---

yaml --- r: 336070 b: refs/heads/master c: 4b05a1c h: refs/heads/master v: v3
git-mirror · Nov 28, 2012 · 144e0b7 · 144e0b7
1 parent b0bb615
commit 144e0b7
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e23739b4ade80a3a7f87198f008f6c44a7cbc9fd
+refs/heads/master: 4b05a1c74d1cfae37cf6ff293ee928350f031418
diff --git a/trunk/include/linux/percpu-rwsem.h b/trunk/include/linux/percpu-rwsem.h
@@ -13,7 +13,7 @@ struct percpu_rw_semaphore {
 };
 
 #define light_mb()	barrier()
-#define heavy_mb()	synchronize_sched()
+#define heavy_mb()	synchronize_sched_expedited()
 
 static inline void percpu_down_read(struct percpu_rw_semaphore *p)
 {
@@ -51,7 +51,7 @@ static inline void percpu_down_write(struct percpu_rw_semaphore *p)
 {
 	mutex_lock(&p->mtx);
 	p->locked = true;
-	synchronize_sched(); /* make sure that all readers exit the rcu_read_lock_sched region */
+	synchronize_sched_expedited(); /* make sure that all readers exit the rcu_read_lock_sched region */
 	while (__percpu_count(p->counters))
 		msleep(1);
 	heavy_mb(); /* C, between read of p->counter and write to data, paired with B */