Hi Andrew, [auto build test results on v4.3-rc3 -- if it's inappropriate base, please ignore]
config: arm64-allmodconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 4035143523cbf0106ee81f3ea585b363110c1ab6 # save the attached .config to linux build tree make.cross ARCH=arm64 Note: the linux-review/Yury-Norov/ILP32-for-ARM64 HEAD 3dd1a64760c74c774056fb5635ff933762dd6453 builds fine. It only hurts bisectibility. All error/warnings (new ones prefixed by >>): In file included from include/linux/elf.h:4:0, from include/linux/module.h:15, from fs/ocfs2/dlm/dlmdomain.c:27: >> arch/arm64/include/asm/elf.h:202:0: warning: "compat_elf_check_arch" >> redefined #define compat_elf_check_arch(x) compat_a32_elf_check_arch(x) ^ arch/arm64/include/asm/elf.h:179:0: note: this is the location of the previous definition #define compat_elf_check_arch(x) (((x)->e_machine == EM_ARM) && \ ^ In file included from include/linux/elf.h:4:0, from include/linux/module.h:15, from fs/ocfs2/dlm/dlmdomain.c:27: >> arch/arm64/include/asm/elf.h:202:0: warning: "compat_elf_check_arch" >> redefined #define compat_elf_check_arch(x) compat_a32_elf_check_arch(x) ^ arch/arm64/include/asm/elf.h:179:0: note: this is the location of the previous definition #define compat_elf_check_arch(x) (((x)->e_machine == EM_ARM) && \ ^ -- In file included from include/linux/elf.h:4:0, from include/linux/module.h:15, from fs/ocfs2/dlm/dlmthread.c:28: >> arch/arm64/include/asm/elf.h:202:0: warning: "compat_elf_check_arch" >> redefined #define compat_elf_check_arch(x) compat_a32_elf_check_arch(x) ^ arch/arm64/include/asm/elf.h:179:0: note: this is the location of the previous definition #define compat_elf_check_arch(x) (((x)->e_machine == EM_ARM) && \ ^ -- In file included from include/linux/elf.h:4:0, from arch/arm64/kernel/ptrace.c:39: >> arch/arm64/include/asm/elf.h:202:0: warning: "compat_elf_check_arch" >> redefined #define compat_elf_check_arch(x) compat_a32_elf_check_arch(x) ^ arch/arm64/include/asm/elf.h:179:0: note: this is the location of the previous definition #define compat_elf_check_arch(x) (((x)->e_machine == EM_ARM) && \ ^ >> arch/arm64/kernel/ptrace.c:880:8: error: 'COMPAT_ELF_NGREG' undeclared here >> (not in a function) .n = COMPAT_ELF_NGREG, ^ -- In file included from include/linux/elf.h:4:0, from include/linux/elfcore-compat.h:4, from fs/compat_binfmt_elf.c:20: >> arch/arm64/include/asm/elf.h:202:0: warning: "compat_elf_check_arch" >> redefined #define compat_elf_check_arch(x) compat_a32_elf_check_arch(x) ^ arch/arm64/include/asm/elf.h:179:0: note: this is the location of the previous definition #define compat_elf_check_arch(x) (((x)->e_machine == EM_ARM) && \ ^ In file included from fs/compat_binfmt_elf.c:145:0: fs/binfmt_elf.c: In function 'load_elf_interp': >> fs/binfmt_elf.c:533:2: error: implicit declaration of function >> 'compat_a32_elf_check_arch' [-Werror=implicit-function-declaration] if (!elf_check_arch(interp_elf_ex)) ^ cc1: some warnings being treated as errors vim +/COMPAT_ELF_NGREG +880 arch/arm64/kernel/ptrace.c 478fcb2c Will Deacon 2012-03-05 874 .regsets = aarch32_regsets, .n = ARRAY_SIZE(aarch32_regsets) 478fcb2c Will Deacon 2012-03-05 875 }; 478fcb2c Will Deacon 2012-03-05 876 5d220ff9 Catalin Marinas 2015-07-14 877 static const struct user_regset aarch32_ptrace_regsets[] = { 5d220ff9 Catalin Marinas 2015-07-14 878 [REGSET_GPR] = { 5d220ff9 Catalin Marinas 2015-07-14 879 .core_note_type = NT_PRSTATUS, 5d220ff9 Catalin Marinas 2015-07-14 @880 .n = COMPAT_ELF_NGREG, 5d220ff9 Catalin Marinas 2015-07-14 881 .size = sizeof(compat_elf_greg_t), 5d220ff9 Catalin Marinas 2015-07-14 882 .align = sizeof(compat_elf_greg_t), 5d220ff9 Catalin Marinas 2015-07-14 883 .get = compat_gpr_get, :::::: The code at line 880 was first introduced by commit :::::: 5d220ff9420f8b1689805ba2d938bedf9e0860a4 arm64: Better native ptrace support for compat tasks :::::: TO: Catalin Marinas <catalin.mari...@arm.com> :::::: CC: Will Deacon <will.dea...@arm.com> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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