linux-kernel - [PATCH RFC tip/core/rcu 2/2] rcu: revert 1883c79a: early boot now handled by lockdep-RCU

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Message-Id: <1267470234-27150-2-git-send-email-paulmck@linux.vnet.ibm.com>
Date:	Mon,  1 Mar 2010 11:03:54 -0800
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	mingo@...e.hu, laijs@...fujitsu.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...ymtl.ca,
	josh@...htriplett.org, dvhltc@...ibm.com, niv@...ibm.com,
	tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org,
	Valdis.Kletnieks@...edu, dhowells@...hat.com,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: [PATCH RFC tip/core/rcu 2/2] rcu: revert 1883c79a: early boot 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 <paulmck@...ux.vnet.ibm.com>
---
 include/linux/cgroup.h |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index a73e1ce..c9bbcb2 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());
 }
 
-- 
1.6.6

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