Thomas Gleixner <tglx@xxxxxxxxxxxxx> writes: > On Fri, 19 Jan 2018, Vitaly Kuznetsov wrote: >> 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 ... > > You added '#include <linux/interrupt.h>' to mshyperv.h which is included in > vclock_gettime.c and pulls in other stuff which fails to expand.... > Oh, right, thanks! I'll see what can be done. -- Vitaly
