Commit-ID: 33edbf02a92771fa2a81e41084a44ba874e3a5a5
Gitweb: http://git.kernel.org/tip/33edbf02a92771fa2a81e41084a44ba874e3a5a5
Author: Hidetoshi Seto <seto.hidetoshi@xxxxxxxxxxxxxx>
AuthorDate: Mon, 15 Jun 2009 17:18:45 +0900
Committer: H. Peter Anvin <hpa@xxxxxxxxx>
CommitDate: Tue, 16 Jun 2009 16:56:04 -0700
x86, mce: don't init timer if !mce_available
In mce_cpu_restart, mce_init_timer is called unconditionally.
If !mce_available (e.g. mce is disabled), there are no useful work
for timer. Stop running it.
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@xxxxxxxxxxxxxx>
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxx>
---
arch/x86/kernel/cpu/mcheck/mce.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 19294b8..dda7721 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -1617,8 +1617,9 @@ static int mce_resume(struct sys_device *dev)
static void mce_cpu_restart(void *data)
{
del_timer_sync(&__get_cpu_var(mce_timer));
- if (mce_available(¤t_cpu_data))
- mce_init();
+ if (!mce_available(¤t_cpu_data))
+ return;
+ mce_init();
mce_init_timer();
}
--
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