linux-kernel - [tip: irq/core] genirq: Use raw_spinlock_irq() in irq_set_affinity

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Message-ID: <176347960117.498.17350947220693548435.tip-bot2@tip-bot2>
Date: Tue, 18 Nov 2025 15:26:41 -0000
From: "tip-bot2 for Chengkaitao" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Chengkaitao <chengkaitao@...inos.cn>, Thomas Gleixner <tglx@...utronix.de>,
 x86@...nel.org, linux-kernel@...r.kernel.org, maz@...nel.org
Subject:
 [tip: irq/core] genirq: Use raw_spinlock_irq() in irq_set_affinity_notifier()

The following commit has been merged into the irq/core branch of tip:

Commit-ID:     9d3faec60b1303fbec53d7a9b48a8c0fc5ae029b
Gitweb:        https://git.kernel.org/tip/9d3faec60b1303fbec53d7a9b48a8c0fc5ae029b
Author:        Chengkaitao <chengkaitao@...inos.cn>
AuthorDate:    Tue, 18 Nov 2025 09:27:54 +08:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Tue, 18 Nov 2025 16:19:40 +01:00

genirq: Use raw_spinlock_irq() in irq_set_affinity_notifier()

Since irq_set_affinity_notifier() may sleep, interrupts are enabled. So
raw_spinlock_irqsave() can be replaced with raw_spinlock_irq().

Signed-off-by: Chengkaitao <chengkaitao@...inos.cn>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://patch.msgid.link/20251118012754.61805-1-pilgrimtao@gmail.com
---
 kernel/irq/manage.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index c812b6f..c1ce30c 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -547,7 +547,7 @@ int irq_set_affinity_notifier(unsigned int irq, struct irq_affinity_notify *noti
 		INIT_WORK(&notify->work, irq_affinity_notify);
 	}
 
-	scoped_guard(raw_spinlock_irqsave, &desc->lock) {
+	scoped_guard(raw_spinlock_irq, &desc->lock) {
 		old_notify = desc->affinity_notify;
 		desc->affinity_notify = notify;
 	}