MSR_HWP_CAPABILITIES
rdmsrq_on_cpu(cpu->cpu, MSR_HWP_CAPABILITIES, &cap);
rdmsrq_on_cpu(policy->cpu, MSR_HWP_CAPABILITIES, &cap);
if (get_msr(cpu, MSR_HWP_CAPABILITIES, &msr))
read_hwp_cap(cpu, &cap, MSR_HWP_CAPABILITIES);
read_hwp_cap(cpu, &cap, MSR_HWP_CAPABILITIES);
read_hwp_cap(cpu, &cap, MSR_HWP_CAPABILITIES);