PERF_CSTATE_CORE_EVENT_MAX
if (cfg >= PERF_CSTATE_CORE_EVENT_MAX)
cfg = array_index_nospec((unsigned long)cfg, PERF_CSTATE_CORE_EVENT_MAX);
core_msr_mask = perf_msr_probe(core_msr, PERF_CSTATE_CORE_EVENT_MAX,