[kbuild-all] Re: [PATCH v3 07/12] KVM: x86: Ensure the MSR bitmap never clears userspace tracked MSRs

Hi Aaron, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on kvm/linux-next] [also build test WARNING on v5.9-rc1 next-20200818] [cannot apply to kvms390/next 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/Aaron-Lewis/Allow-userspace-to-m... base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next config: i386-randconfig-s001-20200818 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-183-gaa6ede3b-dirty # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) arch/x86/kvm/vmx/vmx.c: note: in included file: arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (110011 becomes 11) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (110011 becomes 11) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100110 becomes 110) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100490 becomes 490) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100310 becomes 310) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100510 becomes 510) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100410 becomes 410) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100490 becomes 490) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100310 becomes 310) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100510 becomes 510) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100410 becomes 410) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (30203 becomes 203) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (30203 becomes 203) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (30283 becomes 283) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (30283 becomes 283) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1b019b becomes 19b) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1b021b becomes 21b) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1b029b becomes 29b) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1b031b becomes 31b) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1b041b becomes 41b) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (80c88 becomes c88) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120912 becomes 912) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (110311 becomes 311) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120992 becomes 992) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120992 becomes 992) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100610 becomes 610) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100690 becomes 690) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100590 becomes 590) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (80408 becomes 408) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120a92 becomes a92) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a099a becomes 99a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a091a becomes 91a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a048a becomes 48a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120a92 becomes a92) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a099a becomes 99a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a091a becomes 91a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a048a becomes 48a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a010a becomes 10a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a050a becomes 50a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a071a becomes 71a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a079a becomes 79a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a001a becomes 1a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a009a becomes 9a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (180198 becomes 198) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a051a becomes 51a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120392 becomes 392) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120892 becomes 892) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a081a becomes 81a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100490 becomes 490) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100490 becomes 490) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a028a becomes 28a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a030a becomes 30a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a038a becomes 38a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a040a becomes 40a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a028a becomes 28a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a030a becomes 30a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a038a becomes 38a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (a040a becomes 40a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100090 becomes 90) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100090 becomes 90) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (180118 becomes 118) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a001a becomes 1a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (80688 becomes 688) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a009a becomes 9a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100790 becomes 790) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (100790 becomes 790) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (180198 becomes 198) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a011a becomes 11a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120492 becomes 492) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a061a becomes 61a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120492 becomes 492) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a061a becomes 61a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120412 becomes 412) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a059a becomes 59a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (120412 becomes 412) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1a059a becomes 59a) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (20402 becomes 402) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1b001b becomes 1b) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1b009b becomes 9b) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (1b011b becomes 11b) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (30083 becomes 83) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (30183 becomes 183) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (30003 becomes 3) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (30103 becomes 103) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: cast truncates bits from constant value (30303 becomes 303) arch/x86/kvm/vmx/evmcs.h:81:30: sparse: sparse: too many warnings -- arch/x86/kvm/svm/svm.c:471:17: sparse: sparse: cast truncates bits from constant value (100000000 becomes 0) arch/x86/kvm/svm/svm.c:471:17: sparse: sparse: cast truncates bits from constant value (100000000 becomes 0) arch/x86/kvm/svm/svm.c:471:17: sparse: sparse: cast truncates bits from constant value (100000000 becomes 0) Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org