summaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/acpi/sleep.c
diff options
context:
space:
mode:
authorJames Bottomley <JBottomley@Parallels.com>2011-07-23 21:09:03 +0400
committerJames Bottomley <JBottomley@Parallels.com>2011-07-23 21:09:03 +0400
commit87045b033a62777337ae4aa62834876da09b5fb5 (patch)
tree26aefd28e436668ff906e42b1e0d75c056e33e01 /arch/x86/kernel/acpi/sleep.c
parent0d83ab65ff1b54ce8b6cd172285cf71a38c4cceb (diff)
parentbfe159a51203c15d23cb3158fffdc25ec4b4dda1 (diff)
Merge branch 'scsi-fixes'
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 18a857ba7a2..103b6ab368d 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;