On Wed, Jun 23, 2021 at 08:59:59AM +0100, Marc Zyngier wrote: > + Paolo, Vitaly, Ricardo, > > On Tue, 22 Jun 2021 23:54:17 +0100, > kernel test robot <lkp@xxxxxxxxx> 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/commit/?id=954e285eafdd4ac36b114a7f6abce3f792591ea8 > > 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@xxxxxxxxx> > > > > 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@xxxxxxxxxx> > 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@xxxxxxxxx> > Suggested-by: Marc Zyngier <maz@xxxxxxxxxx> > Suggested-by: Andrew Jones <drjones@xxxxxxxxxx> > Signed-off-by: Ricardo Koller <ricarkol@xxxxxxxxxx> > Reviewed-by: Andrew Jones <drjones@xxxxxxxxxx> > Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx> > Link: https://lore.kernel.org/r/20210611011020.3420067-2-ricarkol@xxxxxxxxxx Yes, that's my change (again). Thanks you both for handling it. Thanks, Ricardo > > If there is a stable branch with this patch on it, I can take it in > the kvmarm tree and fix it up myself. Otherwise, Paolo could take the > stable branch at [1] (or even that particular commit which is right on > top of v5.13-rc4) and do a similar fixup. Just let me know. > > Thanks, > > M. > > [1] https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/log/?h=kvm-arm64/selftest/debug > > -- > Without deviation from the norm, progress is not possible.
