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genirq/cpuhotplug: Convert to lock guards

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Convert all lock/unlock pairs to guards 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/20250429065420.560083665@linutronix.de
This commit is contained in:
Thomas Gleixner 2025-04-29 08:55:01 +02:00
parent 113332a865
commit 88a4df117a
1 changed files with 4 additions and 6 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

10
kernel/irq/cpuhotplug.c
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@ -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);
affinity_broken = migrate_one_irq(desc);
raw_spin_unlock(&desc->lock);
scoped_guard(raw_spinlock, &desc->lock)
affinity_broken = migrate_one_irq(desc);
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);
irq_restore_affinity_of_irq(desc, cpu);
raw_spin_unlock_irq(&desc->lock);
scoped_guard(raw_spinlock, &desc->lock)
irq_restore_affinity_of_irq(desc, cpu);
}
irq_unlock_sparse();