From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759250Ab0I0Vzz (ORCPT ); Mon, 27 Sep 2010 17:55:55 -0400 Received: from terminus.zytor.com ([198.137.202.10]:32959 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751136Ab0I0Vzy (ORCPT ); Mon, 27 Sep 2010 17:55:54 -0400 Message-ID: <4CA112D1.2020004@zytor.com> Date: Mon, 27 Sep 2010 14:55:29 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.9) Gecko/20100907 Fedora/3.1.3-1.fc13 Thunderbird/3.1.3 MIME-Version: 1.0 To: Avi Kivity CC: Alexander Graf , x86@kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Subject: Re: [PATCH] x86, nmi: workaround sti; hlt race vs nmi; intr References: <1284913699-14986-1-git-send-email-avi@redhat.com> <4CA057EA.7000609@redhat.com> <768A5DC0-131A-4BC8-ADDD-044D8169545E@suse.de> <61284934-1AD3-4F7A-9488-D46FCEE9B753@suse.de> <4CA06147.7080805@redhat.com> <4CA06373.5030501@redhat.com> In-Reply-To: <4CA06373.5030501@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/27/2010 02:27 AM, Avi Kivity wrote: > > I don't have write permissions for the spec. If you can verify that all > existing and future hardware will mask NMI after STI and convince the > spec owners to update the specifications, I'm all for it; it's certainly > a cleaner solution. > I'm trying to see if this is doable. As you can well imagine, though, it takes time. -hpa