Hi Dmitry, [auto build test ERROR on tip/x86/core] [also build test ERROR on v4.10-rc4 next-20170116] [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/Dmitry-Safonov/Fix-compatible-mmap-return-pointer-over-4Gb/20170116-204523 config: x86_64-randconfig-x001-201703 (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 All errors (new ones prefixed by >>): arch/x86/kernel/sys_x86_64.c: In function 'find_start_end': >> arch/x86/kernel/sys_x86_64.c:122:7: error: implicit declaration of function 'in_compat_syscall' [-Werror=implicit-function-declaration] if (in_compat_syscall()) { ^~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/in_compat_syscall +122 arch/x86/kernel/sys_x86_64.c 116 return; 117 } 118 119 if (!test_thread_flag(TIF_ADDR32)) { 120 #ifdef CONFIG_COMPAT 121 /* 64-bit native binary doing compat 32-bit syscall */ > 122 if (in_compat_syscall()) { 123 *begin = mmap_legacy_base(arch_compat_rnd(), 124 IA32_PAGE_OFFSET); 125 *end = IA32_PAGE_OFFSET; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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