CPUHP_AP_PERF_RISCV_STARTING
cpuhp_state_remove_instance(CPUHP_AP_PERF_RISCV_STARTING, &pmu->node);
ret = cpuhp_state_add_instance(CPUHP_AP_PERF_RISCV_STARTING, &pmu->node);
ret = cpuhp_setup_state_multi(CPUHP_AP_PERF_RISCV_STARTING,