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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2010-03-30 15:46:01 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2010-05-10 11:08:32 -0700 |
| commit | da848c47bc6e873a54a445ea1960423a495b6b32 (patch) | |
| tree | 4c0eaef1a5990585730f00caca0cfcba21fe9f9f /include | |
| parent | 32c141a0a1dfa29e0a07d78bec0c0919fc4b9f88 (diff) | |
| download | linux-stable-da848c47bc6e873a54a445ea1960423a495b6b32.tar.gz linux-stable-da848c47bc6e873a54a445ea1960423a495b6b32.tar.bz2 linux-stable-da848c47bc6e873a54a445ea1960423a495b6b32.zip | |
rcu: shrink rcutiny by making synchronize_rcu_bh() be inline
Because synchronize_rcu_bh() is identical to synchronize_sched(),
make the former a static inline invoking the latter, saving the
overhead of an EXPORT_SYMBOL_GPL() and the duplicate code.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/rcupdate.h | 2 | ||||
| -rw-r--r-- | include/linux/rcutiny.h | 12 | ||||
| -rw-r--r-- | include/linux/rcutree.h | 2 |
3 files changed, 13 insertions, 3 deletions
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index 02537a72aaa4..d8fb2abcf303 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -56,8 +56,6 @@ struct rcu_head { }; /* Exported common interfaces */ -extern void synchronize_rcu_bh(void); -extern void synchronize_sched(void); extern void rcu_barrier(void); extern void rcu_barrier_bh(void); extern void rcu_barrier_sched(void); diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h index a5195875480a..bbeb55b7709b 100644 --- a/include/linux/rcutiny.h +++ b/include/linux/rcutiny.h @@ -74,7 +74,17 @@ static inline void rcu_sched_force_quiescent_state(void) { } -#define synchronize_rcu synchronize_sched +extern void synchronize_sched(void); + +static inline void synchronize_rcu(void) +{ + synchronize_sched(); +} + +static inline void synchronize_rcu_bh(void) +{ + synchronize_sched(); +} static inline void synchronize_rcu_expedited(void) { diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h index 42cc3a04779e..7484fe66a3aa 100644 --- a/include/linux/rcutree.h +++ b/include/linux/rcutree.h @@ -86,6 +86,8 @@ static inline void __rcu_read_unlock_bh(void) extern void call_rcu_sched(struct rcu_head *head, void (*func)(struct rcu_head *rcu)); +extern void synchronize_rcu_bh(void); +extern void synchronize_sched(void); extern void synchronize_rcu_expedited(void); static inline void synchronize_rcu_bh_expedited(void) |