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authorKees Cook <keescook@chromium.org>2011-12-14 14:39:26 -0800
committerIngo Molnar <mingo@elte.hu>2011-12-15 08:21:59 +0100
commitabd63bc3a0f65ae9d85bc3b1bb067d3e3c2b2cc2 (patch)
tree5c40dd25121062a186d203fb9343940de740be74 /include
parent6a54aebf6978e9f296a4d3da3e40af425163c22e (diff)
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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@chromium.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Link: http://lkml.kernel.org/r/20111214223925.GA27578@www.outflux.net Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include')
-rw-r--r--include/linux/sched.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index cc8c6206657f..5ef09012a629 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
*/