Commit 71c40fd0 authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

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: default avatarIngo Molnar <mingo@kernel.org>
Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent fe21a27e

include/linux/rcutiny.h

+16 −55
Original line number Diff line number Diff line
@@ -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