[PATCH] MIPS: Add nudges to writes for bit unlocks.

["Steven J. Hill" <steven.hill@xxxxxxxxxx>]

From: Chad Reese <kreese@xxxxxxxxxxxxxxxxxx>

Flushing the writes lets other CPUs waiting for the lock to get it
sooner.

Signed-off-by: Chad Reese <kreese@xxxxxxxxxxxxxxxxxx>
Signed-off-by: David Daney <david.daney@xxxxxxxxxx>
---
 arch/mips/include/asm/bitops.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/mips/include/asm/bitops.h b/arch/mips/include/asm/bitops.h
index fa57cef..da1b871 100644
--- a/arch/mips/include/asm/bitops.h
+++ b/arch/mips/include/asm/bitops.h
@@ -456,6 +456,7 @@ static inline void __clear_bit_unlock(unsigned long nr, volatile unsigned long *
 {
 	smp_mb__before_llsc();
 	__clear_bit(nr, addr);
+	nudge_writes();
 }
 
 /*
-- 
2.1.4