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rcu: in_irq() cleanup

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This commit replaces the obsolete and ambiguous macro in_irq() with its
shiny new in_hardirq() equivalent.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Changbin Du 2021-09-28 08:21:28 +08:00 • committed by Paul E. McKenney
parent 24ba53017e
commit 2407a64f80
3 changed files with 3 additions and 3 deletions
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2
kernel/rcu/tree_plugin.h
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@ -642,7 +642,7 @@ static void rcu_read_unlock_special(struct task_struct *t)
(IS_ENABLED(CONFIG_RCU_BOOST) && irqs_were_disabled &&
t->rcu_blocked_node);
// Need to defer quiescent state until everything is enabled.
if (use_softirq && (in_irq() || (expboost && !irqs_were_disabled))) {
if (use_softirq && (in_hardirq() || (expboost && !irqs_were_disabled))) {
// Using softirq, safe to awaken, and either the
// wakeup is free or there is either an expedited
// GP in flight or a potential need to deboost.