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| author | Michal Hocko <mhocko@suse.cz> | 2011-07-08 14:39:41 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-07-08 22:21:58 +0200 |
| commit | d8bf4ca9ca9576548628344c9725edd3786e90b1 (patch) | |
| tree | df338f50a5af6bc3651bd863b79fa91e6b1e9e20 /kernel/pid.c | |
| parent | eb032b9837a958e21ca000358a5bde5e17192ddb (diff) | |
| download | linux-d8bf4ca9ca9576548628344c9725edd3786e90b1.tar.gz linux-d8bf4ca9ca9576548628344c9725edd3786e90b1.tar.bz2 linux-d8bf4ca9ca9576548628344c9725edd3786e90b1.zip | |
rcu: treewide: Do not use rcu_read_lock_held when calling rcu_dereference_check
Since ca5ecddf (rcu: define __rcu address space modifier for sparse)
rcu_dereference_check use rcu_read_lock_held as a part of condition
automatically so callers do not have to do that as well.
Signed-off-by: Michal Hocko <mhocko@suse.cz>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'kernel/pid.c')
| -rw-r--r-- | kernel/pid.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/kernel/pid.c b/kernel/pid.c index 57a8346a270e..e432057f3b21 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -405,7 +405,6 @@ struct task_struct *pid_task(struct pid *pid, enum pid_type type) if (pid) { struct hlist_node *first; first = rcu_dereference_check(hlist_first_rcu(&pid->tasks[type]), - rcu_read_lock_held() || lockdep_tasklist_lock_is_held()); if (first) result = hlist_entry(first, struct task_struct, pids[(type)].node); |