Commit 58d4292b authored by Ingo Molnar's avatar Ingo Molnar Committed by Paul E. McKenney
Browse files

rcu: Uninline multi-use function: finish_rcuwait() 



This is a rarely used function, so uninlining its 3 instructions
is probably a win or a wash - but the main motivation is to
make <linux/rcuwait.h> independent of task_struct details.

Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
Signed-off-by: default avatarPaul E. McKenney <paulmck@kernel.org>
parent c0992903

include/linux/rcuwait.h

+1 −5
Original line number Diff line number Diff line
@@ -47,11 +47,7 @@ static inline void prepare_to_rcuwait(struct rcuwait *w) 
	rcu_assign_pointer(w->task, current);

}



static inline void finish_rcuwait(struct rcuwait *w)

{

        rcu_assign_pointer(w->task, NULL);

	__set_current_state(TASK_RUNNING);

}

extern void finish_rcuwait(struct rcuwait *w);



#define rcuwait_wait_event(w, condition, state)				\

({									\

kernel/rcu/update.c

+7 −0
Original line number Diff line number Diff line
@@ -407,6 +407,13 @@ void __wait_rcu_gp(bool checktiny, int n, call_rcu_func_t *crcu_array, 
}

EXPORT_SYMBOL_GPL(__wait_rcu_gp);



void finish_rcuwait(struct rcuwait *w)

{

	rcu_assign_pointer(w->task, NULL);

	__set_current_state(TASK_RUNNING);

}

EXPORT_SYMBOL_GPL(finish_rcuwait);



#ifdef CONFIG_DEBUG_OBJECTS_RCU_HEAD

void init_rcu_head(struct rcu_head *head)

{