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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: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/all/20250429065422.435932527@linutronix.de
pull/1250/head
Thomas Gleixner 2025-04-29 08:55:47 +02:00
parent b171f712d6
commit 8e3f672b19
1 changed files with 2 additions and 9 deletions
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11
kernel/irq/manage.c
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@ -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);