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authorAlex Elder <aelder@sgi.com>2011-08-08 07:06:24 -0500
committerAlex Elder <aelder@sgi.com>2011-08-08 07:06:24 -0500
commit2ddb4e94065470828e131351566102274ea9e83f (patch)
tree3eb237d28e10d7735d57c051880e8173113acef8 /arch/x86/kernel/acpi/sleep.c
parentc35a549c8b9e85bdff7e531a410d10e36b4b4f32 (diff)
parent322a8b034003c0d46d39af85bf24fee27b902f48 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Diffstat (limited to 'arch/x86/kernel/acpi/sleep.c')
-rw-r--r--arch/x86/kernel/acpi/sleep.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index 18a857ba7a25..103b6ab368d3 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -77,6 +77,12 @@ int acpi_suspend_lowlevel(void)
header->pmode_cr0 = read_cr0();
header->pmode_cr4 = read_cr4_safe();
+ header->pmode_behavior = 0;
+ if (!rdmsr_safe(MSR_IA32_MISC_ENABLE,
+ &header->pmode_misc_en_low,
+ &header->pmode_misc_en_high))
+ header->pmode_behavior |=
+ (1 << WAKEUP_BEHAVIOR_RESTORE_MISC_ENABLE);
header->realmode_flags = acpi_realmode_flags;
header->real_magic = 0x12345678;