Commit ee2d50a9 authored by Marc Zyngier's avatar Marc Zyngier Committed by Thomas Gleixner
Browse files

genirq: Kill irq_{g,s}et_percpu_devid_partition() 



These two helpers do not have any user anymore, and can be removed,
together with the affinity field kept in the irqdesc structure.

Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Tested-by: default avatarWill Deacon <will@kernel.org>
Link: https://patch.msgid.link/20251020122944.3074811-25-maz@kernel.org
parent c620438e

include/linux/irq.h

+0 −4
Original line number Diff line number Diff line
@@ -718,10 +718,6 @@ static inline void irq_set_chip_and_handler(unsigned int irq, 
}



extern int irq_set_percpu_devid(unsigned int irq);

extern int irq_set_percpu_devid_partition(unsigned int irq,

					  const struct cpumask *affinity);

extern int irq_get_percpu_devid_partition(unsigned int irq,

					  struct cpumask *affinity);



extern void

__irq_set_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,

include/linux/irqdesc.h

+0 −1
Original line number Diff line number Diff line
@@ -82,7 +82,6 @@ struct irq_desc { 
	int			threads_handled_last;

	raw_spinlock_t		lock;

	struct cpumask		*percpu_enabled;

	const struct cpumask	*percpu_affinity;

#ifdef CONFIG_SMP

	const struct cpumask	*affinity_hint;

	struct irq_affinity_notify *affinity_notify;

kernel/irq/irqdesc.c

+1 −23
Original line number Diff line number Diff line
@@ -879,8 +879,7 @@ void __irq_put_desc_unlock(struct irq_desc *desc, unsigned long flags, bool bus) 
		chip_bus_sync_unlock(desc);

}



int irq_set_percpu_devid_partition(unsigned int irq,

				   const struct cpumask *affinity)

int irq_set_percpu_devid(unsigned int irq)

{

	struct irq_desc *desc = irq_to_desc(irq);
@@ -892,31 +891,10 @@ int irq_set_percpu_devid_partition(unsigned int irq, 
	if (!desc->percpu_enabled)

		return -ENOMEM;



	desc->percpu_affinity = affinity ? : cpu_possible_mask;



	irq_set_percpu_devid_flags(irq);

	return 0;

}



int irq_set_percpu_devid(unsigned int irq)

{

	return irq_set_percpu_devid_partition(irq, NULL);

}



int irq_get_percpu_devid_partition(unsigned int irq, struct cpumask *affinity)

{

	struct irq_desc *desc = irq_to_desc(irq);



	if (!desc || !desc->percpu_enabled)

		return -EINVAL;



	if (affinity)

		cpumask_copy(affinity, desc->percpu_affinity);



	return 0;

}

EXPORT_SYMBOL_GPL(irq_get_percpu_devid_partition);



void kstat_incr_irq_this_cpu(unsigned int irq)

{

	kstat_incr_irqs_this_cpu(irq_to_desc(irq));