Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765187AbZDCLqt (ORCPT ); Fri, 3 Apr 2009 07:46:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932252AbZDCLqa (ORCPT ); Fri, 3 Apr 2009 07:46:30 -0400 Received: from mx2.redhat.com ([66.187.237.31]:45129 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932249AbZDCLq2 (ORCPT ); Fri, 3 Apr 2009 07:46:28 -0400 Message-ID: <49D5F72E.2060804@redhat.com> Date: Fri, 03 Apr 2009 14:46:54 +0300 From: Avi Kivity User-Agent: Thunderbird 2.0.0.21 (X11/20090320) MIME-Version: 1.0 To: Andi Kleen CC: Gerd Hoffmann , Herbert Xu , ghaskins@novell.com, anthony@codemonkey.ws, linux-kernel@vger.kernel.org, agraf@suse.de, pmullaney@novell.com, pmorreale@novell.com, rusty@rustcorp.com.au, netdev@vger.kernel.org, kvm@vger.kernel.org Subject: Re: [RFC PATCH 00/17] virtual-bus References: <20090402085253.GA29932@gondor.apana.org.au> <49D47F11.6070400@redhat.com> <49D5EBE1.8030200@redhat.com> <20090403111854.GA11935@one.firstfloor.org> In-Reply-To: <20090403111854.GA11935@one.firstfloor.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 686 Lines: 20 Andi Kleen wrote: >> Check shared ring status when stuffing a request. If there are requests >> > > That means you're bouncing cache lines all the time. Probably not a big > issue on single socket but could be on larger systems. > That's why I'd like requests to be handled on the vcpu thread rather than an auxiliary thread. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/