On Tue, Dec 03, 2024 at 04:34:33AM +0800, kernel test robot wrote: > Hi Lorenzo, > > kernel test robot noticed the following build errors: > > [auto build test ERROR on linus/master] > [also build test ERROR on v6.13-rc1 next-20241128] > [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#_base_tree_information] > > url: https://github.com/intel-lab-lkp/linux/commits/Lorenzo-Stoakes/intel_th-avoid-using-deprecated-page-mapping-index-fields/20241202-202330 > base: linus/master > patch link: https://lore.kernel.org/r/20241202122127.51313-1-lorenzo.stoakes%40oracle.com > patch subject: [PATCH] intel_th: avoid using deprecated page->mapping, index fields > config: arm-randconfig-004-20241202 (https://download.01.org/0day-ci/archive/20241203/202412030410.qX3ejEnD-lkp@xxxxxxxxx/config) > compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 592c0fe55f6d9a811028b5f3507be91458ab2713) > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241203/202412030410.qX3ejEnD-lkp@xxxxxxxxx/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot <lkp@xxxxxxxxx> > | Closes: https://lore.kernel.org/oe-kbuild-all/202412030410.qX3ejEnD-lkp@xxxxxxxxx/ > > All errors (new ones prefixed by >>, old ones prefixed by <<): > > >> ERROR: modpost: "vmf_insert_mixed" [drivers/hwtracing/intel_th/intel_th_msu.ko] undefined! This is a nommu arch, while the info above doesn't tell you this, the fact it says this function, defined in mm/memory.c, is not availble, indicates that this is the only possible cause. And, as this is a driver that literally depends on page faulting to work at all, the proper solution is to adjust the Kconfig to depend on CONFIG_MMU. I'll send a v2. > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki