linux-kernel - [tip:core/locking] lockdep: initialize lockdep debugging statistics

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Date:	Thu, 5 Mar 2009 10:48:32 GMT
From:	David Rientjes <rientjes@...gle.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	peterz@...radead.org, tglx@...utronix.de, rientjes@...gle.com,
	mingo@...e.hu
Subject: [tip:core/locking] lockdep: initialize lockdep debugging statistics

Commit-ID:  742bbc4022d117bccf9c8a86c8e500dfa97e2f70
Gitweb:     http://git.kernel.org/tip/742bbc4022d117bccf9c8a86c8e500dfa97e2f70
Author:     "David Rientjes" <rientjes@...gle.com>
AuthorDate: Thu, 5 Mar 2009 02:29:06 -0800
Commit:     Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 5 Mar 2009 11:46:00 +0100

lockdep: initialize lockdep debugging statistics

Impact: cleanup

The CONFIG_DEBUG_LOCKDEP statistics need to be initialized with
ATOMIC_INIT(0) since they are of type atomic_t.

Signed-off-by: David Rientjes <rientjes@...gle.com>
Acked-by: Peter Zijlstra <peterz@...radead.org>
LKML-Reference: <alpine.DEB.2.00.0903050223240.30401@...no.kir.corp.google.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 kernel/lockdep.c |   34 +++++++++++++++++-----------------
 1 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 9a1e2bc..3f7ff12 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -416,23 +416,23 @@ static struct stack_trace lockdep_init_trace = {
 /*
  * Various lockdep statistics:
  */
-atomic_t chain_lookup_hits;
-atomic_t chain_lookup_misses;
-atomic_t hardirqs_on_events;
-atomic_t hardirqs_off_events;
-atomic_t redundant_hardirqs_on;
-atomic_t redundant_hardirqs_off;
-atomic_t softirqs_on_events;
-atomic_t softirqs_off_events;
-atomic_t redundant_softirqs_on;
-atomic_t redundant_softirqs_off;
-atomic_t nr_unused_locks;
-atomic_t nr_cyclic_checks;
-atomic_t nr_cyclic_check_recursions;
-atomic_t nr_find_usage_forwards_checks;
-atomic_t nr_find_usage_forwards_recursions;
-atomic_t nr_find_usage_backwards_checks;
-atomic_t nr_find_usage_backwards_recursions;
+atomic_t chain_lookup_hits = ATOMIC_INIT(0);
+atomic_t chain_lookup_misses = ATOMIC_INIT(0);
+atomic_t hardirqs_on_events = ATOMIC_INIT(0);
+atomic_t hardirqs_off_events = ATOMIC_INIT(0);
+atomic_t redundant_hardirqs_on = ATOMIC_INIT(0);
+atomic_t redundant_hardirqs_off = ATOMIC_INIT(0);
+atomic_t softirqs_on_events = ATOMIC_INIT(0);
+atomic_t softirqs_off_events = ATOMIC_INIT(0);
+atomic_t redundant_softirqs_on = ATOMIC_INIT(0);
+atomic_t redundant_softirqs_off = ATOMIC_INIT(0);
+atomic_t nr_unused_locks = ATOMIC_INIT(0);
+atomic_t nr_cyclic_checks = ATOMIC_INIT(0);
+atomic_t nr_cyclic_check_recursions = ATOMIC_INIT(0);
+atomic_t nr_find_usage_forwards_checks = ATOMIC_INIT(0);
+atomic_t nr_find_usage_forwards_recursions = ATOMIC_INIT(0);
+atomic_t nr_find_usage_backwards_checks = ATOMIC_INIT(0);
+atomic_t nr_find_usage_backwards_recursions = ATOMIC_INIT(0);
 #endif
 
 /*
--
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