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Message-ID: <tip-abd63bc3a0f65ae9d85bc3b1bb067d3e3c2b2cc2@git.kernel.org>
Date: Thu, 15 Dec 2011 01:56:45 -0800
From: tip-bot for Kees Cook <keescook@...omium.org>
To: linux-tip-commits@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
peterz@...radead.org, viro@...iv.linux.org.uk,
paulmck@...ux.vnet.ibm.com, keescook@...omium.org,
tglx@...utronix.de, mingo@...e.hu
Subject: [tip:sched/core] sched: Mark parent and real_parent as __rcu
Commit-ID: abd63bc3a0f65ae9d85bc3b1bb067d3e3c2b2cc2
Gitweb: http://git.kernel.org/tip/abd63bc3a0f65ae9d85bc3b1bb067d3e3c2b2cc2
Author: Kees Cook <keescook@...omium.org>
AuthorDate: Wed, 14 Dec 2011 14:39:26 -0800
Committer: Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 15 Dec 2011 08:21:59 +0100
sched: Mark parent and real_parent as __rcu
The parent and real_parent pointers should be considered __rcu,
since they should be held under either tasklist_lock or
rcu_read_lock.
Signed-off-by: Kees Cook <keescook@...omium.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
Cc: Al Viro <viro@...iv.linux.org.uk>
Link: http://lkml.kernel.org/r/20111214223925.GA27578@www.outflux.net
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
include/linux/sched.h | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index cc8c620..5ef0901 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1330,8 +1330,8 @@ struct task_struct {
* older sibling, respectively. (p->father can be replaced with
* p->real_parent->pid)
*/
- struct task_struct *real_parent; /* real parent process */
- struct task_struct *parent; /* recipient of SIGCHLD, wait4() reports */
+ struct task_struct __rcu *real_parent; /* real parent process */
+ struct task_struct __rcu *parent; /* recipient of SIGCHLD, wait4() reports */
/*
* children/sibling forms the list of my natural children
*/
--
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