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Commit fe21a27e authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

rcu: Move rcu_request_urgent_qs_task() out of rcutiny.h and rcutree.h 



The rcu_request_urgent_qs_task() function is used only within RCU,
so there is no point in exporting it to the rest of the kernel from
nclude/linux/rcutiny.h and include/linux/rcutree.h.  This commit therefore
moves this function to kernel/rcu/rcu.h.

Reported-by: default avatarIngo Molnar <mingo@kernel.org>
Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent e3c8d51e

include/linux/rcutiny.h

+0 −4
Original line number Diff line number Diff line
@@ -157,10 +157,6 @@ static inline bool rcu_is_watching(void) 
	return true;

}



static inline void rcu_request_urgent_qs_task(struct task_struct *t)

{

}



static inline void rcu_all_qs(void)

{

	barrier(); /* Avoid RCU read-side critical sections leaking across. */

include/linux/rcutree.h

+0 −3
Original line number Diff line number Diff line
@@ -91,10 +91,7 @@ void exit_rcu(void); 


void rcu_scheduler_starting(void);

extern int rcu_scheduler_active __read_mostly;



bool rcu_is_watching(void);

void rcu_request_urgent_qs_task(struct task_struct *t);



void rcu_all_qs(void);



/* RCUtree hotplug events */

kernel/rcu/rcu.h

+6 −0
Original line number Diff line number Diff line
@@ -335,6 +335,12 @@ void rcupdate_announce_bootup_oddness(void); 
#define RCU_SCHEDULER_INIT	1

#define RCU_SCHEDULER_RUNNING	2



#ifdef CONFIG_TINY_RCU

static inline void rcu_request_urgent_qs_task(struct task_struct *t) { }

#else /* #ifdef CONFIG_TINY_RCU */

void rcu_request_urgent_qs_task(struct task_struct *t);

#endif /* #else #ifdef CONFIG_TINY_RCU */



enum rcutorture_type {

	RCU_FLAVOR,

	RCU_BH_FLAVOR,