[kbuild-all] Re: [linux-next:master 12154/12271] tools/testing/selftests/kvm/x86_64/hyperv_features.c:618: undefined reference to `vm_handle_exception'

Hi Stephen, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 4238b1710eadd18dd16de0288a2bc5bb84614b4e commit: 954e285eafdd4ac36b114a7f6abce3f792591ea8 [12154/12271] Merge remote-tracking branch 'kvm-arm/next' config: x86_64-rhel-8.3-kselftests (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 954e285eafdd4ac36b114a7f6abce3f792591ea8 # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): x86_64/hyperv_features.c: In function 'main': >> x86_64/hyperv_features.c:618:2: warning: implicit declaration of function 'vm_handle_exception' [-Wimplicit-function-declaration] 618 | vm_handle_exception(vm, GP_VECTOR, guest_gp_handler); | ^~~~~~~~~~~~~~~~~~~ /usr/bin/ld: /tmp/ccIBsVo3.o: in function `main': >> tools/testing/selftests/kvm/x86_64/hyperv_features.c:618: undefined reference to `vm_handle_exception' collect2: error: ld returned 1 exit status -- x86_64/hyperv_features.c: In function 'main': >> x86_64/hyperv_features.c:618:2: warning: implicit declaration of function 'vm_handle_exception' [-Wimplicit-function-declaration] 618 | vm_handle_exception(vm, GP_VECTOR, guest_gp_handler); | ^~~~~~~~~~~~~~~~~~~ /usr/bin/ld: /tmp/cc7zqGvp.o: in function `main': >> tools/testing/selftests/kvm/x86_64/hyperv_features.c:618: undefined reference to `vm_handle_exception' collect2: error: ld returned 1 exit status