From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751555AbXCTXxA (ORCPT ); Tue, 20 Mar 2007 19:53:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751538AbXCTXxA (ORCPT ); Tue, 20 Mar 2007 19:53:00 -0400 Received: from smtp.osdl.org ([65.172.181.24]:38193 "EHLO smtp.osdl.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750863AbXCTXw6 (ORCPT ); Tue, 20 Mar 2007 19:52:58 -0400 Date: Tue, 20 Mar 2007 16:51:19 -0700 (PDT) From: Linus Torvalds To: Andi Kleen cc: Alan Cox , jeremy@goop.org, xen-devel@lists.xensource.com, netdev@vger.kernel.org, mingo@elte.hu, jbeulich@novell.com, virtualization@lists.linux-foundation.org, chrisw@sous-sol.org, virtualization@lists.osdl.org, "Eric W. Biederman" , anthony@codemonkey.ws, akpm@linux-foundation.org, David Miller , linux-kernel@vger.kernel.org Subject: Re: [Xen-devel] Re: [patch 13/26] Xen-paravirt_ops: Consistently wrap paravirt ops callsites to make them patchable In-Reply-To: <20070320214945.GG4286@bingen.suse.de> Message-ID: References: <200703201428.50564.ak@suse.de> <20070320174159.GA4286@bingen.suse.de> <20070320180359.GB4286@bingen.suse.de> <20070320192118.GD4286@bingen.suse.de> <20070320202352.GF4286@bingen.suse.de> <20070320213918.116862be@lxorguk.ukuu.org.uk> <20070320214945.GG4286@bingen.suse.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 20 Mar 2007, Andi Kleen wrote: > > Linus is worried about the unwinder crashing -- that wouldn't help with that. And to make it clear: this is not a theoretical worry. It happened many times over the months the unwinder was in. It was supposed to help debugging, but it made bugs that *would* have been nicely debuggable without it into nightmares. So the only reason for it existing in the first place was actually the thing that made it not work. Linus