diff options
Diffstat (limited to 'arch/ia64')
32 files changed, 476 insertions, 439 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index bef47725d4ad..b0de1132dfc0 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -15,6 +15,8 @@ config IA64 select ACPI if (!IA64_HP_SIM) select PM if (!IA64_HP_SIM) select ARCH_SUPPORTS_MSI + select HAVE_OPROFILE + select HAVE_KPROBES default y help The Itanium Processor Family is Intel's 64-bit successor to @@ -42,6 +44,11 @@ config MMU config SWIOTLB bool +config GENERIC_LOCKBREAK + bool + default y + depends on SMP && PREEMPT + config RWSEM_XCHGADD_ALGORITHM bool default y @@ -75,6 +82,9 @@ config GENERIC_TIME_VSYSCALL bool default y +config HAVE_SETUP_PER_CPU_AREA + def_bool y + config DMI bool default y @@ -275,8 +285,8 @@ config SMP single processor systems. On a single processor system, the kernel will run faster if you say N here. - See also the <file:Documentation/smp.txt> and the SMP-HOWTO - available at <http://www.tldp.org/docs.html#howto>. + See also the SMP-HOWTO available at + <http://www.tldp.org/docs.html#howto>. If you don't know what to do here, say N. @@ -592,8 +602,6 @@ config IRQ_PER_CPU source "arch/ia64/hp/sim/Kconfig" -source "kernel/Kconfig.instrumentation" - source "arch/ia64/Kconfig.debug" source "security/Kconfig" diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c index 45bf04eb7d70..a94445422cc6 100644 --- a/arch/ia64/hp/common/sba_iommu.c +++ b/arch/ia64/hp/common/sba_iommu.c @@ -1265,7 +1265,7 @@ sba_fill_pdir( * the sglist do both. */ static SBA_INLINE int -sba_coalesce_chunks( struct ioc *ioc, +sba_coalesce_chunks(struct ioc *ioc, struct device *dev, struct scatterlist *startsg, int nents) { @@ -1275,6 +1275,7 @@ sba_coalesce_chunks( struct ioc *ioc, struct scatterlist *dma_sg; /* next DMA stream head */ unsigned long dma_offset, dma_len; /* start/len of DMA stream */ int n_mappings = 0; + unsigned int max_seg_size = dma_get_max_seg_size(dev); while (nents > 0) { unsigned long vaddr = (unsigned long) sba_sg_address(startsg); @@ -1314,6 +1315,9 @@ sba_coalesce_chunks( struct ioc *ioc, > DMA_CHUNK_SIZE) break; + if (dma_len + startsg->length > max_seg_size) + break; + /* ** Then look for virtually contiguous blocks. ** @@ -1441,7 +1445,7 @@ int sba_map_sg(struct device *dev, struct scatterlist *sglist, int nents, int di ** w/o this association, we wouldn't have coherent DMA! ** Access to the virtual address is what forces a two pass algorithm. */ - coalesced = sba_coalesce_chunks(ioc, sglist, nents); + coalesced = sba_coalesce_chunks(ioc, dev, sglist, nents); /* ** Program the I/O Pdir @@ -1871,7 +1875,7 @@ ioc_show(struct seq_file *s, void *v) return 0; } -static struct seq_operations ioc_seq_ops = { +static const struct seq_operations ioc_seq_ops = { .start = ioc_start, .next = ioc_next, .stop = ioc_stop, diff --git a/arch/ia64/hp/sim/simeth.c b/arch/ia64/hp/sim/simeth.c index 08b117e2c54b..9898febf609a 100644 --- a/arch/ia64/hp/sim/simeth.c +++ b/arch/ia64/hp/sim/simeth.c @@ -497,11 +497,6 @@ simeth_interrupt(int irq, void *dev_id) { struct net_device *dev = dev_id; - if ( dev == NULL ) { - printk(KERN_WARNING "simeth: irq %d for unknown device\n", irq); - return IRQ_NONE; - } - /* * very simple loop because we get interrupts only when receiving */ diff --git a/arch/ia64/hp/sim/simscsi.c b/arch/ia64/hp/sim/simscsi.c index 6ef9b5219930..7661bb065fa5 100644 --- a/arch/ia64/hp/sim/simscsi.c +++ b/arch/ia64/hp/sim/simscsi.c @@ -360,7 +360,6 @@ static struct scsi_host_template driver_template = { .max_sectors = 1024, .cmd_per_lun = SIMSCSI_REQ_QUEUE_LEN, .use_clustering = DISABLE_CLUSTERING, - .use_sg_chaining = ENABLE_SG_CHAINING, }; static int __init diff --git a/arch/ia64/ia32/binfmt_elf32.c b/arch/ia64/ia32/binfmt_elf32.c index 3e35987af458..4f0c30c38e99 100644 --- a/arch/ia64/ia32/binfmt_elf32.c +++ b/arch/ia64/ia32/binfmt_elf32.c @@ -222,7 +222,8 @@ elf32_set_personality (void) } static unsigned long -elf32_map (struct file *filep, unsigned long addr, struct elf_phdr *eppnt, int prot, int type) +elf32_map(struct file *filep, unsigned long addr, struct elf_phdr *eppnt, + int prot, int type, unsigned long unused) { unsigned long pgoff = (eppnt->p_vaddr) & ~IA32_PAGE_MASK; diff --git a/arch/ia64/ia32/ia32_support.c b/arch/ia64/ia32/ia32_support.c index d1d50cd1c38a..896b1ebbfb26 100644 --- a/arch/ia64/ia32/ia32_support.c +++ b/arch/ia64/ia32/ia32_support.c @@ -27,7 +27,7 @@ #include "ia32priv.h" -extern void die_if_kernel (char *str, struct pt_regs *regs, long err); +extern int die_if_kernel (char *str, struct pt_regs *regs, long err); struct exec_domain ia32_exec_domain; struct page *ia32_shared_page[NR_CPUS]; @@ -217,7 +217,8 @@ ia32_bad_interrupt (unsigned long int_num, struct pt_regs *regs) { siginfo_t siginfo; - die_if_kernel("Bad IA-32 interrupt", regs, int_num); + if (die_if_kernel("Bad IA-32 interrupt", regs, int_num)) + return; siginfo.si_signo = SIGTRAP; siginfo.si_errno = int_num; /* XXX is it OK to abuse si_errno like this? */ diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c index 00b5d08f6da8..d20a3cc8b424 100644 --- a/arch/ia64/kernel/acpi.c +++ b/arch/ia64/kernel/acpi.c @@ -69,6 +69,20 @@ unsigned int acpi_cpei_phys_cpuid; unsigned long acpi_wakeup_address = 0; +#ifdef CONFIG_IA64_GENERIC +static unsigned long __init acpi_find_rsdp(void) +{ + unsigned long rsdp_phys = 0; + + if (efi.acpi20 != EFI_INVALID_TABLE_ADDR) + rsdp_phys = efi.acpi20; + else if (efi.acpi != EFI_INVALID_TABLE_ADDR) + printk(KERN_WARNING PREFIX + "v1.0/r0.71 tables no longer supported\n"); + return rsdp_phys; +} +#endif + const char __init * acpi_get_sysname(void) { @@ -631,18 +645,6 @@ static int __init acpi_parse_fadt(struct acpi_table_header *table) return 0; } -unsigned long __init acpi_find_rsdp(void) -{ - unsigned long rsdp_phys = 0; - - if (efi.acpi20 != EFI_INVALID_TABLE_ADDR) - rsdp_phys = efi.acpi20; - else if (efi.acpi != EFI_INVALID_TABLE_ADDR) - printk(KERN_WARNING PREFIX - "v1.0/r0.71 tables no longer supported\n"); - return rsdp_phys; -} - int __init acpi_boot_init(void) { diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c index 242d79341120..919070a9aed7 100644 --- a/arch/ia64/kernel/efi.c +++ b/arch/ia64/kernel/efi.c @@ -1,7 +1,8 @@ /* * Extensible Firmware Interface * - * Based on Extensible Firmware Interface Specification version 0.9 April 30, 1999 + * Based on Extensible Firmware Interface Specification version 0.9 + * April 30, 1999 * * Copyright (C) 1999 VA Linux Systems * Copyright (C) 1999 Walt Drummond <drummond@valinux.com> @@ -48,145 +49,157 @@ static unsigned long mem_limit = ~0UL, max_addr = ~0UL, min_addr = 0UL; #define efi_call_virt(f, args...) (*(f))(args) -#define STUB_GET_TIME(prefix, adjust_arg) \ -static efi_status_t \ -prefix##_get_time (efi_time_t *tm, efi_time_cap_t *tc) \ -{ \ - struct ia64_fpreg fr[6]; \ - efi_time_cap_t *atc = NULL; \ - efi_status_t ret; \ - \ - if (tc) \ - atc = adjust_arg(tc); \ - ia64_save_scratch_fpregs(fr); \ - ret = efi_call_##prefix((efi_get_time_t *) __va(runtime->get_time), adjust_arg(tm), atc); \ - ia64_load_scratch_fpregs(fr); \ - return ret; \ +#define STUB_GET_TIME(prefix, adjust_arg) \ +static efi_status_t \ +prefix##_get_time (efi_time_t *tm, efi_time_cap_t *tc) \ +{ \ + struct ia64_fpreg fr[6]; \ + efi_time_cap_t *atc = NULL; \ + efi_status_t ret; \ + \ + if (tc) \ + atc = adjust_arg(tc); \ + ia64_save_scratch_fpregs(fr); \ + ret = efi_call_##prefix((efi_get_time_t *) __va(runtime->get_time), \ + adjust_arg(tm), atc); \ + ia64_load_scratch_fpregs(fr); \ + return ret; \ } -#define STUB_SET_TIME(prefix, adjust_arg) \ -static efi_status_t \ -prefix##_set_time (efi_time_t *tm) \ -{ \ - struct ia64_fpreg fr[6]; \ - efi_status_t ret; \ - \ - ia64_save_scratch_fpregs(fr); \ - ret = efi_call_##prefix((efi_set_time_t *) __va(runtime->set_time), adjust_arg(tm)); \ - ia64_load_scratch_fpregs(fr); \ - return ret; \ +#define STUB_SET_TIME(prefix, adjust_arg) \ +static efi_status_t \ +prefix##_set_time (efi_time_t *tm) \ +{ \ + struct ia64_fpreg fr[6]; \ + efi_status_t ret; \ + \ + ia64_save_scratch_fpregs(fr); \ + ret = efi_call_##prefix((efi_set_time_t *) __va(runtime->set_time), \ + adjust_arg(tm)); \ + ia64_load_scratch_fpregs(fr); \ + return ret; \ } -#define STUB_GET_WAKEUP_TIME(prefix, adjust_arg) \ -static efi_status_t \ -prefix##_get_wakeup_time (efi_bool_t *enabled, efi_bool_t *pending, efi_time_t *tm) \ -{ \ - struct ia64_fpreg fr[6]; \ - efi_status_t ret; \ - \ - ia64_save_scratch_fpregs(fr); \ - ret = efi_call_##prefix((efi_get_wakeup_time_t *) __va(runtime->get_wakeup_time), \ - adjust_arg(enabled), adjust_arg(pending), adjust_arg(tm)); \ - ia64_load_scratch_fpregs(fr); \ - return ret; \ +#define STUB_GET_WAKEUP_TIME(prefix, adjust_arg) \ +static efi_status_t \ +prefix##_get_wakeup_time (efi_bool_t *enabled, efi_bool_t *pending, \ + efi_time_t *tm) \ +{ \ + struct ia64_fpreg fr[6]; \ + efi_status_t ret; \ + \ + ia64_save_scratch_fpregs(fr); \ + ret = efi_call_##prefix( \ + (efi_get_wakeup_time_t *) __va(runtime->get_wakeup_time), \ + adjust_arg(enabled), adjust_arg(pending), adjust_arg(tm)); \ + ia64_load_scratch_fpregs(fr); \ + return ret; \ } -#define STUB_SET_WAKEUP_TIME(prefix, adjust_arg) \ -static efi_status_t \ -prefix##_set_wakeup_time (efi_bool_t enabled, efi_time_t *tm) \ -{ \ - struct ia64_fpreg fr[6]; \ - efi_time_t *atm = NULL; \ - efi_status_t ret; \ - \ - if (tm) \ - atm = adjust_arg(tm); \ - ia64_save_scratch_fpregs(fr); \ - ret = efi_call_##prefix((efi_set_wakeup_time_t *) __va(runtime->set_wakeup_time), \ - enabled, atm); \ - ia64_load_scratch_fpregs(fr); \ - return ret; \ +#define STUB_SET_WAKEUP_TIME(prefix, adjust_arg) \ +static efi_status_t \ +prefix##_set_wakeup_time (efi_bool_t enabled, efi_time_t *tm) \ +{ \ + struct ia64_fpreg fr[6]; \ + efi_time_t *atm = NULL; \ + efi_status_t ret; \ + \ + if (tm) \ + atm = adjust_arg(tm); \ + ia64_save_scratch_fpregs(fr); \ + ret = efi_call_##prefix( \ + (efi_set_wakeup_time_t *) __va(runtime->set_wakeup_time), \ + enabled, atm); \ + ia64_load_scratch_fpregs(fr); \ + return ret; \ } -#define STUB_GET_VARIABLE(prefix, adjust_arg) \ -static efi_status_t \ -prefix##_get_variable (efi_char16_t *name, efi_guid_t *vendor, u32 *attr, \ - unsigned long *data_size, void *data) \ -{ \ - struct ia64_fpreg fr[6]; \ - u32 *aattr = NULL; \ - efi_status_t ret; \ - \ - if (attr) \ - aattr = adjust_arg(attr); \ - ia64_save_scratch_fpregs(fr); \ - ret = efi_call_##prefix((efi_get_variable_t *) __va(runtime->get_variable), \ - adjust_arg(name), adjust_arg(vendor), aattr, \ - adjust_arg(data_size), adjust_arg(data)); \ - ia64_load_scratch_fpregs(fr); \ - return ret; \ +#define STUB_GET_VARIABLE(prefix, adjust_arg) \ +static efi_status_t \ +prefix##_get_variable (efi_char16_t *name, efi_guid_t *vendor, u32 *attr, \ + unsigned long *data_size, void *data) \ +{ \ + struct ia64_fpreg fr[6]; \ + u32 *aattr = NULL; \ + efi_status_t ret; \ + \ + if (attr) \ + aattr = adjust_arg(attr); \ + ia64_save_scratch_fpregs(fr); \ + ret = efi_call_##prefix( \ + (efi_get_variable_t *) __va(runtime->get_variable), \ + adjust_arg(name), adjust_arg(vendor), aattr, \ + adjust_arg(data_size), adjust_arg(data)); \ + ia64_load_scratch_fpregs(fr); \ + return ret; \ } -#define STUB_GET_NEXT_VARIABLE(prefix, adjust_arg) \ -static efi_status_t \ -prefix##_get_next_variable (unsigned long *name_size, efi_char16_t *name, efi_guid_t *vendor) \ -{ \ - struct ia64_fpreg fr[6]; \ - efi_status_t ret; \ - \ - ia64_save_scratch_fpregs(fr); \ - ret = efi_call_##prefix((efi_get_next_variable_t *) __va(runtime->get_next_variable), \ - adjust_arg(name_size), adjust_arg(name), adjust_arg(vendor)); \ - ia64_load_scratch_fpregs(fr); \ - return ret; \ +#define STUB_GET_NEXT_VARIABLE(prefix, adjust_arg) \ +static efi_status_t \ +prefix##_get_next_variable (unsigned long *name_size, efi_char16_t *name, \ + efi_guid_t *vendor) \ +{ \ + struct ia64_fpreg fr[6]; \ + efi_status_t ret; \ + \ + ia64_save_scratch_fpregs(fr); \ + ret = efi_call_##prefix( \ + (efi_get_next_variable_t *) __va(runtime->get_next_variable), \ + adjust_arg(name_size), adjust_arg(name), adjust_arg(vendor)); \ + ia64_load_scratch_fpregs(fr); \ + return ret; \ } -#define STUB_SET_VARIABLE(prefix, adjust_arg) \ -static efi_status_t \ -prefix##_set_variable (efi_char16_t *name, efi_guid_t *vendor, unsigned long attr, \ - unsigned long data_size, void *data) \ -{ \ - struct ia64_fpreg fr[6]; \ - efi_status_t ret; \ - \ - ia64_save_scratch_fpregs(fr); \ - ret = efi_call_##prefix((efi_set_variable_t *) __va(runtime->set_variable), \ - adjust_arg(name), adjust_arg(vendor), attr, data_size, \ - adjust_arg(data)); \ - ia64_load_scratch_fpregs(fr); \ - return ret; \ +#define STUB_SET_VARIABLE(prefix, adjust_arg) \ +static efi_status_t \ +prefix##_set_variable (efi_char16_t *name, efi_guid_t *vendor, \ + unsigned long attr, unsigned long data_size, \ + void *data) \ +{ \ + struct ia64_fpreg fr[6]; \ + efi_status_t ret; \ + \ + ia64_save_scratch_fpregs(fr); \ + ret = efi_call_##prefix( \ + (efi_set_variable_t *) __va(runtime->set_variable), \ + adjust_arg(name), adjust_arg(vendor), attr, data_size, \ + adjust_arg(data)); \ + ia64_load_scratch_fpregs(fr); \ + return ret; \ } -#define STUB_GET_NEXT_HIGH_MONO_COUNT(prefix, adjust_arg) \ -static efi_status_t \ -prefix##_get_next_high_mono_count (u32 *count) \ -{ \ - struct ia64_fpreg fr[6]; \ - efi_status_t ret; \ - \ - ia64_save_scratch_fpregs(fr); \ - ret = efi_call_##prefix((efi_get_next_high_mono_count_t *) \ - __va(runtime->get_next_high_mono_count), adjust_arg(count)); \ - ia64_load_scratch_fpregs(fr); \ - return ret; \ +#define STUB_GET_NEXT_HIGH_MONO_COUNT(prefix, adjust_arg) \ +static efi_status_t \ +prefix##_get_next_high_mono_count (u32 *count) \ +{ \ + struct ia64_fpreg fr[6]; \ + efi_status_t ret; \ + \ + ia64_save_scratch_fpregs(fr); \ + ret = efi_call_##prefix((efi_get_next_high_mono_count_t *) \ + __va(runtime->get_next_high_mono_count), \ + adjust_arg(count)); \ + ia64_load_scratch_fpregs(fr); \ + return ret; \ } -#define STUB_RESET_SYSTEM(prefix, adjust_arg) \ -static void \ -prefix##_reset_system (int reset_type, efi_status_t status, \ - unsigned long data_size, efi_char16_t *data) \ -{ \ - struct ia64_fpreg fr[6]; \ - efi_char16_t *adata = NULL; \ - \ - if (data) \ - adata = adjust_arg(data); \ - \ - ia64_save_scratch_fpregs(fr); \ - efi_call_##prefix((efi_reset_system_t *) __va(runtime->reset_system), \ - reset_type, status, data_size, adata); \ - /* should not return, but just in case... */ \ - ia64_load_scratch_fpregs(fr); \ +#define STUB_RESET_SYSTEM(prefix, adjust_arg) \ +static void \ +prefix##_reset_system (int reset_type, efi_status_t status, \ + unsigned long data_size, efi_char16_t *data) \ +{ \ + struct ia64_fpreg fr[6]; \ + efi_char16_t *adata = NULL; \ + \ + if (data) \ + adata = adjust_arg(data); \ + \ + ia64_save_scratch_fpregs(fr); \ + efi_call_##prefix( \ + (efi_reset_system_t *) __va(runtime->reset_system), \ + reset_type, status, data_size, adata); \ + /* should not return, but just in case... */ \ + ia64_load_scratch_fpregs(fr); \ } #define phys_ptr(arg) ((__typeof__(arg)) ia64_tpa(arg)) @@ -223,7 +236,8 @@ efi_gettimeofday (struct timespec *ts) return; } - ts->tv_sec = mktime(tm.year, tm.month, tm.day, tm.hour, tm.minute, tm.second); + ts->tv_sec = mktime(tm.year, tm.month, tm.day, + tm.hour, tm.minute, tm.second); ts->tv_nsec = tm.nanosecond; } @@ -297,8 +311,8 @@ walk (efi_freemem_callback_t callback, void *arg, u64 attr) } /* - * Walks the EFI memory map and calls CALLBACK once for each EFI memory descriptor that - * has memory that is available for OS use. + * Walk the EFI memory map and call CALLBACK once for each EFI memory + * descriptor that has memory that is available for OS use. */ void efi_memmap_walk (efi_freemem_callback_t callback, void *arg) @@ -307,8 +321,8 @@ efi_memmap_walk (efi_freemem_callback_t callback, void *arg) } /* - * Walks the EFI memory map and calls CALLBACK once for each EFI memory descriptor that - * has memory that is available for uncached allocator. + * Walk the EFI memory map and call CALLBACK once for each EFI memory + * descriptor that has memory that is available for uncached allocator. */ void efi_memmap_walk_uc (efi_freemem_callback_t callback, void *arg) @@ -317,11 +331,10 @@ efi_memmap_walk_uc (efi_freemem_callback_t callback, void *arg) } /* - * Look for the PAL_CODE region reported by EFI and maps it using an + * Look for the PAL_CODE region reported by EFI and map it using an * ITR to enable safe PAL calls in virtual mode. See IA-64 Processor * Abstraction Layer chapter 11 in ADAG */ - void * efi_get_pal_addr (void) { @@ -341,45 +354,47 @@ efi_get_pal_addr (void) continue; if (++pal_code_count > 1) { - printk(KERN_ERR "Too many EFI Pal Code memory ranges, dropped @ %lx\n", - md->phys_addr); + printk(KERN_ERR "Too many EFI Pal Code memory ranges, " + "dropped @ %lx\n", md->phys_addr); continue; } /* - * The only ITLB entry in region 7 that is used is the one installed by - * __start(). That entry covers a 64MB range. + * The only ITLB entry in region 7 that is used is the one + * installed by __start(). That entry covers a 64MB range. */ mask = ~((1 << KERNEL_TR_PAGE_SHIFT) - 1); vaddr = PAGE_OFFSET + md->phys_addr; /* - * We must check that the PAL mapping won't overlap with the kernel - * mapping. + * We must check that the PAL mapping won't overlap with the + * kernel mapping. * - * PAL code is guaranteed to be aligned on a power of 2 between 4k and - * 256KB and that only one ITR is needed to map it. This implies that the - * PAL code is always aligned on its size, i.e., the closest matching page - * size supported by the TLB. Therefore PAL code is guaranteed never to - * cross a 64MB unless it is bigger than 64MB (very unlikely!). So for - * now the following test is enough to determine whether or not we need a - * dedicated ITR for the PAL code. + * PAL code is guaranteed to be aligned on a power of 2 between + * 4k and 256KB and that only one ITR is needed to map it. This + * implies that the PAL code is always aligned on its size, + * i.e., the closest matching page size supported by the TLB. + * Therefore PAL code is guaranteed never to cross a 64MB unless + * it is bigger than 64MB (very unlikely!). So for now the + * following test is enough to determine whether or not we need + * a dedicated ITR for the PAL code. */ if ((vaddr & mask) == (KERNEL_START & mask)) { - printk(KERN_INFO "%s: no need to install ITR for PAL code\n", - __FUNCTION__); + printk(KERN_INFO "%s: no need to install ITR for " + "PAL code\n", __FUNCTION__); continue; } if (efi_md_size(md) > IA64_GRANULE_SIZE) - panic("Woah! PAL code size bigger than a granule!"); + panic("Whoa! PAL code size bigger than a granule!"); #if EFI_DEBUG mask = ~((1 << IA64_GRANULE_SHIFT) - 1); - printk(KERN_INFO "CPU %d: mapping PAL code [0x%lx-0x%lx) into [0x%lx-0x%lx)\n", - smp_processor_id(), md->phys_addr, - md->phys_addr + efi_md_size(md), - vaddr & mask, (vaddr & mask) + IA64_GRANULE_SIZE); + printk(KERN_INFO "CPU %d: mapping PAL code " + "[0x%lx-0x%lx) into [0x%lx-0x%lx)\n", + smp_processor_id(), md->phys_addr, + md->phys_addr + efi_md_size(md), + vaddr & mask, (vaddr & mask) + IA64_GRANULE_SIZE); #endif return __va(md->phys_addr); } @@ -401,11 +416,11 @@ efi_map_pal_code (void) * Cannot write to CRx with PSR.ic=1 */ psr = ia64_clear_ic(); - ia64_itr(0x1, IA64_TR_PALCODE, GRANULEROUNDDOWN((unsigned long) pal_vaddr), + ia64_itr(0x1, IA64_TR_PALCODE, + GRANULEROUNDDOWN((unsigned long) pal_vaddr), pte_val(pfn_pte(__pa(pal_vaddr) >> PAGE_SHIFT, PAGE_KERNEL)), IA64_GRANULE_SHIFT); ia64_set_psr(psr); /* restore psr */ - ia64_srlz_i(); } void __init @@ -418,7 +433,10 @@ efi_init (void) char *cp, vendor[100] = "unknown"; int i; - /* it's too early to be able to use the standard kernel command line support... */ + /* + * It's too early to be able to use the standard kernel command line + * support... + */ for (cp = boot_command_line; *cp; ) { if (memcmp(cp, "mem=", 4) == 0) { mem_limit = memparse(cp + 4, &cp); @@ -434,9 +452,11 @@ efi_init (void) } } if (min_addr != 0UL) - printk(KERN_INFO "Ignoring memory below %luMB\n", min_addr >> 20); + printk(KERN_INFO "Ignoring memory below %luMB\n", + min_addr >> 20); if (max_addr != ~0UL) - printk(KERN_INFO "Ignoring memory above %luMB\n", max_addr >> 20); + printk(KERN_INFO "Ignoring memory above %luMB\n", + max_addr >> 20); efi.systab = __va(ia64_boot_param->efi_systab); @@ -444,9 +464,9 @@ efi_init (void) * Verify the EFI Table */ if (efi.systab == NULL) - panic("Woah! Can't find EFI system table.\n"); + panic("Whoa! Can't find EFI system table.\n"); if (efi.systab->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE) - panic("Woah! EFI system table signature incorrect\n"); + panic("Whoa! EFI system table signature incorrect\n"); if ((efi.systab->hdr.revision >> 16) == 0) printk(KERN_WARNING "Warning: EFI system table version " "%d.%02d, expected 1.00 or greater\n", @@ -464,7 +484,8 @@ efi_init (void) } printk(KERN_INFO "EFI v%u.%.02u by %s:", - efi.systab->hdr.revision >> 16, efi.systab->hdr.revision & 0xffff, vendor); + efi.systab->hdr.revision >> 16, + efi.systab->hdr.revision & 0xffff, vendor); efi.mps = EFI_INVALID_TABLE_ADDR; efi.acpi = EFI_INVALID_TABLE_ADDR; @@ -519,9 +540,12 @@ efi_init (void) efi_memory_desc_t *md; void *p; - for (i = 0, p = efi_map_start; p < efi_map_end; ++i, p += efi_desc_size) { + for (i = 0, p = efi_map_start; p < efi_map_end; + ++i, p += efi_desc_size) + { md = p; - printk("mem%02u: type=%u, attr=0x%lx, range=[0x%016lx-0x%016lx) (%luMB)\n", + printk("mem%02u: type=%u, attr=0x%lx, " + "range=[0x%016lx-0x%016lx) (%luMB)\n", i, md->type, md->attribute, md->phys_addr, md->phys_addr + efi_md_size(md), md->num_pages >> (20 - EFI_PAGE_SHIFT)); @@ -549,8 +573,8 @@ efi_enter_virtual_mode (void) md = p; if (md->attribute & EFI_MEMORY_RUNTIME) { /* - * Some descriptors have multiple bits set, so the order of - * the tests is relevant. + * Some descriptors have multiple bits set, so the + * order of the tests is relevant. */ if (md->attribute & EFI_MEMORY_WB) { md->virt_addr = (u64) __va(md->phys_addr); @@ -558,21 +582,26 @@ efi_enter_virtual_mode (void) md->virt_addr = (u64) ioremap(md->phys_addr, 0); } else if (md->attribute & EFI_MEMORY_WC) { #if 0 - md->virt_addr = ia64_remap(md->phys_addr, (_PAGE_A | _PAGE_P - | _PAGE_D - | _PAGE_MA_WC - | _PAGE_PL_0 - | _PAGE_AR_RW)); + md->virt_addr = ia64_remap(md->phys_addr, + (_PAGE_A | + _PAGE_P | + _PAGE_D | + _PAGE_MA_WC | + _PAGE_PL_0 | + _PAGE_AR_RW)); #else printk(KERN_INFO "EFI_MEMORY_WC mapping\n"); md->virt_addr = (u64) ioremap(md->phys_addr, 0); #endif } else if (md->attribute & EFI_MEMORY_WT) { #if 0 - md->virt_addr = ia64_remap(md->phys_addr, (_PAGE_A | _PAGE_P - | _PAGE_D | _PAGE_MA_WT - | _PAGE_PL_0 - | _PAGE_AR_RW)); + md->virt_addr = ia64_remap(md->phys_addr, + (_PAGE_A | + _PAGE_P | + _PAGE_D | + _PAGE_MA_WT | + _PAGE_PL_0 | + _PAGE_AR_RW)); #else printk(KERN_INFO "EFI_MEMORY_WT mapping\n"); md->virt_addr = (u64) ioremap(md->phys_addr, 0); @@ -583,16 +612,18 @@ efi_enter_virtual_mode (void) status = efi_call_phys(__va(runtime->set_virtual_address_map), ia64_boot_param->efi_memmap_size, - efi_desc_size, ia64_boot_param->efi_memdesc_version, + efi_desc_size, + ia64_boot_param->efi_memdesc_version, ia64_boot_param->efi_memmap); if (status != EFI_SUCCESS) { - printk(KERN_WARNING "warning: unable to switch EFI into virtual mode " - "(status=%lu)\n", status); + printk(KERN_WARNING "warning: unable to switch EFI into " + "virtual mode (status=%lu)\n", status); return; } /* - * Now that EFI is in virtual mode, we call the EFI functions more efficiently: + * Now that EFI is in virtual mode, we call the EFI functions more + * efficiently: */ efi.get_time = virt_get_time; efi.set_time = virt_set_time; @@ -606,8 +637,8 @@ efi_enter_virtual_mode (void) } /* - * Walk the EFI memory map looking for the I/O port range. There can only be one entry of - * this type, other I/O port ranges should be described via ACPI. + * Walk the EFI memory map looking for the I/O port range. There can only be + * one entry of this type, other I/O port ranges should be described via ACPI. */ u64 efi_get_iobase (void) @@ -678,7 +709,6 @@ efi_memmap_intersects (unsigned long phys_addr, unsigned long size) for (p = efi_map_start; p < efi_map_end; p += efi_desc_size) { md = p; - if (md->phys_addr < end && efi_md_end(md) > phys_addr) return 1; } @@ -731,7 +761,7 @@ efi_mem_attribute (unsigned long phys_addr, unsigned long size) if (!md || (md->attribute & ~EFI_MEMORY_RUNTIME) != attr) return 0; } while (md); - return 0; + return 0; /* never reached */ } u64 @@ -767,7 +797,7 @@ kern_mem_attribute (unsigned long phys_addr, unsigned long size) if (!md || md->attribute != attr) return 0; } while (md); - return 0; + return 0; /* never reached */ } EXPORT_SYMBOL(kern_mem_attribute); @@ -883,7 +913,7 @@ efi_uart_console_only(void) return 1; uart = 0; } - hdr = (struct efi_generic_dev_path *) ((u8 *) hdr + hdr->length); + hdr = (struct efi_generic_dev_path *)((u8 *) hdr + hdr->length); } printk(KERN_ERR "Malformed %s value\n", name); return 0; @@ -921,10 +951,12 @@ find_memmap_space (void) if (!efi_wb(md)) { continue; } - if (pmd == NULL || !efi_wb(pmd) || efi_md_end(pmd) != md->phys_addr) { + if (pmd == NULL || !efi_wb(pmd) || + efi_md_end(pmd) != md->phys_addr) { contig_low = GRANULEROUNDUP(md->phys_addr); contig_high = efi_md_end(md); - for (q = p + efi_desc_size; q < efi_map_end; q += efi_desc_size) { + for (q = p + efi_desc_size; q < efi_map_end; + q += efi_desc_size) { check_md = q; if (!efi_wb(check_md)) break; @@ -988,8 +1020,9 @@ efi_memmap_init(unsigned long *s, unsigned long *e) for (p = efi_map_start; p < efi_map_end; pmd = md, p += efi_desc_size) { md = p; if (!efi_wb(md)) { - if (efi_uc(md) && (md->type == EFI_CONVENTIONAL_MEMORY || - md->type == EFI_BOOT_SERVICES_DATA)) { + if (efi_uc(md) && + (md->type == EFI_CONVENTIONAL_MEMORY || + md->type == EFI_BOOT_SERVICES_DATA)) { k->attribute = EFI_MEMORY_UC; k->start = md->phys_addr; k->num_pages = md->num_pages; @@ -997,10 +1030,12 @@ efi_memmap_init(unsigned long *s, unsigned long *e) } continue; } - if (pmd == NULL || !efi_wb(pmd) || efi_md_end(pmd) != md->phys_addr) { + if (pmd == NULL || !efi_wb(pmd) || + efi_md_end(pmd) != md->phys_addr) { contig_low = GRANULEROUNDUP(md->phys_addr); contig_high = efi_md_end(md); - for (q = p + efi_desc_size; q < efi_map_end; q += efi_desc_size) { + for (q = p + efi_desc_size; q < efi_map_end; + q += efi_desc_size) { check_md = q; if (!efi_wb(check_md)) break; @@ -1025,13 +1060,17 @@ efi_memmap_init(unsigned long *s, unsigned long *e) if (md->phys_addr < contig_low) { lim = min(efi_md_end(md), contig_low); if (efi_uc(md)) { - if (k > kern_memmap && (k-1)->attribute == EFI_MEMORY_UC && + if (k > kern_memmap && + (k-1)->attribute == EFI_MEMORY_UC && kmd_end(k-1) == md->phys_addr) { - (k-1)->num_pages += (lim - md->phys_addr) >> EFI_PAGE_SHIFT; + (k-1)->num_pages += + (lim - md->phys_addr) + >> EFI_PAGE_SHIFT; } else { k->attribute = EFI_MEMORY_UC; k->start = md->phys_addr; - k->num_pages = (lim - md->phys_addr) >> EFI_PAGE_SHIFT; + k->num_pages = (lim - md->phys_addr) + >> EFI_PAGE_SHIFT; k++; } } @@ -1049,7 +1088,8 @@ efi_memmap_init(unsigned long *s, unsigned long *e) } else { k->attribute = EFI_MEMORY_UC; k->start = lim; - k->num_pages = (efi_md_end(md) - lim) >> EFI_PAGE_SHIFT; + k->num_pages = (efi_md_end(md) - lim) + >> EFI_PAGE_SHIFT; k++; } } @@ -1151,8 +1191,10 @@ efi_initialize_iomem_resources(struct resource *code_resource, break; } - if ((res = kzalloc(sizeof(struct resource), GFP_KERNEL)) == NULL) { - printk(KERN_ERR "failed to alocate resource for iomem\n"); + if ((res = kzalloc(sizeof(struct resource), + GFP_KERNEL)) == NULL) { + printk(KERN_ERR + "failed to allocate resource for iomem\n"); return; } @@ -1187,44 +1229,44 @@ efi_initialize_iomem_resources(struct resource *code_resource, rsvd_regions are sorted */ unsigned long __init -kdump_find_rsvd_region (unsigned long size, - struct rsvd_region *r, int n) +kdump_find_rsvd_region (unsigned long size, struct rsvd_region *r, int n) { - int i; - u64 start, end; - u64 alignment = 1UL << _PAGE_SIZE_64M; - void *efi_map_start, *efi_map_end, *p; - efi_memory_desc_t *md; - u64 efi_desc_size; - - efi_map_start = __va(ia64_boot_param->efi_memmap); - efi_map_end = efi_map_start + ia64_boot_param->efi_memmap_size; - efi_desc_size = ia64_boot_param->efi_memdesc_size; - - for (p = efi_map_start; p < efi_map_end; p += efi_desc_size) { - md = p; - if (!efi_wb(md)) - continue; - start = ALIGN(md->phys_addr, alignment); - end = efi_md_end(md); - for (i = 0; i < n; i++) { - if (__pa(r[i].start) >= start && __pa(r[i].end) < end) { - if (__pa(r[i].start) > start + size) - return start; - start = ALIGN(__pa(r[i].end), alignment); - if (i < n-1 && __pa(r[i+1].start) < start + size) - continue; - else - break; + int i; + u64 start, end; + u64 alignment = 1UL << _PAGE_SIZE_64M; + void *efi_map_start, *efi_map_end, *p; + efi_memory_desc_t *md; + u64 efi_desc_size; + + efi_map_start = __va(ia64_boot_param->efi_memmap); + efi_map_end = efi_map_start + ia64_boot_param->efi_memmap_size; + efi_desc_size = ia64_boot_param->efi_memdesc_size; + + for (p = efi_map_start; p < efi_map_end; p += efi_desc_size) { + md = p; + if (!efi_wb(md)) + continue; + start = ALIGN(md->phys_addr, alignment); + end = efi_md_end(md); + for (i = 0; i < n; i++) { + if (__pa(r[i].start) >= start && __pa(r[i].end) < end) { + if (__pa(r[i].start) > start + size) + return start; + start = ALIGN(__pa(r[i].end), alignment); + if (i < n-1 && + __pa(r[i+1].start) < start + size) + continue; + else + break; + } } - } - if (end > start + size) - return start; - } - - printk(KERN_WARNING "Cannot reserve 0x%lx byte of memory for crashdump\n", - size); - return ~0UL; + if (end > start + size) + return start; + } + + printk(KERN_WARNING + "Cannot reserve 0x%lx byte of memory for crashdump\n", size); + return ~0UL; } #endif diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S index c36f43c94600..f5d3efbfbeda 100644 --- a/arch/ia64/kernel/entry.S +++ b/arch/ia64/kernel/entry.S @@ -1586,7 +1586,7 @@ sys_call_table: data8 sys_epoll_pwait // 1305 data8 sys_utimensat data8 sys_signalfd - data8 sys_timerfd + data8 sys_ni_syscall data8 sys_eventfd .org sys_call_table + 8*NR_syscalls // guard against failures to increase NR_syscalls diff --git a/arch/ia64/kernel/fsyscall_gtod_data.h b/arch/ia64/kernel/fsyscall_gtod_data.h index 490dab55fba3..57d2ee6c83e1 100644 --- a/arch/ia64/kernel/fsyscall_gtod_data.h +++ b/arch/ia64/kernel/fsyscall_gtod_data.h @@ -14,10 +14,10 @@ struct fsyscall_gtod_data_t { u32 clk_shift; void *clk_fsys_mmio; cycle_t clk_cycle_last; -} __attribute__ ((aligned (L1_CACHE_BYTES))); +} ____cacheline_aligned; struct itc_jitter_data_t { int itc_jitter; cycle_t itc_lastcycle; -} __attribute__ ((aligned (L1_CACHE_BYTES))); +} ____cacheline_aligned; diff --git a/arch/ia64/kernel/ia64_ksyms.c b/arch/ia64/kernel/ia64_ksyms.c index c3b4412ccc67..8e7193d55528 100644 --- a/arch/ia64/kernel/ia64_ksyms.c +++ b/arch/ia64/kernel/ia64_ksyms.c @@ -12,6 +12,9 @@ EXPORT_SYMBOL(memset); EXPORT_SYMBOL(memcpy); EXPORT_SYMBOL(strlen); +#include<asm/pgtable.h> +EXPORT_SYMBOL_GPL(empty_zero_page); + #include <asm/checksum.h> EXPORT_SYMBOL(ip_fast_csum); /* hand-coded assembly */ EXPORT_SYMBOL(csum_ipv6_magic); diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c index fc4d2676264f..b618487cdc85 100644 --- a/arch/ia64/kernel/kprobes.c +++ b/arch/ia64/kernel/kprobes.c @@ -381,9 +381,10 @@ static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb) static void __kprobes restore_previous_kprobe(struct kprobe_ctlblk *kcb) { unsigned int i; - i = atomic_sub_return(1, &kcb->prev_kprobe_index); - __get_cpu_var(current_kprobe) = kcb->prev_kprobe[i].kp; - kcb->kprobe_status = kcb->prev_kprobe[i].status; + i = atomic_read(&kcb->prev_kprobe_index); + __get_cpu_var(current_kprobe) = kcb->prev_kprobe[i-1].kp; + kcb->kprobe_status = kcb->prev_kprobe[i-1].status; + atomic_sub(1, &kcb->prev_kprobe_index); } static void __kprobes set_current_kprobe(struct kprobe *p, diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c index 6dbf5919d2d0..846e7e036b13 100644 --- a/arch/ia64/kernel/mca.c +++ b/arch/ia64/kernel/mca.c @@ -2,61 +2,69 @@ * File: mca.c * Purpose: Generic MCA handling layer * - * Updated for latest kernel * Copyright (C) 2003 Hewlett-Packard Co * David Mosberger-Tang <davidm@hpl.hp.com> * * Copyright (C) 2002 Dell Inc. - * Copyright (C) Matt Domsch (Matt_Domsch@dell.com) + * Copyright (C) Matt Domsch <Matt_Domsch@dell.com> * * Copyright (C) 2002 Intel - * Copyright (C) Jenna Hall (jenna.s.hall@intel.com) + * Copyright (C) Jenna Hall <jenna.s.hall@intel.com> * * Copyright (C) 2001 Intel - * Copyright (C) Fred Lewis (frederick.v.lewis@intel.com) + * Copyright (C) Fred Lewis <frederick.v.lewis@intel.com> * * Copyright (C) 2000 Intel - * Copyright (C) Chuck Fleckenstein (cfleck@co.intel.com) + * Copyright (C) Chuck Fleckenstein <cfleck@co.intel.com> * * Copyright (C) 1999, 2004 Silicon Graphics, Inc. - * Copyright (C) Vijay Chander(vijay@engr.sgi.com) + * Copyright (C) Vijay Chander <vijay@engr.sgi.com> * - * 03/04/15 D. Mosberger Added INIT backtrace support. - * 02/03/25 M. Domsch GUID cleanups + * Copyright (C) 2006 FUJITSU LIMITED + * Copyright (C) Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> * - * 02/01/04 J. Hall Aligned MCA stack to 16 bytes, added platform vs. CPU - * error flag, set SAL default return values, changed - * error record structure to linked list, added init call - * to sal_get_state_info_size(). + * 2000-03-29 Chuck Fleckenstein <cfleck@co.intel.com> + * Fixed PAL/SAL update issues, began MCA bug fixes, logging issues, + * added min save state dump, added INIT handler. * - * 01/01/03 F. Lewis Added setup of CMCI and CPEI IRQs, logging of corrected - * platform errors, completed code for logging of - * corrected & uncorrected machine check errors, and - * updated for conformance with Nov. 2000 revision of the - * SAL 3.0 spec. - * 00/03/29 C. Fleckenstein Fixed PAL/SAL update issues, began MCA bug fixes, logging issues, - * added min save state dump, added INIT handler. + * 2001-01-03 Fred Lewis <frederick.v.lewis@intel.com> + * Added setup of CMCI and CPEI IRQs, logging of corrected platform + * errors, completed code for logging of corrected & uncorrected + * machine check errors, and updated for conformance with Nov. 2000 + * revision of the SAL 3.0 spec. + * + * 2002-01-04 Jenna Hall <jenna.s.hall@intel.com> + * Aligned MCA stack to 16 bytes, added platform vs. CPU error flag, + * set SAL default return values, changed error record structure to + * linked list, added init call to sal_get_state_info_size(). + * + * 2002-03-25 Matt Domsch <Matt_Domsch@dell.com> + * GUID cleanups. + * + * 2003-04-15 David Mosberger-Tang <davidm@hpl.hp.com> + * Added INIT backtrace support. * * 2003-12-08 Keith Owens <kaos@sgi.com> - * smp_call_function() must not be called from interrupt context (can - * deadlock on tasklist_lock). Use keventd to call smp_call_function(). + * smp_call_function() must not be called from interrupt context + * (can deadlock on tasklist_lock). + * Use keventd to call smp_call_function(). * * 2004-02-01 Keith Owens <kaos@sgi.com> - * Avoid deadlock when using printk() for MCA and INIT records. - * Delete all record printing code, moved to salinfo_decode in user space. - * Mark variables and functions static where possible. - * Delete dead variables and functions. - * Reorder to remove the need for forward declarations and to consolidate - * related code. + * Avoid deadlock when using printk() for MCA and INIT records. + * Delete all record printing code, moved to salinfo_decode in user + * space. Mark variables and functions static where possible. + * Delete dead variables and functions. Reorder to remove the need + * for forward declarations and to consolidate related code. * * 2005-08-12 Keith Owens <kaos@sgi.com> - * Convert MCA/INIT handlers to use per event stacks and SAL/OS state. + * Convert MCA/INIT handlers to use per event stacks and SAL/OS + * state. * * 2005-10-07 Keith Owens <kaos@sgi.com> * Add notify_die() hooks. * * 2006-09-15 Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> - * Add printing support for MCA/INIT. + * Add printing support for MCA/INIT. * * 2007-04-27 Russ Anderson <rja@sgi.com> * Support multiple cpus going through OS_MCA in the same event. diff --git a/arch/ia64/kernel/mca_asm.S b/arch/ia64/kernel/mca_asm.S index 0f5965fcdf85..8bc7d259e0c6 100644 --- a/arch/ia64/kernel/mca_asm.S +++ b/arch/ia64/kernel/mca_asm.S @@ -1,24 +1,28 @@ -// -// assembly portion of the IA64 MCA handling -// -// Mods by cfleck to integrate into kernel build -// 00/03/15 davidm Added various stop bits to get a clean compile -// -// 00/03/29 cfleck Added code to save INIT handoff state in pt_regs format, switch to temp -// kstack, switch modes, jump to C INIT handler -// -// 02/01/04 J.Hall <jenna.s.hall@intel.com> -// Before entering virtual mode code: -// 1. Check for TLB CPU error -// 2. Restore current thread pointer to kr6 -// 3. Move stack ptr 16 bytes to conform to C calling convention -// -// 04/11/12 Russ Anderson <rja@sgi.com> -// Added per cpu MCA/INIT stack save areas. -// -// 12/08/05 Keith Owens <kaos@sgi.com> -// Use per cpu MCA/INIT stacks for all data. -// +/* + * File: mca_asm.S + * Purpose: assembly portion of the IA64 MCA handling + * + * Mods by cfleck to integrate into kernel build + * + * 2000-03-15 David Mosberger-Tang <davidm@hpl.hp.com> + * Added various stop bits to get a clean compile + * + * 2000-03-29 Chuck Fleckenstein <cfleck@co.intel.com> + * Added code to save INIT handoff state in pt_regs format, + * switch to temp kstack, switch modes, jump to C INIT handler + * + * 2002-01-04 J.Hall <jenna.s.hall@intel.com> + * Before entering virtual mode code: + * 1. Check for TLB CPU error + * 2. Restore current thread pointer to kr6 + * 3. Move stack ptr 16 bytes to conform to C calling convention + * + * 2004-11-12 Russ Anderson <rja@sgi.com> + * Added per cpu MCA/INIT stack save areas. + * + * 2005-12-08 Keith Owens <kaos@sgi.com> + * Use per cpu MCA/INIT stacks for all data. + */ #include <linux/threads.h> #include <asm/asmmacro.h> diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c index aba813c2c150..fab1d21a4f2c 100644 --- a/arch/ia64/kernel/mca_drv.c +++ b/arch/ia64/kernel/mca_drv.c @@ -3,7 +3,7 @@ * Purpose: Generic MCA handling layer * * Copyright (C) 2004 FUJITSU LIMITED - * Copyright (C) Hidetoshi Seto (seto.hidetoshi@jp.fujitsu.com) + * Copyright (C) 2004 Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> * Copyright (C) 2005 Silicon Graphics, Inc * Copyright (C) 2005 Keith Owens <kaos@sgi.com> * Copyright (C) 2006 Russ Anderson <rja@sgi.com> diff --git a/arch/ia64/kernel/mca_drv.h b/arch/ia64/kernel/mca_drv.h index 485e34d0b199..53b8ecb5b4b9 100644 --- a/arch/ia64/kernel/mca_drv.h +++ b/arch/ia64/kernel/mca_drv.h @@ -3,7 +3,7 @@ * Purpose: Define helpers for Generic MCA handling * * Copyright (C) 2004 FUJITSU LIMITED - * Copyright (C) Hidetoshi Seto (seto.hidetoshi@jp.fujitsu.com) + * Copyright (C) 2004 Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> */ /* * Processor error section: diff --git a/arch/ia64/kernel/mca_drv_asm.S b/arch/ia64/kernel/mca_drv_asm.S index 3bccb06c8d21..767ac2c20d16 100644 --- a/arch/ia64/kernel/mca_drv_asm.S +++ b/arch/ia64/kernel/mca_drv_asm.S @@ -3,7 +3,7 @@ * Purpose: Assembly portion of Generic MCA handling * * Copyright (C) 2004 FUJITSU LIMITED - * Copyright (C) Hidetoshi Seto (seto.hidetoshi@jp.fujitsu.com) + * Copyright (C) 2004 Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> */ #include <linux/threads.h> diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c index 196287928bae..e58f4367cf11 100644 --- a/arch/ia64/kernel/module.c +++ b/arch/ia64/kernel/module.c @@ -940,14 +940,3 @@ module_arch_cleanup (struct module *mod) if (mod->arch.core_unw_table) unw_remove_unwind_table(mod->arch.core_unw_table); } - -#ifdef CONFIG_SMP -void -percpu_modcopy (void *pcpudst, const void *src, unsigned long size) -{ - unsigned int i; - for_each_possible_cpu(i) { - memcpy(pcpudst + __per_cpu_offset[i], src, size); - } -} -#endif /* CONFIG_SMP */ diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c index 73e7c2e40b54..78acd9fe97e9 100644 --- a/arch/ia64/kernel/perfmon.c +++ b/arch/ia64/kernel/perfmon.c @@ -2631,7 +2631,7 @@ pfm_task_incompatible(pfm_context_t *ctx, struct task_struct *task) */ if (task == current) return 0; - if ((task->state != TASK_STOPPED) && (task->state != TASK_TRACED)) { + if (!task_is_stopped_or_traced(task)) { DPRINT(("cannot attach to non-stopped task [%d] state=%ld\n", task_pid_nr(task), task->state)); return -EBUSY; } @@ -2654,11 +2654,11 @@ pfm_get_task(pfm_context_t *ctx, pid_t pid, struct task_struct **task) /* XXX: need to add more checks here */ if (pid < 2) return -EPERM; - if (pid != current->pid) { + if (pid != task_pid_vnr(current)) { read_lock(&tasklist_lock); - p = find_task_by_pid(pid); + p = find_task_by_vpid(pid); /* make sure task cannot go away while we operate on it */ if (p) get_task_struct(p); @@ -4792,7 +4792,7 @@ recheck: * the task must be stopped. */ if (PFM_CMD_STOPPED(cmd)) { - if ((task->state != TASK_STOPPED) && (task->state != TASK_TRACED)) { + if (!task_is_stopped_or_traced(task)) { DPRINT(("[%d] task not in stopped state\n", task_pid_nr(task))); return -EBUSY; } @@ -5795,7 +5795,7 @@ pfm_proc_show(struct seq_file *m, void *v) return 0; } -struct seq_operations pfm_seq_ops = { +const struct seq_operations pfm_seq_ops = { .start = pfm_proc_start, .next = pfm_proc_next, .stop = pfm_proc_stop, diff --git a/arch/ia64/kernel/sal.c b/arch/ia64/kernel/sal.c index 27c2ef445a56..f44fe8412162 100644 --- a/arch/ia64/kernel/sal.c +++ b/arch/ia64/kernel/sal.c @@ -284,6 +284,7 @@ ia64_sal_cache_flush (u64 cache_type) SAL_CALL(isrv, SAL_CACHE_FLUSH, cache_type, 0, 0, 0, 0, 0, 0); return isrv.status; } +EXPORT_SYMBOL_GPL(ia64_sal_cache_flush); void __init ia64_sal_init (struct ia64_sal_systab *systab) @@ -372,3 +373,16 @@ ia64_sal_oemcall_reentrant(struct ia64_sal_retval *isrvp, u64 oemfunc, return 0; } EXPORT_SYMBOL(ia64_sal_oemcall_reentrant); + +long +ia64_sal_freq_base (unsigned long which, unsigned long *ticks_per_second, + unsigned long *drift_info) +{ + struct ia64_sal_retval isrv; + + SAL_CALL(isrv, SAL_FREQ_BASE, which, 0, 0, 0, 0, 0, 0); + *ticks_per_second = isrv.v0; + *drift_info = isrv.v1; + return isrv.status; +} +EXPORT_SYMBOL_GPL(ia64_sal_freq_base); diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c index 4ac2b1f1bd3b..ebd1a09f3201 100644 --- a/arch/ia64/kernel/setup.c +++ b/arch/ia64/kernel/setup.c @@ -71,8 +71,6 @@ unsigned long __per_cpu_offset[NR_CPUS]; EXPORT_SYMBOL(__per_cpu_offset); #endif -extern void ia64_setup_printk_clock(void); - DEFINE_PER_CPU(struct cpuinfo_ia64, cpu_info); DEFINE_PER_CPU(unsigned long, local_per_cpu_offset); unsigned long ia64_cycles_per_usec; @@ -507,8 +505,6 @@ setup_arch (char **cmdline_p) /* process SAL system table: */ ia64_sal_init(__va(efi.sal_systab)); - ia64_setup_printk_clock(); - #ifdef CONFIG_SMP cpu_physical_id(0) = hard_smp_processor_id(); #endif @@ -658,7 +654,7 @@ c_stop (struct seq_file *m, void *v) { } -struct seq_operations cpuinfo_op = { +const struct seq_operations cpuinfo_op = { .start = c_start, .next = c_next, .stop = c_stop, diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c index f0fc4d8465ad..32ee5979a042 100644 --- a/arch/ia64/kernel/smpboot.c +++ b/arch/ia64/kernel/smpboot.c @@ -120,7 +120,6 @@ static volatile unsigned long go[SLAVE + 1]; #define DEBUG_ITC_SYNC 0 -extern void __devinit calibrate_delay (void); extern void start_ap (void); extern unsigned long ia64_iobase; @@ -477,7 +476,7 @@ start_secondary (void *unused) return 0; } -struct pt_regs * __devinit idle_regs(struct pt_regs *regs) +struct pt_regs * __cpuinit idle_regs(struct pt_regs *regs) { return NULL; } @@ -767,17 +766,6 @@ void __cpu_die(unsigned int cpu) } printk(KERN_ERR "CPU %u didn't die...\n", cpu); } -#else /* !CONFIG_HOTPLUG_CPU */ -int __cpu_disable(void) -{ - return -ENOSYS; -} - -void __cpu_die(unsigned int cpu) -{ - /* We said "no" in __cpu_disable */ - BUG(); -} #endif /* CONFIG_HOTPLUG_CPU */ void diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 2bb84214e5f1..3ab042720970 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -344,33 +344,6 @@ udelay (unsigned long usecs) } EXPORT_SYMBOL(udelay); -static unsigned long long ia64_itc_printk_clock(void) -{ - if (ia64_get_kr(IA64_KR_PER_CPU_DATA)) - return sched_clock(); - return 0; -} - -static unsigned long long ia64_default_printk_clock(void) -{ - return (unsigned long long)(jiffies_64 - INITIAL_JIFFIES) * - (1000000000/HZ); -} - -unsigned long long (*ia64_printk_clock)(void) = &ia64_default_printk_clock; - -unsigned long long printk_clock(void) -{ - return ia64_printk_clock(); -} - -void __init -ia64_setup_printk_clock(void) -{ - if (!(sal_platform_features & IA64_SAL_PLATFORM_FEATURE_ITC_DRIFT)) - ia64_printk_clock = ia64_itc_printk_clock; -} - /* IA64 doesn't cache the timezone */ void update_vsyscall_tz(void) { diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c index 14261fee5f4d..a2484fc1a06c 100644 --- a/arch/ia64/kernel/topology.c +++ b/arch/ia64/kernel/topology.c @@ -354,27 +354,27 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev) if (unlikely(retval < 0)) return retval; - all_cpu_cache_info[cpu].kobj.parent = &sys_dev->kobj; - kobject_set_name(&all_cpu_cache_info[cpu].kobj, "%s", "cache"); - all_cpu_cache_info[cpu].kobj.ktype = &cache_ktype_percpu_entry; - retval = kobject_register(&all_cpu_cache_info[cpu].kobj); + retval = kobject_init_and_add(&all_cpu_cache_info[cpu].kobj, + &cache_ktype_percpu_entry, &sys_dev->kobj, + "%s", "cache"); for (i = 0; i < all_cpu_cache_info[cpu].num_cache_leaves; i++) { this_object = LEAF_KOBJECT_PTR(cpu,i); - this_object->kobj.parent = &all_cpu_cache_info[cpu].kobj; - kobject_set_name(&(this_object->kobj), "index%1lu", i); - this_object->kobj.ktype = &cache_ktype; - retval = kobject_register(&(this_object->kobj)); + retval = kobject_init_and_add(&(this_object->kobj), + &cache_ktype, + &all_cpu_cache_info[cpu].kobj, + "index%1lu", i); if (unlikely(retval)) { for (j = 0; j < i; j++) { - kobject_unregister( - &(LEAF_KOBJECT_PTR(cpu,j)->kobj)); + kobject_put(&(LEAF_KOBJECT_PTR(cpu,j)->kobj)); } - kobject_unregister(&all_cpu_cache_info[cpu].kobj); + kobject_put(&all_cpu_cache_info[cpu].kobj); cpu_cache_sysfs_exit(cpu); break; } + kobject_uevent(&(this_object->kobj), KOBJ_ADD); } + kobject_uevent(&all_cpu_cache_info[cpu].kobj, KOBJ_ADD); return retval; } @@ -385,10 +385,10 @@ static int __cpuinit cache_remove_dev(struct sys_device * sys_dev) unsigned long i; for (i = 0; i < all_cpu_cache_info[cpu].num_cache_leaves; i++) - kobject_unregister(&(LEAF_KOBJECT_PTR(cpu,i)->kobj)); + kobject_put(&(LEAF_KOBJECT_PTR(cpu,i)->kobj)); if (all_cpu_cache_info[cpu].kobj.parent) { - kobject_unregister(&all_cpu_cache_info[cpu].kobj); + kobject_put(&all_cpu_cache_info[cpu].kobj); memset(&all_cpu_cache_info[cpu].kobj, 0, sizeof(struct kobject)); diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c index 78d65cb947d2..f0cda765e681 100644 --- a/arch/ia64/kernel/traps.c +++ b/arch/ia64/kernel/traps.c @@ -35,7 +35,7 @@ trap_init (void) fpswa_interface = __va(ia64_boot_param->fpswa); } -void +int die (const char *str, struct pt_regs *regs, long err) { static struct { @@ -62,8 +62,11 @@ die (const char *str, struct pt_regs *regs, long err) if (++die.lock_owner_depth < 3) { printk("%s[%d]: %s %ld [%d]\n", current->comm, task_pid_nr(current), str, err, ++die_counter); - (void) notify_die(DIE_OOPS, (char *)str, regs, err, 255, SIGSEGV); - show_regs(regs); + if (notify_die(DIE_OOPS, str, regs, err, 255, SIGSEGV) + != NOTIFY_STOP) + show_regs(regs); + else + regs = NULL; } else printk(KERN_ERR "Recursive die() failure, output suppressed\n"); @@ -72,17 +75,22 @@ die (const char *str, struct pt_regs *regs, long err) add_taint(TAINT_DIE); spin_unlock_irq(&die.lock); + if (!regs) + return 1; + if (panic_on_oops) panic("Fatal exception"); do_exit(SIGSEGV); + return 0; } -void +int die_if_kernel (char *str, struct pt_regs *regs, long err) { if (!user_mode(regs)) - die(str, regs, err); + return die(str, regs, err); + return 0; } void @@ -102,7 +110,8 @@ __kprobes ia64_bad_break (unsigned long break_num, struct pt_regs *regs) if (notify_die(DIE_BREAK, "break 0", regs, break_num, TRAP_BRKPT, SIGTRAP) == NOTIFY_STOP) return; - die_if_kernel("bugcheck!", regs, break_num); + if (die_if_kernel("bugcheck!", regs, break_num)) + return; sig = SIGILL; code = ILL_ILLOPC; break; @@ -155,8 +164,9 @@ __kprobes ia64_bad_break (unsigned long break_num, struct pt_regs *regs) break; default: - if (break_num < 0x40000 || break_num > 0x100000) - die_if_kernel("Bad break", regs, break_num); + if ((break_num < 0x40000 || break_num > 0x100000) + && die_if_kernel("Bad break", regs, break_num)) + return; if (break_num < 0x80000) { sig = SIGILL; code = __ILL_BREAK; @@ -402,14 +412,15 @@ ia64_illegal_op_fault (unsigned long ec, long arg1, long arg2, long arg3, #endif sprintf(buf, "IA-64 Illegal operation fault"); - die_if_kernel(buf, ®s, 0); + rv.fkt = 0; + if (die_if_kernel(buf, ®s, 0)) + return rv; memset(&si, 0, sizeof(si)); si.si_signo = SIGILL; si.si_code = ILL_ILLOPC; si.si_addr = (void __user *) (regs.cr_iip + ia64_psr(®s)->ri); force_sig_info(SIGILL, &si, current); - rv.fkt = 0; return rv; } @@ -644,6 +655,6 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa, sprintf(buf, "Fault %lu", vector); break; } - die_if_kernel(buf, ®s, error); - force_sig(SIGILL, current); + if (!die_if_kernel(buf, ®s, error)) + force_sig(SIGILL, current); } diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c index 2173de9fe917..52f70bbc192a 100644 --- a/arch/ia64/kernel/unaligned.c +++ b/arch/ia64/kernel/unaligned.c @@ -23,7 +23,7 @@ #include <asm/uaccess.h> #include <asm/unaligned.h> -extern void die_if_kernel(char *str, struct pt_regs *regs, long err); +extern int die_if_kernel(char *str, struct pt_regs *regs, long err); #undef DEBUG_UNALIGNED_TRAP @@ -675,8 +675,9 @@ emulate_load_updates (update_t type, load_store_t ld, struct pt_regs *regs, unsi */ if (ld.x6_op == 1 || ld.x6_op == 3) { printk(KERN_ERR "%s: register update on speculative load, error\n", __FUNCTION__); - die_if_kernel("unaligned reference on speculative load with register update\n", - regs, 30); + if (die_if_kernel("unaligned reference on speculative load with register update\n", + regs, 30)) + return; } @@ -1317,7 +1318,8 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs) if (ia64_psr(regs)->be) { /* we don't support big-endian accesses */ - die_if_kernel("big-endian unaligned accesses are not supported", regs, 0); + if (die_if_kernel("big-endian unaligned accesses are not supported", regs, 0)) + return; goto force_sigbus; } @@ -1488,16 +1490,19 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs) case LDFA_OP: case LDFCCLR_OP: case LDFCNC_OP: - case LDF_IMM_OP: - case LDFA_IMM_OP: - case LDFCCLR_IMM_OP: - case LDFCNC_IMM_OP: if (u.insn.x) ret = emulate_load_floatpair(ifa, u.insn, regs); else ret = emulate_load_float(ifa, u.insn, regs); break; + case LDF_IMM_OP: + case LDFA_IMM_OP: + case LDFCCLR_IMM_OP: + case LDFCNC_IMM_OP: + ret = emulate_load_float(ifa, u.insn, regs); + break; + case STF_OP: case STF_IMM_OP: ret = emulate_store_float(ifa, u.insn, regs); @@ -1531,7 +1536,8 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs) ia64_handle_exception(regs, eh); goto done; } - die_if_kernel("error during unaligned kernel access\n", regs, ret); + if (die_if_kernel("error during unaligned kernel access\n", regs, ret)) + return; /* NOT_REACHED */ } force_sigbus: diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S index 757e419ebcf8..80622acc95de 100644 --- a/arch/ia64/kernel/vmlinux.lds.S +++ b/arch/ia64/kernel/vmlinux.lds.S @@ -27,8 +27,8 @@ SECTIONS { /* Sections to be discarded */ /DISCARD/ : { - *(.exit.text) - *(.exit.data) + EXIT_TEXT + EXIT_DATA *(.exitcall.exit) *(.IA_64.unwind.exit.text) *(.IA_64.unwind_info.exit.text) @@ -119,12 +119,12 @@ SECTIONS .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) { _sinittext = .; - *(.init.text) + INIT_TEXT _einittext = .; } .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) - { *(.init.data) } + { INIT_DATA } #ifdef CONFIG_BLK_DEV_INITRD .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c index 7571076a16a1..3e69881648a3 100644 --- a/arch/ia64/mm/fault.c +++ b/arch/ia64/mm/fault.c @@ -16,7 +16,7 @@ #include <asm/system.h> #include <asm/uaccess.h> -extern void die (char *, struct pt_regs *, long); +extern int die(char *, struct pt_regs *, long); #ifdef CONFIG_KPROBES static inline int notify_page_fault(struct pt_regs *regs, int trap) @@ -267,9 +267,11 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re else printk(KERN_ALERT "Unable to handle kernel paging request at " "virtual address %016lx\n", address); - die("Oops", regs, isr); + if (die("Oops", regs, isr)) + regs = NULL; bust_spinlocks(0); - do_exit(SIGKILL); + if (regs) + do_exit(SIGKILL); return; out_of_memory: diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c index 1f38a3a68390..bb1d24929640 100644 --- a/arch/ia64/sn/kernel/setup.c +++ b/arch/ia64/sn/kernel/setup.c @@ -64,7 +64,6 @@ extern void sn_timer_init(void); extern unsigned long last_time_offset; extern void (*ia64_mark_idle) (int); extern void snidle(int); -extern unsigned long long (*ia64_printk_clock)(void); unsigned long sn_rtc_cycles_per_second; EXPORT_SYMBOL(sn_rtc_cycles_per_second); @@ -360,14 +359,6 @@ sn_scan_pcdp(void) static unsigned long sn2_rtc_initial; -static unsigned long long ia64_sn2_printk_clock(void) -{ - unsigned long rtc_now = rtc_time(); - - return (rtc_now - sn2_rtc_initial) * - (1000000000 / sn_rtc_cycles_per_second); -} - /** * sn_setup - SN platform setup routine * @cmdline_p: kernel command line @@ -468,8 +459,6 @@ void __init sn_setup(char **cmdline_p) platform_intr_list[ACPI_INTERRUPT_CPEI] = IA64_CPE_VECTOR; - ia64_printk_clock = ia64_sn2_printk_clock; - printk("SGI SAL version %x.%02x\n", version >> 8, version & 0x00FF); /* diff --git a/arch/ia64/sn/kernel/sn2/sn2_smp.c b/arch/ia64/sn/kernel/sn2/sn2_smp.c index f3c69329e145..dfc6bf1c7b41 100644 --- a/arch/ia64/sn/kernel/sn2/sn2_smp.c +++ b/arch/ia64/sn/kernel/sn2/sn2_smp.c @@ -523,7 +523,7 @@ static ssize_t sn2_ptc_proc_write(struct file *file, const char __user *user, si return count; } -static struct seq_operations sn2_ptc_seq_ops = { +static const struct seq_operations sn2_ptc_seq_ops = { .start = sn2_ptc_seq_start, .next = sn2_ptc_seq_next, .stop = sn2_ptc_seq_stop, diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c index 1a8e49607f11..4b0d1538e7e5 100644 --- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c +++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c @@ -33,6 +33,7 @@ #include <linux/smp_lock.h> #include <linux/nodemask.h> #include <linux/smp.h> +#include <linux/mutex.h> #include <asm/processor.h> #include <asm/topology.h> @@ -50,7 +51,7 @@ static void *sn_hwperf_salheap = NULL; static int sn_hwperf_obj_cnt = 0; static nasid_t sn_hwperf_master_nasid = INVALID_NASID; static int sn_hwperf_init(void); -static DECLARE_MUTEX(sn_hwperf_init_mutex); +static DEFINE_MUTEX(sn_hwperf_init_mutex); #define cnode_possible(n) ((n) < num_cnodes) @@ -577,7 +578,7 @@ static void sn_topology_stop(struct seq_file *m, void *v) /* * /proc/sgi_sn/sn_topology, read-only using seq_file */ -static struct seq_operations sn_topology_seq_ops = { +static const struct seq_operations sn_topology_seq_ops = { .start = sn_topology_start, .next = sn_topology_next, .stop = sn_topology_stop, @@ -884,10 +885,10 @@ static int sn_hwperf_init(void) int e = 0; /* single threaded, once-only initialization */ - down(&sn_hwperf_init_mutex); + mutex_lock(&sn_hwperf_init_mutex); if (sn_hwperf_salheap) { - up(&sn_hwperf_init_mutex); + mutex_unlock(&sn_hwperf_init_mutex); return e; } @@ -936,7 +937,7 @@ out: sn_hwperf_salheap = NULL; sn_hwperf_obj_cnt = 0; } - up(&sn_hwperf_init_mutex); + mutex_unlock(&sn_hwperf_init_mutex); return e; } diff --git a/arch/ia64/sn/pci/pcibr/pcibr_provider.c b/arch/ia64/sn/pci/pcibr/pcibr_provider.c index ab3eaf85fe4d..2c676cc05418 100644 --- a/arch/ia64/sn/pci/pcibr/pcibr_provider.c +++ b/arch/ia64/sn/pci/pcibr/pcibr_provider.c @@ -100,11 +100,11 @@ u16 sn_ioboard_to_pci_bus(struct pci_bus *pci_bus) static irqreturn_t pcibr_error_intr_handler(int irq, void *arg) { - struct pcibus_info *soft = (struct pcibus_info *)arg; + struct pcibus_info *soft = arg; - if (sal_pcibr_error_interrupt(soft) < 0) { + if (sal_pcibr_error_interrupt(soft) < 0) panic("pcibr_error_intr_handler(): Fatal Bridge Error"); - } + return IRQ_HANDLED; } |
