[patch V2 40/45] genirq/manage: Rework disable_percpu_irq()

Thomas Gleixner
2025-04-29T06:55:49Z

Use the new guards to get and lock the interrupt descriptor and tidy up the
code.

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

---
kernel/irq/manage.c | 11 ++---------
1 file changed, 2 insertions(+), 9 deletions(-)

--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -2329,15 +2329,8 @@ EXPORT_SYMBOL_GPL(irq_percpu_is_enabled)

void disable_percpu_irq(unsigned int irq)
{
- unsigned int cpu = smp_processor_id();
- unsigned long flags;
- struct irq_desc *desc = irq_get_desc_lock(irq, &flags, IRQ_GET_DESC_CHECK_PERCPU);
-
- if (!desc)
- return;
-
- irq_percpu_disable(desc, cpu);
- irq_put_desc_unlock(desc, flags);
+ scoped_irqdesc_get_and_lock(irq, IRQ_GET_DESC_CHECK_PERCPU)
+ irq_percpu_disable(scoped_irqdesc, smp_processor_id());
}
EXPORT_SYMBOL_GPL(disable_percpu_irq);