From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [patch 13/26] Xen-paravirt_ops: Consistently wrap paravirt ops callsites to make them patchable Date: Tue, 20 Mar 2007 22:08:00 -0800 Message-ID: <20070320220800.76baff30.akpm@linux-foundation.org> 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> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Cc: xen-devel@lists.xensource.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, jbeulich@novell.com, virtualization@lists.linux-foundation.org, chrisw@sous-sol.org, virtualization@lists.osdl.org, "Eric W. Biederman" , anthony@codemonkey.ws, mingo@elte.hu, Linus Torvalds , David Miller To: Andi Kleen Return-path: In-Reply-To: <20070320202352.GF4286@bingen.suse.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org List-Id: netdev.vger.kernel.org On Tue, 20 Mar 2007 21:23:52 +0100 Andi Kleen wrote: > Well it causes additional problems. We had some cases where it was really > hard to distingush garbage and the true call chain. yes, for some reason the naive backtraces seem to have got messier and mess= ier over the years and some of them are really quite hard to piece together nowadays. An accurate backtrace would have some value, if we can get it bullet-proof. The fault-injection driver wants it too. And lockdep, I guess.