Adds e500/85xx based memory barrier
Signed-off-by: Vivek Mahajan <vivek.maha...@freescale.com>
---
Resending it to linuxppc-...@ozlabs.org
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
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