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x86, mce: use atomic_inc_return() instead of add by 1

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Use atomic_inc_return() instead of atomic_add_return() by 1.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Cc: Andi Kleen <ak@linux.intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Borislav Petkov 2009-06-20 23:28:22 -07:00 committed by H. Peter Anvin
parent e487683990
commit a95436e44a
1 changed files with 2 additions and 2 deletions
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4
arch/x86/kernel/cpu/mcheck/mce.c
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@ -242,7 +242,7 @@ static void mce_panic(char *msg, struct mce *final, char *exp)
/*
* Make sure only one CPU runs in machine check panic
*/
if (atomic_add_return(1, &mce_paniced) > 1)
if (atomic_inc_return(&mce_paniced) > 1)
wait_for_panic();
barrier();
@ -705,7 +705,7 @@ static int mce_start(int *no_way_out)
* global_nwo should be updated before mce_callin
*/
smp_wmb();
order = atomic_add_return(1, &mce_callin);
order = atomic_inc_return(&mce_callin);
/*
* Wait for everyone.