From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40957) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dQIEq-0005Yv-7e for qemu-devel@nongnu.org; Wed, 28 Jun 2017 15:02:57 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dQIEp-0000Fg-ID for qemu-devel@nongnu.org; Wed, 28 Jun 2017 15:02:56 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43170) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dQIEp-0000FK-Cz for qemu-devel@nongnu.org; Wed, 28 Jun 2017 15:02:55 -0400 From: "Dr. David Alan Gilbert (git)" Date: Wed, 28 Jun 2017 20:00:43 +0100 Message-Id: <20170628190047.26159-26-dgilbert@redhat.com> In-Reply-To: <20170628190047.26159-1-dgilbert@redhat.com> References: <20170628190047.26159-1-dgilbert@redhat.com> Subject: [Qemu-devel] [RFC 25/29] vhu: enable = false on get_vring_base List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, a.perevalov@samsung.com, marcandre.lureau@redhat.com, maxime.coquelin@redhat.com, mst@redhat.com, quintela@redhat.com, peterx@redhat.com, lvivier@redhat.com, aarcange@redhat.com From: "Dr. David Alan Gilbert" When we receive a GET_VRING_BASE message set enable = false to stop any new received packets modifying the ring. Signed-off-by: Dr. David Alan Gilbert --- contrib/libvhost-user/libvhost-user.c | 1 + 1 file changed, 1 insertion(+) diff --git a/contrib/libvhost-user/libvhost-user.c b/contrib/libvhost-user/libvhost-user.c index ceddeac74f..d37052b7b0 100644 --- a/contrib/libvhost-user/libvhost-user.c +++ b/contrib/libvhost-user/libvhost-user.c @@ -652,6 +652,7 @@ vu_get_vring_base_exec(VuDev *dev, VhostUserMsg *vmsg) vmsg->size = sizeof(vmsg->payload.state); dev->vq[index].started = false; + dev->vq[index].enable = false; if (dev->iface->queue_set_started) { dev->iface->queue_set_started(dev, index, false); } -- 2.13.0