kbuild test robot <lkp@xxxxxxxxx> writes: > Hi Vitaly, > > Thank you for the patch! Perhaps something to improve: > > [auto build test WARNING on tip/auto-latest] > [also build test WARNING on v4.15-rc8 next-20180118] > [cannot apply to tip/x86/core kvm/linux-next] > [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] > > url: https://github.com/0day-ci/linux/commits/Vitaly-Kuznetsov/x86-kvm-hyperv-stable-clocksorce-for-L2-guests-when-running-nested-KVM-on-Hyper-V/20180119-160814 > config: x86_64-allmodconfig (attached as .config) > compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025 > reproduce: > # save the attached .config to linux build tree > make ARCH=x86_64 > > All warnings (new ones prefixed by >>): > > In file included from include/linux/kasan.h:17:0, > from include/linux/slab.h:129, > from include/linux/irq.h:26, > from arch/x86/include/asm/hardirq.h:6, > from include/linux/hardirq.h:9, > from include/linux/interrupt.h:13, > from arch/x86/include/asm/mshyperv.h:8, > from arch/x86//entry/vdso/vdso32/../vclock_gettime.c:20, > from arch/x86//entry/vdso/vdso32/vclock_gettime.c:33: > arch/x86/include/asm/pgtable.h: In function 'clone_pgd_range': > arch/x86/include/asm/pgtable.h:1129:9: error: implicit declaration of function 'kernel_to_user_pgdp'; did you mean 'u64_to_user_ptr'? [-Werror=implicit-function-declaration] > memcpy(kernel_to_user_pgdp(dst), kernel_to_user_pgdp(src), > ^~~~~~~~~~~~~~~~~~~ Sorry but I'm failing to see how this (and all the rest) is related to my patch ... [snip] -- Vitaly
