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genirq: Remove setup_percpu_irq()

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setup_percpu_irq() was always a bad kludge, and should have never
been there the first place. Now that the last users are gone,
remove it for good.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://patch.msgid.link/20251210082242.360936-7-maz@kernel.org
This commit is contained in:
Marc Zyngier 2025-12-10 08:22:42 +00:00 committed by Thomas Gleixner
parent bd04dae079
commit dbcc728e18
2 changed files with 0 additions and 33 deletions
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3
include/linux/irq.h
View File

@ -595,9 +595,6 @@ enum {
#define IRQ_DEFAULT_INIT_FLAGS ARCH_IRQ_INIT_FLAGS
struct irqaction;
extern int setup_percpu_irq(unsigned int irq, struct irqaction *new);
#ifdef CONFIG_DEPRECATED_IRQ_CPU_ONOFFLINE
extern void irq_cpu_online(void);
extern void irq_cpu_offline(void);

30
kernel/irq/manage.c
View File

@ -2448,36 +2448,6 @@ void free_percpu_nmi(unsigned int irq, void __percpu *dev_id)
kfree(__free_percpu_irq(irq, dev_id));
}
/**
* setup_percpu_irq - setup a per-cpu interrupt
* @irq: Interrupt line to setup
* @act: irqaction for the interrupt
*
* Used to statically setup per-cpu interrupts in the early boot process.
*/
int setup_percpu_irq(unsigned int irq, struct irqaction *act)
{
struct irq_desc *desc = irq_to_desc(irq);
int retval;
if (!desc || !irq_settings_is_per_cpu_devid(desc))
return -EINVAL;
retval = irq_chip_pm_get(&desc->irq_data);
if (retval < 0)
return retval;
if (!act->affinity)
act->affinity = cpu_online_mask;
retval = __setup_irq(irq, desc, act);
if (retval)
irq_chip_pm_put(&desc->irq_data);
return retval;
}
static
struct irqaction *create_percpu_irqaction(irq_handler_t handler, unsigned long flags,
const char *devname, const cpumask_t *affinity,