From 867b1822f30a76cb9c8342da29eb28ed75908fa9 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Fri, 10 Oct 2014 18:17:09 -0400 Subject: add explicit barrier operation to internal atomic.h API --- arch/powerpc/atomic.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'arch/powerpc/atomic.h') diff --git a/arch/powerpc/atomic.h b/arch/powerpc/atomic.h index 1c50361e..f706543a 100644 --- a/arch/powerpc/atomic.h +++ b/arch/powerpc/atomic.h @@ -78,7 +78,9 @@ static inline void a_store(volatile int *p, int x) : "=m"(*p) : "r"(x) : "memory" ); } -static inline void a_spin() +#define a_spin a_barrier + +static inline void a_barrier() { a_cas(&(int){0}, 0, 0); } -- cgit v1.2.1