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Commit 17672480 authored by Yury Norov's avatar Yury Norov Committed by Paul E. McKenney
Browse files

rcu: Declare rcu_eqs_special_set() in public header 



Because rcu_eqs_special_set() is declared only in internal header
kernel/rcu/tree.h and stubbed in include/linux/rcutiny.h, it is
inaccessible outside of the RCU implementation.  This patch therefore
moves the  rcu_eqs_special_set() declaration to include/linux/rcutree.h,
which allows it to be used in non-rcu kernel code.

Signed-off-by: default avatarYury Norov <ynorov@caviumnetworks.com>
Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Tested-by: default avatarNicholas Piggin <npiggin@gmail.com>
parent 265f5f28

include/linux/rcutree.h

+1 −0
Original line number Diff line number Diff line
@@ -74,6 +74,7 @@ static inline void synchronize_rcu_bh_expedited(void) 
void rcu_barrier(void);

void rcu_barrier_bh(void);

void rcu_barrier_sched(void);

bool rcu_eqs_special_set(int cpu);

unsigned long get_state_synchronize_rcu(void);

void cond_synchronize_rcu(unsigned long oldstate);

unsigned long get_state_synchronize_sched(void);

kernel/rcu/tree.h

+0 −1
Original line number Diff line number Diff line
@@ -404,7 +404,6 @@ extern struct rcu_state rcu_preempt_state; 
#endif /* #ifdef CONFIG_PREEMPT_RCU */



int rcu_dynticks_snap(struct rcu_dynticks *rdtp);

bool rcu_eqs_special_set(int cpu);



#ifdef CONFIG_RCU_BOOST

DECLARE_PER_CPU(unsigned int, rcu_cpu_kthread_status);