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rcu: Declare rcu_eqs_special_set() in public header

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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: Yury Norov <ynorov@caviumnetworks.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Tested-by: Nicholas Piggin <npiggin@gmail.com>
This commit is contained in:
Yury Norov 2018-03-25 20:50:03 +03:00 committed by Paul E. McKenney
parent 265f5f28f0
commit 17672480fb
2 changed files with 1 additions and 1 deletions
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1
include/linux/rcutree.h
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@ -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);

1
kernel/rcu/tree.h
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@ -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);