Hi Vitaly, [auto build test ERROR on next-20170619] [cannot apply to tip/x86/core linus/master linux/master v4.12-rc6 v4.12-rc5 v4.12-rc4 v4.12-rc7] [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/kys-exchange-microsoft-com/x86-hyper-v-include-hyperv-only-when-CONFIG_HYPERV-is-set/20170626-133601 config: i386-randconfig-a0-06250447 (attached as .config) compiler: gcc-5 (Debian 5.4.1-2) 5.4.1 20160904 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): arch/x86/hyperv/mmu.c: In function 'hyperv_flush_tlb_others': >> arch/x86/hyperv/mmu.c:120:32: error: passing argument 2 of 'native_flush_tlb_others' from incompatible pointer type [-Werror=incompatible-pointer-types] native_flush_tlb_others(cpus, mm, start, end); ^ In file included from arch/x86/hyperv/mmu.c:9:0: arch/x86/include/asm/tlbflush.h:256:6: note: expected 'const struct flush_tlb_info *' but argument is of type 'struct mm_struct *' void native_flush_tlb_others(const struct cpumask *cpumask, ^ >> arch/x86/hyperv/mmu.c:120:2: error: too many arguments to function 'native_flush_tlb_others' native_flush_tlb_others(cpus, mm, start, end); ^ In file included from arch/x86/hyperv/mmu.c:9:0: arch/x86/include/asm/tlbflush.h:256:6: note: declared here void native_flush_tlb_others(const struct cpumask *cpumask, ^ arch/x86/hyperv/mmu.c: In function 'hyperv_setup_mmu_ops': >> arch/x86/hyperv/mmu.c:127:31: error: assignment from incompatible pointer type [-Werror=incompatible-pointer-types] pv_mmu_ops.flush_tlb_others = hyperv_flush_tlb_others; ^ cc1: some warnings being treated as errors vim +/native_flush_tlb_others +120 arch/x86/hyperv/mmu.c 114 115 local_irq_restore(flags); 116 117 if (!(status & HV_HYPERCALL_RESULT_MASK)) 118 return; 119 do_native: > 120 native_flush_tlb_others(cpus, mm, start, end); 121 } 122 123 void hyperv_setup_mmu_ops(void) 124 { 125 if (ms_hyperv.hints & HV_X64_REMOTE_TLB_FLUSH_RECOMMENDED) { 126 pr_info("Hyper-V: Using hypercall for remote TLB flush\n"); > 127 pv_mmu_ops.flush_tlb_others = hyperv_flush_tlb_others; 128 } 129 } 130 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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