Commit 8e3f672b authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

genirq/manage: Rework disable_percpu_irq() 



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

No functional change.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Acked-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/all/20250429065422.435932527@linutronix.de
parent b171f712

kernel/irq/manage.c

+2 −9
Original line number Diff line number Diff line
@@ -2330,15 +2330,8 @@ 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);