On Mon, 2 Dec 2024 12:22:53 +0800 Jason Wang wrote: > > Fixes: c8bd1f7f3e61 ("virtio_net: add support for Byte Queue Limits") > > Cc: <stable@xxxxxxxxxxxxxxx> # v6.11+ > > Signed-off-by: Koichiro Den <koichiro.den@xxxxxxxxxxxxx> > > Acked-by: Jason Wang <jasowang@xxxxxxxxxx> I see Tx skb flush in: virtnet_freeze() -> remove_vq_common() -> free_unused_bufs() -> virtnet_sq_free_unused_buf() do we need to reset the BQL state in that case? Rule of thumb is netdev_tx_reset_queue() should follow any flush (IOW skb freeing not followed by netdev_tx_completed_queue()).