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ARM: SMP: provide accessors for irq_stat data

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Provide __inc_irq_stat() and __get_irq_stat() to increment and
read the irq stat counters.

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King
2010-11-15 14:15:03 +00:00
parent ec405ea9fe
commit 46c48f222f
2 changed files with 5 additions and 2 deletions
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3
arch/arm/include/asm/hardirq.h
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@@ -14,6 +14,9 @@ typedef struct {
#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
#define __inc_irq_stat(cpu, member) __IRQ_STAT(cpu, member)++
#define __get_irq_stat(cpu, member) __IRQ_STAT(cpu, member)
#if NR_IRQS > 512
#define HARDIRQ_BITS 10
#elif NR_IRQS > 256