From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean-Louis Dupond Subject: Re: [PATCH net] xen-netback: correctly schedule rate-limited queues Date: Thu, 27 Jul 2017 10:21:56 +0200 Message-ID: References: <20170621092122.694-1-wei.liu2@citrix.com> <20170622.111648.301858879592718577.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Cc: wei.liu2@citrix.com, netdev@vger.kernel.org, xen-devel@lists.xenproject.org, Paul.Durrant@citrix.com To: David Miller Return-path: Received: from apollo.dupie.be ([62.210.113.39]:54316 "EHLO apollo.dupie.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750965AbdG0IV5 (ORCPT ); Thu, 27 Jul 2017 04:21:57 -0400 In-Reply-To: <20170622.111648.301858879592718577.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-ID: Op 2017-06-22 17:16, schreef David Miller: > From: Wei Liu > Date: Wed, 21 Jun 2017 10:21:22 +0100 > >> Add a flag to indicate if a queue is rate-limited. Test the flag in >> NAPI poll handler and avoid rescheduling the queue if true, otherwise >> we risk locking up the host. The rescheduling will be done in the >> timer callback function. >> >> Reported-by: Jean-Louis Dupond >> Signed-off-by: Wei Liu >> Tested-by: Jean-Louis Dupond > > Applied. Could this get applied to stable & LTS kernels also? Seems important enough in my opinion. Thanks!