diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2025-04-29 08:55:47 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2025-05-07 09:08:16 +0200 |
| commit | 8e3f672b1949d58462e23abdc41c039a82e685fd (patch) | |
| tree | 96e63c924a9ac476858c11695ea8e44a3db0ab45 | |
| parent | b171f712d6ef1ae073d18e8ea9df1e96eb34f226 (diff) | |
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
| -rw-r--r-- | kernel/irq/manage.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 3a491c7c0679..a57e95254fdb 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -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); |