From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yuanhan Liu Subject: Re: [PATCH] vhost: don't stall if guest is slow Date: Tue, 8 Dec 2015 10:23:11 +0800 Message-ID: <20151208022311.GI29571@yliu-dev.sh.intel.com> References: <1449535821-12384-1-git-send-email-stephen@networkplumber.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: dev@dpdk.org, nlaw@brocade.com To: Stephen Hemminger Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 606F51DB1 for ; Tue, 8 Dec 2015 03:22:16 +0100 (CET) Content-Disposition: inline In-Reply-To: <1449535821-12384-1-git-send-email-stephen@networkplumber.org> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Mon, Dec 07, 2015 at 04:50:21PM -0800, Stephen Hemminger wrote: > When guest is booting (or any othertime guest is busy) it is possible > for the small receive ring (256) to get full. If this happens the > vhost library should just return normally. It's current behavior > of logging just creates massive log spew/overflow which could even > act as a DoS attack against host. > > Reported-by: Nathan Law > Signed-off-by: Stephen Hemminger Acked-by: Yuanhan Liu Thanks. --yliu