From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751372AbeBRMqy (ORCPT ); Sun, 18 Feb 2018 07:46:54 -0500 Received: from mail-wr0-f175.google.com ([209.85.128.175]:37434 "EHLO mail-wr0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751292AbeBRMqx (ORCPT ); Sun, 18 Feb 2018 07:46:53 -0500 X-Google-Smtp-Source: AH8x226KTDcSgxF/jZSje+H+ioeyed6HoKmfQcRY58pyeSi337b/QHsthgA0i1h73y4V4XIvmG21Yw== Date: Sun, 18 Feb 2018 13:46:49 +0100 From: Ingo Molnar To: "Raj, Ashok" Cc: bp@suse.de, X86 ML , LKML , Thomas Gleixner Subject: Re: [PATCH] x86/microcode/intel: Check microcode revision before updating sibling threads Message-ID: <20180218124649.lgaqfafskepsvup4@gmail.com> References: <1518809669-3651-1-git-send-email-ashok.raj@intel.com> <20180217075053.2muugr2ioqvawfxv@gmail.com> <20180217121042.GA23981@araj-mobl1.jf.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180217121042.GA23981@araj-mobl1.jf.intel.com> User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Raj, Ashok wrote: > Hi Ingo > > On Sat, Feb 17, 2018 at 08:50:53AM +0100, Ingo Molnar wrote: > > > > Also, more fundamentally, during microcode early testing, isn't it possible for > > internal iterations of the microcode to have the same revision, but be different? > > Atleast we don't do that here. Such debug microcode isn't OS loadable. > Anything that comes out ready for OS loading, the version will keep moving. Ok. Thanks, Ingo