diff options
| author | Ondrej Zary <linux@rainbow-software.org> | 2010-06-08 00:32:49 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rjw@sisk.pl> | 2010-06-08 00:32:49 +0200 |
| commit | 85a0e7539781dad4bfcffd98e72fa9f130f4e40d (patch) | |
| tree | c64b6526319b3e9c5a8c8592ca96988a3726b9ad /arch/x86/include/asm/suspend_32.h | |
| parent | 386f40c86d6c8d5b717ef20620af1a750d0dacb4 (diff) | |
PM / x86: Save/restore MISC_ENABLE register
Save/restore MISC_ENABLE register on suspend/resume.
This fixes OOPS (invalid opcode) on resume from STR on Asus P4P800-VM,
which wakes up with MWAIT disabled.
Fixes https://bugzilla.kernel.org/show_bug.cgi?id=15385
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Tested-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: H. Peter Anvin <hpa@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'arch/x86/include/asm/suspend_32.h')
| -rw-r--r-- | arch/x86/include/asm/suspend_32.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/suspend_32.h b/arch/x86/include/asm/suspend_32.h index 48dcfa62ea07..fd921c3a6841 100644 --- a/arch/x86/include/asm/suspend_32.h +++ b/arch/x86/include/asm/suspend_32.h @@ -15,6 +15,8 @@ static inline int arch_prepare_suspend(void) { return 0; } struct saved_context { u16 es, fs, gs, ss; unsigned long cr0, cr2, cr3, cr4; + u64 misc_enable; + bool misc_enable_saved; struct desc_ptr gdt; struct desc_ptr idt; u16 ldt; |