From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: [PATCH] x86, nmi: workaround sti; hlt race vs nmi; intr Date: Tue, 28 Sep 2010 08:34:57 -0700 Message-ID: <4CA20B21.7060809@zytor.com> 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> <4CA112D1.2020004@zytor.com> <4CA1AC50.7000801@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: Alexander Graf , x86@kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Joerg Roedel To: Avi Kivity Return-path: In-Reply-To: <4CA1AC50.7000801@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On 09/28/2010 01:50 AM, Avi Kivity wrote: > > Personally I think the safer route is to take the patch. There are > other processors besides Intel and AMD and we can't test all of them, > not to mention various emulators and virtual machine monitors out there. > Speaking for the smoltering crater that used to be *Transmeta*, I'm (from memory) quite certain they blocked NMI and that this was intentional behavior. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.