Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755395AbZLUQlN (ORCPT ); Mon, 21 Dec 2009 11:41:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753786AbZLUQlL (ORCPT ); Mon, 21 Dec 2009 11:41:11 -0500 Received: from mx1.redhat.com ([209.132.183.28]:28699 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753231AbZLUQlI (ORCPT ); Mon, 21 Dec 2009 11:41:08 -0500 Message-ID: <4B2FA4F2.8000401@redhat.com> Date: Mon, 21 Dec 2009 18:40:18 +0200 From: Avi Kivity User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.5) Gecko/20091209 Fedora/3.0-4.fc12 Thunderbird/3.0 MIME-Version: 1.0 To: Anthony Liguori CC: Gregory Haskins , Ingo Molnar , kvm@vger.kernel.org, Andrew Morton , torvalds@linux-foundation.org, "linux-kernel@vger.kernel.org" , netdev@vger.kernel.org, "alacrityvm-devel@lists.sourceforge.net" Subject: Re: [GIT PULL] AlacrityVM guest drivers for 2.6.33 References: <4B1D4F29.8020309@gmail.com> <20091218215107.GA14946@elte.hu> <4B2F9582.5000002@gmail.com> <4B2F978D.7010602@redhat.com> <4B2F9C85.7070202@gmail.com> <4B2FA42F.3070408@codemonkey.ws> In-Reply-To: <4B2FA42F.3070408@codemonkey.ws> 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: 715 Lines: 17 On 12/21/2009 06:37 PM, Anthony Liguori wrote: > Since virtio-pci supports MSI-X, there should be no IO exits on > host->guest notification other than EOI in the virtual APIC. This is > a light weight exit today and will likely disappear entirely with > newer hardware. I'm working on disappearing EOI exits on older hardware as well. Same idea as the old TPR patching, without most of the magic. -- error compiling committee.c: too many arguments to function -- 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/