From e06ef372839c0c33f5f91f892ae632cef38cd259 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Wed, 30 Jan 2013 13:56:14 +0100 Subject: [PATCH] s390/barrier: convert mb() to define again Some of the now available common code drivers only compile if mb() is a define. Signed-off-by: Heiko Carstens Signed-off-by: Martin Schwidefsky --- arch/s390/include/asm/barrier.h | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/arch/s390/include/asm/barrier.h b/arch/s390/include/asm/barrier.h index 10a5088..16760ee 100644 --- a/arch/s390/include/asm/barrier.h +++ b/arch/s390/include/asm/barrier.h @@ -13,15 +13,12 @@ * to devices. */ -static inline void mb(void) -{ #ifdef CONFIG_HAVE_MARCH_Z196_FEATURES - /* Fast-BCR without checkpoint synchronization */ - asm volatile("bcr 14,0" : : : "memory"); +/* Fast-BCR without checkpoint synchronization */ +#define mb() do { asm volatile("bcr 14,0" : : : "memory"); } while (0) #else - asm volatile("bcr 15,0" : : : "memory"); +#define mb() do { asm volatile("bcr 15,0" : : : "memory"); } while (0) #endif -} #define rmb() mb() #define wmb() mb() -- 2.7.4