On 11/09/20 13:43, kernel test robot wrote: >>> arch/powerpc/kvm/../../../virt/kvm/kvm_main.c:633:12: error: no previous prototype for 'kvm_arch_post_init_vm' [-Werror=missing-prototypes] > 633 | int __weak kvm_arch_post_init_vm(struct kvm *kvm) > | ^~~~~~~~~~~~~~~~~~~~~ >>> arch/powerpc/kvm/../../../virt/kvm/kvm_main.c:642:13: error: no previous prototype for 'kvm_arch_pre_destroy_vm' [-Werror=missing-prototypes] > 642 | void __weak kvm_arch_pre_destroy_vm(struct kvm *kvm) > | ^~~~~~~~~~~~~~~~~~~~~~~ > cc1: all warnings being treated as errors This makes little sense, the prototypes are in include/linux/kvm_host.h Also this code is not architecture-dependent... kvm-ppc guys, can you reproduce it?

Paolo > > Hi Junaid, > > FYI, the error/warning still remains. > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: e5bd0d2afe7061562c483d301e4aabb51b13fcfa > commit: 1aa9b9572b10529c2e64e2b8f44025d86e124308 kvm: x86: mmu: Recovery of shattered NX large pages > date: 10 months ago > config: powerpc-defconfig (attached as .config) > compiler: powerpc64-linux-gcc (GCC) 9.3.0 > 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 > git checkout 1aa9b9572b10529c2e64e2b8f44025d86e124308 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp(a)intel.com&gt; > > All errors (new ones prefixed by >>): > >>> arch/powerpc/kvm/../../../virt/kvm/kvm_main.c:633:12: error: no previous prototype for 'kvm_arch_post_init_vm' [-Werror=missing-prototypes] > 633 | int __weak kvm_arch_post_init_vm(struct kvm *kvm) > | ^~~~~~~~~~~~~~~~~~~~~ >>> arch/powerpc/kvm/../../../virt/kvm/kvm_main.c:642:13: error: no previous prototype for 'kvm_arch_pre_destroy_vm' [-Werror=missing-prototypes] > 642 | void __weak kvm_arch_pre_destroy_vm(struct kvm *kvm) > | ^~~~~~~~~~~~~~~~~~~~~~~ > cc1: all warnings being treated as errors > > # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus xlnx/master > git checkout 1aa9b9572b10529c2e64e2b8f44025d86e124308 > vim +/kvm_arch_post_init_vm +633 arch/powerpc/kvm/../../../virt/kvm/kvm_main.c > > 628 > 629 /* > 630 * Called after the VM is otherwise initialized, but just before adding it to > 631 * the vm_list. > 632 */ > > 633 int __weak kvm_arch_post_init_vm(struct kvm *kvm) > 634 { > 635 return 0; > 636 } > 637 > 638 /* > 639 * Called just after removing the VM from the vm_list, but before doing any > 640 * other destruction. > 641 */ > > 642 void __weak kvm_arch_pre_destroy_vm(struct kvm *kvm) > 643 { > 644 } > 645 > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org > _______________________________________________ kbuild-all mailing list -- kbuild-all(a)lists.01.org To unsubscribe send an email to kbuild-all-leave(a)lists.01.org