On 02/02/2019 10:50, kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git master > head: a7d7d3ebc7d441ee48e1fd87d9a8abbf7d528127 > commit: 4cc936fd184a2641801c906ea320326317895397 [7/8] KVM: arm64: Relax the restriction on using stage2 PUD huge mapping > config: arm-axm55xx_defconfig (attached as .config) > compiler: arm-linux-gnueabi-gcc (Debian 8.2.0-11) 8.2.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout 4cc936fd184a2641801c906ea320326317895397 > # save the attached .config to linux build tree > GCC_VERSION=8.2.0 make.cross ARCH=arm > > All errors (new ones prefixed by >>): > > arch/arm/kvm/../../../virt/kvm/arm/mmu.c: In function 'user_mem_abort': >>> arch/arm/kvm/../../../virt/kvm/arm/mmu.c:1705:36: error: implicit declaration of function 'kvm_stage2_has_pmd'; did you mean 'kvm_stage2_has_pud'? [-Werror=implicit-function-declaration] > (vma_pagesize == PUD_SIZE && kvm_stage2_has_pmd(kvm))) && > ^~~~~~~~~~~~~~~~~~ > kvm_stage2_has_pud > cc1: some warnings being treated as errors > > vim +1705 arch/arm/kvm/../../../virt/kvm/arm/mmu.c Thanks for the report. I will fix this by adding dummy definitions for arm32. Suzuki
