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authorDavid S. Miller <davem@davemloft.net>2010-02-28 19:23:06 -0800
committerDavid S. Miller <davem@davemloft.net>2010-02-28 19:23:06 -0800
commit47871889c601d8199c51a4086f77eebd77c29b0b (patch)
tree40cdcac3bff0ee40cc33dcca61d0577cdf965f77 /arch/mips/include/asm/system.h
parentc16cc0b464b8876cfd57ce1c1dbcb6f9a6a0bce3 (diff)
parent30ff056c42c665b9ea535d8515890857ae382540 (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts: drivers/firmware/iscsi_ibft.c
Diffstat (limited to 'arch/mips/include/asm/system.h')
-rw-r--r--arch/mips/include/asm/system.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/mips/include/asm/system.h b/arch/mips/include/asm/system.h
index 83b5509e09e..bb937ccfba1 100644
--- a/arch/mips/include/asm/system.h
+++ b/arch/mips/include/asm/system.h
@@ -95,6 +95,8 @@ static inline unsigned long __xchg_u32(volatile int * m, unsigned int val)
{
__u32 retval;
+ smp_mb__before_llsc();
+
if (kernel_uses_llsc && R10000_LLSC_WAR) {
unsigned long dummy;
@@ -147,6 +149,8 @@ static inline __u64 __xchg_u64(volatile __u64 * m, __u64 val)
{
__u64 retval;
+ smp_mb__before_llsc();
+
if (kernel_uses_llsc && R10000_LLSC_WAR) {
unsigned long dummy;