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x86/mce: Add a wrapper around mce_log() for injection

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Will be used by an injector module in a following patch.

Additionally, add a missing module export reported by 0-DAY
kernel test.

Reported-by: kbuild test robot <[email protected]>
Signed-off-by: Borislav Petkov <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Tony Luck <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Borislav Petkov 2015-08-12 18:29:44 +02:00 • committed by Ingo Molnar
commit a79da38494
2 changed files with 10 additions and 0 deletions
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2
arch/x86/kernel/cpu/mcheck/mce-internal.h
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@ -79,3 +79,5 @@ static inline int apei_clear_mce(u64 record_id)
return -EINVAL;
}
#endif
void mce_inject_log(struct mce *m);

8
arch/x86/kernel/cpu/mcheck/mce.c
View file

@ -199,6 +199,14 @@ void mce_log(struct mce *mce)
set_bit(0, &mce_need_notify);
}
void mce_inject_log(struct mce *m)
{
mutex_lock(&mce_chrdev_read_mutex);
mce_log(m);
mutex_unlock(&mce_chrdev_read_mutex);
}
EXPORT_SYMBOL_GPL(mce_inject_log);
static struct notifier_block mce_srao_nb;
void mce_register_decode_chain(struct notifier_block *nb)