diff options
| author | Paul E. McKenney <paulmck@kernel.org> | 2025-09-23 02:02:43 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2025-09-23 02:02:43 -0700 |
| commit | ccd0256e697e369fc3cfa57d321074eaeac18dce (patch) | |
| tree | 9acb8218d61855c67003f54072f8eeb4d6e2ec8d /kernel/rcu/tree_plugin.h | |
| parent | 0e9e7023df282c7ec41e3f79e803c8feb49fcbe0 (diff) | |
| parent | 82c427bc935aa5b91d0cabbbc062e71132be2bb8 (diff) | |
Merge branch 'rcu.2025.09.23a' into HEAD
RCU miscellaneous updates:
* Document that rcu_barrier() hurries lazy callbacks
* Remove local_irq_save/restore() in rcu_preempt_deferred_qs_handler()
* Move list_for_each_rcu() to where it belongs
* Replace use of system_wq with system_percpu_wq
* WQ_PERCPU added to alloc_workqueue users
* WQ_UNBOUND added to sync_wq workqueue
Diffstat (limited to 'kernel/rcu/tree_plugin.h')
| -rw-r--r-- | kernel/rcu/tree_plugin.h | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index 4cd170b2d655..d85763336b3c 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -626,11 +626,10 @@ notrace void rcu_preempt_deferred_qs(struct task_struct *t) */ static void rcu_preempt_deferred_qs_handler(struct irq_work *iwp) { - unsigned long flags; struct rcu_data *rdp; + lockdep_assert_irqs_disabled(); rdp = container_of(iwp, struct rcu_data, defer_qs_iw); - local_irq_save(flags); /* * If the IRQ work handler happens to run in the middle of RCU read-side @@ -647,8 +646,6 @@ static void rcu_preempt_deferred_qs_handler(struct irq_work *iwp) */ if (rcu_preempt_depth() > 0) WRITE_ONCE(rdp->defer_qs_iw_pending, DEFER_QS_IDLE); - - local_irq_restore(flags); } /* |