Messages in this thread Patch in this message | | | Date | Wed, 14 Dec 2011 14:39:26 -0800 | From | Kees Cook <> | Subject | [PATCH] sched: mark parent and real_parent as __rcu |
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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> --- 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 1c4f3e9..b05e8af 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1315,8 +1315,8 @@ 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 */ -- 1.7.0.4
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