On Wed, Mar 30, 2022 at 02:53:14PM +0800, kbuild test robot wrote: > Hi Roman, > > FYI, the error/warning still remains. > > tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android12-trusty-5.10 > head: 07055bfd3d810d41a38354693dfaa55a6f8c0025 > commit: 0e0bfc41fdf4d79d39ebe929844cdee44f97366d [4036/5872] UPSTREAM: mm: cma: allocate cma areas bottom-up > config: x86_64-randconfig-a005 (https://download.01.org/0day-ci/archive/20220330/202203301412.MZ7wQvQz-lkp@xxxxxxxxx/config) > compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0f6d9501cf49ce02937099350d08f20c4af86f3d) > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # https://github.com/ammarfaizi2/linux-block/commit/0e0bfc41fdf4d79d39ebe929844cdee44f97366d > git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block > git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android12-trusty-5.10 > git checkout 0e0bfc41fdf4d79d39ebe929844cdee44f97366d > # save the config file to linux build tree > mkdir build_dir > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>, old ones prefixed by <<): > > >> WARNING: modpost: vmlinux.o(.text+0x4111c4): Section mismatch in reference from the function memblock_bottom_up() to the variable .meminit.data:memblock > The function memblock_bottom_up() references > the variable __meminitdata memblock. > This is often because memblock_bottom_up lacks a __meminitdata > annotation or the annotation of memblock is wrong. I guess this patch should fix it, however I fail to reproduce the original issue. Maybe it's up to the specific compiler version. --
