[PATCH 3/4] powerpc/fsl: 85xx: add mbar()
From: Vivek Mahajan <hidden>
Date: 2009-09-23 11:33:35
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
Adds e500/85xx based memory barrier Signed-off-by: Vivek Mahajan <redacted> --- arch/powerpc/include/asm/synch.h | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/include/asm/synch.h b/arch/powerpc/include/asm/synch.h
index 28f6ddb..8298089 100644
--- a/arch/powerpc/include/asm/synch.h
+++ b/arch/powerpc/include/asm/synch.h@@ -23,6 +23,11 @@ static inline void isync(void) { __asm__ __volatile__ ("isync" : : : "memory"); } + +static inline void mbar(int mo) +{ + __asm__ __volatile__ ("mbar %0" : : "i" (mo) : "memory"); +} #endif /* __ASSEMBLY__ */ #if defined(__powerpc64__)
--
1.5.6.5