---

yaml --- r: 135613 b: refs/heads/master c: 87fa5af h: refs/heads/master i: 135611: 1626b65 v: v3
git-mirror · Mar 26, 2009 · 21dfda5 · 21dfda5
1 parent 6fb7349
commit 21dfda5
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Showing 2 changed files with 3 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 98c1c6825247c71e3d8a9a5439ba21fce7563014
+refs/heads/master: 87fa5af80cdd5053b27a546725948c2b74ec82b2
diff --git a/trunk/drivers/s390/cio/airq.c b/trunk/drivers/s390/cio/airq.c
@@ -133,6 +133,8 @@ void do_adapter_IO(u8 isc)
 		while (word) {
 			if (word & INDICATOR_MASK) {
 				airq = airqs[isc][i];
+				/* Make sure gcc reads from airqs only once. */
+				barrier();
 				if (likely(airq))
 					airq->handler(&indicators[isc].byte[i],
 						      airq->drv_data);