Commit 88a4df11 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

genirq/cpuhotplug: Convert to lock guards 



Convert all lock/unlock pairs to guards 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/20250429065420.560083665@linutronix.de
parent 113332a8

kernel/irq/cpuhotplug.c

+4 −6
Original line number Diff line number Diff line
@@ -177,9 +177,8 @@ void irq_migrate_all_off_this_cpu(void) 
		bool affinity_broken;



		desc = irq_to_desc(irq);

		raw_spin_lock(&desc->lock);

		scoped_guard(raw_spinlock, &desc->lock)

			affinity_broken = migrate_one_irq(desc);

		raw_spin_unlock(&desc->lock);



		if (affinity_broken) {

			pr_debug_ratelimited("IRQ %u: no longer affine to CPU%u\n",
@@ -244,9 +243,8 @@ int irq_affinity_online_cpu(unsigned int cpu) 
	irq_lock_sparse();

	for_each_active_irq(irq) {

		desc = irq_to_desc(irq);

		raw_spin_lock_irq(&desc->lock);

		scoped_guard(raw_spinlock, &desc->lock)

			irq_restore_affinity_of_irq(desc, cpu);

		raw_spin_unlock_irq(&desc->lock);

	}

	irq_unlock_sparse();