749 	struct pmu_hw_events *cpuc = this_cpu_ptr(cpu_pmu->hw_events);  in armv8pmu_handle_irq()  local
775 		struct perf_event *event = cpuc->events[idx];  in armv8pmu_handle_irq()
808 static int armv8pmu_get_single_idx(struct pmu_hw_events *cpuc,  in armv8pmu_get_single_idx()  argument
814 		if (!test_and_set_bit(idx, cpuc->used_mask))  in armv8pmu_get_single_idx()
820 static int armv8pmu_get_chain_idx(struct pmu_hw_events *cpuc,  in armv8pmu_get_chain_idx()  argument
830 		if (!test_and_set_bit(idx, cpuc->used_mask)) {  in armv8pmu_get_chain_idx()
832 			if (!test_and_set_bit(idx - 1, cpuc->used_mask))  in armv8pmu_get_chain_idx()
835 			clear_bit(idx, cpuc->used_mask);  in armv8pmu_get_chain_idx()
841 static int armv8pmu_get_event_idx(struct pmu_hw_events *cpuc,  in armv8pmu_get_event_idx()  argument
850 		if (!test_and_set_bit(ARMV8_IDX_CYCLE_COUNTER, cpuc->used_mask))  in armv8pmu_get_event_idx()
859 		return	armv8pmu_get_chain_idx(cpuc, cpu_pmu);  in armv8pmu_get_event_idx()
861 		return armv8pmu_get_single_idx(cpuc, cpu_pmu);  in armv8pmu_get_event_idx()
864 static void armv8pmu_clear_event_idx(struct pmu_hw_events *cpuc,  in armv8pmu_clear_event_idx()  argument
869 	clear_bit(idx, cpuc->used_mask);  in armv8pmu_clear_event_idx()
871 		clear_bit(idx - 1, cpuc->used_mask);  in armv8pmu_clear_event_idx()