---

yaml --- r: 223806 b: refs/heads/master c: 5ff8e6f h: refs/heads/master v: v3
git-mirror · Dec 17, 2010 · cf11cf3 · cf11cf3
1 parent 3fa5a8c
commit cf11cf3
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 20377f32dcb77941d450728da18cce5b1a7faec5
+refs/heads/master: 5ff8e6f0535fe730e921ca347bc38dcb9e01791a
diff --git a/trunk/kernel/rcutree.c b/trunk/kernel/rcutree.c
@@ -679,6 +679,15 @@ __rcu_process_gp_end(struct rcu_state *rsp, struct rcu_node *rnp, struct rcu_dat
 		/* Remember that we saw this grace-period completion. */
 		rdp->completed = rnp->completed;
 
+		/*
+		 * If we were in an extended quiescent state, we may have
+		 * missed some grace periods that others CPUs took care on
+		 * our behalf. Catch up with this state to avoid noting
+		 * spurious new grace periods.
+		 */
+		if (rdp->completed > rdp->gpnum)
+			rdp->gpnum = rdp->completed;
+
 		/*
 		 * If another CPU handled our extended quiescent states and
 		 * we have no more grace period to complete yet, then stop