From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758948AbXGRHdF (ORCPT ); Wed, 18 Jul 2007 03:33:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754005AbXGRHcL (ORCPT ); Wed, 18 Jul 2007 03:32:11 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:52603 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753471AbXGRHcH (ORCPT ); Wed, 18 Jul 2007 03:32:07 -0400 From: "Rafael J. Wysocki" To: Andrew Morton Subject: [PATCH -mm 3/5] Freezer: Prevent new tasks from inheriting TIF_FREEZE set Date: Wed, 18 Jul 2007 09:33:31 +0200 User-Agent: KMail/1.9.5 Cc: LKML , Nigel Cunningham , Oleg Nesterov , Pavel Machek References: <200707180929.31511.rjw@sisk.pl> In-Reply-To: <200707180929.31511.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-2" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200707180933.32080.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Rafael J. Wysocki Tasks should go to the refrigerator only if explicitly requested to do that by the freezer and not as a result of inheriting the TIF_FREEZE flag set from the parent. Make it happen. Signed-off-by: Rafael J. Wysocki Acked-by: Pavel Machek --- kernel/fork.c | 1 + 1 file changed, 1 insertion(+) Index: linux-2.6.22-rc6-mm1/kernel/fork.c =================================================================== --- linux-2.6.22-rc6-mm1.orig/kernel/fork.c 2007-07-11 20:48:04.000000000 +0200 +++ linux-2.6.22-rc6-mm1/kernel/fork.c 2007-07-11 20:50:42.000000000 +0200 @@ -932,6 +932,7 @@ static inline void copy_flags(unsigned l if (!(clone_flags & CLONE_PTRACE)) p->ptrace = 0; p->flags = new_flags; + clear_freeze_flag(p); } asmlinkage long sys_set_tid_address(int __user *tidptr)