| Message ID | 20240802003426.4134196-3-paulmck@kernel.org (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 152ada7494a8f4e734ce7aa3a5e160c0bb453029 |
| Headers | show |
| Series | Add RCU Tasks diagnostics and documentation | expand |
diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h index f035fd4e579b4..feb3ac1dc5d59 100644 --- a/kernel/rcu/rcu.h +++ b/kernel/rcu/rcu.h @@ -252,6 +252,11 @@ static inline void debug_rcu_head_callback(struct rcu_head *rhp) kmem_dump_obj(rhp); } +static inline bool rcu_barrier_cb_is_done(struct rcu_head *rhp) +{ + return rhp->next == rhp; +} + extern int rcu_cpu_stall_suppress_at_boot; static inline bool rcu_stall_is_suppressed_at_boot(void)
This commit provides a rcu_barrier_cb_is_done() function that returns true if the *rcu_barrier*() callback passed in is done. This will be used when printing grace-period debugging information. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> --- kernel/rcu/rcu.h | 5 +++++ 1 file changed, 5 insertions(+)