On Thu, Dec 29, 2022 at 07:59:23PM -0800, Reiji Watanabe wrote: > The default reset function for PMU registers (reset_pmu_reg()) > now simply clears a specified register. Use that function for > PMUSERENR_EL0 and PMCCFILTR_EL0, since those registers should > simply be cleared on vCPU reset. AFAICT, the fields in both these registers have UNKNOWN reset values. Of course, 0 is an entirely valid reset value but the architectural behavior should be mentioned in the commit message. -- Thanks, Oliver