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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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4
arch/arm/kernel/smp.c
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@@ -423,7 +423,7 @@ asmlinkage void __exception do_local_timer(struct pt_regs *regs)
int cpu = smp_processor_id();
if (local_timer_ack()) {
irq_stat[cpu].local_timer_irqs++;
__inc_irq_stat(cpu, local_timer_irqs);
ipi_timer();
}
@@ -437,7 +437,7 @@ void show_local_irqs(struct seq_file *p)
seq_printf(p, "LOC: ");
for_each_present_cpu(cpu)
seq_printf(p, "%10u ", irq_stat[cpu].local_timer_irqs);
seq_printf(p, "%10u ", __get_irq_stat(cpu, local_timer_irqs));
seq_putc(p, '\n');
}