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Commit 162cc279 authored by Paul E. McKenney's avatar Paul E. McKenney Committed by Ingo Molnar
Browse files

rcu: Fix rcu_lock_map build failure on CONFIG_PROVE_LOCKING=y 



Move the rcu_lock_map definition from rcutree.c to rcupdate.c so that
TINY_RCU can use lockdep.

Reported-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 9b2619af

kernel/rcupdate.c

+7 −0
Original line number Diff line number Diff line
@@ -46,6 +46,13 @@ 
#include <linux/module.h>

#include <linux/kernel_stat.h>



#ifdef CONFIG_DEBUG_LOCK_ALLOC

static struct lock_class_key rcu_lock_key;

struct lockdep_map rcu_lock_map =

	STATIC_LOCKDEP_MAP_INIT("rcu_read_lock", &rcu_lock_key);

EXPORT_SYMBOL_GPL(rcu_lock_map);

#endif



enum rcu_barrier {

	RCU_BARRIER_STD,

	RCU_BARRIER_BH,

kernel/rcutree.c

+0 −7
Original line number Diff line number Diff line
@@ -49,13 +49,6 @@ 


#include "rcutree.h"



#ifdef CONFIG_DEBUG_LOCK_ALLOC

static struct lock_class_key rcu_lock_key;

struct lockdep_map rcu_lock_map =

	STATIC_LOCKDEP_MAP_INIT("rcu_read_lock", &rcu_lock_key);

EXPORT_SYMBOL_GPL(rcu_lock_map);

#endif



/* Data structures. */



#define RCU_STATE_INITIALIZER(name) { \