tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git compat-alloc-user-space-9 head: c20b182ddc8032c63c381bf868f99222bab89537 commit: 5cbe995d81d1ea310babe2c123bf1a40dff25e46 [6/41] ethtool: improve compat ioctl handling config: um-allmodconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git/commit/?id=5cbe995d81d1ea310babe2c123bf1a40dff25e46 git remote add asm-generic https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git git fetch --no-tags asm-generic compat-alloc-user-space-9 git checkout 5cbe995d81d1ea310babe2c123bf1a40dff25e46 # save the attached .config to linux build tree make W=1 ARCH=um If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): net/ethtool/ioctl.c: In function 'ethtool_translate_compat': >> net/ethtool/ioctl.c:815:9: error: implicit declaration of function 'in_ia32_syscall'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration] 815 | return in_ia32_syscall(); | ^~~~~~~~~~~~~~~ | in_compat_syscall cc1: some warnings being treated as errors vim +815 net/ethtool/ioctl.c 810 811 static bool ethtool_translate_compat(void) 812 { 813 #ifdef CONFIG_X86_64 814 /* On x86, translation is needed for i386 but not x32 */ > 815 return in_ia32_syscall(); 816 #else 817 BUILD_BUG_ON(sizeof(struct compat_ethtool_rxnfc) != 818 sizeof(struct ethtool_rxnfc)); 819 #endif 820 return false; 821 } 822 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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