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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2009-08-22 13:56:47 -0700
committerIngo Molnar <mingo@elte.hu>2009-08-23 10:32:37 +0200
commitbc33f24bdca8b6e97376e3a182ab69e6cdefa989 (patch)
tree86b56c35677fe19e6a2f39414526ece3625dcb32 /include/linux/rcutree.h
parentd6714c22b43fbcbead7e7b706ff270e15f04a791 (diff)
rcu: Consolidate sparse and lockdep declarations in include/linux/rcupdate.h
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: laijs@cn.fujitsu.com Cc: dipankar@in.ibm.com Cc: akpm@linux-foundation.org Cc: mathieu.desnoyers@polymtl.ca Cc: josht@linux.vnet.ibm.com Cc: dvhltc@us.ibm.com Cc: niv@us.ibm.com Cc: peterz@infradead.org Cc: rostedt@goodmis.org LKML-Reference: <12509746132349-git-send-email-> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/rcutree.h')
-rw-r--r--include/linux/rcutree.h18
1 files changed, 0 insertions, 18 deletions
diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h
index a0852d0d915b..8a0222ce3b13 100644
--- a/include/linux/rcutree.h
+++ b/include/linux/rcutree.h
@@ -36,38 +36,20 @@ extern void rcu_bh_qs(int cpu);
extern int rcu_pending(int cpu);
extern int rcu_needs_cpu(int cpu);
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
-extern struct lockdep_map rcu_lock_map;
-# define rcu_read_acquire() \
- lock_acquire(&rcu_lock_map, 0, 0, 2, 1, NULL, _THIS_IP_)
-# define rcu_read_release() lock_release(&rcu_lock_map, 1, _THIS_IP_)
-#else
-# define rcu_read_acquire() do { } while (0)
-# define rcu_read_release() do { } while (0)
-#endif
-
static inline void __rcu_read_lock(void)
{
preempt_disable();
- __acquire(RCU);
- rcu_read_acquire();
}
static inline void __rcu_read_unlock(void)
{
- rcu_read_release();
- __release(RCU);
preempt_enable();
}
static inline void __rcu_read_lock_bh(void)
{
local_bh_disable();
- __acquire(RCU_BH);
- rcu_read_acquire();
}
static inline void __rcu_read_unlock_bh(void)
{
- rcu_read_release();
- __release(RCU_BH);
local_bh_enable();
}