From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Bruce Rogers" Subject: Re: [PATCH] KVM: add schedule check to napi_enable call Date: Mon, 14 Jun 2010 14:44:17 -0600 Message-ID: <4C16404102000048000980A8@sinclair.provo.novell.com> References: <4C07F8FF0200004800097554@sinclair.provo.novell.com> <20100606094048.GA1979@gondor.apana.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8BIT Cc: , To: "Herbert Xu" Return-path: In-Reply-To: <20100606094048.GA1979@gondor.apana.org.au> Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: >>> On 6/6/2010 at 03:40 AM, Herbert Xu wrote: > Bruce Rogers wrote: >> Please consider this patch for the 2.6.32, 2.6.33, and 2.6.34 stable trees > as well as current development trees. (I've only tested on 2.6.32 however) >> >> virtio_net: Add schedule check to napi_enable call >> Under harsh testing conditions, including low memory, the guest would >> stop receiving packets. With this patch applied we no longer see any >> problems in the driver while performing these tests for extended periods >> of time. >> >> Make sure napi is scheduled subsequent to each napi_enable. >> >> Signed-off-by: Bruce Rogers >> Signed-off-by: Olaf Kirch >> Acked-by: Rusty Russell >> Cc: stable@kernel.org > > Looks good to me. > > Thanks! Thanks for the review. We are hoping to get this into our 2.6.32 based sle11 sp1 maintenance update. Are there any concerns with this patch? Bruce