Hi Hao, kernel test robot noticed the following build errors: [auto build test ERROR on kvm/queue] [also build test ERROR on mst-vhost/linux-next tip/x86/core linus/master v6.5-rc7 next-20230822] [cannot apply to kvm/linux-next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Hao-Xiang/kvm-x86-emulate-MSR_PLATFORM_INFO-msr-bits/20230821-125755 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue patch link: https://lore.kernel.org/r/1692588151-33716-1-git-send-email-hao.xiang%40linux.alibaba.com patch subject: [PATCH] kvm: x86: emulate MSR_PLATFORM_INFO msr bits config: i386-buildonly-randconfig-003-20230823 (https://download.01.org/0day-ci/archive/20230823/202308230803.qc3KTHx1-lkp@xxxxxxxxx/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce: (https://download.01.org/0day-ci/archive/20230823/202308230803.qc3KTHx1-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202308230803.qc3KTHx1-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> arch/x86/kvm/x86.c:1695:24: error: use of undeclared identifier 'MSR_PLATFORM_INFO_MAX_NON_TURBO_RATIO' msr_platform_info &= (MSR_PLATFORM_INFO_MAX_NON_TURBO_RATIO | ^ 1 error generated. vim +/MSR_PLATFORM_INFO_MAX_NON_TURBO_RATIO +1695 arch/x86/kvm/x86.c 1678 1679 1680 static u64 kvm_get_msr_platform_info(void) 1681 { 1682 u64 msr_platform_info = 0; 1683 1684 rdmsrl_safe(MSR_PLATFORM_INFO, &msr_platform_info); 1685 /* 1686 * MSR_PLATFORM_INFO bits: 1687 * bit 15:8, Maximum Non-Turbo Ratio (MAX_NON_TURBO_LIM_RATIO) 1688 * bit 31, CPUID Faulting Enabled (CPUID_FAULTING_EN) 1689 * bit 47:40, Maximum Efficiency Ratio (MAX_EFFICIENCY_RATIO) 1690 * 1691 * Emulate part msr bits, expose above msr info to guest, 1692 * to make sure guest can get correct turbo frequency info. 1693 */ 1694 > 1695 msr_platform_info &= (MSR_PLATFORM_INFO_MAX_NON_TURBO_RATIO | 1696 MSR_PLATFORM_INFO_MAX_EFFICIENCY_RATIO); 1697 msr_platform_info |= MSR_PLATFORM_INFO_CPUID_FAULT; 1698 1699 return msr_platform_info; 1700 } 1701 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
