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genirq: Make kstat_irqs() static 

No more users outside the core code.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201210194043.268774449@linutronix.de
This commit is contained in:
Thomas Gleixner 2020-12-10 20:25:43 +01:00
parent bb0e5192f5
commit 26c19d0a86
2 changed files with 6 additions and 14 deletions
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1
include/linux/kernel_stat.h
View File

@ -67,7 +67,6 @@ static inline unsigned int kstat_softirqs_cpu(unsigned int irq, int cpu)
/*
* Number of interrupts per specific IRQ source, since bootup
*/
extern unsigned int kstat_irqs(unsigned int irq);
extern unsigned int kstat_irqs_usr(unsigned int irq);
/*

19
kernel/irq/irqdesc.c
View File

@ -924,15 +924,7 @@ static bool irq_is_nmi(struct irq_desc *desc)
return desc->istate & IRQS_NMI;
}
/**
* kstat_irqs - Get the statistics for an interrupt
* @irq: The interrupt number
*
* Returns the sum of interrupt counts on all cpus since boot for
* @irq. The caller must ensure that the interrupt is not removed
* concurrently.
*/
unsigned int kstat_irqs(unsigned int irq)
static unsigned int kstat_irqs(unsigned int irq)
{
struct irq_desc *desc = irq_to_desc(irq);
unsigned int sum = 0;
@ -951,13 +943,14 @@ unsigned int kstat_irqs(unsigned int irq)
}
/**
* kstat_irqs_usr - Get the statistics for an interrupt
* kstat_irqs_usr - Get the statistics for an interrupt from thread context
* @irq: The interrupt number
*
* Returns the sum of interrupt counts on all cpus since boot for @irq.
* Contrary to kstat_irqs() this can be called from any context.
* It uses rcu since a concurrent removal of an interrupt descriptor is
* observing an rcu grace period before delayed_free_desc()/irq_kobj_release().
*
* It uses rcu to protect the access since a concurrent removal of an
* interrupt descriptor is observing an rcu grace period before
* delayed_free_desc()/irq_kobj_release().
*/
unsigned int kstat_irqs_usr(unsigned int irq)
{