From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755444AbZHGGNj (ORCPT ); Fri, 7 Aug 2009 02:13:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755154AbZHGGNi (ORCPT ); Fri, 7 Aug 2009 02:13:38 -0400 Received: from e36.co.us.ibm.com ([32.97.110.154]:37222 "EHLO e36.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755264AbZHGGNh (ORCPT ); Fri, 7 Aug 2009 02:13:37 -0400 Date: Thu, 6 Aug 2009 23:13:54 -0700 From: Sukadev Bhattiprolu To: linux-kernel@vger.kernel.org Cc: Oren Laadan , "Eric W. Biederman" , serue@us.ibm.com, Alexey Dobriyan , Pavel Emelyanov , Andrew Morton , torvalds@linux-foundation.org, mikew@google.com, mingo@elte.hu, hpa@zytor.com, Containers , sukadev@us.ibm.com Subject: [RFC][v4][PATCH 5/7]: Add target_pids parameter to copy_process() Message-ID: <20090807061354.GE20672@us.ibm.com> References: <20090807061103.GA19343@us.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090807061103.GA19343@us.ibm.com> X-Operating-System: Linux 2.0.32 on an i486 User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Subject: [RFC][v4][PATCH 5/7]: Add target_pids parameter to copy_process() Add a 'target_pids' parameter to copy_process(). The new parameter will be used in a follow-on patch when clone_with_pids() is implemented. Signed-off-by: Sukadev Bhattiprolu Acked-by: Serge Hallyn Reviewed-by: Oren Laadan --- kernel/fork.c | 7 ++++--- 1 files changed, 4 insertions(+), 3 deletions(-) Index: linux-2.6/kernel/fork.c =================================================================== --- linux-2.6.orig/kernel/fork.c 2009-08-05 19:35:08.000000000 -0700 +++ linux-2.6/kernel/fork.c 2009-08-05 19:35:34.000000000 -0700 @@ -949,12 +949,12 @@ unsigned long stack_size, int __user *child_tidptr, struct pid *pid, + pid_t *target_pids, int trace) { int retval; struct task_struct *p; int cgroup_callbacks_done = 0; - pid_t *target_pids = NULL; if ((clone_flags & (CLONE_NEWNS|CLONE_FS)) == (CLONE_NEWNS|CLONE_FS)) return ERR_PTR(-EINVAL); @@ -1330,7 +1330,7 @@ struct pt_regs regs; task = copy_process(CLONE_VM, 0, idle_regs(®s), 0, NULL, - &init_struct_pid, 0); + &init_struct_pid, NULL, 0); if (!IS_ERR(task)) init_idle(task, cpu); @@ -1353,6 +1353,7 @@ struct task_struct *p; int trace = 0; long nr; + pid_t *target_pids = NULL; /* * Do some preliminary argument and permissions checking before we @@ -1393,7 +1394,7 @@ trace = tracehook_prepare_clone(clone_flags); p = copy_process(clone_flags, stack_start, regs, stack_size, - child_tidptr, NULL, trace); + child_tidptr, NULL, target_pids, trace); /* * Do this prior waking up the new thread - the thread pointer * might get invalid after that point, if the thread exits quickly.