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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: Marc Zyngier <maz@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Will Deacon <will@kernel.org>
Link: https://patch.msgid.link/20251020122944.3074811-25-maz@kernel.org
pull/1354/merge
Marc Zyngier 2025-10-20 13:29:41 +01:00 committed by Thomas Gleixner
parent c620438ef2
commit ee2d50a9f5
3 changed files with 1 additions and 28 deletions
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4
include/linux/irq.h
View File

@ -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,

1
include/linux/irqdesc.h
View File

@ -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;

24
kernel/irq/irqdesc.c
View File

@ -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));