Hi Vitaly, [auto build test ERROR on linus/master] [also build test ERROR on v4.13-rc1 next-20170717] [cannot apply to tip/x86/core] [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/Hyper-V-paravirtualized-remote-TLB-flushing-and-hypercall-improvements/20170715-023027 config: x86_64-rhel (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 Note: the linux-review/Vitaly-Kuznetsov/Hyper-V-paravirtualized-remote-TLB-flushing-and-hypercall-improvements/20170715-023027 HEAD ac9354b5afdbfbc99257e73a7b3af517ea8ebb91 builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): In file included from arch/x86/hyperv/hv_init.c:23:0: arch/x86/include/asm/mshyperv.h: In function 'hv_do_hypercall': >> arch/x86/include/asm/mshyperv.h:177:30: error: implicit declaration of function 'virt_to_phys' [-Werror=implicit-function-declaration] u64 input_address = input ? virt_to_phys(input) : 0; ^~~~~~~~~~~~ In file included from arch/x86/include/asm/realmode.h:5:0, from arch/x86/include/asm/acpi.h:33, from arch/x86/include/asm/fixmap.h:19, from arch/x86/include/asm/apic.h:10, from arch/x86/include/asm/smp.h:12, from arch/x86/include/asm/mmzone_64.h:10, from arch/x86/include/asm/mmzone.h:4, from include/linux/mmzone.h:912, from include/linux/gfp.h:5, from include/linux/mm.h:9, from arch/x86/hyperv/hv_init.c:26: arch/x86/include/asm/io.h: At top level: >> arch/x86/include/asm/io.h:118:27: error: conflicting types for 'virt_to_phys' static inline phys_addr_t virt_to_phys(volatile void *address) ^~~~~~~~~~~~ In file included from arch/x86/hyperv/hv_init.c:23:0: arch/x86/include/asm/mshyperv.h:177:30: note: previous implicit declaration of 'virt_to_phys' was here u64 input_address = input ? virt_to_phys(input) : 0; ^~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/virt_to_phys +177 arch/x86/include/asm/mshyperv.h 174 175 static inline u64 hv_do_hypercall(u64 control, void *input, void *output) 176 { > 177 u64 input_address = input ? virt_to_phys(input) : 0; 178 u64 output_address = output ? virt_to_phys(output) : 0; 179 u64 hv_status; 180 register void *__sp asm(_ASM_SP); 181 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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