From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762493AbZEGJaM (ORCPT ); Thu, 7 May 2009 05:30:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761867AbZEGJZH (ORCPT ); Thu, 7 May 2009 05:25:07 -0400 Received: from hera.kernel.org ([140.211.167.34]:45069 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761840AbZEGJZE (ORCPT ); Thu, 7 May 2009 05:25:04 -0400 Date: Thu, 7 May 2009 09:24:32 GMT From: tip-bot for Markus Metzger To: linux-tip-commits@vger.kernel.org Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com, markus.t.metzger@intel.com, tglx@linutronix.de, mingo@elte.hu Reply-To: mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org, markus.t.metzger@intel.com, tglx@linutronix.de, mingo@elte.hu In-Reply-To: <20090403144604.256645000@intel.com> References: <20090403144604.256645000@intel.com> Subject: [tip:tracing/core] x86, ds: dont use TIF_DEBUGCTLMSR Message-ID: Git-Commit-ID: 6047550d3d26fed88b18a208b31f8b90b5ef3e9b X-Mailer: tip-git-log-daemon MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.0 (hera.kernel.org [127.0.0.1]); Thu, 07 May 2009 09:24:34 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 6047550d3d26fed88b18a208b31f8b90b5ef3e9b Gitweb: http://git.kernel.org/tip/6047550d3d26fed88b18a208b31f8b90b5ef3e9b Author: Markus Metzger AuthorDate: Fri, 3 Apr 2009 16:43:49 +0200 Committer: Ingo Molnar CommitDate: Tue, 7 Apr 2009 13:36:32 +0200 x86, ds: dont use TIF_DEBUGCTLMSR Debug store already uses TIF_DS_AREA_MSR to trigger debug store context switch handling. No need to use TIF_DEBUGCTLMSR, as well. Signed-off-by: Markus Metzger Cc: roland@redhat.com Cc: eranian@googlemail.com Cc: oleg@redhat.com Cc: juan.villacis@intel.com Cc: ak@linux.jf.intel.com LKML-Reference: <20090403144604.256645000@intel.com> Signed-off-by: Ingo Molnar --- arch/x86/kernel/ds.c | 5 ----- 1 files changed, 0 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/ds.c b/arch/x86/kernel/ds.c index 443f415..cab2832 100644 --- a/arch/x86/kernel/ds.c +++ b/arch/x86/kernel/ds.c @@ -925,11 +925,6 @@ static void update_task_debugctlmsr(struct task_struct *task, get_cpu(); if (task == current) update_debugctlmsr(debugctlmsr); - - if (task->thread.debugctlmsr) - set_tsk_thread_flag(task, TIF_DEBUGCTLMSR); - else - clear_tsk_thread_flag(task, TIF_DEBUGCTLMSR); put_cpu(); }