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;