Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754978AbZCHWA5 (ORCPT ); Sun, 8 Mar 2009 18:00:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753648AbZCHWAs (ORCPT ); Sun, 8 Mar 2009 18:00:48 -0400 Received: from terminus.zytor.com ([198.137.202.10]:59248 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753521AbZCHWAr (ORCPT ); Sun, 8 Mar 2009 18:00:47 -0400 Message-ID: <49B43F1D.2000400@zytor.com> Date: Sun, 08 Mar 2009 14:56:45 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: Ingo Molnar CC: Jeremy Fitzhardinge , Andrew Morton , the arch/x86 maintainers , Linux Kernel Mailing List , Xen-devel Subject: Re: [PATCH] xen: core dom0 support References: <1235786365-17744-1-git-send-email-jeremy@goop.org> <20090227212812.26d02f34.akpm@linux-foundation.org> <20090228084254.GA29342@elte.hu> <49A907DD.6010408@goop.org> <20090302120859.GB29015@elte.hu> <49B23907.8030103@goop.org> <20090308110150.GA19151@elte.hu> In-Reply-To: <20090308110150.GA19151@elte.hu> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 826 Lines: 23 Ingo Molnar wrote: > > Associativity effects do depend on the kernel image layout and > on the precise allocations of kernel data structure allocations > we do during bootup - and they dont really change after that. > By the way, there is a really easy way (if a bit time consuming) to get the actual variability here -- you have to reboot between runs, even for the same kernel. It makes the data collection take a long time, but at least it can be scripted. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- 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/