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Date: Wed, 29 Mar 2017 17:58:23 +0800 From: Jason Wang <jasowang@...hat.com> To: "Michael S. Tsirkin" <mst@...hat.com> Cc: kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH net-next 7/8] vhost_net: try batch dequing from skb array On 2017年03月23日 13:34, Jason Wang wrote: > > >> >>> +{ >>> + if (rvq->rh != rvq->rt) >>> + goto out; >>> + >>> + rvq->rh = rvq->rt = 0; >>> + rvq->rt = skb_array_consume_batched_bh(rvq->rx_array, rvq->rxq, >>> + VHOST_RX_BATCH); >> A comment explaining why is is -bh would be helpful. > > Ok. > > Thanks Rethink about this. It looks like -bh is not needed in this case since no consumer run in bh. Thanks
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