diff options
| author | Frederic Weisbecker <frederic@kernel.org> | 2023-09-08 23:35:59 +0300 |
|---|---|---|
| committer | Frederic Weisbecker <frederic@kernel.org> | 2023-10-04 18:35:56 +0300 |
| commit | c964c1f5ee96e1460606d44f80a47bdacd8fe568 (patch) | |
| tree | 6de35eee1d52751eec81405a8b62b5f886c39cda /include/linux/rcupdate.h | |
| parent | 358662a9616c5078dc4d389d6bceeb5974f4aa97 (diff) | |
| download | linux-c964c1f5ee96e1460606d44f80a47bdacd8fe568.tar.xz | |
rcu: Assume rcu_report_dead() is always called locally
rcu_report_dead() has to be called locally by the CPU that is going to
exit the RCU state machine. Passing a cpu argument here is error-prone
and leaves the possibility for a racy remote call.
Use local access instead.
Reviewed-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Diffstat (limited to 'include/linux/rcupdate.h')
| -rw-r--r-- | include/linux/rcupdate.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index 5e5f920ade90..aa351ddcbe8d 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -122,7 +122,7 @@ static inline void call_rcu_hurry(struct rcu_head *head, rcu_callback_t func) void rcu_init(void); extern int rcu_scheduler_active; void rcu_sched_clock_irq(int user); -void rcu_report_dead(unsigned int cpu); +void rcu_report_dead(void); void rcutree_migrate_callbacks(int cpu); #ifdef CONFIG_TASKS_RCU_GENERIC |