Hi Dave, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.20 next-20190103] [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/Dave-Hansen/x86-mpx-remove-MPX-APIs/20190105-051028 config: i386-tinyconfig (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 Note: the linux-review/Dave-Hansen/x86-mpx-remove-MPX-APIs/20190105-051028 HEAD 34ce15ccc190201bc8c062e1559df2c1864902ef builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): arch/x86/kernel/setup.c: In function 'setup_arch': >> arch/x86/kernel/setup.c:927:2: error: implicit declaration of function 'mpx_mm_init'; did you mean 'mem_init'? [-Werror=implicit-function-declaration] mpx_mm_init(&init_mm); ^~~~~~~~~~~ mem_init cc1: some warnings being treated as errors vim +927 arch/x86/kernel/setup.c 7465252ea arch/x86/kernel/setup_32.c Yinghai Lu 2008-06-23 911 42bbdb43b arch/x86/kernel/setup.c Thomas Gleixner 2009-08-20 912 x86_init.oem.arch_setup(); 2215e69d2 arch/x86/kernel/setup_32.c Huang, Ying 2008-01-30 913 419afdf53 arch/x86/kernel/setup.c Bjorn Helgaas 2010-10-26 914 iomem_resource.end = (1ULL << boot_cpu_data.x86_phys_bits) - 1; 103e20630 arch/x86/kernel/setup.c Ingo Molnar 2017-01-28 915 e820__memory_setup(); 28bb22379 arch/x86/kernel/setup.c Yinghai Lu 2008-06-30 916 parse_setup_data(); 28bb22379 arch/x86/kernel/setup.c Yinghai Lu 2008-06-30 917 ^1da177e4 arch/i386/kernel/setup.c Linus Torvalds 2005-04-16 918 copy_edd(); ^1da177e4 arch/i386/kernel/setup.c Linus Torvalds 2005-04-16 919 30c826451 arch/x86/kernel/setup_32.c H. Peter Anvin 2007-10-15 920 if (!boot_params.hdr.root_flags) ^1da177e4 arch/i386/kernel/setup.c Linus Torvalds 2005-04-16 921 root_mountflags &= ~MS_RDONLY; ^1da177e4 arch/i386/kernel/setup.c Linus Torvalds 2005-04-16 922 init_mm.start_code = (unsigned long) _text; ^1da177e4 arch/i386/kernel/setup.c Linus Torvalds 2005-04-16 923 init_mm.end_code = (unsigned long) _etext; ^1da177e4 arch/i386/kernel/setup.c Linus Torvalds 2005-04-16 924 init_mm.end_data = (unsigned long) _edata; 93dbda7cb arch/x86/kernel/setup.c Jeremy Fitzhardinge 2009-02-26 925 init_mm.brk = _brk_end; fe3d197f8 arch/x86/kernel/setup.c Dave Hansen 2014-11-14 926 fe3d197f8 arch/x86/kernel/setup.c Dave Hansen 2014-11-14 @927 mpx_mm_init(&init_mm); ^1da177e4 arch/i386/kernel/setup.c Linus Torvalds 2005-04-16 928 4046d6e81 arch/x86/kernel/setup.c Linus Torvalds 2016-04-14 929 code_resource.start = __pa_symbol(_text); 4046d6e81 arch/x86/kernel/setup.c Linus Torvalds 2016-04-14 930 code_resource.end = __pa_symbol(_etext)-1; 4046d6e81 arch/x86/kernel/setup.c Linus Torvalds 2016-04-14 931 data_resource.start = __pa_symbol(_etext); 4046d6e81 arch/x86/kernel/setup.c Linus Torvalds 2016-04-14 932 data_resource.end = __pa_symbol(_edata)-1; 4046d6e81 arch/x86/kernel/setup.c Linus Torvalds 2016-04-14 933 bss_resource.start = __pa_symbol(__bss_start); 4046d6e81 arch/x86/kernel/setup.c Linus Torvalds 2016-04-14 934 bss_resource.end = __pa_symbol(__bss_stop)-1; 4046d6e81 arch/x86/kernel/setup.c Linus Torvalds 2016-04-14 935 :::::: The code at line 927 was first introduced by commit :::::: fe3d197f84319d3bce379a9c0dc17b1f48ad358c x86, mpx: On-demand kernel allocation of bounds tables :::::: TO: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> :::::: CC: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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