From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752622AbXCTUiA (ORCPT ); Tue, 20 Mar 2007 16:38:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752861AbXCTUiA (ORCPT ); Tue, 20 Mar 2007 16:38:00 -0400 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:34881 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752622AbXCTUh6 (ORCPT ); Tue, 20 Mar 2007 16:37:58 -0400 Date: Tue, 20 Mar 2007 21:39:18 +0000 From: Alan Cox To: Andi Kleen Cc: Linus Torvalds , jeremy@goop.org, xen-devel@lists.xensource.com, netdev@vger.kernel.org, mingo@elte.hu, Andi Kleen , 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 Message-ID: <20070320213918.116862be@lxorguk.ukuu.org.uk> In-Reply-To: <20070320202352.GF4286@bingen.suse.de> References: <20070319.204712.118947830.davem@davemloft.net> <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> X-Mailer: Claws Mail 2.8.1 (GTK+ 2.10.8; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > > Because that's really the issue: do you want a "pretty" backtrace, or do > > you want one that is rock solid but has some crud in it. > > I just want an as exact backtrace as possible. I also think > that we can make the unwinder robust enough. Any reason you can't put the exact back trace in "[xxx]" and the ones we see on the stack which dont look like call trace as ?xxx? It makes the code a bit trickier but we depend on the quality of traces Alan