From: Paul E. McKenney Date: Wed, 3 Mar 2010 15:46:58 +0000 (-0800) Subject: rcu, cgroup: Relax the check in task_subsys_state() as early boot is now handled... X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=5ed42b8113667c06a6ff2c72717395b5044d30a1;p=linux-beck.git rcu, cgroup: Relax the check in task_subsys_state() as early boot is now handled by lockdep-RCU This patch removes the check for !rcu_scheduler_active because this check has been incorporated into rcu_dereference_check(). Signed-off-by: Paul E. McKenney Cc: laijs@cn.fujitsu.com Cc: dipankar@in.ibm.com Cc: mathieu.desnoyers@polymtl.ca Cc: josh@joshtriplett.org Cc: dvhltc@us.ibm.com Cc: niv@us.ibm.com Cc: peterz@infradead.org Cc: rostedt@goodmis.org Cc: Valdis.Kletnieks@vt.edu Cc: dhowells@redhat.com LKML-Reference: <1267631219-8713-3-git-send-email-paulmck@linux.vnet.ibm.com> Signed-off-by: Ingo Molnar --- diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index a73e1ced09b8..c9bbcb2a75ae 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -489,7 +489,6 @@ static inline struct cgroup_subsys_state *task_subsys_state( { return rcu_dereference_check(task->cgroups->subsys[subsys_id], rcu_read_lock_held() || - !rcu_scheduler_active || cgroup_lock_is_held()); }