linux-kernel - [PATCH tip/core/rcu 4/8] kernel: Removing undead ifdef CONFIG_DEBUG_LOCK

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Message-Id: <1285203053-22068-4-git-send-email-paulmck@linux.vnet.ibm.com>
Date:	Wed, 22 Sep 2010 17:50:49 -0700
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, niv@...ibm.com, tglx@...utronix.de,
	peterz@...radead.org, rostedt@...dmis.org, Valdis.Kletnieks@...edu,
	dhowells@...hat.com, eric.dumazet@...il.com,
	Christian Dietrich <qy03fugy@...d.informatik.uni-erlangen.de>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: [PATCH tip/core/rcu 4/8] kernel: Removing undead ifdef CONFIG_DEBUG_LOCK_ALLOC

From: Christian Dietrich <qy03fugy@...d.informatik.uni-erlangen.de>

The CONFIG_DEBUG_LOCK_ALLOC ifdef isn't necessary at this point, because it is
checked in an outer ifdef level already and has no effect here.

Signed-off-by: Christian Dietrich <qy03fugy@...d.informatik.uni-erlangen.de>
Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
---
 kernel/srcu.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/kernel/srcu.c b/kernel/srcu.c
index 2980da3..c71e075 100644
--- a/kernel/srcu.c
+++ b/kernel/srcu.c
@@ -46,11 +46,9 @@ static int init_srcu_struct_fields(struct srcu_struct *sp)
 int __init_srcu_struct(struct srcu_struct *sp, const char *name,
 		       struct lock_class_key *key)
 {
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
 	/* Don't re-initialize a lock while it is held. */
 	debug_check_no_locks_freed((void *)sp, sizeof(*sp));
 	lockdep_init_map(&sp->dep_map, name, key, 0);
-#endif /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */
 	return init_srcu_struct_fields(sp);
 }
 EXPORT_SYMBOL_GPL(__init_srcu_struct);
-- 
1.7.0.6

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