MSMON_MBWU_L
WARN_ON_ONCE((MSMON_MBWU_L + sizeof(u64)) > msc->mapped_hwpage_sz);
mbwu_l_high2 = __mpam_read_reg(msc, MSMON_MBWU_L + 4);
mbwu_l_low = __mpam_read_reg(msc, MSMON_MBWU_L);
mbwu_l_high2 = __mpam_read_reg(msc, MSMON_MBWU_L + 4);
WARN_ON_ONCE((MSMON_MBWU_L + sizeof(u64)) > msc->mapped_hwpage_sz);
__mpam_write_reg(msc, MSMON_MBWU_L, 0);
__mpam_write_reg(msc, MSMON_MBWU_L + 4, 0);