---

yaml --- r: 258144 b: refs/heads/master c: b02f0c2 h: refs/heads/master v: v3
git-mirror · Jul 24, 2011 · 8c4f971 · 8c4f971
1 parent 28b4e8a
commit 8c4f971
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Showing 2 changed files with 6 additions and 11 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 50a15981a1fac7e019ff7c3cba87531fb580f065
+refs/heads/master: b02f0c2ea25781e0f94b4fc8f6f85582057857b3
diff --git a/trunk/drivers/s390/cio/qdio_thinint.c b/trunk/drivers/s390/cio/qdio_thinint.c
@@ -95,9 +95,11 @@ void tiqdio_remove_input_queues(struct qdio_irq *irq_ptr)
 	}
 }
 
-static inline u32 shared_ind_set(void)
+static inline u32 clear_shared_ind(void)
 {
-	return q_indicators[TIQDIO_SHARED_IND].ind;
+	if (!atomic_read(&q_indicators[TIQDIO_SHARED_IND].count))
+		return 0;
+	return xchg(&q_indicators[TIQDIO_SHARED_IND].ind, 0);
 }
 
 /**
@@ -107,7 +109,7 @@ static inline u32 shared_ind_set(void)
  */
 static void tiqdio_thinint_handler(void *alsi, void *data)
 {
-	u32 si_used = shared_ind_set();
+	u32 si_used = clear_shared_ind();
 	struct qdio_q *q;
 
 	last_ai_time = S390_lowcore.int_clock;
@@ -150,13 +152,6 @@ static void tiqdio_thinint_handler(void *alsi, void *data)
 		qperf_inc(q, adapter_int);
 	}
 	rcu_read_unlock();
-
-	/*
-	 * If the shared indicator was used clear it now after all queues
-	 * were processed.
-	 */
-	if (si_used && shared_ind_set())
-		xchg(&q_indicators[TIQDIO_SHARED_IND].ind, 0);
 }
 
 static int set_subchannel_ind(struct qdio_irq *irq_ptr, int reset)