kevin/linux
1
Fork 0
Code

genirq: Use cpumask_intersects()

Browse Source 
Replace `cpumask_any_and(a, b) >= nr_cpu_ids` and `cpumask_any_and(a, b) <
nr_cpu_ids` with the more readable `!cpumask_intersects(a, b)` and
`cpumask_intersects(a, b)`

Signed-off-by: Costa Shulyupin <costa.shul@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20240906170142.1135207-1-costa.shul@redhat.com
This commit is contained in:
Costa Shulyupin 2024-09-06 20:01:40 +03:00 committed by Thomas Gleixner
parent 87b5a153b8
commit a6fe30d1e3
2 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
kernel/irq/chip.c
View File

@ -198,7 +198,7 @@ __irq_startup_managed(struct irq_desc *desc, const struct cpumask *aff,
irqd_clr_managed_shutdown(d);
if (cpumask_any_and(aff, cpu_online_mask) >= nr_cpu_ids) {
if (!cpumask_intersects(aff, cpu_online_mask)) {
/*
* Catch code which fiddles with enable_irq() on a managed
* and potentially shutdown IRQ. Chained interrupt

4
kernel/irq/migration.c
View File

@ -26,7 +26,7 @@ bool irq_fixup_move_pending(struct irq_desc *desc, bool force_clear)
* The outgoing CPU might be the last online target in a pending
* interrupt move. If that's the case clear the pending move bit.
*/
if (cpumask_any_and(desc->pending_mask, cpu_online_mask) >= nr_cpu_ids) {
if (!cpumask_intersects(desc->pending_mask, cpu_online_mask)) {
irqd_clr_move_pending(data);
return false;
}
@ -74,7 +74,7 @@ void irq_move_masked_irq(struct irq_data *idata)
* For correct operation this depends on the caller
* masking the irqs.
*/
if (cpumask_any_and(desc->pending_mask, cpu_online_mask) < nr_cpu_ids) {
if (cpumask_intersects(desc->pending_mask, cpu_online_mask)) {
int ret;
ret = irq_do_set_affinity(data, desc->pending_mask, false);