dummy_perf         37 arch/alpha/kernel/irq_alpha.c void (*perf_irq)(unsigned long, struct pt_regs *) = dummy_perf;
dummy_perf         39 arch/powerpc/kernel/pmc.c perf_irq_t perf_irq = dummy_perf;
dummy_perf         56 arch/powerpc/kernel/pmc.c 	perf_irq = new_perf_irq ? new_perf_irq : dummy_perf;
dummy_perf         71 arch/powerpc/kernel/pmc.c 	perf_irq = dummy_perf;