From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: [PATCH] vhost: fix interrupt mitigation with raw sockets Date: Wed, 17 Mar 2010 16:43:50 +0200 Message-ID: <20100317144350.GB3984@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: "Michael S. Tsirkin" , Juan Quintela , Unai Uribarri , kvm@vger.kernel.org, virtualization@lists.osdl.org List-Id: virtualization@lists.linuxfoundation.org A thinko in code means we never trigger interrupt mitigation. Fix this. Reported-by: Juan Quintela Reported-by: Unai Uribarri Signed-off-by: Michael S. Tsirkin --- drivers/vhost/net.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index fcafb6b..a6a88df 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -125,7 +125,7 @@ static void handle_tx(struct vhost_net *net) mutex_lock(&vq->mutex); vhost_disable_notify(vq); - if (wmem < sock->sk->sk_sndbuf * 2) + if (wmem < sock->sk->sk_sndbuf / 2) tx_poll_stop(net); hdr_size = vq->hdr_size; -- 1.7.0.18.g0d53a5