Commit-ID: 71c40fd0b5ceb300c6cb8753835d9d94a8bfc56f
Gitweb: http://git.kernel.org/tip/71c40fd0b5ceb300c6cb8753835d9d94a8bfc56f
Author: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
AuthorDate: Wed, 3 May 2017 13:51:42 -0700
Committer: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
CommitDate: Thu, 8 Jun 2017 18:52:34 -0700
rcu: Move rcutiny.h to new empty/true/false-function style
This commit saves a few lines in include/linux/rcutiny.h by moving
to single-line definitions for empty functions, instead of the old
style where the two curly braces each get their own line.
Reported-by: Ingo Molnar <mingo@xxxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
include/linux/rcutiny.h | 71 +++++++++++--------------------------------------
1 file changed, 16 insertions(+), 55 deletions(-)
diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h
index f506794..2bfe48b 100644
--- a/include/linux/rcutiny.h
+++ b/include/linux/rcutiny.h
@@ -33,10 +33,8 @@ static inline int rcu_dynticks_snap(struct rcu_dynticks *rdtp)
return 0;
}
-static inline bool rcu_eqs_special_set(int cpu)
-{
- return false; /* Never flag non-existent other CPUs! */
-}
+/* Never flag non-existent other CPUs! */
+static inline bool rcu_eqs_special_set(int cpu) { return false; }
static inline unsigned long get_state_synchronize_rcu(void)
{
@@ -102,65 +100,28 @@ static inline void kfree_call_rcu(struct rcu_head *head,
* Take advantage of the fact that there is only one CPU, which
* allows us to ignore virtualization-based context switches.
*/
-static inline void rcu_virt_note_context_switch(int cpu)
-{
-}
-
-static inline void rcu_cpu_stall_reset(void)
-{
-}
-
-static inline void rcu_idle_enter(void)
-{
-}
-
-static inline void rcu_idle_exit(void)
-{
-}
-
-static inline void rcu_irq_enter(void)
-{
-}
-
-static inline bool rcu_irq_enter_disabled(void)
-{
- return false;
-}
-
-static inline void rcu_irq_exit_irqson(void)
-{
-}
-
-static inline void rcu_irq_enter_irqson(void)
-{
-}
-
-static inline void rcu_irq_exit(void)
-{
-}
-
-static inline void exit_rcu(void)
-{
-}
+static inline void rcu_virt_note_context_switch(int cpu) { }
+static inline void rcu_cpu_stall_reset(void) { }
+static inline void rcu_idle_enter(void) { }
+static inline void rcu_idle_exit(void) { }
+static inline void rcu_irq_enter(void) { }
+static inline bool rcu_irq_enter_disabled(void) { return false; }
+static inline void rcu_irq_exit_irqson(void) { }
+static inline void rcu_irq_enter_irqson(void) { }
+static inline void rcu_irq_exit(void) { }
+static inline void exit_rcu(void) { }
#if defined(CONFIG_DEBUG_LOCK_ALLOC) || defined(CONFIG_SRCU)
extern int rcu_scheduler_active __read_mostly;
void rcu_scheduler_starting(void);
#else /* #if defined(CONFIG_DEBUG_LOCK_ALLOC) || defined(CONFIG_SRCU) */
-static inline void rcu_scheduler_starting(void)
-{
-}
+static inline void rcu_scheduler_starting(void) { }
#endif /* #else #if defined(CONFIG_DEBUG_LOCK_ALLOC) || defined(CONFIG_SRCU) */
-static inline bool rcu_is_watching(void)
-{
- return true;
-}
+static inline bool rcu_is_watching(void) { return true; }
-static inline void rcu_all_qs(void)
-{
- barrier(); /* Avoid RCU read-side critical sections leaking across. */
-}
+/* Avoid RCU read-side critical sections leaking across. */
+static inline void rcu_all_qs(void) { barrier(); }
/* RCUtree hotplug events */
#define rcutree_prepare_cpu NULL
--
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