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| author | Andi Kleen <andi@firstfloor.org> | 2009-02-12 13:39:26 +0100 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2009-02-17 15:24:28 -0800 |
| commit | 6ec68bff3c81e776a455f6aca95c8c5f1d630198 (patch) | |
| tree | 248b9c4dbb9271f7a8ad15b7103febefe877a79f /arch/x86/kernel | |
| parent | bf51935f3e988e0ed6f34b55593e5912f990750a (diff) | |
| download | blackbird-op-linux-6ec68bff3c81e776a455f6aca95c8c5f1d630198.tar.gz blackbird-op-linux-6ec68bff3c81e776a455f6aca95c8c5f1d630198.zip | |
x86, mce: reinitialize per cpu features on resume
Impact: Bug fix
This fixes a long standing bug in the machine check code. On resume the
boot CPU wouldn't get its vendor specific state like thermal handling
reinitialized. This means the boot cpu wouldn't ever get any thermal
events reported again.
Call the respective initialization functions on resume
v2: Remove ancient init because they don't have a resume device anyways.
Pointed out by Thomas Gleixner.
v3: Now fix the Subject too to reflect v2 change
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/cpu/mcheck/mce_64.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/mce_64.c b/arch/x86/kernel/cpu/mcheck/mce_64.c index 1c838032fd37..1f184efb6bc2 100644 --- a/arch/x86/kernel/cpu/mcheck/mce_64.c +++ b/arch/x86/kernel/cpu/mcheck/mce_64.c @@ -734,6 +734,7 @@ __setup("mce=", mcheck_enable); static int mce_resume(struct sys_device *dev) { mce_init(NULL); + mce_cpu_features(¤t_cpu_data); return 0; } |
