Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763727AbXHXGq7 (ORCPT ); Fri, 24 Aug 2007 02:46:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751540AbXHXGqt (ORCPT ); Fri, 24 Aug 2007 02:46:49 -0400 Received: from gw.goop.org ([64.81.55.164]:35684 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750815AbXHXGqs (ORCPT ); Fri, 24 Aug 2007 02:46:48 -0400 Message-ID: <46CE7EDC.9080007@goop.org> Date: Thu, 23 Aug 2007 23:46:52 -0700 From: Jeremy Fitzhardinge User-Agent: Thunderbird 2.0.0.5 (X11/20070719) MIME-Version: 1.0 To: Frederik Deweerdt CC: Andrew Morton , linux-kernel@vger.kernel.org, Andi Kleen Subject: Re: [-mm patch] enforce noreplace-smp in alternative_instructions() References: <20070822020648.5ea3a612.akpm@linux-foundation.org> <20070822202551.GB31846@slug> <20070823145038.9895784f.akpm@linux-foundation.org> <20070824060438.GE31846@slug> In-Reply-To: <20070824060438.GE31846@slug> X-Enigmail-Version: 0.95.3 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 759 Lines: 20 Frederik Deweerdt wrote: > That means that even when you specify noreplace_smp, some replacing > takes place anyway. One of the consequences, besides noreplace_smp not > working as expected, is that lguest crashes when you feed it an SMP kernel > (I suspect that you can not replace alternatives for smp _and_ paravirt). > No, that should be fine. Why does lguest crash? > I agree, but I don't think it is doable (alt_smp_once comes to mind). I'll > double check however. Hm. Is alt_smp_once useful? J - 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/