diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2025-11-16 21:51:07 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2025-11-20 22:26:09 +0100 |
| commit | c04507ac500e2cc8048000c2a849588227554e06 (patch) | |
| tree | de3fbbf4ddfa82367a42000eedc10a1708d36e61 /kernel/rcu/tree_plugin.h | |
| parent | 33cf66d88306663d16e4759e9d24766b0aaa2e17 (diff) | |
sched: Provide and use set_need_resched_current()
set_tsk_need_resched(current) requires set_preempt_need_resched(current) to
work correctly outside of the scheduler.
Provide set_need_resched_current() which wraps this correctly and replace
all the open coded instances.
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://patch.msgid.link/20251116174750.665769842@linutronix.de
Diffstat (limited to 'kernel/rcu/tree_plugin.h')
| -rw-r--r-- | kernel/rcu/tree_plugin.h | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index d85763336b3c..dbe2d02be824 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -753,8 +753,7 @@ static void rcu_read_unlock_special(struct task_struct *t) // Also if no expediting and no possible deboosting, // slow is OK. Plus nohz_full CPUs eventually get // tick enabled. - set_tsk_need_resched(current); - set_preempt_need_resched(); + set_need_resched_current(); if (IS_ENABLED(CONFIG_IRQ_WORK) && irqs_were_disabled && needs_exp && rdp->defer_qs_iw_pending != DEFER_QS_PENDING && cpu_online(rdp->cpu)) { @@ -813,10 +812,8 @@ static void rcu_flavor_sched_clock_irq(int user) if (rcu_preempt_depth() > 0 || (preempt_count() & (PREEMPT_MASK | SOFTIRQ_MASK))) { /* No QS, force context switch if deferred. */ - if (rcu_preempt_need_deferred_qs(t)) { - set_tsk_need_resched(t); - set_preempt_need_resched(); - } + if (rcu_preempt_need_deferred_qs(t)) + set_need_resched_current(); } else if (rcu_preempt_need_deferred_qs(t)) { rcu_preempt_deferred_qs(t); /* Report deferred QS. */ return; |