---

yaml --- r: 155209 b: refs/heads/master c: aacf682 h: refs/heads/master i: 155207: 937a003 v: v3
git-mirror · Jul 3, 2009 · 971bdf0 · 971bdf0
1 parent c4ffaeb
commit 971bdf0
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Showing 2 changed files with 3 additions and 7 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b7882b7c65abb00194bdb3d4a22d27d70fcc59ba
+refs/heads/master: aacf682fd8c66b57383c407eecd9d4a28264ee91
diff --git a/trunk/arch/x86/lib/atomic64_32.c b/trunk/arch/x86/lib/atomic64_32.c
@@ -67,13 +67,9 @@ void atomic64_set(atomic64_t *ptr, u64 new_val)
  */
 u64 atomic64_read(atomic64_t *ptr)
 {
-	u64 curr_val;
+	u64 old = 1LL << 32;
 
-	do {
-		curr_val = __atomic64_read(ptr);
-	} while (atomic64_cmpxchg(ptr, curr_val, curr_val) != curr_val);
-
-	return curr_val;
+	return cmpxchg8b(&ptr->counter, old, old);
 }
 
 /**