linux-kernel - [PATCH] genirq: Use cpumask

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Message-ID: <20240906170142.1135207-1-costa.shul@redhat.com>
Date: Fri,  6 Sep 2024 20:01:40 +0300
From: Costa Shulyupin <costa.shul@...hat.com>
To: Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Cc: ming.lei@...hat.com,
	Costa Shulyupin <costa.shul@...hat.com>
Subject: [PATCH] genirq: Use cpumask_intersects()

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@...hat.com>
---
 kernel/irq/chip.c      | 2 +-
 kernel/irq/migration.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index dc94e0bf2c940..271e9139de77f 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -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
diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c
index 61ca924ef4b4c..eb150afd671f6 100644
--- a/kernel/irq/migration.c
+++ b/kernel/irq/migration.c
@@ -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);
-- 
2.45.0