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-rw-r--r--arch/ia64/hp/common/sba_iommu.c2
-rw-r--r--arch/ia64/ia32/ia32_support.c5
-rw-r--r--arch/ia64/kernel/efi.c502
-rw-r--r--arch/ia64/kernel/fsyscall_gtod_data.h4
-rw-r--r--arch/ia64/kernel/ia64_ksyms.c3
-rw-r--r--arch/ia64/kernel/kprobes.c7
-rw-r--r--arch/ia64/kernel/mca.c66
-rw-r--r--arch/ia64/kernel/mca_asm.S46
-rw-r--r--arch/ia64/kernel/mca_drv.c2
-rw-r--r--arch/ia64/kernel/mca_drv.h2
-rw-r--r--arch/ia64/kernel/mca_drv_asm.S2
-rw-r--r--arch/ia64/kernel/perfmon.c6
-rw-r--r--arch/ia64/kernel/sal.c14
-rw-r--r--arch/ia64/kernel/setup.c2
-rw-r--r--arch/ia64/kernel/smpboot.c11
-rw-r--r--arch/ia64/kernel/traps.c35
-rw-r--r--arch/ia64/kernel/unaligned.c13
-rw-r--r--arch/ia64/mm/fault.c8
-rw-r--r--arch/ia64/sn/kernel/sn2/sn2_smp.c2
-rw-r--r--arch/ia64/sn/kernel/sn2/sn_hwperf.c11
20 files changed, 411 insertions, 332 deletions
diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
index c412fe63f8e..a94445422cc 100644
--- a/arch/ia64/hp/common/sba_iommu.c
+++ b/arch/ia64/hp/common/sba_iommu.c
@@ -1875,7 +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/ia32/ia32_support.c b/arch/ia64/ia32/ia32_support.c
index d1d50cd1c38..896b1ebbfb2 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/efi.c b/arch/ia64/kernel/efi.c
index 242d7934112..919070a9aed 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/fsyscall_gtod_data.h b/arch/ia64/kernel/fsyscall_gtod_data.h
index 490dab55fba..57d2ee6c83e 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 c3b4412ccc6..8e7193d5552 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 fc4d2676264..b618487cdc8 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 6dbf5919d2d..846e7e036b1 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 0f5965fcdf8..8bc7d259e0c 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 aba813c2c15..fab1d21a4f2 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 485e34d0b19..53b8ecb5b4b 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 3bccb06c8d2..767ac2c20d1 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/perfmon.c b/arch/ia64/kernel/perfmon.c
index 5ae177f557d..78acd9fe97e 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -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);
@@ -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 27c2ef445a5..f44fe841216 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 86028c69861..ebd1a09f320 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -654,7 +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 f0fc4d8465a..480b1a5085d 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -767,17 +767,6 @@ 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/traps.c b/arch/ia64/kernel/traps.c
index 78d65cb947d..f0cda765e68 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, &regs, 0);
+ rv.fkt = 0;
+ if (die_if_kernel(buf, &regs, 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(&regs)->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, &regs, error);
- force_sig(SIGILL, current);
+ if (!die_if_kernel(buf, &regs, error))
+ force_sig(SIGILL, current);
}
diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c
index f6a1aeb742b..52f70bbc192 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;
}
@@ -1534,7 +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/mm/fault.c b/arch/ia64/mm/fault.c
index 7571076a16a..3e69881648a 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/sn2/sn2_smp.c b/arch/ia64/sn/kernel/sn2/sn2_smp.c
index f3c69329e14..dfc6bf1c7b4 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 1a8e49607f1..4b0d1538e7e 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;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 22:51:05 +0000