Messages in this thread | | | From | Eric Dumazet <> | Date | Wed, 17 Nov 2021 10:55:28 -0800 | Subject | Re: [tip:x86/core 1/1] arch/x86/um/../lib/csum-partial_64.c:98:12: error: implicit declaration of function 'load_unaligned_zeropad' |
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On Wed, Nov 17, 2021 at 10:46 AM kernel test robot <lkp@intel.com> wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/core > head: d31c3c683ee668ba5d87c0730610442fd672525f > commit: d31c3c683ee668ba5d87c0730610442fd672525f [1/1] x86/csum: Rewrite/optimize csum_partial() > config: um-x86_64_defconfig (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/tip/tip.git/commit/?id=d31c3c683ee668ba5d87c0730610442fd672525f > git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git > git fetch --no-tags tip x86/core > git checkout d31c3c683ee668ba5d87c0730610442fd672525f > # save the attached .config to linux build tree > make W=1 ARCH=um SUBARCH=x86_64 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@intel.com> > > All errors (new ones prefixed by >>): > > arch/x86/um/../lib/csum-partial_64.c: In function 'csum_partial': > >> arch/x86/um/../lib/csum-partial_64.c:98:12: error: implicit declaration of function 'load_unaligned_zeropad' [-Werror=implicit-function-declaration] > 98 | trail = (load_unaligned_zeropad(buff) << shift) >> shift; > | ^~~~~~~~~~~~~~~~~~~~~~ > cc1: some warnings being treated as errors > >
Hmmm... it seems we need to guard this with CONFIG_DCACHE_WORD_ACCESS ?
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