Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757939AbYBKPgA (ORCPT ); Mon, 11 Feb 2008 10:36:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754593AbYBKPfw (ORCPT ); Mon, 11 Feb 2008 10:35:52 -0500 Received: from one.firstfloor.org ([213.235.205.2]:45918 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753957AbYBKPfv (ORCPT ); Mon, 11 Feb 2008 10:35:51 -0500 Date: Mon, 11 Feb 2008 17:11:14 +0100 From: Andi Kleen To: "Frank Ch. Eigler" Cc: Andi Kleen , linux-kernel@vger.kernel.org Subject: Re: kgdb in git-x86#mm review Message-ID: <20080211161114.GA19537@one.firstfloor.org> References: <20080211015321.GA27376@one.firstfloor.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 929 Lines: 23 On Mon, Feb 11, 2008 at 10:32:46AM -0500, Frank Ch. Eigler wrote: > Andi Kleen writes: > > > [...] The kgdb code in git-x86#mm is right now is totally broken of > > course because the CFI annotations in assembler code are gone now, > > but they are needed for gdb use. [...] > > This loss of CFI data is unfortunate for other potential consumers > too, such as systemtap, which intends to supplement its current stack > backtracing heuristics with CFI data. They seem to have reverted these patches now, so that problem is gone. Yes there are a couple of other consumers of CFI too, like crash or the out of tree (but not dead) in kernel unwinder. -Andi -- 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/