From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751807AbWF3RIL (ORCPT ); Fri, 30 Jun 2006 13:08:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751815AbWF3RIK (ORCPT ); Fri, 30 Jun 2006 13:08:10 -0400 Received: from ns.suse.de ([195.135.220.2]:39298 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S1751807AbWF3RIJ (ORCPT ); Fri, 30 Jun 2006 13:08:09 -0400 From: Andi Kleen To: eranian@hpl.hp.com Subject: Re: [PATCH 10/17] 2.6.17.1 perfmon2 patch for review: PMU context switch Date: Fri, 30 Jun 2006 19:08:03 +0200 User-Agent: KMail/1.9.3 Cc: linux-kernel@vger.kernel.org References: <200606230913.k5N9D73v032387@frankl.hpl.hp.com> <200606301633.35818.ak@suse.de> <20060630160203.GH22381@frankl.hpl.hp.com> In-Reply-To: <20060630160203.GH22381@frankl.hpl.hp.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200606301908.03934.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Friday 30 June 2006 18:02, Stephane Eranian wrote: > Andi, > > As a first step, I am looking at implementing a TIF_DEBUG > for x86-64. AFAIK, debug registers must not be inherited on > fork(). Why not? Especially for threads you probably want them in the new thread too. -Andi