Hi Sean, I love your patch! Yet something to improve: [auto build test ERROR on kvm/linux-next] [cannot apply to v5.4-rc4 next-20191024] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Sean-Christopherson/KVM-Dynamically-size-memslot-arrays/20191024-144336 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next config: powerpc-defconfig (attached as .config) compiler: powerpc64-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): arch/powerpc/kvm/powerpc.c: In function 'kvm_arch_prepare_memory_region': >> arch/powerpc/kvm/powerpc.c:701:9: error: too many arguments to function 'kvmppc_core_prepare_memory_region' return kvmppc_core_prepare_memory_region(kvm, memslot, mem, change); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/powerpc/kvm/powerpc.c:24:0: arch/powerpc/include/asm/kvm_ppc.h:206:12: note: declared here extern int kvmppc_core_prepare_memory_region(struct kvm *kvm, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- >> arch/powerpc/kvm/book3s.c:848:5: error: conflicting types for 'kvmppc_core_prepare_memory_region' int kvmppc_core_prepare_memory_region(struct kvm *kvm, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/powerpc/kvm/book3s.c:30:0: arch/powerpc/include/asm/kvm_ppc.h:206:12: note: previous declaration of 'kvmppc_core_prepare_memory_region' was here extern int kvmppc_core_prepare_memory_region(struct kvm *kvm, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/kvmppc_core_prepare_memory_region +701 arch/powerpc/kvm/powerpc.c 695 696 int kvm_arch_prepare_memory_region(struct kvm *kvm, 697 struct kvm_memory_slot *memslot, 698 const struct kvm_userspace_memory_region *mem, 699 enum kvm_mr_change change) 700 { > 701 return kvmppc_core_prepare_memory_region(kvm, memslot, mem, change); 702 } 703 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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