Commit 26c19d0a authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

genirq: Make kstat_irqs() static 



No more users outside the core code.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201210194043.268774449@linutronix.de
parent bb0e5192

include/linux/kernel_stat.h

+0 −1
Original line number Diff line number Diff line
@@ -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);



/*

kernel/irq/irqdesc.c

+6 −13
Original line number Diff line number Diff line
@@ -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)

{