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Commit a79da384 authored by Borislav Petkov's avatar Borislav Petkov Committed by Ingo Molnar
Browse files

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



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: default avatarkbuild test robot <fengguang.wu@intel.com>
Signed-off-by: default avatarBorislav 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: default avatarIngo Molnar <mingo@kernel.org>
parent 9a7783d0

arch/x86/kernel/cpu/mcheck/mce-internal.h

+2 −0
Original line number Diff line number Diff line
@@ -79,3 +79,5 @@ static inline int apei_clear_mce(u64 record_id) 
	return -EINVAL;

}

#endif



void mce_inject_log(struct mce *m);

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

+8 −0
Original line number Diff line number Diff line
@@ -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)