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| author | Shaohua Li <shaohua.li@intel.com> | 2006-06-23 02:04:49 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-23 07:43:00 -0700 |
| commit | 55b2355eefc2f160246226d4d69fed431173a4d5 (patch) | |
| tree | b5ed6dbf3d045443a12de412f9937a6b8dc20840 /arch/x86_64/kernel | |
| parent | 968808b8956e332e556b1eae9b4f7df77518f53b (diff) | |
| download | blackbird-op-linux-55b2355eefc2f160246226d4d69fed431173a4d5.tar.gz blackbird-op-linux-55b2355eefc2f160246226d4d69fed431173a4d5.zip | |
[PATCH] don't use flush_tlb_all in suspend time
flush_tlb_all uses on_each_cpu, which will disable/enable interrupt.
In suspend/resume time, this will make interrupt wrongly enabled.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/kernel')
| -rw-r--r-- | arch/x86_64/kernel/acpi/sleep.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86_64/kernel/acpi/sleep.c b/arch/x86_64/kernel/acpi/sleep.c index 867a0ebee177..091bc79c888f 100644 --- a/arch/x86_64/kernel/acpi/sleep.c +++ b/arch/x86_64/kernel/acpi/sleep.c @@ -35,6 +35,8 @@ #include <linux/pci.h> #include <linux/bootmem.h> #include <linux/acpi.h> +#include <linux/cpumask.h> + #include <asm/mpspec.h> #include <asm/io.h> #include <asm/apic.h> @@ -66,7 +68,8 @@ static void init_low_mapping(void) pgd_t *slot0 = pgd_offset(current->mm, 0UL); low_ptr = *slot0; set_pgd(slot0, *pgd_offset(current->mm, PAGE_OFFSET)); - flush_tlb_all(); + WARN_ON(num_online_cpus() != 1); + local_flush_tlb(); } /** @@ -92,7 +95,7 @@ int acpi_save_state_mem(void) void acpi_restore_state_mem(void) { set_pgd(pgd_offset(current->mm, 0UL), low_ptr); - flush_tlb_all(); + local_flush_tlb(); } /** |
