tree: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue head: 8baacf67c76c560fed954ac972b63e6e59a6fba0 commit: 3743c2f0251743b8ae968329708bbbeefff244cf [5/184] KVM: x86: inhibit APICv/AVIC on changes to APIC ID or APIC base config: i386-buildonly-randconfig-r002-20220613 (https://download.01.org/0day-ci/archive/20220613/202206132237.17DFkdFl-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d378268ead93c85803c270277f0243737b536ae7) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/virt/kvm/kvm.git/commit/?id=3743c2f0251743b8ae968329708bbbeefff244cf git remote add kvm https://git.kernel.org/pub/scm/virt/kvm/kvm.git git fetch --no-tags kvm queue git checkout 3743c2f0251743b8ae968329708bbbeefff244cf # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash arch/x86/kvm/ drivers/gpu/drm/amd/display/amdgpu_dm/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> arch/x86/kvm/svm/avic.c:913:6: warning: shift count >= width of type [-Wshift-count-overflow] BIT(APICV_INHIBIT_REASON_SEV | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/vdso/bits.h:7:26: note: expanded from macro 'BIT' #define BIT(nr) (UL(1) << (nr)) ^ ~~~~ 1 warning generated. vim +913 arch/x86/kvm/svm/avic.c 902 903 bool avic_check_apicv_inhibit_reasons(enum kvm_apicv_inhibit reason) 904 { 905 ulong supported = BIT(APICV_INHIBIT_REASON_DISABLE) | 906 BIT(APICV_INHIBIT_REASON_ABSENT) | 907 BIT(APICV_INHIBIT_REASON_HYPERV) | 908 BIT(APICV_INHIBIT_REASON_NESTED) | 909 BIT(APICV_INHIBIT_REASON_IRQWIN) | 910 BIT(APICV_INHIBIT_REASON_PIT_REINJ) | 911 BIT(APICV_INHIBIT_REASON_X2APIC) | 912 BIT(APICV_INHIBIT_REASON_BLOCKIRQ) | > 913 BIT(APICV_INHIBIT_REASON_SEV | 914 BIT(APICV_INHIBIT_REASON_APIC_ID_MODIFIED) | 915 BIT(APICV_INHIBIT_REASON_APIC_BASE_MODIFIED)); 916 917 return supported & BIT(reason); 918 } 919 -- 0-DAY CI Kernel Test Service https://01.org/lkp
