tree: https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git pg_table/v0.0 head: fd150c5a9ef6e3e43818825c69a46de2b427dedf commit: e5db6ff88e6ef1ff9ab6fefb7ec882d7e329f783 [5/18] mm: move pgd into 'struct pg_table' config: mips-malta_kvm_defconfig (attached as .config) compiler: mipsel-linux-gcc (GCC) 5.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout e5db6ff88e6ef1ff9ab6fefb7ec882d7e329f783 # save the attached .config to linux build tree GCC_VERSION=5.5.0 make.cross ARCH=mips If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): In file included from arch/mips/include/asm/tlbex.h:5:0, from arch/mips//kvm/entry.c:19: arch/mips//kvm/entry.c: In function 'kvm_mips_build_enter_guest': #define __compiler_offsetof(a, b) __builtin_offsetof(a, b) ^ arch/mips/include/asm/uasm.h:230:57: note: in definition of macro 'UASM_i_LW' # define UASM_i_LW(buf, rs, rt, off) uasm_i_lw(buf, rs, rt, off) ^ include/linux/stddef.h:17:32: note: in expansion of macro '__compiler_offsetof' #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER) ^ UASM_i_LW(&p, A0, (int)offsetof(struct mm_struct, pgd) - ^ -- arch/mips//kvm/mmu.c: In function 'kvm_mips_pte_for_gpa': return kvm_mips_walk_pgd(kvm->arch.gpa_mm.pgd, cache, addr); ^ arch/mips//kvm/mmu.c: In function 'kvm_mips_flush_gpa_pt': arch/mips//kvm/mmu.c:301:48: error: 'struct mm_struct' has no member named 'pgd' return kvm_mips_flush_gpa_pgd(kvm->arch.gpa_mm.pgd, ^ arch/mips//kvm/mmu.c: In function 'kvm_mips_mkclean_gpa_pt': arch/mips//kvm/mmu.c:425:46: error: 'struct mm_struct' has no member named 'pgd' return kvm_mips_mkclean_pgd(kvm->arch.gpa_mm.pgd, ^ arch/mips//kvm/mmu.c: In function 'kvm_mips_mkold_gpa_pt': arch/mips//kvm/mmu.c:463:44: error: 'struct mm_struct' has no member named 'pgd' return kvm_mips_mkold_pgd(kvm->arch.gpa_mm.pgd, ^ arch/mips//kvm/mmu.c: In function 'kvm_trap_emul_pte_for_gva': arch/mips//kvm/mmu.c:799:36: error: 'struct mm_struct' has no member named 'pgd' pgdp = vcpu->arch.guest_kernel_mm.pgd; ^ arch/mips//kvm/mmu.c:801:34: error: 'struct mm_struct' has no member named 'pgd' pgdp = vcpu->arch.guest_user_mm.pgd; ^ arch/mips//kvm/mmu.c: In function 'kvm_trap_emul_invalidate_gva': arch/mips//kvm/mmu.c:814:35: error: 'struct mm_struct' has no member named 'pgd' pgdp = vcpu->arch.guest_kernel_mm.pgd; ^ arch/mips//kvm/mmu.c:822:34: error: 'struct mm_struct' has no member named 'pgd' pgdp = vcpu->arch.guest_user_mm.pgd; ^ arch/mips//kvm/mmu.c: In function 'kvm_mips_flush_gpa_pt': arch/mips//kvm/mmu.c:304:1: error: control reaches end of non-void function [-Werror=return-type] } ^ arch/mips//kvm/mmu.c: In function 'kvm_mips_mkclean_gpa_pt': arch/mips//kvm/mmu.c:428:1: error: control reaches end of non-void function [-Werror=return-type] } ^ arch/mips//kvm/mmu.c: In function 'kvm_mips_pte_for_gpa': arch/mips//kvm/mmu.c:178:1: error: control reaches end of non-void function [-Werror=return-type] } ^ arch/mips//kvm/mmu.c: In function 'kvm_mips_mkold_gpa_pt': arch/mips//kvm/mmu.c:466:1: error: control reaches end of non-void function [-Werror=return-type] } ^ cc1: all warnings being treated as errors -- arch/mips//kvm/trap_emul.c: In function 'kvm_trap_emul_vcpu_uninit': kvm_mips_emul_free_gva_pt(vcpu->arch.guest_kernel_mm.pgd); ^ arch/mips//kvm/trap_emul.c:608:52: error: 'struct mm_struct' has no member named 'pgd' kvm_mips_emul_free_gva_pt(vcpu->arch.guest_user_mm.pgd); ^ vim +129 include/linux/compiler_types.h 71391bdd2e9aab Xiaozhou Liu 2018-12-14 128 71391bdd2e9aab Xiaozhou Liu 2018-12-14 @129 #define __compiler_offsetof(a, b) __builtin_offsetof(a, b) 71391bdd2e9aab Xiaozhou Liu 2018-12-14 130 :::::: The code at line 129 was first introduced by commit :::::: 71391bdd2e9aab188f86bf1ecd9b232531ec7eea include/linux/compiler_types.h: don't pollute userspace with macro definitions :::::: TO: Xiaozhou Liu <liuxiaozhou(a)bytedance.com&gt; :::::: CC: Miguel Ojeda <miguel.ojeda.sandonis(a)gmail.com&gt; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation