---

yaml --- r: 297148 b: refs/heads/master c: 24a1304 h: refs/heads/master v: v3
git-mirror · Mar 8, 2012 · 02bc077 · 02bc077
1 parent 3a3a458
commit 02bc077
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 151104a7b3a82f9c56d636595ae58084049d2559
+refs/heads/master: 24a13044a84be51a6a4885a72ac9d5f4ed0742d0
diff --git a/trunk/arch/s390/kvm/sigp.c b/trunk/arch/s390/kvm/sigp.c
@@ -160,12 +160,15 @@ static int __inject_sigp_stop(struct kvm_s390_local_interrupt *li, int action)
 	inti->type = KVM_S390_SIGP_STOP;
 
 	spin_lock_bh(&li->lock);
+	if ((atomic_read(li->cpuflags) & CPUSTAT_STOPPED))
+		goto out;
 	list_add_tail(&inti->list, &li->list);
 	atomic_set(&li->active, 1);
 	atomic_set_mask(CPUSTAT_STOP_INT, li->cpuflags);
 	li->action_bits |= action;
 	if (waitqueue_active(&li->wq))
 		wake_up_interruptible(&li->wq);
+out:
 	spin_unlock_bh(&li->lock);
 
 	return 0; /* order accepted */