From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wright Subject: Re: [Qemu-devel] [patch uq/master 0/8] port qemu-kvm's MCE support Date: Tue, 5 Oct 2010 11:58:13 -0700 Message-ID: <20101005185813.GC11396@sequoia.sous-sol.org> References: <20101004185447.891324545@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Marcelo Tosatti , QEMU Developers , kvm@vger.kernel.org To: Andreas =?iso-8859-1?Q?F=E4rber?= Return-path: Received: from sous-sol.org ([216.99.217.87]:55665 "EHLO sequoia.sous-sol.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752324Ab0JES6i (ORCPT ); Tue, 5 Oct 2010 14:58:38 -0400 Content-Disposition: inline In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: * Andreas F=E4rber (andreas.faerber@web.de) wrote: > Am 04.10.2010 um 20:54 schrieb Marcelo Tosatti: >=20 > I assume something went wrong with your cover letter here. It > would've been nice to see MCE spelled out or summarized for those of > us that don't speak x86. It would help. The acronym is Machine Check Exception. The patchset should allow (on newer Intel x86 hw with a newer linux kernel) a class = of memory errors delivered to the host OS as MCEs to be propagated to the guest OS. Without the patchset, the qemu process assoicated with the memory where the error took place would be killed. With the patchset, qemu can propagate the error into the guest and allow the guest to kill only the process within the guest that is assocated with the memory err= or.