diff options
Diffstat (limited to 'arch/powerpc/platforms/cell/spu_base.c')
| -rw-r--r-- | arch/powerpc/platforms/cell/spu_base.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c index bd7bffc3ddd..c43999a10de 100644 --- a/arch/powerpc/platforms/cell/spu_base.c +++ b/arch/powerpc/platforms/cell/spu_base.c @@ -170,9 +170,11 @@ int spu_irq_class_0_bottom(struct spu *spu) { unsigned long stat, mask; + unsigned long flags; spu->class_0_pending = 0; + spin_lock_irqsave(&spu->register_lock, flags); mask = spu_int_mask_get(spu, 0); stat = spu_int_stat_get(spu, 0); @@ -188,6 +190,7 @@ spu_irq_class_0_bottom(struct spu *spu) __spu_trap_error(spu); spu_int_stat_clear(spu, 0, stat); + spin_unlock_irqrestore(&spu->register_lock, flags); return (stat & 0x7) ? -EIO : 0; } |