Hi lkp, (or is it ktr?) This is sort of a shame-on-you post. As a robot, I hope that you don't have any hard feelings about it. :)
On 9/6/20 9:17 AM, kernel test robot wrote: > Hi Michal, > > FYI, the error/warning still remains. > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > master > head: dd9fb9bb3340c791a2be106fdc895db75f177343 > commit: 2602276d3d3811b1a48c48113042cd75fcbfc27d microblaze: Wire CMA > allocator > date: 7 months ago > config: microblaze-randconfig-r021-20200906 (attached as .config) > compiler: microblaze-linux-gcc (GCC) 9.3.0 > 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 > git checkout 2602276d3d3811b1a48c48113042cd75fcbfc27d > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross > ARCH=microblaze > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <l...@intel.com> > > All errors (new ones prefixed by >>): > > microblaze-linux-ld: mm/page_alloc.o: in function `alloc_contig_range': >>> (.text+0x10c8c): undefined reference to `start_isolate_page_range' >>> microblaze-linux-ld: (.text+0x10f14): undefined reference to >>> `test_pages_isolated' >>> microblaze-linux-ld: (.text+0x10fd0): undefined reference to >>> `undo_isolate_page_range' When I (easily) reproduce this build error, I also see a Kconfig warning: (or the same warning repeated 3 times) WARNING: unmet direct dependencies detected for CMA Depends on [n]: MMU [=n] Selected by [m]: - DRM_ASPEED_GFX [=m] && HAS_IOMEM [=y] && DRM [=m] && OF [=y] && (COMPILE_TEST [=y] || ARCH_ASPEED) && HAVE_DMA_CONTIGUOUS [=y] WARNING: unmet direct dependencies detected for CMA Depends on [n]: MMU [=n] Selected by [m]: - DRM_ASPEED_GFX [=m] && HAS_IOMEM [=y] && DRM [=m] && OF [=y] && (COMPILE_TEST [=y] || ARCH_ASPEED) && HAVE_DMA_CONTIGUOUS [=y] WARNING: unmet direct dependencies detected for CMA Depends on [n]: MMU [=n] Selected by [m]: - DRM_ASPEED_GFX [=m] && HAS_IOMEM [=y] && DRM [=m] && OF [=y] && (COMPILE_TEST [=y] || ARCH_ASPEED) && HAVE_DMA_CONTIGUOUS [=y] This is the cause of the build errors. You shouldn't omit Kconfig warnings from your reports. > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org cheers. -- ~Randy
