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-rw-r--r--drivers/vhost/vsock.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
index 47c6d4d43c70..814bed72d793 100644
--- a/drivers/vhost/vsock.c
+++ b/drivers/vhost/vsock.c
@@ -86,6 +86,7 @@ vhost_transport_do_send_pkt(struct vhost_vsock *vsock,
struct vhost_virtqueue *vq)
{
struct vhost_virtqueue *tx_vq = &vsock->vqs[VSOCK_VQ_TX];
+ int pkts = 0, total_len = 0;
bool added = false;
bool restart_tx = false;
@@ -97,7 +98,7 @@ vhost_transport_do_send_pkt(struct vhost_vsock *vsock,
/* Avoid further vmexits, we're already processing the virtqueue */
vhost_disable_notify(&vsock->dev, vq);
- for (;;) {
+ do {
struct virtio_vsock_pkt *pkt;
struct iov_iter iov_iter;
unsigned out, in;
@@ -182,8 +183,9 @@ vhost_transport_do_send_pkt(struct vhost_vsock *vsock,
*/
virtio_transport_deliver_tap_pkt(pkt);
+ total_len += pkt->len;
virtio_transport_free_pkt(pkt);
- }
+ } while(likely(!vhost_exceeds_weight(vq, ++pkts, total_len)));
if (added)
vhost_signal(&vsock->dev, vq);
@@ -358,7 +360,7 @@ static void vhost_vsock_handle_tx_kick(struct vhost_work *work)
struct vhost_vsock *vsock = container_of(vq->dev, struct vhost_vsock,
dev);
struct virtio_vsock_pkt *pkt;
- int head;
+ int head, pkts = 0, total_len = 0;
unsigned int out, in;
bool added = false;
@@ -368,7 +370,7 @@ static void vhost_vsock_handle_tx_kick(struct vhost_work *work)
goto out;
vhost_disable_notify(&vsock->dev, vq);
- for (;;) {
+ do {
u32 len;
if (!vhost_vsock_more_replies(vsock)) {
@@ -409,9 +411,11 @@ static void vhost_vsock_handle_tx_kick(struct vhost_work *work)
else
virtio_transport_free_pkt(pkt);
- vhost_add_used(vq, head, sizeof(pkt->hdr) + len);
+ len += sizeof(pkt->hdr);
+ vhost_add_used(vq, head, len);
+ total_len += len;
added = true;
- }
+ } while(likely(!vhost_exceeds_weight(vq, ++pkts, total_len)));
no_more_replies:
if (added)