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/arm/atomic.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'arch/arm/atomic.h') diff --git a/arch/arm/atomic.h b/arch/arm/atomic.h index 738f528c..8665c874 100644 --- a/arch/arm/atomic.h +++ b/arch/arm/atomic.h @@ -101,7 +101,9 @@ static inline void a_store(volatile int *p, int x) while (__k_cas(*p, x, p)); } -static inline void a_spin() +#define a_spin a_barrier + +static inline void a_barrier() { __k_cas(0, 0, &(int){0}); } -- cgit v1.2.1