HWP_DESIRED_PERF
value &= ~HWP_DESIRED_PERF(~0L);
value &= ~HWP_DESIRED_PERF(~0L);
value |= HWP_DESIRED_PERF(desired);
value &= ~HWP_DESIRED_PERF(~0L);
msr |= HWP_DESIRED_PERF(ratio_2_msr_perf(hwp_req->hwp_desired));