ARM: SMP: provide accessors for irq_stat data
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>
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 36d4b91..2413126 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -423,7 +423,7 @@
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 @@
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');
}