set_par, .fb_setcolreg = ps3fb_setcolreg, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, + .fb_fillrect = sys_fillrect, + .fb_copyarea = sys_copyarea, + .fb_imageblit = sys_imageblit, .fb_mmap = ps3fb_mmap, .fb_blank = ps3fb_blank, .fb_ioctl = ps3fb_ioctl, diff --git a/drivers/video/w100fb.c b/drivers/video/w100fb.c index 5fc86ea20692..003c49a490eb 100644 --- a/drivers/video/w100fb.c +++ b/drivers/video/w100fb.c @@ -660,7 +660,7 @@ int __init w100fb_probe(struct platform_device *pdev) err = -ENODEV; goto out; } - printk(" at 0x%08lx.\n", mem->start+W100_CFG_BASE); + printk(" at 0x%08lx.\n", (unsigned long) mem->start+W100_CFG_BASE); /* Remap the framebuffer */ remapped_fbuf = ioremap_nocache(mem->start+MEM_WINDOW_BASE, MEM_WINDOW_SIZE); @@ -753,10 +753,14 @@ int __init w100fb_probe(struct platform_device *pdev) goto out; } - device_create_file(&pdev->dev, &dev_attr_fastpllclk); - device_create_file(&pdev->dev, &dev_attr_reg_read); - device_create_file(&pdev->dev, &dev_attr_reg_write); - device_create_file(&pdev->dev, &dev_attr_flip); + err = device_create_file(&pdev->dev, &dev_attr_fastpllclk); + err |= device_create_file(&pdev->dev, &dev_attr_reg_read); + err |= device_create_file(&pdev->dev, &dev_attr_reg_write); + err |= device_create_file(&pdev->dev, &dev_attr_flip); + + if (err != 0) + printk(KERN_WARNING "fb%d: failed to register attributes (%d)\n", + info->node, err); printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node, info->fix.id); return 0; diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt index 74c64409ddbc..d4fc6095466d 100644 --- a/fs/Kconfig.binfmt +++ b/fs/Kconfig.binfmt @@ -38,7 +38,7 @@ config BINFMT_ELF_FDPIC config BINFMT_FLAT tristate "Kernel support for flat binaries" - depends on !MMU || SUPERH + depends on !MMU help Support uClinux FLAT format binaries. diff --git a/fs/compat.c b/fs/compat.c index 1de2331db844..4db6216e5266 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -1544,9 +1544,10 @@ int compat_core_sys_select(int n, compat_ulong_t __user *inp, compat_ulong_t __user *outp, compat_ulong_t __user *exp, s64 *timeout) { fd_set_bits fds; - char *bits; + void *bits; int size, max_fds, ret = -EINVAL; struct fdtable *fdt; + long stack_fds[SELECT_STACK_ALLOC/sizeof(long)]; if (n < 0) goto out_nofds; @@ -1564,11 +1565,14 @@ int compat_core_sys_select(int n, compat_ulong_t __user *inp, * since we used fdset we need to allocate memory in units of * long-words. */ - ret = -ENOMEM; size = FDS_BYTES(n); - bits = kmalloc(6 * size, GFP_KERNEL); - if (!bits) - goto out_nofds; + bits = stack_fds; + if (size > sizeof(stack_fds) / 6) { + bits = kmalloc(6 * size, GFP_KERNEL); + ret = -ENOMEM; + if (!bits) + goto out_nofds; + } fds.in = (unsigned long *) bits; fds.out = (unsigned long *) (bits + size); fds.ex = (unsigned long *) (bits + 2*size); @@ -1600,7 +1604,8 @@ int compat_core_sys_select(int n, compat_ulong_t __user *inp, compat_set_fd_set(n, exp, fds.res_ex)) ret = -EFAULT; out: - kfree(bits); + if (bits != stack_fds) + kfree(bits); out_nofds: return ret; } diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index 65643def3182..6b44cdc96fac 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -1194,6 +1194,7 @@ static int vt_check(struct file *file) { struct tty_struct *tty; struct inode *inode = file->f_path.dentry->d_inode; + struct vc_data *vc; if (file->f_op->ioctl != tty_ioctl) return -EINVAL; @@ -1204,12 +1205,16 @@ static int vt_check(struct file *file) if (tty->driver->ioctl != vt_ioctl) return -EINVAL; - + + vc = (struct vc_data *)tty->driver_data; + if (!vc_cons_allocated(vc->vc_num)) /* impossible? */ + return -ENOIOCTLCMD; + /* * To have permissions to do most of the vt ioctls, we either have - * to be the owner of the tty, or super-user. + * to be the owner of the tty, or have CAP_SYS_TTY_CONFIG. */ - if (current->signal->tty == tty || capable(CAP_SYS_ADMIN)) + if (current->signal->tty == tty || capable(CAP_SYS_TTY_CONFIG)) return 1; return 0; } @@ -1310,16 +1315,28 @@ static int do_unimap_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct unimapdesc32 tmp; struct unimapdesc32 __user *user_ud = compat_ptr(arg); int perm = vt_check(file); - - if (perm < 0) return perm; + struct vc_data *vc; + + if (perm < 0) + return perm; if (copy_from_user(&tmp, user_ud, sizeof tmp)) return -EFAULT; + if (tmp.entries) + if (!access_ok(VERIFY_WRITE, compat_ptr(tmp.entries), + tmp.entry_ct*sizeof(struct unipair))) + return -EFAULT; + vc = ((struct tty_struct *)file->private_data)->driver_data; switch (cmd) { case PIO_UNIMAP: - if (!perm) return -EPERM; - return con_set_unimap(vc_cons[fg_console].d, tmp.entry_ct, compat_ptr(tmp.entries)); + if (!perm) + return -EPERM; + return con_set_unimap(vc, tmp.entry_ct, + compat_ptr(tmp.entries)); case GIO_UNIMAP: - return con_get_unimap(vc_cons[fg_console].d, tmp.entry_ct, &(user_ud->entry_ct), compat_ptr(tmp.entries)); + if (!perm && fg_console != vc->vc_num) + return -EPERM; + return con_get_unimap(vc, tmp.entry_ct, &(user_ud->entry_ct), + compat_ptr(tmp.entries)); } return 0; } diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c index 9881b5c5de59..59288d817078 100644 --- a/fs/ecryptfs/file.c +++ b/fs/ecryptfs/file.c @@ -33,63 +33,6 @@ #include "ecryptfs_kernel.h" /** - * ecryptfs_llseek - * @file: File we are seeking in - * @offset: The offset to seek to - * @origin: 2 - offset from i_size; 1 - offset from f_pos - * - * Returns the position we have seeked to, or negative on error - */ -static loff_t ecryptfs_llseek(struct file *file, loff_t offset, int origin) -{ - loff_t rv; - loff_t new_end_pos; - int rc; - int expanding_file = 0; - struct inode *inode = file->f_mapping->host; - - /* If our offset is past the end of our file, we're going to - * need to grow it so we have a valid length of 0's */ - new_end_pos = offset; - switch (origin) { - case 2: - new_end_pos += i_size_read(inode); - expanding_file = 1; - break; - case 1: - new_end_pos += file->f_pos; - if (new_end_pos > i_size_read(inode)) { - ecryptfs_printk(KERN_DEBUG, "new_end_pos(=[0x%.16x]) " - "> i_size_read(inode)(=[0x%.16x])\n", - new_end_pos, i_size_read(inode)); - expanding_file = 1; - } - break; - default: - if (new_end_pos > i_size_read(inode)) { - ecryptfs_printk(KERN_DEBUG, "new_end_pos(=[0x%.16x]) " - "> i_size_read(inode)(=[0x%.16x])\n", - new_end_pos, i_size_read(inode)); - expanding_file = 1; - } - } - ecryptfs_printk(KERN_DEBUG, "new_end_pos = [0x%.16x]\n", new_end_pos); - if (expanding_file) { - rc = ecryptfs_truncate(file->f_path.dentry, new_end_pos); - if (rc) { - rv = rc; - ecryptfs_printk(KERN_ERR, "Error on attempt to " - "truncate to (higher) offset [0x%.16x];" - " rc = [%d]\n", new_end_pos, rc); - goto out; - } - } - rv = generic_file_llseek(file, offset, origin); -out: - return rv; -} - -/** * ecryptfs_read_update_atime * * generic_file_read updates the atime of upper layer inode. But, it @@ -425,7 +368,7 @@ const struct file_operations ecryptfs_dir_fops = { }; const struct file_operations ecryptfs_main_fops = { - .llseek = ecryptfs_llseek, + .llseek = generic_file_llseek, .read = do_sync_read, .aio_read = ecryptfs_read_update_atime, .write = do_sync_write, diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index 88ea6697908f..55cec98a84e7 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -376,9 +376,31 @@ out: return 0; } +/** + * eCryptfs does not currently support holes. When writing after a + * seek past the end of the file, eCryptfs fills in 0's through to the + * current location. The code to fill in the 0's to all the + * intermediate pages calls ecryptfs_prepare_write_no_truncate(). + */ +static int +ecryptfs_prepare_write_no_truncate(struct file *file, struct page *page, + unsigned from, unsigned to) +{ + int rc = 0; + + if (from == 0 && to == PAGE_CACHE_SIZE) + goto out; /* If we are writing a full page, it will be + up to date. */ + if (!PageUptodate(page)) + rc = ecryptfs_do_readpage(file, page, page->index); +out: + return rc; +} + static int ecryptfs_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to) { + loff_t pos; int rc = 0; if (from == 0 && to == PAGE_CACHE_SIZE) @@ -386,6 +408,16 @@ static int ecryptfs_prepare_write(struct file *file, struct page *page, up to date. */ if (!PageUptodate(page)) rc = ecryptfs_do_readpage(file, page, page->index); + pos = ((loff_t)page->index << PAGE_CACHE_SHIFT) + to; + if (pos > i_size_read(page->mapping->host)) { + rc = ecryptfs_truncate(file->f_path.dentry, pos); + if (rc) { + printk(KERN_ERR "Error on attempt to " + "truncate to (higher) offset [%lld];" + " rc = [%d]\n", pos, rc); + goto out; + } + } out: return rc; } @@ -744,10 +776,10 @@ int write_zeros(struct file *file, pgoff_t index, int start, int num_zeros) rc = PTR_ERR(tmp_page); goto out; } - rc = ecryptfs_prepare_write(file, tmp_page, start, start + num_zeros); - if (rc) { + if ((rc = ecryptfs_prepare_write_no_truncate(file, tmp_page, start, + (start + num_zeros)))) { ecryptfs_printk(KERN_ERR, "Error preparing to write zero's " - "to remainder of page at index [0x%.16x]\n", + "to page at index [0x%.16x]\n", index); page_cache_release(tmp_page); goto out; diff --git a/fs/exec.c b/fs/exec.c index 0b685888ff6f..f20561ff4528 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -134,6 +134,9 @@ asmlinkage long sys_uselib(const char __user * library) if (error) goto out; + error = -EACCES; + if (nd.mnt->mnt_flags & MNT_NOEXEC) + goto exit; error = -EINVAL; if (!S_ISREG(nd.dentry->d_inode->i_mode)) goto exit; diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 8890eba1db52..bd5a772d8ccf 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -485,7 +485,7 @@ static int fuse_mknod(struct inode *dir, struct dentry *entry, int mode, static int fuse_create(struct inode *dir, struct dentry *entry, int mode, struct nameidata *nd) { - if (nd && (nd->flags & LOOKUP_CREATE)) { + if (nd && (nd->flags & LOOKUP_OPEN)) { int err = fuse_create_open(dir, entry, mode, nd); if (err != -ENOSYS) return err; diff --git a/fs/fuse/file.c b/fs/fuse/file.c index d0ed60bc3188..adf7995232b8 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -610,7 +610,9 @@ static ssize_t fuse_direct_write(struct file *file, const char __user *buf, ssize_t res; /* Don't allow parallel writes to the same file */ mutex_lock(&inode->i_mutex); - res = fuse_direct_io(file, buf, count, ppos, 1); + res = generic_write_checks(file, ppos, &count, 0); + if (!res) + res = fuse_direct_io(file, buf, count, ppos, 1); mutex_unlock(&inode->i_mutex); return res; } diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 78f7a1dc90dd..9804c0cdcb42 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -454,6 +454,7 @@ static const struct super_operations fuse_super_operations = { .destroy_inode = fuse_destroy_inode, .read_inode = fuse_read_inode, .clear_inode = fuse_clear_inode, + .drop_inode = generic_delete_inode, .remount_fs = fuse_remount_fs, .put_super = fuse_put_super, .umount_begin = fuse_umount_begin, diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index 345aa5c0f382..0c542ec92d5b 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -122,19 +122,25 @@ ssize_t nfs_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov, loff_ return -EINVAL; } -static void nfs_direct_dirty_pages(struct page **pages, int npages) +static void nfs_direct_dirty_pages(struct page **pages, unsigned int pgbase, size_t count) { - int i; + unsigned int npages; + unsigned int i; + + if (count == 0) + return; + pages += (pgbase >> PAGE_SHIFT); + npages = (count + (pgbase & ~PAGE_MASK) + PAGE_SIZE - 1) >> PAGE_SHIFT; for (i = 0; i < npages; i++) { struct page *page = pages[i]; if (!PageCompound(page)) - set_page_dirty_lock(page); + set_page_dirty(page); } } -static void nfs_direct_release_pages(struct page **pages, int npages) +static void nfs_direct_release_pages(struct page **pages, unsigned int npages) { - int i; + unsigned int i; for (i = 0; i < npages; i++) page_cache_release(pages[i]); } @@ -224,17 +230,18 @@ static void nfs_direct_read_result(struct rpc_task *task, void *calldata) if (nfs_readpage_result(task, data) != 0) return; - nfs_direct_dirty_pages(data->pagevec, data->npages); - nfs_direct_release_pages(data->pagevec, data->npages); - spin_lock(&dreq->lock); - - if (likely(task->tk_status >= 0)) - dreq->count += data->res.count; - else + if (unlikely(task->tk_status < 0)) { dreq->error = task->tk_status; - - spin_unlock(&dreq->lock); + spin_unlock(&dreq->lock); + } else { + dreq->count += data->res.count; + spin_unlock(&dreq->lock); + nfs_direct_dirty_pages(data->pagevec, + data->args.pgbase, + data->res.count); + } + nfs_direct_release_pages(data->pagevec, data->npages); if (put_dreq(dreq)) nfs_direct_complete(dreq); @@ -279,9 +286,12 @@ static ssize_t nfs_direct_read_schedule(struct nfs_direct_req *dreq, unsigned lo result = get_user_pages(current, current->mm, user_addr, data->npages, 1, 0, data->pagevec, NULL); up_read(¤t->mm->mmap_sem); - if (unlikely(result < data->npages)) { - if (result > 0) - nfs_direct_release_pages(data->pagevec, result); + if (result < 0) { + nfs_readdata_release(data); + break; + } + if ((unsigned)result < data->npages) { + nfs_direct_release_pages(data->pagevec, result); nfs_readdata_release(data); break; } @@ -610,9 +620,12 @@ static ssize_t nfs_direct_write_schedule(struct nfs_direct_req *dreq, unsigned l result = get_user_pages(current, current->mm, user_addr, data->npages, 0, 0, data->pagevec, NULL); up_read(¤t->mm->mmap_sem); - if (unlikely(result < data->npages)) { - if (result > 0) - nfs_direct_release_pages(data->pagevec, result); + if (result < 0) { + nfs_writedata_release(data); + break; + } + if ((unsigned)result < data->npages) { + nfs_direct_release_pages(data->pagevec, result); nfs_writedata_release(data); break; } diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index cbdd1c6aaa94..c5bb51a29e80 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -355,6 +355,26 @@ void nfs_pageio_complete(struct nfs_pageio_descriptor *desc) nfs_pageio_doio(desc); } +/** + * nfs_pageio_cond_complete - Conditional I/O completion + * @desc: pointer to io descriptor + * @index: page index + * + * It is important to ensure that processes don't try to take locks + * on non-contiguous ranges of pages as that might deadlock. This + * function should be called before attempting to wait on a locked + * nfs_page. It will complete the I/O if the page index 'index' + * is not contiguous with the existing list of pages in 'desc'. + */ +void nfs_pageio_cond_complete(struct nfs_pageio_descriptor *desc, pgoff_t index) +{ + if (!list_empty(&desc->pg_list)) { + struct nfs_page *prev = nfs_list_entry(desc->pg_list.prev); + if (index != prev->wb_index + 1) + nfs_pageio_doio(desc); + } +} + #define NFS_SCAN_MAXENTRIES 16 /** * nfs_scan_list - Scan a list for matching requests diff --git a/fs/nfs/write.c b/fs/nfs/write.c index b084c03ce493..af344a158e01 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -273,8 +273,6 @@ static int nfs_page_async_flush(struct nfs_pageio_descriptor *pgio, * request as dirty (in which case we don't care). */ spin_unlock(req_lock); - /* Prevent deadlock! */ - nfs_pageio_complete(pgio); ret = nfs_wait_on_request(req); nfs_release_request(req); if (ret != 0) @@ -321,6 +319,8 @@ static int nfs_writepage_locked(struct page *page, struct writeback_control *wbc pgio = &mypgio; } + nfs_pageio_cond_complete(pgio, page->index); + err = nfs_page_async_flush(pgio, page); if (err <= 0) goto out; @@ -329,6 +329,8 @@ static int nfs_writepage_locked(struct page *page, struct writeback_control *wbc if (!offset) goto out; + nfs_pageio_cond_complete(pgio, page->index); + ctx = nfs_find_open_context(inode, NULL, FMODE_WRITE); if (ctx == NULL) { err = -EBADF; diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 8e7cafb5fc6c..0023b31e48a8 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -222,7 +222,10 @@ static int ocfs2_readpage(struct file *file, struct page *page) goto out; } - down_read(&OCFS2_I(inode)->ip_alloc_sem); + if (down_read_trylock(&OCFS2_I(inode)->ip_alloc_sem) == 0) { + ret = AOP_TRUNCATED_PAGE; + goto out_meta_unlock; + } /* * i_size might have just been updated as we grabed the meta lock. We @@ -235,10 +238,7 @@ static int ocfs2_readpage(struct file *file, struct page *page) * XXX sys_readahead() seems to get that wrong? */ if (start >= i_size_read(inode)) { - char *addr = kmap(page); - memset(addr, 0, PAGE_SIZE); - flush_dcache_page(page); - kunmap(page); + zero_user_page(page, 0, PAGE_SIZE, KM_USER0); SetPageUptodate(page); ret = 0; goto out_alloc; @@ -258,6 +258,7 @@ static int ocfs2_readpage(struct file *file, struct page *page) ocfs2_data_unlock(inode, 0); out_alloc: up_read(&OCFS2_I(inode)->ip_alloc_sem); +out_meta_unlock: ocfs2_meta_unlock(inode, 0); out: if (unlock) diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 9395b4fa547d..ac6c96431bbc 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -326,6 +326,7 @@ static int ocfs2_truncate_file(struct inode *inode, (unsigned long long)OCFS2_I(inode)->ip_blkno, (unsigned long long)new_i_size); + unmap_mapping_range(inode->i_mapping, new_i_size + PAGE_SIZE - 1, 0, 1); truncate_inode_pages(inode->i_mapping, new_i_size); fe = (struct ocfs2_dinode *) di_bh->b_data; @@ -1418,36 +1419,6 @@ out: return total ? total : ret; } -static int ocfs2_check_iovec(const struct iovec *iov, size_t *counted, - unsigned long *nr_segs) -{ - size_t ocount; /* original count */ - unsigned long seg; - - ocount = 0; - for (seg = 0; seg < *nr_segs; seg++) { - const struct iovec *iv = &iov[seg]; - - /* - * If any segment has a negative length, or the cumulative - * length ever wraps negative then return -EINVAL. - */ - ocount += iv->iov_len; - if (unlikely((ssize_t)(ocount|iv->iov_len) < 0)) - return -EINVAL; - if (access_ok(VERIFY_READ, iv->iov_base, iv->iov_len)) - continue; - if (seg == 0) - return -EFAULT; - *nr_segs = seg; - ocount -= iv->iov_len; /* This segment is no good */ - break; - } - - *counted = ocount; - return 0; -} - static ssize_t ocfs2_file_aio_write(struct kiocb *iocb, const struct iovec *iov, unsigned long nr_segs, @@ -1470,7 +1441,7 @@ static ssize_t ocfs2_file_aio_write(struct kiocb *iocb, if (iocb->ki_left == 0) return 0; - ret = ocfs2_check_iovec(iov, &ocount, &nr_segs); + ret = generic_segment_checks(iov, &nr_segs, &ocount, VERIFY_READ); if (ret) return ret; diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index 4dedd9789108..545f7892cdf3 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -471,9 +471,6 @@ int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb, mutex_lock(&local_alloc_inode->i_mutex); - ac->ac_inode = local_alloc_inode; - ac->ac_which = OCFS2_AC_USE_LOCAL; - if (osb->local_alloc_state != OCFS2_LA_ENABLED) { status = -ENOSPC; goto bail; @@ -511,10 +508,14 @@ int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb, } } + ac->ac_inode = local_alloc_inode; + ac->ac_which = OCFS2_AC_USE_LOCAL; get_bh(osb->local_alloc_bh); ac->ac_bh = osb->local_alloc_bh; status = 0; bail: + if (status < 0 && local_alloc_inode) + iput(local_alloc_inode); mlog_exit(status); return status; diff --git a/fs/reiserfs/dir.c b/fs/reiserfs/dir.c index 9c23fee3bae9..ffbfc2caaf20 100644 --- a/fs/reiserfs/dir.c +++ b/fs/reiserfs/dir.c @@ -10,7 +10,7 @@ #include <linux/buffer_head.h> #include <asm/uaccess.h> -extern struct reiserfs_key MIN_KEY; +extern const struct reiserfs_key MIN_KEY; static int reiserfs_readdir(struct file *, void *, filldir_t); static int reiserfs_dir_fsync(struct file *filp, struct dentry *dentry, diff --git a/fs/signalfd.c b/fs/signalfd.c index 7cfeab412b45..f1da89203a9a 100644 --- a/fs/signalfd.c +++ b/fs/signalfd.c @@ -11,6 +11,8 @@ * Now using anonymous inode source. * Thanks to Oleg Nesterov for useful code review and suggestions. * More comments and suggestions from Arnd Bergmann. + * Sat May 19, 2007: Davi E. M. Arnaut <davi@haxent.com.br> + * Retrieve multiple signals with one read() call */ #include <linux/file.h> @@ -206,6 +208,59 @@ static int signalfd_copyinfo(struct signalfd_siginfo __user *uinfo, return err ? -EFAULT: sizeof(*uinfo); } +static ssize_t signalfd_dequeue(struct signalfd_ctx *ctx, siginfo_t *info, + int nonblock) +{ + ssize_t ret; + struct signalfd_lockctx lk; + DECLARE_WAITQUEUE(wait, current); + + if (!signalfd_lock(ctx, &lk)) + return 0; + + ret = dequeue_signal(lk.tsk, &ctx->sigmask, info); + switch (ret) { + case 0: + if (!nonblock) + break; + ret = -EAGAIN; + default: + signalfd_unlock(&lk); + return ret; + } + + add_wait_queue(&ctx->wqh, &wait); + for (;;) { + set_current_state(TASK_INTERRUPTIBLE); + ret = dequeue_signal(lk.tsk, &ctx->sigmask, info); + signalfd_unlock(&lk); + if (ret != 0) + break; + if (signal_pending(current)) { + ret = -ERESTARTSYS; + break; + } + schedule(); + ret = signalfd_lock(ctx, &lk); + if (unlikely(!ret)) { + /* + * Let the caller read zero byte, ala socket + * recv() when the peer disconnect. This test + * must be done before doing a dequeue_signal(), + * because if the sighand has been orphaned, + * the dequeue_signal() call is going to crash + * because ->sighand will be long gone. + */ + break; + } + } + + remove_wait_queue(&ctx->wqh, &wait); + __set_current_state(TASK_RUNNING); + + return ret; +} + /* * Returns either the size of a "struct signalfd_siginfo", or zero if the * sighand we are attached to, has been orphaned. The "count" parameter @@ -215,55 +270,30 @@ static ssize_t signalfd_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { struct signalfd_ctx *ctx = file->private_data; - ssize_t res = 0; - int locked, signo; + struct signalfd_siginfo __user *siginfo; + int nonblock = file->f_flags & O_NONBLOCK; + ssize_t ret, total = 0; siginfo_t info; - struct signalfd_lockctx lk; - DECLARE_WAITQUEUE(wait, current); - if (count < sizeof(struct signalfd_siginfo)) + count /= sizeof(struct signalfd_siginfo); + if (!count) return -EINVAL; - locked = signalfd_lock(ctx, &lk); - if (!locked) - return 0; - res = -EAGAIN; - signo = dequeue_signal(lk.tsk, &ctx->sigmask, &info); - if (signo == 0 && !(file->f_flags & O_NONBLOCK)) { - add_wait_queue(&ctx->wqh, &wait); - for (;;) { - set_current_state(TASK_INTERRUPTIBLE); - signo = dequeue_signal(lk.tsk, &ctx->sigmask, &info); - if (signo != 0) - break; - if (signal_pending(current)) { - res = -ERESTARTSYS; - break; - } - signalfd_unlock(&lk); - schedule(); - locked = signalfd_lock(ctx, &lk); - if (unlikely(!locked)) { - /* - * Let the caller read zero byte, ala socket - * recv() when the peer disconnect. This test - * must be done before doing a dequeue_signal(), - * because if the sighand has been orphaned, - * the dequeue_signal() call is going to crash. - */ - res = 0; - break; - } - } - remove_wait_queue(&ctx->wqh, &wait); - __set_current_state(TASK_RUNNING); - } - if (likely(locked)) - signalfd_unlock(&lk); - if (likely(signo)) - res = signalfd_copyinfo((struct signalfd_siginfo __user *) buf, - &info); - return res; + siginfo = (struct signalfd_siginfo __user *) buf; + + do { + ret = signalfd_dequeue(ctx, &info, nonblock); + if (unlikely(ret <= 0)) + break; + ret = signalfd_copyinfo(siginfo, &info); + if (ret < 0) + break; + siginfo++; + total += ret; + nonblock = 1; + } while (--count); + + return total ? total : ret; } static const struct file_operations signalfd_fops = { diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index 14fae1fa87df..7f30cce52857 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -35,7 +35,7 @@ struct bug_entry { #define WARN_ON(condition) ({ \ typeof(condition) __ret_warn_on = (condition); \ if (unlikely(__ret_warn_on)) { \ - printk("BUG: at %s:%d %s()\n", __FILE__, \ + printk("WARNING: at %s:%d %s()\n", __FILE__, \ __LINE__, __FUNCTION__); \ dump_stack(); \ } \ diff --git a/include/asm-i386/atomic.h b/include/asm-i386/atomic.h index 0baa2f89463c..437aac801711 100644 --- a/include/asm-i386/atomic.h +++ b/include/asm-i386/atomic.h @@ -182,7 +182,7 @@ static __inline__ int atomic_add_return(int i, atomic_t *v) int __i; #ifdef CONFIG_M386 unsigned long flags; - if(unlikely(boot_cpu_data.x86==3)) + if(unlikely(boot_cpu_data.x86 <= 3)) goto no_xadd; #endif /* Modern 486+ processor */ diff --git a/include/asm-i386/local.h b/include/asm-i386/local.h index e13d3e98823f..6e85975b9ed2 100644 --- a/include/asm-i386/local.h +++ b/include/asm-i386/local.h @@ -135,7 +135,7 @@ static __inline__ long local_add_return(long i, local_t *l) long __i; #ifdef CONFIG_M386 unsigned long flags; - if(unlikely(boot_cpu_data.x86==3)) + if(unlikely(boot_cpu_data.x86 <= 3)) goto no_xadd; #endif /* Modern 486+ processor */ diff --git a/include/asm-ia64/acpi.h b/include/asm-ia64/acpi.h index 5d03792d4f65..5b526357d178 100644 --- a/include/asm-ia64/acpi.h +++ b/include/asm-ia64/acpi.h @@ -30,6 +30,8 @@ #ifdef __KERNEL__ +#include <acpi/pdc_intel.h> + #include <linux/init.h> #include <linux/numa.h> #include <asm/system.h> @@ -119,11 +121,6 @@ extern int __devinitdata pxm_to_nid_map[MAX_PXM_DOMAINS]; extern int __initdata nid_to_pxm_map[MAX_NUMNODES]; #endif -/* - * Refer Intel ACPI _PDC support document for bit definitions - */ -#define ACPI_PDC_EST_CAPABILITY_SMP 0x8 - #endif /*__KERNEL__*/ #endif /*_ASM_ACPI_H*/ diff --git a/include/asm-ia64/unistd.h b/include/asm-ia64/unistd.h index d7781a2ddefe..441c9e001776 100644 --- a/include/asm-ia64/unistd.h +++ b/include/asm-ia64/unistd.h @@ -305,6 +305,19 @@ #define NR_syscalls 286 /* length of syscall table */ +/* + * The following defines stop scripts/checksyscalls.sh from complaining about + * unimplemented system calls. Glibc provides for each of these by using + * more modern equivalent system calls. + */ +#define __IGNORE_fork /* clone() */ +#define __IGNORE_time /* gettimeofday() */ +#define __IGNORE_alarm /* setitimer(ITIMER_REAL, ... */ +#define __IGNORE_pause /* rt_sigprocmask(), rt_sigsuspend() */ +#define __IGNORE_utime /* utimes() */ +#define __IGNORE_getpgrp /* getpgid() */ +#define __IGNORE_vfork /* clone() */ + #define __ARCH_WANT_SYS_RT_SIGACTION #define __ARCH_WANT_SYS_RT_SIGSUSPEND diff --git a/include/asm-sh/dreamcast/sysasic.h b/include/asm-sh/dreamcast/sysasic.h index 7874e3dac736..f33426608a87 100644 --- a/include/asm-sh/dreamcast/sysasic.h +++ b/include/asm-sh/dreamcast/sysasic.h @@ -23,7 +23,7 @@ takes. */ -#define HW_EVENT_IRQ_BASE OFFCHIP_IRQ_BASE /* 48 */ +#define HW_EVENT_IRQ_BASE 48 /* IRQ 13 */ #define HW_EVENT_VSYNC (HW_EVENT_IRQ_BASE + 5) /* VSync */ diff --git a/include/asm-sh/kdebug.h b/include/asm-sh/kdebug.h index 16578b7c9da1..382cfc7deb73 100644 --- a/include/asm-sh/kdebug.h +++ b/include/asm-sh/kdebug.h @@ -6,10 +6,6 @@ /* Grossly misnamed. */ enum die_val { DIE_TRAP, - DIE_PAGE_FAULT, }; -int register_page_fault_notifier(struct notifier_block *nb); -int unregister_page_fault_notifier(struct notifier_block *nb); - #endif /* __ASM_SH_KDEBUG_H */ diff --git a/include/asm-sh/landisk/gio.h b/include/asm-sh/landisk/gio.h index 3fce4c451a46..35d7368b718a 100644 --- a/include/asm-sh/landisk/gio.h +++ b/include/asm-sh/landisk/gio.h @@ -29,16 +29,8 @@ #define GIODRV_IOCGGIODATA4 _IOR(GIODRV_IOC_MAGIC, 6, unsigned long *) #define GIODRV_IOCSGIOSETADDR _IOW(GIODRV_IOC_MAGIC, 7, unsigned long *) #define GIODRV_IOCHARDRESET _IO(GIODRV_IOC_MAGIC, 8) /* debugging tool */ - -#define GIODRV_IOCSGIO_LED _IOW(GIODRV_IOC_MAGIC, 9, unsigned long *) -#define GIODRV_IOCGGIO_LED _IOR(GIODRV_IOC_MAGIC, 10, unsigned long *) -#define GIODRV_IOCSGIO_BUZZER _IOW(GIODRV_IOC_MAGIC, 11, unsigned long *) -#define GIODRV_IOCGGIO_LANDISK _IOR(GIODRV_IOC_MAGIC, 14, unsigned long *) -#define GIODRV_IOCGGIO_BTN _IOR(GIODRV_IOC_MAGIC, 22, unsigned long *) -#define GIODRV_IOCSGIO_BTNPID _IOW(GIODRV_IOC_MAGIC, 23, unsigned long *) -#define GIODRV_IOCGGIO_BTNPID _IOR(GIODRV_IOC_MAGIC, 24, unsigned long *) - #define GIODRV_IOC_MAXNR 8 + #define GIO_READ 0x00000000 #define GIO_WRITE 0x00000001 diff --git a/include/asm-sh/landisk/iodata_landisk.h b/include/asm-sh/landisk/iodata_landisk.h index c74d3c73f377..6fb04ab38b9f 100644 --- a/include/asm-sh/landisk/iodata_landisk.h +++ b/include/asm-sh/landisk/iodata_landisk.h @@ -22,16 +22,6 @@ /* 2003.10.31 I-O DATA NSD NWG add. for shutdown port clear */ #define PA_PWRINT_CLR 0xb0000006 /* Shutdown Interrupt clear Register */ -#define PA_LCD_CLRDSP 0x00 /* LCD Clear Display Offset */ -#define PA_LCD_RTNHOME 0x00 /* LCD Return Home Offset */ -#define PA_LCD_ENTMODE 0x00 /* LCD Entry Mode Offset */ -#define PA_LCD_DSPCTL 0x00 /* LCD Display ON/OFF Control Offset */ -#define PA_LCD_FUNC 0x00 /* LCD Function Set Offset */ -#define PA_LCD_CGRAM 0x00 /* LCD Set CGRAM Address Offset */ -#define PA_LCD_DDRAM 0x00 /* LCD Set DDRAM Address Offset */ -#define PA_LCD_RDFLAG 0x01 /* LCD Read Busy Flag Offset */ -#define PA_LCD_WTDATA 0x02 /* LCD Write Datat to RAM Offset */ -#define PA_LCD_RDDATA 0x03 /* LCD Read Data from RAM Offset */ #define PA_PIDE_OFFSET 0x40 /* CF IDE Offset */ #define PA_SIDE_OFFSET 0x40 /* HDD IDE Offset */ @@ -45,33 +35,6 @@ #define IRQ_BUTTON 12 /* USL-5P Button IRQ */ #define IRQ_FAULT 13 /* USL-5P Fault IRQ */ -#define SHUTDOWN_BTN_MAJOR 99 /* Shutdown button device major no. */ - -#define SHUTDOWN_LOOP_CNT 5 /* Shutdown button Detection loop */ -#define SHUTDOWN_DELAY 200 /* Shutdown button delay value(ms) */ - - -/* added by kogiidena */ -/* - * landisk_ledparam - * - * led ------10 -6543210 -6543210 -6543210 - * |000000..|0.......|0.......|U.......| - * | HARD |fastblik| blink | on | - * - * led0: power U:update flag - * led1: error - * led2: usb1 - * led3: usb2 - * led4: usb3 - * led5: usb4 - * led6: usb5 - * - */ -extern int landisk_ledparam; /* from setup.c */ -extern int landisk_buzzerparam; /* from setup.c */ -extern int landisk_arch; /* from setup.c */ - #define __IO_PREFIX landisk #include <asm/io_generic.h> diff --git a/include/asm-sh/unistd.h b/include/asm-sh/unistd.h index af71e379a5ee..77bcb09d6ac8 100644 --- a/include/asm-sh/unistd.h +++ b/include/asm-sh/unistd.h @@ -329,8 +329,11 @@ #define __NR_getcpu 318 #define __NR_epoll_pwait 319 #define __NR_utimensat 320 +#define __NR_signalfd 321 +#define __NR_timerfd 322 +#define __NR_eventfd 323 -#define NR_syscalls 321 +#define NR_syscalls 324 #ifdef __KERNEL__ diff --git a/include/linux/capability.h b/include/linux/capability.h index 6548b35ab9f6..bbf8df7de28f 100644 --- a/include/linux/capability.h +++ b/include/linux/capability.h @@ -16,6 +16,8 @@ #include <linux/types.h> #include <linux/compiler.h> +struct task_struct; + /* User-level do most of the mapping between kernel and user capabilities based on the version tag given by the kernel. The kernel might be somewhat backwards compatible, but don't bet on diff --git a/include/linux/freezer.h b/include/linux/freezer.h index 5e75e26d4787..4631086f5060 100644 --- a/include/linux/freezer.h +++ b/include/linux/freezer.h @@ -37,25 +37,25 @@ static inline void do_not_freeze(struct task_struct *p) /* * Wake up a frozen process + * + * task_lock() is taken to prevent the race with refrigerator() which may + * occur if the freezing of tasks fails. Namely, without the lock, if the + * freezing of tasks failed, thaw_tasks() might have run before a task in + * refrigerator() could call frozen_process(), in which case the task would be + * frozen and no one would thaw it. */ static inline int thaw_process(struct task_struct *p) { + task_lock(p); if (frozen(p)) { p->flags &= ~PF_FROZEN; + task_unlock(p); wake_up_process(p); return 1; } - return 0; -} - -/* - * freezing is complete, mark process as frozen - */ -static inline void frozen_process(struct task_struct *p) -{ - p->flags |= PF_FROZEN; - wmb(); clear_tsk_thread_flag(p, TIF_FREEZE); + task_unlock(p); + return 0; } extern void refrigerator(void); @@ -71,14 +71,55 @@ static inline int try_to_freeze(void) return 0; } -extern void thaw_some_processes(int all); +/* + * The PF_FREEZER_SKIP flag should be set by a vfork parent right before it + * calls wait_for_completion(&vfork) and reset right after it returns from this + * function. Next, the parent should call try_to_freeze() to freeze itself + * appropriately in case the child has exited before the freezing of tasks is + * complete. However, we don't want kernel threads to be frozen in unexpected + * places, so we allow them to block freeze_processes() instead or to set + * PF_NOFREEZE if needed and PF_FREEZER_SKIP is only set for userland vfork + * parents. Fortunately, in the ____call_usermodehelper() case the parent won't + * really block freeze_processes(), since ____call_usermodehelper() (the child) + * does a little before exec/exit and it can't be frozen before waking up the + * parent. + */ + +/* + * If the current task is a user space one, tell the freezer not to count it as + * freezable. + */ +static inline void freezer_do_not_count(void) +{ + if (current->mm) + current->flags |= PF_FREEZER_SKIP; +} + +/* + * If the current task is a user space one, tell the freezer to count it as + * freezable again and try to freeze it. + */ +static inline void freezer_count(void) +{ + if (current->mm) { + current->flags &= ~PF_FREEZER_SKIP; + try_to_freeze(); + } +} + +/* + * Check if the task should be counted as freezeable by the freezer + */ +static inline int freezer_should_skip(struct task_struct *p) +{ + return !!(p->flags & PF_FREEZER_SKIP); +} #else static inline int frozen(struct task_struct *p) { return 0; } static inline int freezing(struct task_struct *p) { return 0; } static inline void freeze(struct task_struct *p) { BUG(); } static inline int thaw_process(struct task_struct *p) { return 1; } -static inline void frozen_process(struct task_struct *p) { BUG(); } static inline void refrigerator(void) {} static inline int freeze_processes(void) { BUG(); return 0; } @@ -86,5 +127,7 @@ static inline void thaw_processes(void) {} static inline int try_to_freeze(void) { return 0; } - +static inline void freezer_do_not_count(void) {} +static inline void freezer_count(void) {} +static inline int freezer_should_skip(struct task_struct *p) { return 0; } #endif diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 4c03ee353e78..9756fc102a83 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -66,6 +66,7 @@ struct partition { #include <linux/smp.h> #include <linux/string.h> #include <linux/fs.h> +#include <linux/workqueue.h> struct partition { unsigned char boot_ind; /* 0x80 - active */ @@ -94,6 +95,7 @@ struct hd_struct { #define GENHD_FL_REMOVABLE 1 #define GENHD_FL_DRIVERFS 2 +#define GENHD_FL_MEDIA_CHANGE_NOTIFY 4 #define GENHD_FL_CD 8 #define GENHD_FL_UP 16 #define GENHD_FL_SUPPRESS_PARTITION_INFO 32 @@ -138,6 +140,7 @@ struct gendisk { #else struct disk_stats dkstats; #endif + struct work_struct async_notify; }; /* Structure for sysfs attributes on block devices */ @@ -419,7 +422,7 @@ extern struct gendisk *alloc_disk_node(int minors, int node_id); extern struct gendisk *alloc_disk(int minors); extern struct kobject *get_disk(struct gendisk *disk); extern void put_disk(struct gendisk *disk); - +extern void genhd_media_change_notify(struct gendisk *disk); extern void blk_register_region(dev_t dev, unsigned long range, struct module *module, struct kobject *(*probe)(dev_t, int *, void *), diff --git a/include/linux/netfilter/nf_conntrack_ftp.h b/include/linux/netfilter/nf_conntrack_ftp.h index 81453ea7e4c2..b7c360ffd0d0 100644 --- a/include/linux/netfilter/nf_conntrack_ftp.h +++ b/include/linux/netfilter/nf_conntrack_ftp.h @@ -37,8 +37,7 @@ extern unsigned int (*nf_nat_ftp_hook)(struct sk_buff **pskb, enum nf_ct_ftp_type type, unsigned int matchoff, unsigned int matchlen, - struct nf_conntrack_expect *exp, - u32 *seq); + struct nf_conntrack_expect *exp); #endif /* __KERNEL__ */ #endif /* _NF_CONNTRACK_FTP_H */ diff --git a/include/linux/netfilter/nf_conntrack_h323_types.h b/include/linux/netfilter/nf_conntrack_h323_types.h index 38d74d5c9700..f35b6b4801e7 100644 --- a/include/linux/netfilter/nf_conntrack_h323_types.h +++ b/include/linux/netfilter/nf_conntrack_h323_types.h @@ -1,4 +1,4 @@ -/* Generated by Jing Min Zhao's ASN.1 parser, Apr 20 2006 +/* Generated by Jing Min Zhao's ASN.1 parser, May 16 2007 * * Copyright (c) 2006 Jing Min Zhao <zhaojingmin@users.sourceforge.net> * @@ -12,7 +12,7 @@ typedef struct TransportAddress_ipAddress { /* SEQUENCE */ typedef struct TransportAddress_ip6Address { /* SEQUENCE */ int options; /* No use */ - unsigned ip6; + unsigned ip; } TransportAddress_ip6Address; typedef struct TransportAddress { /* CHOICE */ @@ -364,23 +364,6 @@ typedef struct Alerting_UUIE { /* SEQUENCE */ Alerting_UUIE_fastStart fastStart; } Alerting_UUIE; -typedef struct Information_UUIE_fastStart { /* SEQUENCE OF */ - int count; - OpenLogicalChannel item[30]; -} Information_UUIE_fastStart; - -typedef struct Information_UUIE { /* SEQUENCE */ - enum { - eInformation_UUIE_callIdentifier = (1 << 31), - eInformation_UUIE_tokens = (1 << 30), - eInformation_UUIE_cryptoTokens = (1 << 29), - eInformation_UUIE_fastStart = (1 << 28), - eInformation_UUIE_fastConnectRefused = (1 << 27), - eInformation_UUIE_circuitInfo = (1 << 26), - } options; - Information_UUIE_fastStart fastStart; -} Information_UUIE; - typedef struct FacilityReason { /* CHOICE */ enum { eFacilityReason_routeCallToGatekeeper, @@ -471,7 +454,6 @@ typedef struct H323_UU_PDU_h323_message_body { /* CHOICE */ CallProceeding_UUIE callProceeding; Connect_UUIE connect; Alerting_UUIE alerting; - Information_UUIE information; Facility_UUIE facility; Progress_UUIE progress; }; @@ -561,6 +543,7 @@ typedef struct OpenLogicalChannelAck { /* SEQUENCE */ } options; OpenLogicalChannelAck_reverseLogicalChannelParameters reverseLogicalChannelParameters; + NetworkAccessParameters separateStack; OpenLogicalChannelAck_forwardMultiplexAckParameters forwardMultiplexAckParameters; } OpenLogicalChannelAck; diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h index 41afab6b5f09..bd193af80162 100644 --- a/include/linux/nfs_page.h +++ b/include/linux/nfs_page.h @@ -81,6 +81,7 @@ extern void nfs_pageio_init(struct nfs_pageio_descriptor *desc, extern int nfs_pageio_add_request(struct nfs_pageio_descriptor *, struct nfs_page *); extern void nfs_pageio_complete(struct nfs_pageio_descriptor *desc); +extern void nfs_pageio_cond_complete(struct nfs_pageio_descriptor *, pgoff_t); extern int nfs_wait_on_request(struct nfs_page *); extern void nfs_unlock_request(struct nfs_page *req); extern int nfs_set_page_writeback_locked(struct nfs_page *req); diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 62b3e008e641..4712e269d8d3 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -371,6 +371,7 @@ #define PCI_DEVICE_ID_ATI_IXP600_SMBUS 0x4385 #define PCI_DEVICE_ID_ATI_IXP600_IDE 0x438c #define PCI_DEVICE_ID_ATI_IXP700_SATA 0x4390 +#define PCI_DEVICE_ID_ATI_IXP700_IDE 0x439c #define PCI_VENDOR_ID_VLSI 0x1004 #define PCI_DEVICE_ID_VLSI_82C592 0x0005 diff --git a/include/linux/raid/bitmap.h b/include/linux/raid/bitmap.h index 6db9a4c15355..dd5a05d03d4f 100644 --- a/include/linux/raid/bitmap.h +++ b/include/linux/raid/bitmap.h @@ -232,6 +232,7 @@ struct bitmap { struct page **filemap; /* list of cache pages for the file */ unsigned long *filemap_attr; /* attributes associated w/ filemap pages */ unsigned long file_pages; /* number of pages in the file */ + int last_page_size; /* bytes in the last page */ unsigned long flags; diff --git a/include/linux/sched.h b/include/linux/sched.h index a81897e2a244..d58e74b98367 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1182,6 +1182,7 @@ static inline void put_task_struct(struct task_struct *t) #define PF_SPREAD_SLAB 0x02000000 /* Spread some slab caches over cpuset */ #define PF_MEMPOLICY 0x10000000 /* Non-default NUMA mempolicy */ #define PF_MUTEX_TESTER 0x20000000 /* Thread belongs to the rt mutex tester */ +#define PF_FREEZER_SKIP 0x40000000 /* Freezer should not count it as freezeable */ /* * Only the _current_ task can read/write to tsk->flags, but other @@ -1615,11 +1616,13 @@ static inline int lock_need_resched(spinlock_t *lock) return 0; } -/* Reevaluate whether the task has signals pending delivery. - This is required every time the blocked sigset_t changes. - callers must hold sighand->siglock. */ - -extern FASTCALL(void recalc_sigpending_tsk(struct task_struct *t)); +/* + * Reevaluate whether the task has signals pending delivery. + * Wake the task if so. + * This is required every time the blocked sigset_t changes. + * callers must hold sighand->siglock. + */ +extern void recalc_sigpending_and_wake(struct task_struct *t); extern void recalc_sigpending(void); extern void signal_wake_up(struct task_struct *t, int resume_stopped); diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index a25c2afa67e1..e7560389079c 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -267,8 +267,6 @@ struct v4l2_pix_format __u32 sizeimage; enum v4l2_colorspace colorspace; __u32 priv; /* private data, depends on pixelformat */ - __u32 left; /* only valid if V4L2_CAP_VIDEO_OUTPUT_POS is set */ - __u32 top; /* only valid if V4L2_CAP_VIDEO_OUTPUT_POS is set */ }; /* Pixel format FOURCC depth Description */ diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h index 8242a0ee1f58..87df4e87622d 100644 --- a/include/net/bluetooth/l2cap.h +++ b/include/net/bluetooth/l2cap.h @@ -129,8 +129,10 @@ struct l2cap_conf_rsp { __u8 data[0]; } __attribute__ ((packed)); -#define L2CAP_CONF_SUCCESS 0x00 -#define L2CAP_CONF_UNACCEPT 0x01 +#define L2CAP_CONF_SUCCESS 0x0000 +#define L2CAP_CONF_UNACCEPT 0x0001 +#define L2CAP_CONF_REJECT 0x0002 +#define L2CAP_CONF_UNKNOWN 0x0003 struct l2cap_conf_opt { __u8 type; @@ -215,6 +217,8 @@ struct l2cap_pinfo { __u32 link_mode; + __u8 conf_req[64]; + __u8 conf_len; __u8 conf_state; __u8 conf_retry; __u16 conf_mtu; diff --git a/include/net/dst.h b/include/net/dst.h index e12a8ce0b9b3..82270f9332db 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -265,9 +265,16 @@ static inline int xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl, { return 0; } +static inline int __xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl, + struct sock *sk, int flags) +{ + return 0; +} #else extern int xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl, struct sock *sk, int flags); +extern int __xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl, + struct sock *sk, int flags); #endif #endif diff --git a/include/net/ipv6.h b/include/net/ipv6.h index 4fa5dfe886c4..78a0d06d98d5 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -469,6 +469,9 @@ extern void ip6_flush_pending_frames(struct sock *sk); extern int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi *fl); +extern int ip6_dst_blackhole(struct sock *sk, + struct dst_entry **dst, + struct flowi *fl); extern int ip6_sk_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi *fl); diff --git a/kernel/exit.c b/kernel/exit.c index c6d14b8008dd..5b888c24e43e 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -762,11 +762,8 @@ static void exit_notify(struct task_struct *tsk) read_lock(&tasklist_lock); spin_lock_irq(&tsk->sighand->siglock); for (t = next_thread(tsk); t != tsk; t = next_thread(t)) - if (!signal_pending(t) && !(t->flags & PF_EXITING)) { - recalc_sigpending_tsk(t); - if (signal_pending(t)) - signal_wake_up(t, 0); - } + if (!signal_pending(t) && !(t->flags & PF_EXITING)) + recalc_sigpending_and_wake(t); spin_unlock_irq(&tsk->sighand->siglock); read_unlock(&tasklist_lock); } diff --git a/kernel/fork.c b/kernel/fork.c index 87069cfc18a1..73ad5cda1bcd 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -45,6 +45,7 @@ #include <linux/acct.h> #include <linux/tsacct_kern.h> #include <linux/cn_proc.h> +#include <linux/freezer.h> #include <linux/delayacct.h> #include <linux/taskstats_kern.h> #include <linux/random.h> @@ -1405,7 +1406,9 @@ long do_fork(unsigned long clone_flags, } if (clone_flags & CLONE_VFORK) { + freezer_do_not_count(); wait_for_completion(&vfork); + freezer_count(); if (unlikely (current->ptrace & PT_TRACE_VFORK_DONE)) { current->ptrace_message = nr; ptrace_notify ((PTRACE_EVENT_VFORK_DONE << 8) | SIGTRAP); diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c index b0d81aae472f..bd9e272d55e9 100644 --- a/kernel/irq/spurious.c +++ b/kernel/irq/spurious.c @@ -135,6 +135,39 @@ report_bad_irq(unsigned int irq, struct irq_desc *desc, irqreturn_t action_ret) } } +static inline int try_misrouted_irq(unsigned int irq, struct irq_desc *desc, irqreturn_t action_ret) +{ + struct irqaction *action; + + if (!irqfixup) + return 0; + + /* We didn't actually handle the IRQ - see if it was misrouted? */ + if (action_ret == IRQ_NONE) + return 1; + + /* + * But for 'irqfixup == 2' we also do it for handled interrupts if + * they are marked as IRQF_IRQPOLL (or for irq zero, which is the + * traditional PC timer interrupt.. Legacy) + */ + if (irqfixup < 2) + return 0; + + if (!irq) + return 1; + + /* + * Since we don't get the descriptor lock, "action" can + * change under us. We don't really care, but we don't + * want to follow a NULL pointer. So tell the compiler to + * just load it once by using a barrier. + */ + action = desc->action; + barrier(); + return action && (action->flags & IRQF_IRQPOLL); +} + void note_interrupt(unsigned int irq, struct irq_desc *desc, irqreturn_t action_ret) { @@ -144,15 +177,10 @@ void note_interrupt(unsigned int irq, struct irq_desc *desc, report_bad_irq(irq, desc, action_ret); } - if (unlikely(irqfixup)) { - /* Don't punish working computers */ - if ((irqfixup == 2 && ((irq == 0) || - (desc->action->flags & IRQF_IRQPOLL))) || - action_ret == IRQ_NONE) { - int ok = misrouted_irq(irq); - if (action_ret == IRQ_NONE) - desc->irqs_unhandled -= ok; - } + if (unlikely(try_misrouted_irq(irq, desc, action_ret))) { + int ok = misrouted_irq(irq); + if (action_ret == IRQ_NONE) + desc->irqs_unhandled -= ok; } desc->irq_count++; diff --git a/kernel/kthread.c b/kernel/kthread.c index df8a8e8f6ca4..bbd51b81a3e8 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -70,7 +70,7 @@ static int kthread(void *_create) data = create->data; /* OK, tell user we're spawned, wait for stop or wakeup */ - __set_current_state(TASK_INTERRUPTIBLE); + __set_current_state(TASK_UNINTERRUPTIBLE); complete(&create->started); schedule(); @@ -162,7 +162,10 @@ EXPORT_SYMBOL(kthread_create); */ void kthread_bind(struct task_struct *k, unsigned int cpu) { - BUG_ON(k->state != TASK_INTERRUPTIBLE); + if (k->state != TASK_UNINTERRUPTIBLE) { + WARN_ON(1); + return; + } /* Must have done schedule() in kthread() before we set_task_cpu */ wait_task_inactive(k); set_task_cpu(k, cpu); diff --git a/kernel/power/process.c b/kernel/power/process.c index 088419387388..e0233d8422b9 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c @@ -31,16 +31,36 @@ static inline int freezeable(struct task_struct * p) return 1; } +/* + * freezing is complete, mark current process as frozen + */ +static inline void frozen_process(void) +{ + if (!unlikely(current->flags & PF_NOFREEZE)) { + current->flags |= PF_FROZEN; + wmb(); + } + clear_tsk_thread_flag(current, TIF_FREEZE); +} + /* Refrigerator is place where frozen processes are stored :-). */ void refrigerator(void) { /* Hmm, should we be allowed to suspend when there are realtime processes around? */ long save; + + task_lock(current); + if (freezing(current)) { + frozen_process(); + task_unlock(current); + } else { + task_unlock(current); + return; + } save = current->state; pr_debug("%s entered refrigerator\n", current->comm); - frozen_process(current); spin_lock_irq(¤t->sighand->siglock); recalc_sigpending(); /* We sent fake signal, clean it up */ spin_unlock_irq(¤t->sighand->siglock); @@ -81,7 +101,7 @@ static void cancel_freezing(struct task_struct *p) pr_debug(" clean up: %s\n", p->comm); do_not_freeze(p); spin_lock_irqsave(&p->sighand->siglock, flags); - recalc_sigpending_tsk(p); + recalc_sigpending_and_wake(p); spin_unlock_irqrestore(&p->sighand->siglock, flags); } } @@ -112,22 +132,12 @@ static unsigned int try_to_freeze_tasks(int freeze_user_space) cancel_freezing(p); continue; } - if (is_user_space(p)) { - if (!freeze_user_space) - continue; - - /* Freeze the task unless there is a vfork - * completion pending - */ - if (!p->vfork_done) - freeze_process(p); - } else { - if (freeze_user_space) - continue; - - freeze_process(p); - } - todo++; + if (freeze_user_space && !is_user_space(p)) + continue; + + freeze_process(p); + if (!freezer_should_skip(p)) + todo++; } while_each_thread(g, p); read_unlock(&tasklist_lock); yield(); /* Yield is okay here */ @@ -149,13 +159,16 @@ static unsigned int try_to_freeze_tasks(int freeze_user_space) TIMEOUT / HZ, todo); read_lock(&tasklist_lock); do_each_thread(g, p) { - if (is_user_space(p) == !freeze_user_space) + if (freeze_user_space && !is_user_space(p)) continue; - if (freezeable(p) && !frozen(p)) + task_lock(p); + if (freezeable(p) && !frozen(p) && + !freezer_should_skip(p)) printk(KERN_ERR " %s\n", p->comm); cancel_freezing(p); + task_unlock(p); } while_each_thread(g, p); read_unlock(&tasklist_lock); } @@ -200,9 +213,7 @@ static void thaw_tasks(int thaw_user_space) if (is_user_space(p) == !thaw_user_space) continue; - if (!thaw_process(p)) - printk(KERN_WARNING " Strange, %s not stopped\n", - p->comm ); + thaw_process(p); } while_each_thread(g, p); read_unlock(&tasklist_lock); } diff --git a/kernel/power/swap.c b/kernel/power/swap.c index b8b235cc19d1..8b1a1b837145 100644 --- a/kernel/power/swap.c +++ b/kernel/power/swap.c @@ -584,7 +584,7 @@ int swsusp_check(void) resume_bdev = open_by_devnum(swsusp_resume_device, FMODE_READ); if (!IS_ERR(resume_bdev)) { set_blocksize(resume_bdev, PAGE_SIZE); - memset(swsusp_header, 0, sizeof(PAGE_SIZE)); + memset(swsusp_header, 0, PAGE_SIZE); error = bio_read_page(swsusp_resume_block, swsusp_header, NULL); if (error) diff --git a/kernel/sched.c b/kernel/sched.c index 799d23b4e35d..13cdab3b4c48 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -4775,9 +4775,7 @@ int __sched cond_resched_softirq(void) BUG_ON(!in_softirq()); if (need_resched() && system_state == SYSTEM_RUNNING) { - raw_local_irq_disable(); - _local_bh_enable(); - raw_local_irq_enable(); + local_bh_enable(); __cond_resched(); local_bh_disable(); return 1; diff --git a/kernel/signal.c b/kernel/signal.c index 364fc95bf97c..acdfc0549c6f 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -96,15 +96,27 @@ static inline int has_pending_signals(sigset_t *signal, sigset_t *blocked) #define PENDING(p,b) has_pending_signals(&(p)->signal, (b)) -fastcall void recalc_sigpending_tsk(struct task_struct *t) +static int recalc_sigpending_tsk(struct task_struct *t) { if (t->signal->group_stop_count > 0 || (freezing(t)) || PENDING(&t->pending, &t->blocked) || - PENDING(&t->signal->shared_pending, &t->blocked)) + PENDING(&t->signal->shared_pending, &t->blocked)) { set_tsk_thread_flag(t, TIF_SIGPENDING); - else - clear_tsk_thread_flag(t, TIF_SIGPENDING); + return 1; + } + clear_tsk_thread_flag(t, TIF_SIGPENDING); + return 0; +} + +/* + * After recalculating TIF_SIGPENDING, we need to make sure the task wakes up. + * This is superfluous when called on current, the wakeup is a harmless no-op. + */ +void recalc_sigpending_and_wake(struct task_struct *t) +{ + if (recalc_sigpending_tsk(t)) + signal_wake_up(t, 0); } void recalc_sigpending(void) @@ -744,7 +756,7 @@ force_sig_info(int sig, struct siginfo *info, struct task_struct *t) action->sa.sa_handler = SIG_DFL; if (blocked) { sigdelset(&t->blocked, sig); - recalc_sigpending_tsk(t); + recalc_sigpending_and_wake(t); } } ret = specific_send_sig_info(sig, info, t); @@ -2273,7 +2285,7 @@ int do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact) rm_from_queue_full(&mask, &t->signal->shared_pending); do { rm_from_queue_full(&mask, &t->pending); - recalc_sigpending_tsk(t); + recalc_sigpending_and_wake(t); t = next_thread(t); } while (t != current); } diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c index eadfce2fff74..8001d37071f5 100644 --- a/kernel/time/tick-broadcast.c +++ b/kernel/time/tick-broadcast.c @@ -243,11 +243,18 @@ void tick_broadcast_on_off(unsigned long reason, int *oncpu) { int cpu = get_cpu(); - if (cpu == *oncpu) - tick_do_broadcast_on_off(&reason); - else - smp_call_function_single(*oncpu, tick_do_broadcast_on_off, - &reason, 1, 1); + if (!cpu_isset(*oncpu, cpu_online_map)) { + printk(KERN_ERR "tick-braodcast: ignoring broadcast for " + "offline CPU #%d\n", *oncpu); + } else { + + if (cpu == *oncpu) + tick_do_broadcast_on_off(&reason); + else + smp_call_function_single(*oncpu, + tick_do_broadcast_on_off, + &reason, 1, 1); + } put_cpu(); } diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 3483e6cb9549..3e7ebc4646b7 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -167,9 +167,15 @@ void tick_nohz_stop_sched_tick(void) goto end; cpu = smp_processor_id(); - if (unlikely(local_softirq_pending())) - printk(KERN_ERR "NOHZ: local_softirq_pending %02x\n", - local_softirq_pending()); + if (unlikely(local_softirq_pending())) { + static int ratelimit; + + if (ratelimit < 10) { + printk(KERN_ERR "NOHZ: local_softirq_pending %02x\n", + local_softirq_pending()); + ratelimit++; + } + } now = ktime_get(); /* diff --git a/kernel/workqueue.c b/kernel/workqueue.c index fb56fedd5c02..3bebf73be976 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -47,7 +47,6 @@ struct cpu_workqueue_struct { struct workqueue_struct *wq; struct task_struct *thread; - int should_stop; int run_depth; /* Detect run_workqueue() recursion depth */ } ____cacheline_aligned; @@ -71,7 +70,13 @@ static LIST_HEAD(workqueues); static int singlethread_cpu __read_mostly; static cpumask_t cpu_singlethread_map __read_mostly; -/* optimization, we could use cpu_possible_map */ +/* + * _cpu_down() first removes CPU from cpu_online_map, then CPU_DEAD + * flushes cwq->worklist. This means that flush_workqueue/wait_on_work + * which comes in between can't use for_each_online_cpu(). We could + * use cpu_possible_map, the cpumask below is more a documentation + * than optimization. + */ static cpumask_t cpu_populated_map __read_mostly; /* If it's single threaded, it isn't in the list of workqueues. */ @@ -272,24 +277,6 @@ static void run_workqueue(struct cpu_workqueue_struct *cwq) spin_unlock_irq(&cwq->lock); } -/* - * NOTE: the caller must not touch *cwq if this func returns true - */ -static int cwq_should_stop(struct cpu_workqueue_struct *cwq) -{ - int should_stop = cwq->should_stop; - - if (unlikely(should_stop)) { - spin_lock_irq(&cwq->lock); - should_stop = cwq->should_stop && list_empty(&cwq->worklist); - if (should_stop) - cwq->thread = NULL; - spin_unlock_irq(&cwq->lock); - } - - return should_stop; -} - static int worker_thread(void *__cwq) { struct cpu_workqueue_struct *cwq = __cwq; @@ -302,14 +289,15 @@ static int worker_thread(void *__cwq) for (;;) { prepare_to_wait(&cwq->more_work, &wait, TASK_INTERRUPTIBLE); - if (!freezing(current) && !cwq->should_stop - && list_empty(&cwq->worklist)) + if (!freezing(current) && + !kthread_should_stop() && + list_empty(&cwq->worklist)) schedule(); finish_wait(&cwq->more_work, &wait); try_to_freeze(); - if (cwq_should_stop(cwq)) + if (kthread_should_stop()) break; run_workqueue(cwq); @@ -340,18 +328,21 @@ static void insert_wq_barrier(struct cpu_workqueue_struct *cwq, insert_work(cwq, &barr->work, tail); } -static void flush_cpu_workqueue(struct cpu_workqueue_struct *cwq) +static int flush_cpu_workqueue(struct cpu_workqueue_struct *cwq) { + int active; + if (cwq->thread == current) { /* * Probably keventd trying to flush its own queue. So simply run * it by hand rather than deadlocking. */ run_workqueue(cwq); + active = 1; } else { struct wq_barrier barr; - int active = 0; + active = 0; spin_lock_irq(&cwq->lock); if (!list_empty(&cwq->worklist) || cwq->current_work != NULL) { insert_wq_barrier(cwq, &barr, 1); @@ -362,6 +353,8 @@ static void flush_cpu_workqueue(struct cpu_workqueue_struct *cwq) if (active) wait_for_completion(&barr.done); } + + return active; } /** @@ -674,7 +667,6 @@ static int create_workqueue_thread(struct cpu_workqueue_struct *cwq, int cpu) return PTR_ERR(p); cwq->thread = p; - cwq->should_stop = 0; return 0; } @@ -740,29 +732,27 @@ EXPORT_SYMBOL_GPL(__create_workqueue); static void cleanup_workqueue_thread(struct cpu_workqueue_struct *cwq, int cpu) { - struct wq_barrier barr; - int alive = 0; - - spin_lock_irq(&cwq->lock); - if (cwq->thread != NULL) { - insert_wq_barrier(cwq, &barr, 1); - cwq->should_stop = 1; - alive = 1; - } - spin_unlock_irq(&cwq->lock); + /* + * Our caller is either destroy_workqueue() or CPU_DEAD, + * workqueue_mutex protects cwq->thread + */ + if (cwq->thread == NULL) + return; - if (alive) { - wait_for_completion(&barr.done); + /* + * If the caller is CPU_DEAD the single flush_cpu_workqueue() + * is not enough, a concurrent flush_workqueue() can insert a + * barrier after us. + * When ->worklist becomes empty it is safe to exit because no + * more work_structs can be queued on this cwq: flush_workqueue + * checks list_empty(), and a "normal" queue_work() can't use + * a dead CPU. + */ + while (flush_cpu_workqueue(cwq)) + ; - while (unlikely(cwq->thread != NULL)) - cpu_relax(); - /* - * Wait until cwq->thread unlocks cwq->lock, - * it won't touch *cwq after that. - */ - smp_rmb(); - spin_unlock_wait(&cwq->lock); - } + kthread_stop(cwq->thread); + cwq->thread = NULL; } /** diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index fbc5c622acb0..1ba77ca7d165 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -378,14 +378,13 @@ config FORCED_INLINING config RCU_TORTURE_TEST tristate "torture tests for RCU" depends on DEBUG_KERNEL + depends on m default n help This option provides a kernel module that runs torture tests on the RCU infrastructure. The kernel module may be built after the fact on the running kernel to be tested, if desired. - Say Y here if you want RCU torture tests to start automatically - at boot time (you probably don't). Say M if you want the RCU torture tests to build as a module. Say N if you are unsure. diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 8b000d6803c2..d8970623c566 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -136,6 +136,11 @@ static unsigned long __meminitdata dma_reserve; #endif /* CONFIG_MEMORY_HOTPLUG_RESERVE */ #endif /* CONFIG_ARCH_POPULATES_NODE_MAP */ +#if MAX_NUMNODES > 1 +int nr_node_ids __read_mostly = MAX_NUMNODES; +EXPORT_SYMBOL(nr_node_ids); +#endif + #ifdef CONFIG_DEBUG_VM static int page_outside_zone_boundaries(struct zone *zone, struct page *page) { @@ -669,26 +674,6 @@ static int rmqueue_bulk(struct zone *zone, unsigned int order, return i; } -#if MAX_NUMNODES > 1 -int nr_node_ids __read_mostly = MAX_NUMNODES; -EXPORT_SYMBOL(nr_node_ids); - -/* - * Figure out the number of possible node ids. - */ -static void __init setup_nr_node_ids(void) -{ - unsigned int node; - unsigned int highest = 0; - - for_each_node_mask(node, node_possible_map) - highest = node; - nr_node_ids = highest + 1; -} -#else -static void __init setup_nr_node_ids(void) {} -#endif - #ifdef CONFIG_NUMA /* * Called from the vmstat counter updater to drain pagesets of this @@ -2733,6 +2718,26 @@ void __meminit free_area_init_node(int nid, struct pglist_data *pgdat, } #ifdef CONFIG_ARCH_POPULATES_NODE_MAP + +#if MAX_NUMNODES > 1 +/* + * Figure out the number of possible node ids. + */ +static void __init setup_nr_node_ids(void) +{ + unsigned int node; + unsigned int highest = 0; + + for_each_node_mask(node, node_possible_map) + highest = node; + nr_node_ids = highest + 1; +} +#else +static inline void setup_nr_node_ids(void) +{ +} +#endif + /** * add_active_range - Register a range of PFNs backed by physical memory * @nid: The node ID the range resides on diff --git a/mm/slub.c b/mm/slub.c index 98801d404d69..3e5aefcb4075 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -939,7 +939,7 @@ static void kmem_cache_open_debug_check(struct kmem_cache *s) * Debugging or ctor may create a need to move the free * pointer. Fail if this happens. */ - if (s->size >= 65535 * sizeof(void *)) { + if (s->objsize >= 65535 * sizeof(void *)) { BUG_ON(s->flags & (SLAB_RED_ZONE | SLAB_POISON | SLAB_STORE_USER | SLAB_DESTROY_BY_RCU)); BUG_ON(s->ctor); @@ -1917,7 +1917,6 @@ static int calculate_sizes(struct kmem_cache *s) */ s->inuse = size; -#ifdef CONFIG_SLUB_DEBUG if (((flags & (SLAB_DESTROY_BY_RCU | SLAB_POISON)) || s->ctor)) { /* @@ -1932,6 +1931,7 @@ static int calculate_sizes(struct kmem_cache *s) size += sizeof(void *); } +#ifdef CONFIG_SLUB_DEBUG if (flags & SLAB_STORE_USER) /* * Need to store information about allocs and frees after diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c index a59b1fb63b76..670ff95ca64b 100644 --- a/net/bluetooth/l2cap.c +++ b/net/bluetooth/l2cap.c @@ -507,6 +507,7 @@ static void l2cap_sock_init(struct sock *sk, struct sock *parent) } /* Default config options */ + pi->conf_len = 0; pi->conf_mtu = L2CAP_DEFAULT_MTU; pi->flush_to = L2CAP_DEFAULT_FLUSH_TO; } @@ -1271,42 +1272,6 @@ static inline int l2cap_get_conf_opt(void **ptr, int *type, int *olen, unsigned return len; } -static inline void l2cap_parse_conf_req(struct sock *sk, void *data, int len) -{ - int type, hint, olen; - unsigned long val; - void *ptr = data; - - BT_DBG("sk %p len %d", sk, len); - - while (len >= L2CAP_CONF_OPT_SIZE) { - len -= l2cap_get_conf_opt(&ptr, &type, &olen, &val); - - hint = type & 0x80; - type &= 0x7f; - - switch (type) { - case L2CAP_CONF_MTU: - l2cap_pi(sk)->conf_mtu = val; - break; - - case L2CAP_CONF_FLUSH_TO: - l2cap_pi(sk)->flush_to = val; - break; - - case L2CAP_CONF_QOS: - break; - - default: - if (hint) - break; - - /* FIXME: Reject unknown option */ - break; - } - } -} - static void l2cap_add_conf_opt(void **ptr, u8 type, u8 len, unsigned long val) { struct l2cap_conf_opt *opt = *ptr; @@ -1358,39 +1323,75 @@ static int l2cap_build_conf_req(struct sock *sk, void *data) return ptr - data; } -static inline int l2cap_conf_output(struct sock *sk, void **ptr) +static int l2cap_parse_conf_req(struct sock *sk, void *data) { struct l2cap_pinfo *pi = l2cap_pi(sk); - int result = 0; + struct l2cap_conf_rsp *rsp = data; + void *ptr = rsp->data; + void *req = pi->conf_req; + int len = pi->conf_len; + int type, hint, olen; + unsigned long val; + u16 result = L2CAP_CONF_SUCCESS; - /* Configure output options and let the other side know - * which ones we don't like. */ - if (pi->conf_mtu < pi->omtu) - result = L2CAP_CONF_UNACCEPT; - else - pi->omtu = pi->conf_mtu; + BT_DBG("sk %p", sk); + + while (len >= L2CAP_CONF_OPT_SIZE) { + len -= l2cap_get_conf_opt(&req, &type, &olen, &val); - l2cap_add_conf_opt(ptr, L2CAP_CONF_MTU, 2, pi->omtu); + hint = type & 0x80; + type &= 0x7f; + + switch (type) { + case L2CAP_CONF_MTU: + pi->conf_mtu = val; + break; + + case L2CAP_CONF_FLUSH_TO: + pi->flush_to = val; + break; + + case L2CAP_CONF_QOS: + break; + + default: + if (hint) + break; + + result = L2CAP_CONF_UNKNOWN; + *((u8 *) ptr++) = type; + break; + } + } + + if (result == L2CAP_CONF_SUCCESS) { + /* Configure output options and let the other side know + * which ones we don't like. */ + + if (pi->conf_mtu < pi->omtu) + result = L2CAP_CONF_UNACCEPT; + else + pi->omtu = pi->conf_mtu; + + l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, pi->omtu); + } - BT_DBG("sk %p result %d", sk, result); - return result; + rsp->scid = cpu_to_le16(pi->dcid); + rsp->result = cpu_to_le16(result); + rsp->flags = cpu_to_le16(0x0000); + + return ptr - data; } -static int l2cap_build_conf_rsp(struct sock *sk, void *data, int *result) +static int l2cap_build_conf_rsp(struct sock *sk, void *data, u16 result, u16 flags) { struct l2cap_conf_rsp *rsp = data; void *ptr = rsp->data; - u16 flags = 0; - - BT_DBG("sk %p complete %d", sk, result ? 1 : 0); - if (result) - *result = l2cap_conf_output(sk, &ptr); - else - flags = 0x0001; + BT_DBG("sk %p", sk); rsp->scid = cpu_to_le16(l2cap_pi(sk)->dcid); - rsp->result = cpu_to_le16(result ? *result : 0); + rsp->result = cpu_to_le16(result); rsp->flags = cpu_to_le16(flags); return ptr - data; @@ -1535,7 +1536,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr u16 dcid, flags; u8 rsp[64]; struct sock *sk; - int result; + int len; dcid = __le16_to_cpu(req->dcid); flags = __le16_to_cpu(req->flags); @@ -1548,25 +1549,40 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr if (sk->sk_state == BT_DISCONN) goto unlock; - l2cap_parse_conf_req(sk, req->data, cmd->len - sizeof(*req)); + /* Reject if config buffer is too small. */ + len = cmd->len - sizeof(*req); + if (l2cap_pi(sk)->conf_len + len > sizeof(l2cap_pi(sk)->conf_req)) { + l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP, + l2cap_build_conf_rsp(sk, rsp, + L2CAP_CONF_REJECT, flags), rsp); + goto unlock; + } + + /* Store config. */ + memcpy(l2cap_pi(sk)->conf_req + l2cap_pi(sk)->conf_len, req->data, len); + l2cap_pi(sk)->conf_len += len; if (flags & 0x0001) { /* Incomplete config. Send empty response. */ l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP, - l2cap_build_conf_rsp(sk, rsp, NULL), rsp); + l2cap_build_conf_rsp(sk, rsp, + L2CAP_CONF_SUCCESS, 0x0001), rsp); goto unlock; } /* Complete config. */ - l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP, - l2cap_build_conf_rsp(sk, rsp, &result), rsp); - - if (result) + len = l2cap_parse_conf_req(sk, rsp); + if (len < 0) goto unlock; - /* Output config done */ + l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP, len, rsp); + + /* Output config done. */ l2cap_pi(sk)->conf_state |= L2CAP_CONF_OUTPUT_DONE; + /* Reset config buffer. */ + l2cap_pi(sk)->conf_len = 0; + if (l2cap_pi(sk)->conf_state & L2CAP_CONF_INPUT_DONE) { sk->sk_state = BT_CONNECTED; l2cap_chan_ready(sk); diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 8c971a2efe2a..27da9cdec6a8 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -437,7 +437,7 @@ static void copy_rtnl_link_stats(struct rtnl_link_stats *a, a->tx_compressed = b->tx_compressed; }; -static inline size_t if_nlmsg_size(int iwbuflen) +static inline size_t if_nlmsg_size(void) { return NLMSG_ALIGN(sizeof(struct ifinfomsg)) + nla_total_size(IFNAMSIZ) /* IFLA_IFNAME */ @@ -452,13 +452,12 @@ static inline size_t if_nlmsg_size(int iwbuflen) + nla_total_size(4) /* IFLA_LINK */ + nla_total_size(4) /* IFLA_MASTER */ + nla_total_size(1) /* IFLA_OPERSTATE */ - + nla_total_size(1) /* IFLA_LINKMODE */ - + nla_total_size(iwbuflen); + + nla_total_size(1); /* IFLA_LINKMODE */ } static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev, - void *iwbuf, int iwbuflen, int type, u32 pid, - u32 seq, u32 change, unsigned int flags) + int type, u32 pid, u32 seq, u32 change, + unsigned int flags) { struct ifinfomsg *ifm; struct nlmsghdr *nlh; @@ -523,9 +522,6 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev, } } - if (iwbuf) - NLA_PUT(skb, IFLA_WIRELESS, iwbuflen, iwbuf); - return nlmsg_end(skb, nlh); nla_put_failure: @@ -543,7 +539,7 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb) for_each_netdev(dev) { if (idx < s_idx) goto cont; - if (rtnl_fill_ifinfo(skb, dev, NULL, 0, RTM_NEWLINK, + if (rtnl_fill_ifinfo(skb, dev, RTM_NEWLINK, NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq, 0, NLM_F_MULTI) <= 0) break; @@ -689,8 +685,15 @@ static int rtnl_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) } - if (ifm->ifi_flags) - dev_change_flags(dev, ifm->ifi_flags); + if (ifm->ifi_flags || ifm->ifi_change) { + unsigned int flags = ifm->ifi_flags; + + /* bugwards compatibility: ifi_change == 0 is treated as ~0 */ + if (ifm->ifi_change) + flags = (flags & ifm->ifi_change) | + (dev->flags & ~ifm->ifi_change); + dev_change_flags(dev, flags); + } if (tb[IFLA_TXQLEN]) dev->tx_queue_len = nla_get_u32(tb[IFLA_TXQLEN]); @@ -730,8 +733,6 @@ static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg) struct nlattr *tb[IFLA_MAX+1]; struct net_device *dev = NULL; struct sk_buff *nskb; - char *iw_buf = NULL, *iw = NULL; - int iw_buf_len = 0; int err; err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy); @@ -746,14 +747,14 @@ static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg) } else return -EINVAL; - nskb = nlmsg_new(if_nlmsg_size(iw_buf_len), GFP_KERNEL); + nskb = nlmsg_new(if_nlmsg_size(), GFP_KERNEL); if (nskb == NULL) { err = -ENOBUFS; goto errout; } - err = rtnl_fill_ifinfo(nskb, dev, iw, iw_buf_len, RTM_NEWLINK, - NETLINK_CB(skb).pid, nlh->nlmsg_seq, 0, 0); + err = rtnl_fill_ifinfo(nskb, dev, RTM_NEWLINK, NETLINK_CB(skb).pid, + nlh->nlmsg_seq, 0, 0); if (err < 0) { /* -EMSGSIZE implies BUG in if_nlmsg_size */ WARN_ON(err == -EMSGSIZE); @@ -762,7 +763,6 @@ static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg) } err = rtnl_unicast(nskb, NETLINK_CB(skb).pid); errout: - kfree(iw_buf); dev_put(dev); return err; @@ -797,11 +797,11 @@ void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change) struct sk_buff *skb; int err = -ENOBUFS; - skb = nlmsg_new(if_nlmsg_size(0), GFP_KERNEL); + skb = nlmsg_new(if_nlmsg_size(), GFP_KERNEL); if (skb == NULL) goto errout; - err = rtnl_fill_ifinfo(skb, dev, NULL, 0, type, 0, 0, change, 0); + err = rtnl_fill_ifinfo(skb, dev, type, 0, 0, change, 0); if (err < 0) { /* -EMSGSIZE implies BUG in if_nlmsg_size() */ WARN_ON(err == -EMSGSIZE); diff --git a/net/core/sock.c b/net/core/sock.c index 22183c2ef284..7e51d3a5e4f6 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -206,7 +206,19 @@ static int sock_set_timeout(long *timeo_p, char __user *optval, int optlen) return -EINVAL; if (copy_from_user(&tv, optval, sizeof(tv))) return -EFAULT; - + if (tv.tv_usec < 0 || tv.tv_usec >= USEC_PER_SEC) + return -EDOM; + + if (tv.tv_sec < 0) { + static int warned = 0; + *timeo_p = 0; + if (warned < 10 && net_ratelimit()) + warned++; + printk(KERN_INFO "sock_set_timeout: `%s' (pid %d) " + "tries to set negative timeout\n", + current->comm, current->pid); + return 0; + } *timeo_p = MAX_SCHEDULE_TIMEOUT; if (tv.tv_sec == 0 && tv.tv_usec == 0) return 0; diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c index b29712033dd4..f34aca041a25 100644 --- a/net/core/sysctl_net_core.c +++ b/net/core/sysctl_net_core.c @@ -24,6 +24,7 @@ extern int sysctl_core_destroy_delay; #ifdef CONFIG_XFRM extern u32 sysctl_xfrm_aevent_etime; extern u32 sysctl_xfrm_aevent_rseqth; +extern int sysctl_xfrm_larval_drop; #endif ctl_table core_table[] = { @@ -118,6 +119,14 @@ ctl_table core_table[] = { .mode = 0644, .proc_handler = &proc_dointvec }, + { + .ctl_name = CTL_UNNUMBERED, + .procname = "xfrm_larval_drop", + .data = &sysctl_xfrm_larval_drop, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec + }, #endif /* CONFIG_XFRM */ #endif /* CONFIG_NET */ { diff --git a/net/dccp/Kconfig b/net/dccp/Kconfig index b8a68dd41000..0549e4719b13 100644 --- a/net/dccp/Kconfig +++ b/net/dccp/Kconfig @@ -1,8 +1,6 @@ -menu "DCCP Configuration (EXPERIMENTAL)" - depends on INET && EXPERIMENTAL - -config IP_DCCP +menuconfig IP_DCCP tristate "The DCCP Protocol (EXPERIMENTAL)" + depends on INET && EXPERIMENTAL ---help--- Datagram Congestion Control Protocol (RFC 4340) @@ -19,19 +17,20 @@ config IP_DCCP If in doubt, say N. +if IP_DCCP + config INET_DCCP_DIAG - depends on IP_DCCP && INET_DIAG + depends on INET_DIAG def_tristate y if (IP_DCCP = y && INET_DIAG = y) def_tristate m config IP_DCCP_ACKVEC - depends on IP_DCCP bool source "net/dccp/ccids/Kconfig" menu "DCCP Kernel Hacking" - depends on IP_DCCP && DEBUG_KERNEL=y + depends on DEBUG_KERNEL=y config IP_DCCP_DEBUG bool "DCCP debug messages" @@ -61,4 +60,4 @@ config NET_DCCPPROBE endmenu -endmenu +endif # IP_DDCP diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c index d7d9ce737244..ec7fa4d67f08 100644 --- a/net/dccp/ccids/ccid3.c +++ b/net/dccp/ccids/ccid3.c @@ -419,7 +419,6 @@ static void ccid3_hc_tx_packet_sent(struct sock *sk, int more, static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb) { - const struct dccp_sock *dp = dccp_sk(sk); struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk); struct ccid3_options_received *opt_recv; struct dccp_tx_hist_entry *packet; @@ -491,7 +490,7 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb) ccid3_pr_debug("%s(%p), s=%u, MSS=%u, " "R_sample=%uus, X=%u\n", dccp_role(sk), sk, hctx->ccid3hctx_s, - dp->dccps_mss_cache, r_sample, + dccp_sk(sk)->dccps_mss_cache, r_sample, (unsigned)(hctx->ccid3hctx_x >> 6)); ccid3_hc_tx_set_state(sk, TFRC_SSTATE_FBACK); diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index 64eac2515aa2..31737cdf156a 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -1043,9 +1043,13 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr, if (final_p) ipv6_addr_copy(&fl.fl6_dst, final_p); - err = xfrm_lookup(&dst, &fl, sk, 1); - if (err < 0) - goto failure; + err = __xfrm_lookup(&dst, &fl, sk, 1); + if (err < 0) { + if (err == -EREMOTE) + err = ip6_dst_blackhole(sk, &dst, &fl); + if (err < 0) + goto failure; + } if (saddr == NULL) { saddr = &fl.fl6_src; diff --git a/net/ipv4/fib_hash.c b/net/ipv4/fib_hash.c index 9cfecf1215c9..07e843a47dde 100644 --- a/net/ipv4/fib_hash.c +++ b/net/ipv4/fib_hash.c @@ -456,6 +456,8 @@ static int fn_hash_insert(struct fib_table *tb, struct fib_config *cfg) fib_release_info(fi_drop); if (state & FA_S_ACCESSED) rt_cache_flush(-1); + rtmsg_fib(RTM_NEWROUTE, key, fa, cfg->fc_dst_len, tb->tb_id, + &cfg->fc_nlinfo, NLM_F_REPLACE); return 0; } @@ -523,7 +525,7 @@ static int fn_hash_insert(struct fib_table *tb, struct fib_config *cfg) rt_cache_flush(-1); rtmsg_fib(RTM_NEWROUTE, key, new_fa, cfg->fc_dst_len, tb->tb_id, - &cfg->fc_nlinfo); + &cfg->fc_nlinfo, 0); return 0; out_free_new_fa: @@ -589,7 +591,7 @@ static int fn_hash_delete(struct fib_table *tb, struct fib_config *cfg) fa = fa_to_delete; rtmsg_fib(RTM_DELROUTE, key, fa, cfg->fc_dst_len, - tb->tb_id, &cfg->fc_nlinfo); + tb->tb_id, &cfg->fc_nlinfo, 0); kill_fn = 0; write_lock_bh(&fib_hash_lock); diff --git a/net/ipv4/fib_lookup.h b/net/ipv4/fib_lookup.h index 0e8b70bad4e1..eef9eec17e0c 100644 --- a/net/ipv4/fib_lookup.h +++ b/net/ipv4/fib_lookup.h @@ -30,7 +30,8 @@ extern int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event, int dst_len, u8 tos, struct fib_info *fi, unsigned int); extern void rtmsg_fib(int event, __be32 key, struct fib_alias *fa, - int dst_len, u32 tb_id, struct nl_info *info); + int dst_len, u32 tb_id, struct nl_info *info, + unsigned int nlm_flags); extern struct fib_alias *fib_find_alias(struct list_head *fah, u8 tos, u32 prio); extern int fib_detect_death(struct fib_info *fi, int order, diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index 406ea7050aed..bb94550d95c3 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -301,7 +301,8 @@ static inline size_t fib_nlmsg_size(struct fib_info *fi) } void rtmsg_fib(int event, __be32 key, struct fib_alias *fa, - int dst_len, u32 tb_id, struct nl_info *info) + int dst_len, u32 tb_id, struct nl_info *info, + unsigned int nlm_flags) { struct sk_buff *skb; u32 seq = info->nlh ? info->nlh->nlmsg_seq : 0; @@ -313,7 +314,7 @@ void rtmsg_fib(int event, __be32 key, struct fib_alias *fa, err = fib_dump_info(skb, info->pid, seq, event, tb_id, fa->fa_type, fa->fa_scope, key, dst_len, - fa->fa_tos, fa->fa_info, 0); + fa->fa_tos, fa->fa_info, nlm_flags); if (err < 0) { /* -EMSGSIZE implies BUG in fib_nlmsg_size() */ WARN_ON(err == -EMSGSIZE); diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 9be7da7c3a8f..30e332ade61b 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -1226,6 +1226,8 @@ static int fn_trie_insert(struct fib_table *tb, struct fib_config *cfg) fib_release_info(fi_drop); if (state & FA_S_ACCESSED) rt_cache_flush(-1); + rtmsg_fib(RTM_NEWROUTE, htonl(key), new_fa, plen, + tb->tb_id, &cfg->fc_nlinfo, NLM_F_REPLACE); goto succeeded; } @@ -1278,7 +1280,7 @@ static int fn_trie_insert(struct fib_table *tb, struct fib_config *cfg) rt_cache_flush(-1); rtmsg_fib(RTM_NEWROUTE, htonl(key), new_fa, plen, tb->tb_id, - &cfg->fc_nlinfo); + &cfg->fc_nlinfo, 0); succeeded: return 0; @@ -1624,7 +1626,7 @@ static int fn_trie_delete(struct fib_table *tb, struct fib_config *cfg) fa = fa_to_delete; rtmsg_fib(RTM_DELROUTE, htonl(key), fa, plen, tb->tb_id, - &cfg->fc_nlinfo); + &cfg->fc_nlinfo, 0); l = fib_find_node(t, key); li = find_leaf_info(l, plen); diff --git a/net/ipv4/ipvs/Kconfig b/net/ipv4/ipvs/Kconfig index 891b9355cf96..09d0c3f35669 100644 --- a/net/ipv4/ipvs/Kconfig +++ b/net/ipv4/ipvs/Kconfig @@ -1,10 +1,7 @@ # # IP Virtual Server configuration # -menu "IP: Virtual Server Configuration" - depends on NETFILTER - -config IP_VS +menuconfig IP_VS tristate "IP virtual server support (EXPERIMENTAL)" depends on NETFILTER ---help--- @@ -25,9 +22,10 @@ config IP_VS If you want to compile it in kernel, say Y. To compile it as a module, choose M here. If unsure, say N. +if IP_VS + config IP_VS_DEBUG bool "IP virtual server debugging" - depends on IP_VS ---help--- Say Y here if you want to get additional messages useful in debugging the IP virtual server code. You can change the debug @@ -35,7 +33,6 @@ config IP_VS_DEBUG config IP_VS_TAB_BITS int "IPVS connection table size (the Nth power of 2)" - depends on IP_VS default "12" ---help--- The IPVS connection hash table uses the chaining scheme to handle @@ -61,42 +58,35 @@ config IP_VS_TAB_BITS needed for your box. comment "IPVS transport protocol load balancing support" - depends on IP_VS config IP_VS_PROTO_TCP bool "TCP load balancing support" - depends on IP_VS ---help--- This option enables support for load balancing TCP transport protocol. Say Y if unsure. config IP_VS_PROTO_UDP bool "UDP load balancing support" - depends on IP_VS ---help--- This option enables support for load balancing UDP transport protocol. Say Y if unsure. config IP_VS_PROTO_ESP bool "ESP load balancing support" - depends on IP_VS ---help--- This option enables support for load balancing ESP (Encapsulation Security Payload) transport protocol. Say Y if unsure. config IP_VS_PROTO_AH bool "AH load balancing support" - depends on IP_VS ---help--- This option enables support for load balancing AH (Authentication Header) transport protocol. Say Y if unsure. comment "IPVS scheduler" - depends on IP_VS config IP_VS_RR tristate "round-robin scheduling" - depends on IP_VS ---help--- The robin-robin scheduling algorithm simply directs network connections to different real servers in a round-robin manner. @@ -106,7 +96,6 @@ config IP_VS_RR config IP_VS_WRR tristate "weighted round-robin scheduling" - depends on IP_VS ---help--- The weighted robin-robin scheduling algorithm directs network connections to different real servers based on server weights @@ -120,7 +109,6 @@ config IP_VS_WRR config IP_VS_LC tristate "least-connection scheduling" - depends on IP_VS ---help--- The least-connection scheduling algorithm directs network connections to the server with the least number of active @@ -131,7 +119,6 @@ config IP_VS_LC config IP_VS_WLC tristate "weighted least-connection scheduling" - depends on IP_VS ---help--- The weighted least-connection scheduling algorithm directs network connections to the server with the least active connections @@ -142,7 +129,6 @@ config IP_VS_WLC config IP_VS_LBLC tristate "locality-based least-connection scheduling" - depends on IP_VS ---help--- The locality-based least-connection scheduling algorithm is for destination IP load balancing. It is usually used in cache cluster. @@ -157,7 +143,6 @@ config IP_VS_LBLC config IP_VS_LBLCR tristate "locality-based least-connection with replication scheduling" - depends on IP_VS ---help--- The locality-based least-connection with replication scheduling algorithm is also for destination IP load balancing. It is @@ -176,7 +161,6 @@ config IP_VS_LBLCR config IP_VS_DH tristate "destination hashing scheduling" - depends on IP_VS ---help--- The destination hashing scheduling algorithm assigns network connections to the servers through looking up a statically assigned @@ -187,7 +171,6 @@ config IP_VS_DH config IP_VS_SH tristate "source hashing scheduling" - depends on IP_VS ---help--- The source hashing scheduling algorithm assigns network connections to the servers through looking up a statically assigned @@ -198,7 +181,6 @@ config IP_VS_SH config IP_VS_SED tristate "shortest expected delay scheduling" - depends on IP_VS ---help--- The shortest expected delay scheduling algorithm assigns network connections to the server with the shortest expected delay. The @@ -212,7 +194,6 @@ config IP_VS_SED config IP_VS_NQ tristate "never queue scheduling" - depends on IP_VS ---help--- The never queue scheduling algorithm adopts a two-speed model. When there is an idle server available, the job will be sent to @@ -225,11 +206,10 @@ config IP_VS_NQ module, choose M here. If unsure, say N. comment 'IPVS application helper' - depends on IP_VS config IP_VS_FTP tristate "FTP protocol helper" - depends on IP_VS && IP_VS_PROTO_TCP + depends on IP_VS_PROTO_TCP ---help--- FTP is a protocol that transfers IP address and/or port number in the payload. In the virtual server via Network Address Translation, @@ -241,4 +221,4 @@ config IP_VS_FTP If you want to compile it in kernel, say Y. To compile it as a module, choose M here. If unsure, say N. -endmenu +endif # IP_VS diff --git a/net/ipv4/netfilter/nf_nat_ftp.c b/net/ipv4/netfilter/nf_nat_ftp.c index 751b59801755..e6bc8e5a72f1 100644 --- a/net/ipv4/netfilter/nf_nat_ftp.c +++ b/net/ipv4/netfilter/nf_nat_ftp.c @@ -40,8 +40,7 @@ mangle_rfc959_packet(struct sk_buff **pskb, unsigned int matchoff, unsigned int matchlen, struct nf_conn *ct, - enum ip_conntrack_info ctinfo, - u32 *seq) + enum ip_conntrack_info ctinfo) { char buffer[sizeof("nnn,nnn,nnn,nnn,nnn,nnn")]; @@ -50,7 +49,6 @@ mangle_rfc959_packet(struct sk_buff **pskb, DEBUGP("calling nf_nat_mangle_tcp_packet\n"); - *seq += strlen(buffer) - matchlen; return nf_nat_mangle_tcp_packet(pskb, ct, ctinfo, matchoff, matchlen, buffer, strlen(buffer)); } @@ -63,8 +61,7 @@ mangle_eprt_packet(struct sk_buff **pskb, unsigned int matchoff, unsigned int matchlen, struct nf_conn *ct, - enum ip_conntrack_info ctinfo, - u32 *seq) + enum ip_conntrack_info ctinfo) { char buffer[sizeof("|1|255.255.255.255|65535|")]; @@ -72,7 +69,6 @@ mangle_eprt_packet(struct sk_buff **pskb, DEBUGP("calling nf_nat_mangle_tcp_packet\n"); - *seq += strlen(buffer) - matchlen; return nf_nat_mangle_tcp_packet(pskb, ct, ctinfo, matchoff, matchlen, buffer, strlen(buffer)); } @@ -85,8 +81,7 @@ mangle_epsv_packet(struct sk_buff **pskb, unsigned int matchoff, unsigned int matchlen, struct nf_conn *ct, - enum ip_conntrack_info ctinfo, - u32 *seq) + enum ip_conntrack_info ctinfo) { char buffer[sizeof("|||65535|")]; @@ -94,14 +89,13 @@ mangle_epsv_packet(struct sk_buff **pskb, DEBUGP("calling nf_nat_mangle_tcp_packet\n"); - *seq += strlen(buffer) - matchlen; return nf_nat_mangle_tcp_packet(pskb, ct, ctinfo, matchoff, matchlen, buffer, strlen(buffer)); } static int (*mangle[])(struct sk_buff **, __be32, u_int16_t, unsigned int, unsigned int, struct nf_conn *, - enum ip_conntrack_info, u32 *seq) + enum ip_conntrack_info) = { [NF_CT_FTP_PORT] = mangle_rfc959_packet, [NF_CT_FTP_PASV] = mangle_rfc959_packet, @@ -116,8 +110,7 @@ static unsigned int nf_nat_ftp(struct sk_buff **pskb, enum nf_ct_ftp_type type, unsigned int matchoff, unsigned int matchlen, - struct nf_conntrack_expect *exp, - u32 *seq) + struct nf_conntrack_expect *exp) { __be32 newip; u_int16_t port; @@ -145,8 +138,7 @@ static unsigned int nf_nat_ftp(struct sk_buff **pskb, if (port == 0) return NF_DROP; - if (!mangle[type](pskb, newip, port, matchoff, matchlen, ct, ctinfo, - seq)) { + if (!mangle[type](pskb, newip, port, matchoff, matchlen, ct, ctinfo)) { nf_conntrack_unexpect_related(exp); return NF_DROP; } diff --git a/net/ipv4/netfilter/nf_nat_h323.c b/net/ipv4/netfilter/nf_nat_h323.c index fcebc968d37f..c5d2a2d690b8 100644 --- a/net/ipv4/netfilter/nf_nat_h323.c +++ b/net/ipv4/netfilter/nf_nat_h323.c @@ -455,9 +455,9 @@ static int nat_q931(struct sk_buff **pskb, struct nf_conn *ct, if (idx > 0 && get_h225_addr(ct, *data, &taddr[0], &addr, &port) && (ntohl(addr.ip) & 0xff000000) == 0x7f000000) { - set_h225_addr_hook(pskb, data, 0, &taddr[0], - &ct->tuplehash[!dir].tuple.dst.u3, - info->sig_port[!dir]); + set_h225_addr(pskb, data, 0, &taddr[0], + &ct->tuplehash[!dir].tuple.dst.u3, + info->sig_port[!dir]); } } else { nf_conntrack_unexpect_related(exp); diff --git a/net/ipv4/route.c b/net/ipv4/route.c index df9fe4f2e8cc..8603cfb271f2 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2598,6 +2598,69 @@ int __ip_route_output_key(struct rtable **rp, const struct flowi *flp) EXPORT_SYMBOL_GPL(__ip_route_output_key); +static void ipv4_rt_blackhole_update_pmtu(struct dst_entry *dst, u32 mtu) +{ +} + +static struct dst_ops ipv4_dst_blackhole_ops = { + .family = AF_INET, + .protocol = __constant_htons(ETH_P_IP), + .destroy = ipv4_dst_destroy, + .check = ipv4_dst_check, + .update_pmtu = ipv4_rt_blackhole_update_pmtu, + .entry_size = sizeof(struct rtable), +}; + + +static int ipv4_blackhole_output(struct sk_buff *skb) +{ + kfree_skb(skb); + return 0; +} + +static int ipv4_dst_blackhole(struct rtable **rp, struct flowi *flp, struct sock *sk) +{ + struct rtable *ort = *rp; + struct rtable *rt = (struct rtable *) + dst_alloc(&ipv4_dst_blackhole_ops); + + if (rt) { + struct dst_entry *new = &rt->u.dst; + + atomic_set(&new->__refcnt, 1); + new->__use = 1; + new->input = ipv4_blackhole_output; + new->output = ipv4_blackhole_output; + memcpy(new->metrics, ort->u.dst.metrics, RTAX_MAX*sizeof(u32)); + + new->dev = ort->u.dst.dev; + if (new->dev) + dev_hold(new->dev); + + rt->fl = ort->fl; + + rt->idev = ort->idev; + if (rt->idev) + in_dev_hold(rt->idev); + rt->rt_flags = ort->rt_flags; + rt->rt_type = ort->rt_type; + rt->rt_dst = ort->rt_dst; + rt->rt_src = ort->rt_src; + rt->rt_iif = ort->rt_iif; + rt->rt_gateway = ort->rt_gateway; + rt->rt_spec_dst = ort->rt_spec_dst; + rt->peer = ort->peer; + if (rt->peer) + atomic_inc(&rt->peer->refcnt); + + dst_free(new); + } + + dst_release(&(*rp)->u.dst); + *rp = rt; + return (rt ? 0 : -ENOMEM); +} + int ip_route_output_flow(struct rtable **rp, struct flowi *flp, struct sock *sk, int flags) { int err; @@ -2610,7 +2673,11 @@ int ip_route_output_flow(struct rtable **rp, struct flowi *flp, struct sock *sk, flp->fl4_src = (*rp)->rt_src; if (!flp->fl4_dst) flp->fl4_dst = (*rp)->rt_dst; - return xfrm_lookup((struct dst_entry **)rp, flp, sk, flags); + err = __xfrm_lookup((struct dst_entry **)rp, flp, sk, flags); + if (err == -EREMOTE) + err = ipv4_dst_blackhole(rp, flp, sk); + + return err; } return 0; @@ -3139,6 +3206,8 @@ int __init ip_rt_init(void) kmem_cache_create("ip_dst_cache", sizeof(struct rtable), 0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL); + ipv4_dst_blackhole_ops.kmem_cachep = ipv4_dst_ops.kmem_cachep; + rt_hash_table = (struct rt_hash_bucket *) alloc_large_system_hash("IP route cache", sizeof(struct rt_hash_bucket), diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index c7ea248fae2e..329de679ac38 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -2154,15 +2154,6 @@ static void addrconf_dev_config(struct net_device *dev) ASSERT_RTNL(); - if ((dev->type != ARPHRD_ETHER) && - (dev->type != ARPHRD_FDDI) && - (dev->type != ARPHRD_IEEE802_TR) && - (dev->type != ARPHRD_ARCNET) && - (dev->type != ARPHRD_INFINIBAND)) { - /* Alas, we support only Ethernet autoconfiguration. */ - return; - } - idev = addrconf_add_dev(dev); if (idev == NULL) return; @@ -2250,13 +2241,33 @@ static void addrconf_ip6_tnl_config(struct net_device *dev) ip6_tnl_add_linklocal(idev); } +static int ipv6_hwtype(struct net_device *dev) +{ + if ((dev->type == ARPHRD_ETHER) || + (dev->type == ARPHRD_LOOPBACK) || + (dev->type == ARPHRD_SIT) || + (dev->type == ARPHRD_TUNNEL6) || + (dev->type == ARPHRD_FDDI) || + (dev->type == ARPHRD_IEEE802_TR) || + (dev->type == ARPHRD_ARCNET) || + (dev->type == ARPHRD_INFINIBAND)) + return 1; + + return 0; +} + static int addrconf_notify(struct notifier_block *this, unsigned long event, void * data) { struct net_device *dev = (struct net_device *) data; - struct inet6_dev *idev = __in6_dev_get(dev); + struct inet6_dev *idev; int run_pending = 0; + if (!ipv6_hwtype(dev)) + return NOTIFY_OK; + + idev = __in6_dev_get(dev); + switch(event) { case NETDEV_REGISTER: if (!idev) { diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c index 403eee66b9c5..b1fe7ac5dc90 100644 --- a/net/ipv6/datagram.c +++ b/net/ipv6/datagram.c @@ -177,8 +177,12 @@ ipv4_connected: if (final_p) ipv6_addr_copy(&fl.fl6_dst, final_p); - if ((err = xfrm_lookup(&dst, &fl, sk, 1)) < 0) - goto out; + if ((err = __xfrm_lookup(&dst, &fl, sk, 1)) < 0) { + if (err == -EREMOTE) + err = ip6_dst_blackhole(sk, &dst, &fl); + if (err < 0) + goto out; + } /* source address lookup done in ip6_dst_lookup */ diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index 009a1047fc3f..a58459a76684 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -818,8 +818,12 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, if (final_p) ipv6_addr_copy(&fl.fl6_dst, final_p); - if ((err = xfrm_lookup(&dst, &fl, sk, 1)) < 0) - goto out; + if ((err = __xfrm_lookup(&dst, &fl, sk, 1)) < 0) { + if (err == -EREMOTE) + err = ip6_dst_blackhole(sk, &dst, &fl); + if (err < 0) + goto out; + } if (hlimit < 0) { if (ipv6_addr_is_multicast(&fl.fl6_dst)) diff --git a/net/ipv6/route.c b/net/ipv6/route.c index b46ad53044ba..1324b06796c0 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -119,6 +119,19 @@ static struct dst_ops ip6_dst_ops = { .entry_size = sizeof(struct rt6_info), }; +static void ip6_rt_blackhole_update_pmtu(struct dst_entry *dst, u32 mtu) +{ +} + +static struct dst_ops ip6_dst_blackhole_ops = { + .family = AF_INET6, + .protocol = __constant_htons(ETH_P_IPV6), + .destroy = ip6_dst_destroy, + .check = ip6_dst_check, + .update_pmtu = ip6_rt_blackhole_update_pmtu, + .entry_size = sizeof(struct rt6_info), +}; + struct rt6_info ip6_null_entry = { .u = { .dst = { @@ -833,6 +846,54 @@ struct dst_entry * ip6_route_output(struct sock *sk, struct flowi *fl) EXPORT_SYMBOL(ip6_route_output); +static int ip6_blackhole_output(struct sk_buff *skb) +{ + kfree_skb(skb); + return 0; +} + +int ip6_dst_blackhole(struct sock *sk, struct dst_entry **dstp, struct flowi *fl) +{ + struct rt6_info *ort = (struct rt6_info *) *dstp; + struct rt6_info *rt = (struct rt6_info *) + dst_alloc(&ip6_dst_blackhole_ops); + struct dst_entry *new = NULL; + + if (rt) { + new = &rt->u.dst; + + atomic_set(&new->__refcnt, 1); + new->__use = 1; + new->input = ip6_blackhole_output; + new->output = ip6_blackhole_output; + + memcpy(new->metrics, ort->u.dst.metrics, RTAX_MAX*sizeof(u32)); + new->dev = ort->u.dst.dev; + if (new->dev) + dev_hold(new->dev); + rt->rt6i_idev = ort->rt6i_idev; + if (rt->rt6i_idev) + in6_dev_hold(rt->rt6i_idev); + rt->rt6i_expires = 0; + + ipv6_addr_copy(&rt->rt6i_gateway, &ort->rt6i_gateway); + rt->rt6i_flags = ort->rt6i_flags & ~RTF_EXPIRES; + rt->rt6i_metric = 0; + + memcpy(&rt->rt6i_dst, &ort->rt6i_dst, sizeof(struct rt6key)); +#ifdef CONFIG_IPV6_SUBTREES + memcpy(&rt->rt6i_src, &ort->rt6i_src, sizeof(struct rt6key)); +#endif + + dst_free(new); + } + + dst_release(*dstp); + *dstp = new; + return (new ? 0 : -ENOMEM); +} +EXPORT_SYMBOL_GPL(ip6_dst_blackhole); + /* * Destination cache support functions */ @@ -2495,6 +2556,8 @@ void __init ip6_route_init(void) ip6_dst_ops.kmem_cachep = kmem_cache_create("ip6_dst_cache", sizeof(struct rt6_info), 0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL); + ip6_dst_blackhole_ops.kmem_cachep = ip6_dst_ops.kmem_cachep; + fib6_init(); #ifdef CONFIG_PROC_FS p = proc_net_create("ipv6_route", 0, rt6_proc_info); diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index e2f25ea43b68..4f06a51ad4fd 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -265,8 +265,12 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr, if (final_p) ipv6_addr_copy(&fl.fl6_dst, final_p); - if ((err = xfrm_lookup(&dst, &fl, sk, 1)) < 0) - goto failure; + if ((err = __xfrm_lookup(&dst, &fl, sk, 1)) < 0) { + if (err == -EREMOTE) + err = ip6_dst_blackhole(sk, &dst, &fl); + if (err < 0) + goto failure; + } if (saddr == NULL) { saddr = &fl.fl6_src; diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index a7ae59c954d5..d1fbddd172e7 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -767,8 +767,12 @@ do_udp_sendmsg: if (final_p) ipv6_addr_copy(&fl.fl6_dst, final_p); - if ((err = xfrm_lookup(&dst, &fl, sk, 1)) < 0) - goto out; + if ((err = __xfrm_lookup(&dst, &fl, sk, 1)) < 0) { + if (err == -EREMOTE) + err = ip6_dst_blackhole(sk, &dst, &fl); + if (err < 0) + goto out; + } if (hlimit < 0) { if (ipv6_addr_is_multicast(&fl.fl6_dst)) diff --git a/net/netfilter/nf_conntrack_ftp.c b/net/netfilter/nf_conntrack_ftp.c index a186799f6542..82db2aa53bfc 100644 --- a/net/netfilter/nf_conntrack_ftp.c +++ b/net/netfilter/nf_conntrack_ftp.c @@ -48,8 +48,7 @@ unsigned int (*nf_nat_ftp_hook)(struct sk_buff **pskb, enum nf_ct_ftp_type type, unsigned int matchoff, unsigned int matchlen, - struct nf_conntrack_expect *exp, - u32 *seq); + struct nf_conntrack_expect *exp); EXPORT_SYMBOL_GPL(nf_nat_ftp_hook); #if 0 @@ -335,15 +334,17 @@ static void update_nl_seq(u32 nl_seq, struct nf_ct_ftp_master *info, int dir, if (info->seq_aft_nl[dir][i] == nl_seq) return; - if (oldest == info->seq_aft_nl_num[dir] - || before(info->seq_aft_nl[dir][i], oldest)) + if (oldest == info->seq_aft_nl_num[dir] || + before(info->seq_aft_nl[dir][i], + info->seq_aft_nl[dir][oldest])) oldest = i; } if (info->seq_aft_nl_num[dir] < NUM_SEQ_TO_REMEMBER) { info->seq_aft_nl[dir][info->seq_aft_nl_num[dir]++] = nl_seq; nf_conntrack_event_cache(IPCT_HELPINFO_VOLATILE, skb); - } else if (oldest != NUM_SEQ_TO_REMEMBER) { + } else if (oldest != NUM_SEQ_TO_REMEMBER && + after(nl_seq, info->seq_aft_nl[dir][oldest])) { info->seq_aft_nl[dir][oldest] = nl_seq; nf_conntrack_event_cache(IPCT_HELPINFO_VOLATILE, skb); } @@ -519,7 +520,7 @@ static int help(struct sk_buff **pskb, nf_nat_ftp = rcu_dereference(nf_nat_ftp_hook); if (nf_nat_ftp && ct->status & IPS_NAT_MASK) ret = nf_nat_ftp(pskb, ctinfo, search[dir][i].ftptype, - matchoff, matchlen, exp, &seq); + matchoff, matchlen, exp); else { /* Can't expect this? Best to drop packet now. */ if (nf_conntrack_expect_related(exp) != 0) diff --git a/net/netfilter/nf_conntrack_h323_main.c b/net/netfilter/nf_conntrack_h323_main.c index b284db73ca7c..a1b95acad297 100644 --- a/net/netfilter/nf_conntrack_h323_main.c +++ b/net/netfilter/nf_conntrack_h323_main.c @@ -520,6 +520,16 @@ static int process_olca(struct sk_buff **pskb, struct nf_conn *ct, } } + if ((olca->options & eOpenLogicalChannelAck_separateStack) && + olca->separateStack.networkAddress.choice == + eNetworkAccessParameters_networkAddress_localAreaAddress) { + ret = expect_t120(pskb, ct, ctinfo, data, dataoff, + &olca->separateStack.networkAddress. + localAreaAddress); + if (ret < 0) + return -1; + } + return 0; } @@ -640,7 +650,7 @@ int get_h225_addr(struct nf_conn *ct, unsigned char *data, case eTransportAddress_ip6Address: if (family != AF_INET6) return 0; - p = data + taddr->ip6Address.ip6; + p = data + taddr->ip6Address.ip; len = 16; break; default: @@ -977,30 +987,6 @@ static int process_alerting(struct sk_buff **pskb, struct nf_conn *ct, } /****************************************************************************/ -static int process_information(struct sk_buff **pskb, - struct nf_conn *ct, - enum ip_conntrack_info ctinfo, - unsigned char **data, int dataoff, - Information_UUIE *info) -{ - int ret; - int i; - - DEBUGP("nf_ct_q931: Information\n"); - - if (info->options & eInformation_UUIE_fastStart) { - for (i = 0; i < info->fastStart.count; i++) { - ret = process_olc(pskb, ct, ctinfo, data, dataoff, - &info->fastStart.item[i]); - if (ret < 0) - return -1; - } - } - - return 0; -} - -/****************************************************************************/ static int process_facility(struct sk_buff **pskb, struct nf_conn *ct, enum ip_conntrack_info ctinfo, unsigned char **data, int dataoff, @@ -1096,11 +1082,6 @@ static int process_q931(struct sk_buff **pskb, struct nf_conn *ct, ret = process_alerting(pskb, ct, ctinfo, data, dataoff, &pdu->h323_message_body.alerting); break; - case eH323_UU_PDU_h323_message_body_information: - ret = process_information(pskb, ct, ctinfo, data, dataoff, - &pdu->h323_message_body. - information); - break; case eH323_UU_PDU_h323_message_body_facility: ret = process_facility(pskb, ct, ctinfo, data, dataoff, &pdu->h323_message_body.facility); diff --git a/net/netfilter/nf_conntrack_h323_types.c b/net/netfilter/nf_conntrack_h323_types.c index 4c6f8b3b1208..3a21fdf1a265 100644 --- a/net/netfilter/nf_conntrack_h323_types.c +++ b/net/netfilter/nf_conntrack_h323_types.c @@ -1,4 +1,4 @@ -/* Generated by Jing Min Zhao's ASN.1 parser, Apr 20 2006 +/* Generated by Jing Min Zhao's ASN.1 parser, May 16 2007 * * Copyright (c) 2006 Jing Min Zhao <zhaojingmin@users.sourceforge.net> * @@ -37,7 +37,7 @@ static field_t _TransportAddress_ipxAddress[] = { /* SEQUENCE */ static field_t _TransportAddress_ip6Address[] = { /* SEQUENCE */ {FNAME("ip") OCTSTR, FIXD, 16, 0, DECODE, - offsetof(TransportAddress_ip6Address, ip6), NULL}, + offsetof(TransportAddress_ip6Address, ip), NULL}, {FNAME("port") INT, WORD, 0, 0, SKIP, 0, NULL}, }; @@ -67,7 +67,8 @@ static field_t _TransportAddress[] = { /* CHOICE */ {FNAME("ipxAddress") SEQ, 0, 3, 3, SKIP, 0, _TransportAddress_ipxAddress}, {FNAME("ip6Address") SEQ, 0, 2, 2, DECODE | EXT, - offsetof(TransportAddress, ip6Address), _TransportAddress_ip6Address}, + offsetof(TransportAddress, ip6Address), + _TransportAddress_ip6Address}, {FNAME("netBios") OCTSTR, FIXD, 16, 0, SKIP, 0, NULL}, {FNAME("nsap") OCTSTR, 5, 1, 0, SKIP, 0, NULL}, {FNAME("nonStandardAddress") SEQ, 0, 2, 2, SKIP, 0, @@ -638,7 +639,8 @@ static field_t _UnicastAddress_iPXAddress[] = { /* SEQUENCE */ }; static field_t _UnicastAddress_iP6Address[] = { /* SEQUENCE */ - {FNAME("network") OCTSTR, FIXD, 16, 0, SKIP, 0, NULL}, + {FNAME("network") OCTSTR, FIXD, 16, 0, DECODE, + offsetof(UnicastAddress_iP6Address, network), NULL}, {FNAME("tsapIdentifier") INT, WORD, 0, 0, SKIP, 0, NULL}, }; @@ -665,8 +667,8 @@ static field_t _UnicastAddress[] = { /* CHOICE */ offsetof(UnicastAddress, iPAddress), _UnicastAddress_iPAddress}, {FNAME("iPXAddress") SEQ, 0, 3, 3, SKIP | EXT, 0, _UnicastAddress_iPXAddress}, - {FNAME("iP6Address") SEQ, 0, 2, 2, SKIP | EXT, 0, - _UnicastAddress_iP6Address}, + {FNAME("iP6Address") SEQ, 0, 2, 2, DECODE | EXT, + offsetof(UnicastAddress, iP6Address), _UnicastAddress_iP6Address}, {FNAME("netBios") OCTSTR, FIXD, 16, 0, SKIP, 0, NULL}, {FNAME("iPSourceRouteAddress") SEQ, 0, 4, 4, SKIP | EXT, 0, _UnicastAddress_iPSourceRouteAddress}, @@ -984,19 +986,12 @@ static field_t _Alerting_UUIE[] = { /* SEQUENCE */ {FNAME("featureSet") SEQ, 3, 4, 4, SKIP | EXT | OPT, 0, NULL}, }; -static field_t _Information_UUIE_fastStart[] = { /* SEQUENCE OF */ - {FNAME("item") SEQ, 1, 3, 5, DECODE | OPEN | EXT, - sizeof(OpenLogicalChannel), _OpenLogicalChannel} - , -}; - static field_t _Information_UUIE[] = { /* SEQUENCE */ {FNAME("protocolIdentifier") OID, BYTE, 0, 0, SKIP, 0, NULL}, {FNAME("callIdentifier") SEQ, 0, 1, 1, SKIP | EXT, 0, NULL}, {FNAME("tokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, {FNAME("cryptoTokens") SEQOF, SEMI, 0, 0, SKIP | OPT, 0, NULL}, - {FNAME("fastStart") SEQOF, SEMI, 0, 30, DECODE | OPT, - offsetof(Information_UUIE, fastStart), _Information_UUIE_fastStart}, + {FNAME("fastStart") SEQOF, SEMI, 0, 30, SKIP | OPT, 0, NULL}, {FNAME("fastConnectRefused") NUL, FIXD, 0, 0, SKIP | OPT, 0, NULL}, {FNAME("circuitInfo") SEQ, 3, 3, 3, SKIP | EXT | OPT, 0, NULL}, }; @@ -1343,9 +1338,7 @@ static field_t _H323_UU_PDU_h323_message_body[] = { /* CHOICE */ offsetof(H323_UU_PDU_h323_message_body, connect), _Connect_UUIE}, {FNAME("alerting") SEQ, 1, 3, 17, DECODE | EXT, offsetof(H323_UU_PDU_h323_message_body, alerting), _Alerting_UUIE}, - {FNAME("information") SEQ, 0, 1, 7, DECODE | EXT, - offsetof(H323_UU_PDU_h323_message_body, information), - _Information_UUIE}, + {FNAME("information") SEQ, 0, 1, 7, SKIP | EXT, 0, _Information_UUIE}, {FNAME("releaseComplete") SEQ, 1, 2, 11, SKIP | EXT, 0, _ReleaseComplete_UUIE}, {FNAME("facility") SEQ, 3, 5, 21, DECODE | EXT, @@ -1430,7 +1423,9 @@ static field_t _OpenLogicalChannelAck[] = { /* SEQUENCE */ DECODE | EXT | OPT, offsetof(OpenLogicalChannelAck, reverseLogicalChannelParameters), _OpenLogicalChannelAck_reverseLogicalChannelParameters}, - {FNAME("separateStack") SEQ, 2, 4, 5, SKIP | EXT | OPT, 0, NULL}, + {FNAME("separateStack") SEQ, 2, 4, 5, DECODE | EXT | OPT, + offsetof(OpenLogicalChannelAck, separateStack), + _NetworkAccessParameters}, {FNAME("forwardMultiplexAckParameters") CHOICE, 0, 1, 1, DECODE | EXT | OPT, offsetof(OpenLogicalChannelAck, forwardMultiplexAckParameters), diff --git a/net/rxrpc/Kconfig b/net/rxrpc/Kconfig index 91b3d52f6f1a..e662f1d07664 100644 --- a/net/rxrpc/Kconfig +++ b/net/rxrpc/Kconfig @@ -4,7 +4,7 @@ config AF_RXRPC tristate "RxRPC session sockets" - depends on EXPERIMENTAL + depends on INET && EXPERIMENTAL select KEYS help Say Y or M here to include support for RxRPC session sockets (just diff --git a/net/rxrpc/ar-call.c b/net/rxrpc/ar-call.c index 4d92d88ff1fc..3c04b00dab74 100644 --- a/net/rxrpc/ar-call.c +++ b/net/rxrpc/ar-call.c @@ -15,6 +15,25 @@ #include <net/af_rxrpc.h> #include "ar-internal.h" +const char *rxrpc_call_states[] = { + [RXRPC_CALL_CLIENT_SEND_REQUEST] = "ClSndReq", + [RXRPC_CALL_CLIENT_AWAIT_REPLY] = "ClAwtRpl", + [RXRPC_CALL_CLIENT_RECV_REPLY] = "ClRcvRpl", + [RXRPC_CALL_CLIENT_FINAL_ACK] = "ClFnlACK", + [RXRPC_CALL_SERVER_SECURING] = "SvSecure", + [RXRPC_CALL_SERVER_ACCEPTING] = "SvAccept", + [RXRPC_CALL_SERVER_RECV_REQUEST] = "SvRcvReq", + [RXRPC_CALL_SERVER_ACK_REQUEST] = "SvAckReq", + [RXRPC_CALL_SERVER_SEND_REPLY] = "SvSndRpl", + [RXRPC_CALL_SERVER_AWAIT_ACK] = "SvAwtACK", + [RXRPC_CALL_COMPLETE] = "Complete", + [RXRPC_CALL_SERVER_BUSY] = "SvBusy ", + [RXRPC_CALL_REMOTELY_ABORTED] = "RmtAbort", + [RXRPC_CALL_LOCALLY_ABORTED] = "LocAbort", + [RXRPC_CALL_NETWORK_ERROR] = "NetError", + [RXRPC_CALL_DEAD] = "Dead ", +}; + struct kmem_cache *rxrpc_call_jar; LIST_HEAD(rxrpc_calls); DEFINE_RWLOCK(rxrpc_call_lock); diff --git a/net/rxrpc/ar-proc.c b/net/rxrpc/ar-proc.c index 58f4b4e5cece..1c0be0e77b16 100644 --- a/net/rxrpc/ar-proc.c +++ b/net/rxrpc/ar-proc.c @@ -25,25 +25,6 @@ static const char *rxrpc_conn_states[] = { [RXRPC_CONN_NETWORK_ERROR] = "NetError", }; -const char *rxrpc_call_states[] = { - [RXRPC_CALL_CLIENT_SEND_REQUEST] = "ClSndReq", - [RXRPC_CALL_CLIENT_AWAIT_REPLY] = "ClAwtRpl", - [RXRPC_CALL_CLIENT_RECV_REPLY] = "ClRcvRpl", - [RXRPC_CALL_CLIENT_FINAL_ACK] = "ClFnlACK", - [RXRPC_CALL_SERVER_SECURING] = "SvSecure", - [RXRPC_CALL_SERVER_ACCEPTING] = "SvAccept", - [RXRPC_CALL_SERVER_RECV_REQUEST] = "SvRcvReq", - [RXRPC_CALL_SERVER_ACK_REQUEST] = "SvAckReq", - [RXRPC_CALL_SERVER_SEND_REPLY] = "SvSndRpl", - [RXRPC_CALL_SERVER_AWAIT_ACK] = "SvAwtACK", - [RXRPC_CALL_COMPLETE] = "Complete", - [RXRPC_CALL_SERVER_BUSY] = "SvBusy ", - [RXRPC_CALL_REMOTELY_ABORTED] = "RmtAbort", - [RXRPC_CALL_LOCALLY_ABORTED] = "LocAbort", - [RXRPC_CALL_NETWORK_ERROR] = "NetError", - [RXRPC_CALL_DEAD] = "Dead ", -}; - /* * generate a list of extant and dead calls in /proc/net/rxrpc_calls */ diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index f28bb2dc58d0..cbefe225581e 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -169,8 +169,8 @@ requeue: else q->ops->requeue(skb, q); netif_schedule(dev); - return 0; } + return 0; out: BUG_ON((int) q->q.qlen < 0); diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c index 99bcec8dd04c..035788c5b7f8 100644 --- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -976,8 +976,9 @@ static struct sk_buff *htb_dequeue(struct Qdisc *sch) if (q->now >= q->near_ev_cache[level]) { event = htb_do_events(q, level); - q->near_ev_cache[level] = event ? event : - PSCHED_TICKS_PER_SEC; + if (!event) + event = q->now + PSCHED_TICKS_PER_SEC; + q->near_ev_cache[level] = event; } else event = q->near_ev_cache[level]; diff --git a/net/sctp/Kconfig b/net/sctp/Kconfig index 9cba49e2ad43..8210f549c492 100644 --- a/net/sctp/Kconfig +++ b/net/sctp/Kconfig @@ -2,11 +2,9 @@ # SCTP configuration # -menu "SCTP Configuration (EXPERIMENTAL)" - depends on INET && EXPERIMENTAL - -config IP_SCTP +menuconfig IP_SCTP tristate "The SCTP Protocol (EXPERIMENTAL)" + depends on INET && EXPERIMENTAL depends on IPV6 || IPV6=n select CRYPTO if SCTP_HMAC_SHA1 || SCTP_HMAC_MD5 select CRYPTO_HMAC if SCTP_HMAC_SHA1 || SCTP_HMAC_MD5 @@ -36,9 +34,10 @@ config IP_SCTP If in doubt, say N. +if IP_SCTP + config SCTP_DBG_MSG bool "SCTP: Debug messages" - depends on IP_SCTP help If you say Y, this will enable verbose debugging messages. @@ -47,7 +46,6 @@ config SCTP_DBG_MSG config SCTP_DBG_OBJCNT bool "SCTP: Debug object counts" - depends on IP_SCTP help If you say Y, this will enable debugging support for counting the type of objects that are currently allocated. This is useful for @@ -59,7 +57,6 @@ config SCTP_DBG_OBJCNT choice prompt "SCTP: Cookie HMAC Algorithm" - depends on IP_SCTP default SCTP_HMAC_MD5 help HMAC algorithm to be used during association initialization. It @@ -86,4 +83,5 @@ config SCTP_HMAC_MD5 advised to use either HMAC-MD5 or HMAC-SHA1. endchoice -endmenu + +endif # IP_SCTP diff --git a/net/tipc/Kconfig b/net/tipc/Kconfig index f9e367d946eb..3b30d1130b61 100644 --- a/net/tipc/Kconfig +++ b/net/tipc/Kconfig @@ -2,11 +2,9 @@ # TIPC configuration # -menu "TIPC Configuration (EXPERIMENTAL)" - depends on INET && EXPERIMENTAL - -config TIPC +menuconfig TIPC tristate "The TIPC Protocol (EXPERIMENTAL)" + depends on INET && EXPERIMENTAL ---help--- The Transparent Inter Process Communication (TIPC) protocol is specially designed for intra cluster communication. This protocol @@ -22,9 +20,10 @@ config TIPC If in doubt, say N. +if TIPC + config TIPC_ADVANCED bool "TIPC: Advanced configuration" - depends on TIPC default n help Saying Y here will open some advanced configuration @@ -33,7 +32,7 @@ config TIPC_ADVANCED config TIPC_ZONES int "Maximum number of zones in network" - depends on TIPC && TIPC_ADVANCED + depends on TIPC_ADVANCED default "3" help Max number of zones inside TIPC network. Max supported value @@ -44,7 +43,7 @@ config TIPC_ZONES config TIPC_CLUSTERS int "Maximum number of clusters in a zone" - depends on TIPC && TIPC_ADVANCED + depends on TIPC_ADVANCED default "1" help ***Only 1 (one cluster in a zone) is supported by current code. @@ -59,7 +58,7 @@ config TIPC_CLUSTERS config TIPC_NODES int "Maximum number of nodes in cluster" - depends on TIPC && TIPC_ADVANCED + depends on TIPC_ADVANCED default "255" help Maximum number of nodes inside a TIPC cluster. Maximum @@ -70,7 +69,7 @@ config TIPC_NODES config TIPC_SLAVE_NODES int "Maximum number of slave nodes in cluster" - depends on TIPC && TIPC_ADVANCED + depends on TIPC_ADVANCED default "0" help ***This capability is not supported by current code.*** @@ -83,7 +82,7 @@ config TIPC_SLAVE_NODES config TIPC_PORTS int "Maximum number of ports in a node" - depends on TIPC && TIPC_ADVANCED + depends on TIPC_ADVANCED default "8191" help Maximum number of ports within a node. Maximum @@ -94,7 +93,7 @@ config TIPC_PORTS config TIPC_LOG int "Size of log buffer" - depends on TIPC && TIPC_ADVANCED + depends on TIPC_ADVANCED default 0 help Size (in bytes) of TIPC's internal log buffer, which records the @@ -106,7 +105,6 @@ config TIPC_LOG config TIPC_DEBUG bool "Enable debugging support" - depends on TIPC default n help This will enable debugging of TIPC. @@ -114,4 +112,4 @@ config TIPC_DEBUG Only say Y here if you are having trouble with TIPC. It will enable the display of detailed information about what is going on. -endmenu +endif # TIPC diff --git a/net/tipc/eth_media.c b/net/tipc/eth_media.c index 0ee6ded18f3a..77d2d9ce8962 100644 --- a/net/tipc/eth_media.c +++ b/net/tipc/eth_media.c @@ -120,18 +120,20 @@ static int recv_msg(struct sk_buff *buf, struct net_device *dev, static int enable_bearer(struct tipc_bearer *tb_ptr) { - struct net_device *dev, *pdev; + struct net_device *dev = NULL; + struct net_device *pdev = NULL; struct eth_bearer *eb_ptr = ð_bearers[0]; struct eth_bearer *stop = ð_bearers[MAX_ETH_BEARERS]; char *driver_name = strchr((const char *)tb_ptr->name, ':') + 1; /* Find device with specified name */ - dev = NULL; - for_each_netdev(pdev) - if (!strncmp(dev->name, driver_name, IFNAMSIZ)) { + + for_each_netdev(pdev){ + if (!strncmp(pdev->name, driver_name, IFNAMSIZ)) { dev = pdev; break; } + } if (!dev) return -ENODEV; diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c index 8a72def25a34..5ced62c19c63 100644 --- a/net/xfrm/xfrm_algo.c +++ b/net/xfrm/xfrm_algo.c @@ -407,27 +407,27 @@ static struct xfrm_algo_desc *xfrm_find_algo( static int xfrm_alg_id_match(const struct xfrm_algo_desc *entry, const void *data) { - return entry->desc.sadb_alg_id == (int)data; + return entry->desc.sadb_alg_id == (unsigned long)data; } struct xfrm_algo_desc *xfrm_aalg_get_byid(int alg_id) { return xfrm_find_algo(&xfrm_aalg_list, xfrm_alg_id_match, - (void *)alg_id, 1); + (void *)(unsigned long)alg_id, 1); } EXPORT_SYMBOL_GPL(xfrm_aalg_get_byid); struct xfrm_algo_desc *xfrm_ealg_get_byid(int alg_id) { return xfrm_find_algo(&xfrm_ealg_list, xfrm_alg_id_match, - (void *)alg_id, 1); + (void *)(unsigned long)alg_id, 1); } EXPORT_SYMBOL_GPL(xfrm_ealg_get_byid); struct xfrm_algo_desc *xfrm_calg_get_byid(int alg_id) { return xfrm_find_algo(&xfrm_calg_list, xfrm_alg_id_match, - (void *)alg_id, 1); + (void *)(unsigned long)alg_id, 1); } EXPORT_SYMBOL_GPL(xfrm_calg_get_byid); diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index d0882e53b6fc..b8bab89616a0 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -29,6 +29,8 @@ #include "xfrm_hash.h" +int sysctl_xfrm_larval_drop; + DEFINE_MUTEX(xfrm_cfg_mutex); EXPORT_SYMBOL(xfrm_cfg_mutex); @@ -1390,8 +1392,8 @@ static int stale_bundle(struct dst_entry *dst); * At the moment we eat a raw IP route. Mostly to speed up lookups * on interfaces with disabled IPsec. */ -int xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl, - struct sock *sk, int flags) +int __xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl, + struct sock *sk, int flags) { struct xfrm_policy *policy; struct xfrm_policy *pols[XFRM_POLICY_TYPE_MAX]; @@ -1509,6 +1511,13 @@ restart: if (unlikely(nx<0)) { err = nx; + if (err == -EAGAIN && sysctl_xfrm_larval_drop) { + /* EREMOTE tells the caller to generate + * a one-shot blackhole route. + */ + xfrm_pol_put(policy); + return -EREMOTE; + } if (err == -EAGAIN && flags) { DECLARE_WAITQUEUE(wait, current); @@ -1598,6 +1607,21 @@ error: *dst_p = NULL; return err; } +EXPORT_SYMBOL(__xfrm_lookup); + +int xfrm_lookup(struct dst_entry **dst_p, struct flowi *fl, + struct sock *sk, int flags) +{ + int err = __xfrm_lookup(dst_p, fl, sk, flags); + + if (err == -EREMOTE) { + dst_release(*dst_p); + *dst_p = NULL; + err = -EAGAIN; + } + + return err; +} EXPORT_SYMBOL(xfrm_lookup); static inline int |
