x86: mce: Serialize mce injection

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raise_mce() fiddles with global state, but lacks any kind of
serialization.

Add a mutex around the raise_mce() call, so concurrent writers do not
stomp on each other toes.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Chen Gong <gong.chen@linux.intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

...

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Thomas Gleixner 2012-07-19 13:59:38 -04:00 • committed by Tony Luck

parent ea22571c8f

commit b5975917a3

1 changed files with 4 additions and 0 deletions

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arch/x86/kernel/cpu/mcheck/mce-inject.c

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