Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752765Ab1BDVDL (ORCPT ); Fri, 4 Feb 2011 16:03:11 -0500 Received: from mx1.redhat.com ([209.132.183.28]:12602 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751979Ab1BDVDK (ORCPT ); Fri, 4 Feb 2011 16:03:10 -0500 Message-ID: <4D4C698A.4010201@redhat.com> Date: Fri, 04 Feb 2011 16:03:06 -0500 From: Zachary Amsden User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.10) Gecko/20100621 Fedora/3.0.5-1.fc13 Thunderbird/3.0.5 MIME-Version: 1.0 To: Jan Kiszka CC: Avi Kivity , Marcelo Tosatti , kvm , Linux Kernel Mailing List Subject: Re: [PATCH] KVM: x86: Convert tsc_write_lock to raw_spinlock References: <4D4BCB97.6000900@siemens.com> In-Reply-To: <4D4BCB97.6000900@siemens.com> Content-Type: text/plain; charset=ISO-8859-15; 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: 530 Lines: 12 On 02/04/2011 04:49 AM, Jan Kiszka wrote: > Code under this lock requires non-preemptibility. Ensure this also over > -rt by converting it to raw spinlock. > Oh dear, I had forgotten about that. I believe kvm_lock might have the same assumption in a few places regarding clock. -- 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/