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yaml --- r: 252677 b: refs/heads/master c: 55c2945 h: refs/heads/master i: 252675: 09bf03d v: v3
git-mirror · May 28, 2011 · 708db77 · 708db77
1 parent 3ae4b3e
commit 708db77
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Showing 2 changed files with 14 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 29f742f88a32c9ab8cf6d9ba69e1ea918be5aa58
+refs/heads/master: 55c2945aa9d4d907ec5ca4f6a4e30ae908d8d30d
diff --git a/trunk/include/linux/atomic.h b/trunk/include/linux/atomic.h
@@ -34,4 +34,17 @@ static inline int atomic_inc_not_zero_hint(atomic_t *v, int hint)
 }
 #endif
 
+#ifndef CONFIG_ARCH_HAS_ATOMIC_OR
+static inline void atomic_or(int i, atomic_t *v)
+{
+	int old;
+	int new;
+
+	do {
+		old = atomic_read(v);
+		new = old | i;
+	} while (atomic_cmpxchg(v, old, new) != old);
+}
+#endif /* #ifndef CONFIG_ARCH_HAS_ATOMIC_OR */
+
 #endif /* _LINUX_ATOMIC_H */