From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marcelo Tosatti Subject: Re: [Qemu-devel] [patch uq/master 0/8] port qemu-kvm's MCE support Date: Tue, 5 Oct 2010 17:24:53 -0300 Message-ID: <20101005202453.GA6319@amt.cnet> References: <20101004185447.891324545@redhat.com> <20101005185813.GC11396@sequoia.sous-sol.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Andreas =?iso-8859-1?Q?F=E4rber?= , QEMU Developers , kvm@vger.kernel.org To: Chris Wright Return-path: Received: from mx1.redhat.com ([209.132.183.28]:52787 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756773Ab0JEU0w (ORCPT ); Tue, 5 Oct 2010 16:26:52 -0400 Content-Disposition: inline In-Reply-To: <20101005185813.GC11396@sequoia.sous-sol.org> Sender: kvm-owner@vger.kernel.org List-ID: On Tue, Oct 05, 2010 at 11:58:13AM -0700, Chris Wright wrote: > * 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 o= f > > us that don't speak x86. Sorry about that. Will improve on next submission. > It would help. The acronym is Machine Check Exception. The patchset > should allow (on newer Intel x86 hw with a newer linux kernel) a clas= s of > memory errors delivered to the host OS as MCEs to be propagated to th= e > 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 ki= ll > only the process within the guest that is assocated with the memory e= rror. > -- Thanks Chris.