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authorThomas Gleixner <tglx@linutronix.de>2020-12-10 20:25:43 +0100
committerThomas Gleixner <tglx@linutronix.de>2020-12-15 16:19:31 +0100
commit26c19d0a8610fb233b31730fe26a31145f2d9796 (patch)
tree1828664c5ecdbf4e925031f2661833a33c4175d2 /kernel/irq
parentbb0e5192f59875031a0ad060bef2ea0f6c657474 (diff)
downloadlinux-stericsson-26c19d0a8610fb233b31730fe26a31145f2d9796.tar.gz
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
Diffstat (limited to 'kernel/irq')
-rw-r--r--kernel/irq/irqdesc.c19
1 files changed, 6 insertions, 13 deletions
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 02b446a21ce6..2eb076f4a566 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -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)
{