diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2025-04-29 08:55:46 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2025-05-07 09:08:16 +0200 |
| commit | b171f712d6ef1ae073d18e8ea9df1e96eb34f226 (patch) | |
| tree | aba1f4493ba663ffa52e896d8a02f2c1867e5b43 /kernel/irq/manage.c | |
| parent | 508bd94c3ad4bd8b5dba8280198ce1eb31eb625a (diff) | |
genirq/manage: Rework irq_percpu_is_enabled()
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/20250429065422.376836282@linutronix.de
Diffstat (limited to 'kernel/irq/manage.c')
| -rw-r--r-- | kernel/irq/manage.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index e27fa4e2fd1e..3a491c7c0679 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -2322,19 +2322,9 @@ void enable_percpu_nmi(unsigned int irq, unsigned int type) */ bool irq_percpu_is_enabled(unsigned int irq) { - unsigned int cpu = smp_processor_id(); - struct irq_desc *desc; - unsigned long flags; - bool is_enabled; - - desc = irq_get_desc_lock(irq, &flags, IRQ_GET_DESC_CHECK_PERCPU); - if (!desc) - return false; - - is_enabled = cpumask_test_cpu(cpu, desc->percpu_enabled); - irq_put_desc_unlock(desc, flags); - - return is_enabled; + scoped_irqdesc_get_and_lock(irq, IRQ_GET_DESC_CHECK_PERCPU) + return cpumask_test_cpu(smp_processor_id(), scoped_irqdesc->percpu_enabled); + return false; } EXPORT_SYMBOL_GPL(irq_percpu_is_enabled); |