diff --git a/[refs] b/[refs]
index e011e0cdea00..fbba055c210a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 462c853eb574bc7843d9c56e84aca129aaa8e018
+refs/heads/master: 38307341af3a0be8ec5319756361b51ac29dffc7
diff --git a/trunk/arch/powerpc/platforms/cell/spu_base.c b/trunk/arch/powerpc/platforms/cell/spu_base.c
index f9da79eb3db0..3a5302151e09 100644
--- a/trunk/arch/powerpc/platforms/cell/spu_base.c
+++ b/trunk/arch/powerpc/platforms/cell/spu_base.c
@@ -240,7 +240,8 @@ spu_irq_class_1(int irq, void *data, struct pt_regs *regs)
 	stat  = in_be64(&spu->priv1->int_stat_class1_RW) & mask;
 	dar   = in_be64(&spu->priv1->mfc_dar_RW);
 	dsisr = in_be64(&spu->priv1->mfc_dsisr_RW);
-	out_be64(&spu->priv1->mfc_dsisr_RW, 0UL);
+	if (stat & 2) /* mapping fault */
+		out_be64(&spu->priv1->mfc_dsisr_RW, 0UL);
 	out_be64(&spu->priv1->int_stat_class1_RW, stat);
 	spin_unlock(&spu->register_lock);