From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754876AbZBIKqT (ORCPT ); Mon, 9 Feb 2009 05:46:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753313AbZBIKqG (ORCPT ); Mon, 9 Feb 2009 05:46:06 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:51281 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753121AbZBIKqF (ORCPT ); Mon, 9 Feb 2009 05:46:05 -0500 Date: Mon, 9 Feb 2009 11:45:47 +0100 From: Ingo Molnar To: Andreas Herrmann Cc: stable@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH][stable-28] x86: microcode_amd: fix wrong handling of equivalent CPU id Message-ID: <20090209104547.GM20467@elte.hu> References: <20090209103230.GB6041@alberich.amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090209103230.GB6041@alberich.amd.com> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Andreas Herrmann wrote: > Impact: fix bug resulting in non-loaded AMD microcode > > mc_header->processor_rev_id is a 2 byte value. Similar is true for > equiv_cpu in an equiv_cpu_entry -- only 2 bytes are of interest. > > Signed-off-by: Andreas Herrmann > --- > arch/x86/kernel/microcode_amd.c | 23 ++++++----------------- > 1 files changed, 6 insertions(+), 17 deletions(-) > > This fix is already upstream. > See > > commit 3c763fd77e66e55d029052da31df0abd9920cb1e > (x86: microcode_amd: fix wrong handling of equivalent CPU id) > > Please apply to stable-28. ack for the -stable backport. Ingo