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yaml --- r: 298854 b: refs/heads/master c: ab306ca h: refs/heads/master v: v3
git-mirror · Apr 2, 2012 · 85bf5b3 · 85bf5b3
1 parent f3252fa
commit 85bf5b3
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b14f21906774be181627412fed5b6b5fae2b53a2
+refs/heads/master: ab306cae660e524edbeb8889e4e23d3c97717b9c
diff --git a/trunk/arch/tile/include/asm/spinlock_64.h b/trunk/arch/tile/include/asm/spinlock_64.h
@@ -137,7 +137,7 @@ static inline void arch_read_unlock(arch_rwlock_t *rw)
 static inline void arch_write_unlock(arch_rwlock_t *rw)
 {
 	__insn_mf();
-	rw->lock = 0;
+	__insn_exch4(&rw->lock, 0);  /* Avoid waiting in the write buffer. */
 }
 
 static inline int arch_read_trylock(arch_rwlock_t *rw)