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xen-netback: Disable NAPI after disabling interrupts
Otherwise the interrupt handler still calls napi_complete. Although it won't schedule NAPI again as either NAPI_STATE_DISABLE or NAPI_STATE_SCHED is set, it is just unnecessary, and it makes more sense to do this way. Signed-off-by: Zoltan Kiss <zoltan.kiss@linaro.org> Signed-off-by: David Vrabel <david.vrabel@citrix.com> Acked-by: Wei Liu <wei.liu2@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -281,10 +281,10 @@ static void xenvif_down(struct xenvif *vif)
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for (queue_index = 0; queue_index < num_queues; ++queue_index) {
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queue = &vif->queues[queue_index];
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napi_disable(&queue->napi);
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disable_irq(queue->tx_irq);
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if (queue->tx_irq != queue->rx_irq)
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disable_irq(queue->rx_irq);
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napi_disable(&queue->napi);
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del_timer_sync(&queue->credit_timeout);
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}
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}
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