From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752397Ab1GYUHk (ORCPT ); Mon, 25 Jul 2011 16:07:40 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:59691 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752345Ab1GYUHj (ORCPT ); Mon, 25 Jul 2011 16:07:39 -0400 Date: Mon, 25 Jul 2011 22:06:45 +0200 From: Ingo Molnar To: Borislav Petkov Cc: Linus Torvalds , "H. Peter Anvin" , Thomas Gleixner , LKML , "Przywara, Andre" , "Pohlack, Martin" Subject: Re: [PATCH] x86, AMD: Correct F15h IC aliasing issue Message-ID: <20110725200645.GC8302@elte.hu> References: <1311340547-7861-1-git-send-email-bp@amd64.org> <20110724172222.GB12621@aftab> <20110724182323.GA13247@aftab> <20110724183045.GB29660@elte.hu> <20110724190752.GA13647@aftab> <20110724204450.GB18546@elte.hu> <20110725200014.GA23986@aftab> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110725200014.GA23986@aftab> User-Agent: Mutt/1.5.21 (2010-09-15) X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.3.1 -2.0 BAYES_00 BODY: Bayes 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 * Borislav Petkov wrote: > So yeah, the simpler fix works for processes mapping libraries in > the same order but not for processes mapping a subset of libraries > in a different order. but what is the proportion of 'good' versus bad alignment of libraries, could you collect some stats on a representative enough, fully booted up Linux system? Are only 1% of mappings 'bad'? 5%? 10%? 50%? We have no idea and the actual number matters a lot. Thanks, Ingo