Messages in this thread Patch in this message | | | From | Jason Wang <> | Subject | [RFC V7 PATCH 7/7] vhost_net: add interrupt coalescing support | Date | Mon, 25 May 2015 01:24:04 -0400 |
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Signed-off-by: Jason Wang <jasowang@redhat.com> --- drivers/vhost/net.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index 7d137a4..5ee28b7 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -320,6 +320,9 @@ static void handle_tx(struct vhost_net *net) hdr_size = nvq->vhost_hlen; zcopy = nvq->ubufs; + /* Finish pending interrupts first */ + vhost_check_coalesce_and_signal(vq->dev, vq, false); + for (;;) { /* Release DMAs done buffers first */ if (zcopy) @@ -415,6 +418,7 @@ static void handle_tx(struct vhost_net *net) } } out: + vhost_check_coalesce_and_signal(vq->dev, vq, true); mutex_unlock(&vq->mutex); } @@ -554,6 +558,9 @@ static void handle_rx(struct vhost_net *net) vq->log : NULL; mergeable = vhost_has_feature(vq, VIRTIO_NET_F_MRG_RXBUF); + /* Finish pending interrupts first */ + vhost_check_coalesce_and_signal(vq->dev, vq, false); + while ((sock_len = peek_head_len(sock->sk))) { sock_len += sock_hlen; vhost_len = sock_len + vhost_hlen; @@ -638,6 +645,7 @@ static void handle_rx(struct vhost_net *net) } } out: + vhost_check_coalesce_and_signal(vq->dev, vq, true); mutex_unlock(&vq->mutex); } -- 1.8.3.1
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