On Mon, Jun 06, 2022 at 08:48:05AM +0800, kernel test robot wrote: > Hi Sander, > > I love your patch! Yet something to improve: > > [auto build test ERROR on akpm-mm/mm-everything] > [also build test ERROR on linus/master v5.18 next-20220603] > [If your patch is applied to the wrong git tree, kindly drop us a note. > And when submitting patch, we suggest to use '--base' as documented in > https://git-scm.com/docs/git-format-patch] > > url: https://github.com/intel-lab-lkp/linux/commits/Sander-Vanheule/cpumask-Fix-invalid-uniprocessor-assumptions/20220606-004959 > base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything > config: i386-randconfig-a009 (https://download.01.org/0day-ci/archive/20220606/202206060858.wA0FOzRy-lkp@xxxxxxxxx/config) > compiler: gcc-11 (Debian 11.3.0-1) 11.3.0 > reproduce (this is a W=1 build): > # https://github.com/intel-lab-lkp/linux/commit/37b3f10c4604ea299b454f39ac5ba3cad903ae16 > git remote add linux-review https://github.com/intel-lab-lkp/linux > git fetch --no-tags linux-review Sander-Vanheule/cpumask-Fix-invalid-uniprocessor-assumptions/20220606-004959 > git checkout 37b3f10c4604ea299b454f39ac5ba3cad903ae16 > # save the config file > mkdir build_dir && cp config build_dir/.config > make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash > > If you fix the issue, kindly add following tag where applicable > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>): > > ld: arch/x86/kernel/cpu/cacheinfo.o: in function `__cache_amd_cpumap_setup': > arch/x86/kernel/cpu/cacheinfo.c:890: undefined reference to `cpu_llc_shared_map' > >> ld: arch/x86/kernel/cpu/cacheinfo.c:895: undefined reference to `cpu_llc_shared_map' Seems like somewhere we need stubs for UP builds for those cache related functions. -- With Best Regards, Andy Shevchenko
