From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754838Ab0GZPfy (ORCPT ); Mon, 26 Jul 2010 11:35:54 -0400 Received: from hera.kernel.org ([140.211.167.34]:34764 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754543Ab0GZPfx (ORCPT ); Mon, 26 Jul 2010 11:35:53 -0400 Message-ID: <4C4DAB14.5050809@kernel.org> Date: Mon, 26 Jul 2010 17:34:44 +0200 From: Tejun Heo User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.9.2.4) Gecko/20100608 Thunderbird/3.1 MIME-Version: 1.0 To: "Michael S. Tsirkin" CC: Oleg Nesterov , Sridhar Samudrala , netdev , lkml , "kvm@vger.kernel.org" , Andrew Morton , Dmitri Vorobiev , Jiri Kosina , Thomas Gleixner , Ingo Molnar , Andi Kleen Subject: Re: [PATCH UPDATED 1/3] vhost: replace vhost_workqueue with per-vhost kthread References: <4C02C961.9050606@kernel.org> <20100531152221.GB2987@redhat.com> <4C03D983.9010905@kernel.org> <20100531160020.GC3067@redhat.com> <4C04D41B.4050704@kernel.org> <4C06A580.9060300@kernel.org> <20100722155840.GA1743@redhat.com> <4C48B664.9000109@kernel.org> <20100724191447.GA4972@redhat.com> <4C4BEAA2.6040301@kernel.org> <20100726152510.GA26223@redhat.com> In-Reply-To: <20100726152510.GA26223@redhat.com> X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (hera.kernel.org [127.0.0.1]); Mon, 26 Jul 2010 15:34:45 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, On 07/26/2010 05:25 PM, Michael S. Tsirkin wrote: > BTW, kthread_worker would benefit from the optimization I implemented > here as well. Hmmm... I'm not quite sure whether it's an optimization. I thought the patch was due to feeling uncomfortable about using barriers? Is it an optimization? Thanks. -- tejun