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

+ Paolo, Vitaly, Ricardo, On Tue, 22 Jun 2021 23:54:17 +0100, kernel test robot <lkp(a)intel.com&gt; wrote: > > 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 > This stems from the following commit: commit b78f4a596692f6805e796a4c13f2d921b8a95166 Author: Ricardo Koller <ricarkol(a)google.com&gt; Date: Thu Jun 10 18:10:15 2021 -0700 KVM: selftests: Rename vm_handle_exception Rename the vm_handle_exception function to a name that indicates more clearly that it installs something: vm_install_exception_handler. Reported-by: kernel test robot <oliver.sang(a)intel.com&gt; Suggested-by: Marc Zyngier <maz(a)kernel.org&gt; Suggested-by: Andrew Jones <drjones(a)redhat.com&gt; Signed-off-by: Ricardo Koller <ricarkol(a)google.com&gt; Reviewed-by: Andrew Jones <drjones(a)redhat.com&gt; Signed-off-by: Marc Zyngier <maz(a)kernel.org&gt; Link: https://lore.kernel.org/r/20210611011020.3420067-2-ricarkol@google.com