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| author | David S. Miller <davem@davemloft.net> | 2010-04-07 02:38:52 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-04-13 07:37:07 +0200 |
| commit | daecbf58a509bc27c112647e825df763c3e3b0f4 (patch) | |
| tree | 871f5dd9e18ff2f4c4ff88a004527a5b0e974f51 /arch/sparc/kernel/nmi.c | |
| parent | sparc64: Remove profiling from some low-level bits. (diff) | |
| download | linux-daecbf58a509bc27c112647e825df763c3e3b0f4.tar.xz linux-daecbf58a509bc27c112647e825df763c3e3b0f4.zip | |
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>
Diffstat (limited to 'arch/sparc/kernel/nmi.c')
| -rw-r--r-- | arch/sparc/kernel/nmi.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c index b287b62c7ea3..75a3d1a25356 100644 --- a/arch/sparc/kernel/nmi.c +++ b/arch/sparc/kernel/nmi.c @@ -92,7 +92,6 @@ static void die_nmi(const char *str, struct pt_regs *regs, int do_panic) 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 @@ notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs) 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; |