IRQ fix

Linus,

Please pull the latest irq/urgent Git tree from:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq-urgent-2025-12-21

# HEAD: fbbd7ce627af733ded7971b2495b0d099a0a80da genirq: Don't overwrite interrupt thread flags on setup

Fix IRQ thread affinity flags setup regression.

Thanks,

Ingo

------------------>
Thomas Gleixner (1):
genirq: Don't overwrite interrupt thread flags on setup

 kernel/irq/manage.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

index 8b1b4c8a4f54..349ae7979da0 100644
@@ -1414,7 +1414,7 @@ setup_irq_thread(struct irqaction *new, unsigned int irq, bool secondary)
 	 * Ensure the thread adjusts the affinity once it reaches the
 	 * thread function.
 	 */
-	new->thread_flags = BIT(IRQTF_AFFINITY);
+	set_bit(IRQTF_AFFINITY, &new->thread_flags);
 
 	return 0;
 }