From a95436e44a76a32dcbe7c8df59701ddde53017c1 Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Sat, 20 Jun 2009 23:28:22 -0700 Subject: [PATCH] x86, mce: use atomic_inc_return() instead of add by 1 Use atomic_inc_return() instead of atomic_add_return() by 1. Signed-off-by: Borislav Petkov Cc: Andi Kleen Signed-off-by: H. Peter Anvin --- arch/x86/kernel/cpu/mcheck/mce.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 284d1de968bc..7da8fec9ca88 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -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. -- 2.34.1