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-rw-r--r--arch/powerpc/platforms/cell/spu_base.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index f9da79e..3a53021 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/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);