tree: https://git.kernel.org/pub/scm/virt/kvm/kvm.git master head: f7d7a93c553f6242b1732b64edc8120c7a061b78 commit: 37a3ce1ca196ed06edcef4fe20bd19a05af7d56c [128/130] KVM: x86: introduce KVM_X86_QUIRK_TSC_HOST_ACCESS compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: cd tools/perf && ./check-headers.sh If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> perfheadercheck warnings: (new ones prefixed by >>) >> Warning: Kernel ABI header at 'tools/arch/x86/include/uapi/asm/kvm.h' differs from latest version at 'arch/x86/include/uapi/asm/kvm.h': 408> #define KVM_X86_QUIRK_TSC_HOST_ACCESS (1 << 5) Warning: Kernel ABI header at 'tools/arch/x86/include/uapi/asm/kvm.h' differs from latest version at 'arch/x86/include/uapi/asm/kvm.h': 440> Warning: Kernel ABI header at 'tools/arch/x86/include/uapi/asm/kvm.h' differs from latest version at 'arch/x86/include/uapi/asm/kvm.h': 441> __u16 pad; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx