778 	struct pmu_hw_events *cpuc = this_cpu_ptr(cpu_pmu->hw_events);  in armv8pmu_handle_irq()  local
804 		struct perf_event *event = cpuc->events[idx];  in armv8pmu_handle_irq()
837 static int armv8pmu_get_single_idx(struct pmu_hw_events *cpuc,  in armv8pmu_get_single_idx()  argument
843 		if (!test_and_set_bit(idx, cpuc->used_mask))  in armv8pmu_get_single_idx()
849 static int armv8pmu_get_chain_idx(struct pmu_hw_events *cpuc,  in armv8pmu_get_chain_idx()  argument
859 		if (!test_and_set_bit(idx, cpuc->used_mask)) {  in armv8pmu_get_chain_idx()
861 			if (!test_and_set_bit(idx - 1, cpuc->used_mask))  in armv8pmu_get_chain_idx()
864 			clear_bit(idx, cpuc->used_mask);  in armv8pmu_get_chain_idx()
870 static int armv8pmu_get_event_idx(struct pmu_hw_events *cpuc,  in armv8pmu_get_event_idx()  argument
879 		if (!test_and_set_bit(ARMV8_IDX_CYCLE_COUNTER, cpuc->used_mask))  in armv8pmu_get_event_idx()
888 		return	armv8pmu_get_chain_idx(cpuc, cpu_pmu);  in armv8pmu_get_event_idx()
890 		return armv8pmu_get_single_idx(cpuc, cpu_pmu);  in armv8pmu_get_event_idx()
893 static void armv8pmu_clear_event_idx(struct pmu_hw_events *cpuc,  in armv8pmu_clear_event_idx()  argument
898 	clear_bit(idx, cpuc->used_mask);  in armv8pmu_clear_event_idx()
900 		clear_bit(idx - 1, cpuc->used_mask);  in armv8pmu_clear_event_idx()