linux-kernel - [PATCH-tip] locking/lockdep: Remove duplicated lock_class

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Date:   Fri, 12 Oct 2018 17:42:27 -0400
From:   Waiman Long <longman@...hat.com>
To:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Will Deacon <will.deacon@....com>,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     linux-kernel@...r.kernel.org, Waiman Long <longman@...hat.com>
Subject: [PATCH-tip] locking/lockdep: Remove duplicated lock_class_ops percpu array

Remove the duplicated lock_class_ops percpu array that is not used
anywhere.

Fixes: 8ca2b56cd7da ("locking/lockdep: Make class->ops a percpu counter
and move it under CONFIG_DEBUG_LOCKDEP=y")

Signed-off-by: Waiman Long <longman@...hat.com>
---
 kernel/locking/lockdep.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index 5faeb2e..be76f47 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -435,7 +435,6 @@ static int save_trace(struct stack_trace *trace)
  * Various lockdep statistics:
  */
 DEFINE_PER_CPU(struct lockdep_stats, lockdep_stats);
-DEFINE_PER_CPU(unsigned long [MAX_LOCKDEP_KEYS], lock_class_ops);
 #endif
 
 /*
-- 
1.8.3.1