From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754255Ab1AGQOH (ORCPT ); Fri, 7 Jan 2011 11:14:07 -0500 Received: from vpn.id2.novell.com ([195.33.99.129]:39950 "EHLO vpn.id2.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752659Ab1AGQOF convert rfc822-to-8bit (ORCPT ); Fri, 7 Jan 2011 11:14:05 -0500 Message-Id: <4D2749D6020000780002B0BC@vpn.id2.novell.com> X-Mailer: Novell GroupWise Internet Agent 8.0.1 Date: Fri, 07 Jan 2011 16:13:58 +0000 From: "Jan Beulich" To: "Frederic Weisbecker" Cc: "H. Peter Anvin" , "Ingo Molnar" , "Stephane Eranian" , "Thomas Gleixner" , "Arnaldo Carvalho de Melo" , "Soeren Sandmann Pedersen" , "LKML" Subject: Re: [RFC PATCH 1/2] x86: Fix rbp saving in pt_regs on irq entry References: <4D25EB4B020000780002ABF7@vpn.id2.novell.com> <20110106154536.GA2308@nowhere> <4D25F79F020000780002AC20@vpn.id2.novell.com> <20110106162236.GB2308@nowhere> <4D25FE5B020000780002AC50@vpn.id2.novell.com> <20110106165452.GC2308@nowhere> <4D2602DE020000780002ACA3@vpn.id2.novell.com> <20110106171231.GD2308@nowhere> <4D26D2C2020000780002AECB@vpn.id2.novell.com> <20110107123130.GB20761@elte.hu> <20110107160459.GA2751@nowhere> In-Reply-To: <20110107160459.GA2751@nowhere> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8BIT Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>> On 07.01.11 at 17:05, Frederic Weisbecker wrote: > Once I'll have perf callchain based on CFI ready, we'll perhaps find some > issues > there. Although I guess there are already tools that can make use of that. Is this to read that you're planning to do a re-spin of the CFI unwinding code (which I'm not allowed to submit another time, but which we've been using for years in SuSE distros) then? Jan