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Diffstat (limited to 'arch/arm/kernel/smp.c')
-rw-r--r--arch/arm/kernel/smp.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index dea7a925c7e..d100eacdb79 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -59,7 +59,8 @@ struct secondary_data secondary_data;
volatile int __cpuinitdata pen_release = -1;
enum ipi_msg_type {
- IPI_TIMER = 2,
+ IPI_WAKEUP,
+ IPI_TIMER,
IPI_RESCHEDULE,
IPI_CALL_FUNC,
IPI_CALL_FUNC_SINGLE,
@@ -414,7 +415,8 @@ void arch_send_call_function_single_ipi(int cpu)
}
static const char *ipi_types[NR_IPI] = {
-#define S(x,s) [x - IPI_TIMER] = s
+#define S(x,s) [x] = s
+ S(IPI_WAKEUP, "CPU wakeup interrupts"),
S(IPI_TIMER, "Timer broadcast interrupts"),
S(IPI_RESCHEDULE, "Rescheduling interrupts"),
S(IPI_CALL_FUNC, "Function call interrupts"),
@@ -567,10 +569,13 @@ void handle_IPI(int ipinr, struct pt_regs *regs)
unsigned int cpu = smp_processor_id();
struct pt_regs *old_regs = set_irq_regs(regs);
- if (ipinr >= IPI_TIMER && ipinr < IPI_TIMER + NR_IPI)
- __inc_irq_stat(cpu, ipi_irqs[ipinr - IPI_TIMER]);
+ if (ipinr < NR_IPI)
+ __inc_irq_stat(cpu, ipi_irqs[ipinr]);
switch (ipinr) {
+ case IPI_WAKEUP:
+ break;
+
case IPI_TIMER:
irq_enter();
ipi_timer();