Hi Oliver, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.17-rc2 next-20220204] [cannot apply to kvm/queue mst-vhost/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] url: https://github.com/0day-ci/linux/commits/Oliver-Upton/VMX-nVMX-VMX-control-MSR-fixes/20220205-044901 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 86286e486cbdd68f01d330409307f6a6efcd4298 config: x86_64-rhel-8.3 (https://download.01.org/0day-ci/archive/20220205/202202051529.y26BVBiF-lkp@xxxxxxxxx/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/3053b58337c5bb48b67fce9fb0616887b7180370 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Oliver-Upton/VMX-nVMX-VMX-control-MSR-fixes/20220205-044901 git checkout 3053b58337c5bb48b67fce9fb0616887b7180370 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "kvm_pmu_is_valid_msr" [arch/x86/kvm/kvm-intel.ko] undefined! --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx