Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753830AbZJYR2N (ORCPT ); Sun, 25 Oct 2009 13:28:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753817AbZJYR2M (ORCPT ); Sun, 25 Oct 2009 13:28:12 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:52805 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753816AbZJYR2M (ORCPT ); Sun, 25 Oct 2009 13:28:12 -0400 Date: Sun, 25 Oct 2009 18:27:18 +0100 From: Ingo Molnar To: Arjan van de Ven Cc: Dmitry Adamushko , Tigran Aivazian , Mike Travis , Thomas Gleixner , Andrew Morton , Jack Steiner , "H. Peter Anvin" , x86@kernel.org, Andreas Mohr , Hugh Dickins , Hannes Eder , linux-kernel@vger.kernel.org Subject: Re: [PATCH 6/8] SGI x86_64 UV: Limit the number of microcode messages Message-ID: <20091025172718.GA20060@elte.hu> References: <20091023233743.439628000@alcatraz.americas.sgi.com> <20091023233756.941535000@alcatraz.americas.sgi.com> <20091025163704.GE20391@elte.hu> <20091025101118.522a7aa4@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20091025101118.522a7aa4@infradead.org> User-Agent: Mutt/1.5.19 (2009-01-05) X-ELTE-SpamScore: 0.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=0.0 required=5.9 tests=none autolearn=no SpamAssassin version=3.2.5 _SUMMARY_ Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 939 Lines: 28 * Arjan van de Ven wrote: > On Sun, 25 Oct 2009 17:37:04 +0100 > Ingo Molnar wrote: > > > > > Having the precise microcode version printed (or exposed somewhere in > > /sys) is useful - sometimes when there's a weird crash in some > > prototype CPU one of the first questions from hw vendors is 'which > > precise microcode version was that?'. > > something like /sys/devices/system/cpu/cpu0/microcode/version ? > > (yes that is there today ;-) yeah, i used that for a bug recently. Nevertheless it makes sense to print the boot CPU message too - for bugs that crash before we can read out /sys/devices/system/cpu/cpu0/microcode/version. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/