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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 <fengguang.wu@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Link: http://lkml.kernel.org/r/1439396985-12812-13-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Borislav Petkov authored and Ingo Molnar committed Aug 13, 2015
1 parent 9a7783d commit a79da38
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2 changes: 2 additions & 0 deletions arch/x86/kernel/cpu/mcheck/mce-internal.h
Original file line number Diff line number Diff line change
Expand Up @@ -79,3 +79,5 @@ static inline int apei_clear_mce(u64 record_id)
return -EINVAL;
}
#endif

void mce_inject_log(struct mce *m);
8 changes: 8 additions & 0 deletions arch/x86/kernel/cpu/mcheck/mce.c
Original file line number Diff line number Diff line change
Expand Up @@ -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)
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