Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753299Ab1EBFjt (ORCPT ); Mon, 2 May 2011 01:39:49 -0400 Received: from mx1.redhat.com ([209.132.183.28]:44156 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751292Ab1EBFjs convert rfc822-to-8bit (ORCPT ); Mon, 2 May 2011 01:39:48 -0400 Date: Mon, 2 May 2011 08:39:28 +0300 From: Gleb Natapov To: Cyrill Gorcunov Cc: Ingo Molnar , Avi Kivity , "H. Peter Anvin" , Thomas Gleixner , Suresh Siddha , LKML Subject: Re: [patch 0/2] x2apic optimization, round 4 Message-ID: <20110502053928.GB18376@redhat.com> References: <20110430171459.685415696@openvz.org> <4DBC6DC1.30900@redhat.com> <20110501164635.GA21833@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=koi8-r Content-Disposition: inline Content-Transfer-Encoding: 8BIT In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1492 Lines: 42 On Sun, May 01, 2011 at 09:11:35PM +0400, Cyrill Gorcunov wrote: > On Sun, May 1, 2011 at 8:46 PM, Ingo Molnar wrote: > > > > * Avi Kivity wrote: > > > >> On 04/30/2011 08:14 PM, Cyrill Gorcunov wrote: > >> > ? Hi Ingo, here is an updated series of two patches for > >> >x2apic cluster mode ipi optimization. Please take a > >> >look. > >> > > >> > ? The only concern which was unresolved is a messy bit > >> >in default_setup_apic_routing(), so we've added a FIXME > >> >there and clean it up as only time permits. Actually I > >> >have a plan to merge probe_32/64.c into single file (and > >> >even started working on this task) but not yes succeed. > >> > > >> > ? Anyway I think patches should be in a good shape now and > >> >probably we could merge them to not lose? > >> > > >> > ? Comments are welcome. > >> > >> Very nice! ?This will also significantly speed up kvm guests using x2apic. > > > > Ok. It would be nice to know on what systems these patches were tested, i.e. i > > suppose x2apic-enabled ones? > > > > Thanks, > > > > ? ? ? ?Ingo > > > > Suresh has tested them on Westmere-Ex system, I personally don't have > such machine. Can you test in in KVM with x2apic emulation enabled? -- Gleb. -- 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/