sparc64: Use a seperate counter for timer interrupts and NMI checks, like x86.
This keeps us from having to use kstat_irqs_cpu() from the NMI handler,
the former of which is a profiled function.
Instead we use a currently empty slot in the cpu_data
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c
index b287b62..75a3d1a 100644
--- a/arch/sparc/kernel/nmi.c
+++ b/arch/sparc/kernel/nmi.c
@@ -92,7 +92,6 @@
notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs)
{
unsigned int sum, touched = 0;
- int cpu = smp_processor_id();
clear_softint(1 << irq);
@@ -106,7 +105,7 @@
else
pcr_ops->write(PCR_PIC_PRIV);
- sum = kstat_irqs_cpu(0, cpu);
+ sum = local_cpu_data().irq0_irqs;
if (__get_cpu_var(nmi_touch)) {
__get_cpu_var(nmi_touch) = 0;
touched = 1;