> > static int virtio_net_has_buffers(VirtIONetQueue *q, int bufsize)
> > {
> > + int shadow_idx;
> > + unsigned int in_bytes;
> > VirtIONet *n = q->n;
> > - if (virtio_queue_empty(q->rx_vq) ||
> > - (n->mergeable_rx_bufs &&
> > - !virtqueue_avail_bytes(q->rx_vq, bufsize, 0))) {
> > - virtio_queue_
On Fri, Jul 05, 2024 at 06:05:02PM +0800, Wencheng Yang wrote:
> From: thomas
>
> Patch 06b12970174 ("virtio-net: fix network stall under load")
> added double-check to test whether the available buffer size
> can satisfy the request or not, in case the guest has added
> some buffers to the avail
On Fri, Jul 05, 2024 at 06:05:02PM +0800, Wencheng Yang wrote:
> From: thomas
>
> Patch 06b12970174 ("virtio-net: fix network stall under load")
> added double-check to test whether the available buffer size
> can satisfy the request or not, in case the guest has added
> some buffers to the avail
From: thomas
Patch 06b12970174 ("virtio-net: fix network stall under load")
added double-check to test whether the available buffer size
can satisfy the request or not, in case the guest has added
some buffers to the avail ring simultaneously after the first
check. It will be lucky if the availab
