Commit-ID:  415601b1917be0e3b53306d410be659b429241a9
Gitweb:     http://git.kernel.org/tip/415601b1917be0e3b53306d410be659b429241a9
Author:     Borislav Petkov <b...@suse.de>
AuthorDate: Tue, 18 Apr 2017 09:33:28 +0200
Committer:  Ingo Molnar <mi...@kernel.org>
CommitDate: Tue, 18 Apr 2017 10:27:52 +0200

x86/mce: Update notifier priority check

Update the check which enforces the registration of MCE decoder notifier
callbacks with valid priority only, to include mcelog's priority.

Reported-by: kernel test robot <xiaolong...@intel.com>
Signed-off-by: Borislav Petkov <b...@suse.de>
Cc: Linus Torvalds <torva...@linux-foundation.org>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Stephen Rothwell <s...@canb.auug.org.au>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: Tony Luck <tony.l...@intel.com>
Cc: linux-edac <linux-e...@vger.kernel.org>
Cc: l...@01.org
Link: http://lkml.kernel.org/r/20170418073820.i6kl5tggcntwl...@pd.tnic
Signed-off-by: Ingo Molnar <mi...@kernel.org>
---
 arch/x86/kernel/cpu/mcheck/mce.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index a09bb67..9d41ec8 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -157,7 +157,7 @@ static atomic_t num_notifiers;
 
 void mce_register_decode_chain(struct notifier_block *nb)
 {
-       if (WARN_ON(nb->priority > MCE_PRIO_LOWEST && nb->priority < 
MCE_PRIO_EDAC))
+       if (WARN_ON(nb->priority > MCE_PRIO_MCELOG && nb->priority < 
MCE_PRIO_EDAC))
                return;
 
        atomic_inc(&num_notifiers);

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