---

yaml --- r: 138583 b: refs/heads/master c: 82631f5 h: refs/heads/master i: 138581: a11e430 138579: f0a95a0 138575: edade8d v: v3
git-mirror · Mar 27, 2009 · 9711032 · 9711032
1 parent c0d1f8f
commit 9711032
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 757c74d298dc8438760b8dea275c4c6e0ac8a77f
+refs/heads/master: 82631f5dd114e52239fb3d1e270a49d37c088b46
diff --git a/trunk/arch/powerpc/platforms/pseries/dtl.c b/trunk/arch/powerpc/platforms/pseries/dtl.c
@@ -107,6 +107,10 @@ static int dtl_enable(struct dtl *dtl)
 	/* set our initial buffer indices */
 	dtl->last_idx = lppaca[dtl->cpu].dtl_idx = 0;
 
+	/* ensure that our updates to the lppaca fields have occurred before
+	 * we actually enable the logging */
+	smp_wmb();
+
 	/* enable event logging */
 	lppaca[dtl->cpu].dtl_enable_mask = dtl_event_mask;