There is a common pattern all over the place:
kstat_incr_irqs_this_cpu(irq, irq_to_desc(irq));
This results in a call to core code anyway. So provide a function
which does the same thing in core.
While at it, replace the butt ugly macro with an inline.
Signed-off-by: Thomas Gleixner <t...@linutronix.de>
---
include/linux/kernel_stat.h | 12 +++++++-----
kernel/irq/irqdesc.c | 5 +++++
2 files changed, 12 insertions(+), 5 deletions(-)
Index: tip/include/linux/kernel_stat.h
===================================================================
--- tip.orig/include/linux/kernel_stat.h
+++ tip/include/linux/kernel_stat.h
@@ -54,11 +54,13 @@ extern unsigned long long nr_context_swi
#include <linux/irq.h>
extern unsigned int kstat_irqs_cpu(unsigned int irq, int cpu);
-#define kstat_incr_irqs_this_cpu(irqno, DESC) \
-do { \
- __this_cpu_inc(*(DESC)->kstat_irqs); \
- __this_cpu_inc(kstat.irqs_sum); \
-} while (0)
+static inline void kstat_incr_irqs_this_cpu(unsigned int irq, struct irq_desc
*desc)
+{
+ __this_cpu_inc(*desc->kstat_irqs);
+ __this_cpu_inc(kstat.irqs_sum);
+}
+
+extern void kstat_incr_irq_this_cpu(unsigned int irq);
static inline void kstat_incr_softirqs_this_cpu(unsigned int irq)
{
Index: tip/kernel/irq/irqdesc.c
===================================================================
--- tip.orig/kernel/irq/irqdesc.c
+++ tip/kernel/irq/irqdesc.c
@@ -489,6 +489,11 @@ void dynamic_irq_cleanup(unsigned int ir
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
+void kstat_incr_irq_this_cpu(unsigned int irq)
+{
+ kstat_incr_irqs_this_cpu(irq, irq_to_desc(irq));
+}
+
unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)
{
struct irq_desc *desc = irq_to_desc(irq);
--
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