Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757181AbXLSOGp (ORCPT ); Wed, 19 Dec 2007 09:06:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752752AbXLSOGh (ORCPT ); Wed, 19 Dec 2007 09:06:37 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:50997 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753268AbXLSOGg (ORCPT ); Wed, 19 Dec 2007 09:06:36 -0500 Date: Wed, 19 Dec 2007 15:06:24 +0100 From: Ingo Molnar To: Avi Kivity Cc: kvm-devel , linux-kernel Subject: Re: [kvm-devel] Guest kernel hangs in smp kvm for older kernels prior to tsc sync cleanup Message-ID: <20071219140624.GF21282@elte.hu> References: <47680173.6060606@qumranet.com> <20071218221930.GA26109@elte.hu> <4768BB43.1000609@qumranet.com> <4768FE27.7020305@qumranet.com> <47690304.1090903@qumranet.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <47690304.1090903@qumranet.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 519 Lines: 19 * Avi Kivity wrote: > Avi Kivity wrote: >> Testing shows wrmsr and rdtsc function normally. >> >> I'll try pinning the vcpus to cpus and see if that helps. >> > > It does. do we let the guest read the physical CPU's TSC? That would be trouble. Ingo -- 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/