On 4/5/19 11:47 PM, kbuild test robot wrote: > Hi Andrew, > > It's probably a bug fix that unveils the link errors. > > tree: git://git.cmpxchg.org/linux-mmotm.git master > head: b09c000f671826e6f073a7f89b266e4ac998952b > commit: 39a08f353e1f30f7ba2e8b751a9034010a99666c [227/248] linux-next-git-rejects > config: sh-allyesconfig (attached as .config) > compiler: sh4-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout 39a08f353e1f30f7ba2e8b751a9034010a99666c > # save the attached .config to linux build tree > GCC_VERSION=7.2.0 make.cross ARCH=sh > > All errors (new ones prefixed by >>): > > arch/sh/kernel/cpu/sh2/clock-sh7619.o:(.data+0x1c): undefined reference to `followparent_recalc' > drivers/gpu/drm/lima/lima_gem.o: In function `lima_gem_fault': >>> lima_gem.c:(.text+0x6c): undefined reference to `vmf_insert_mixed' vmf_insert_mixed() is only built for MMU configs, and the attached config does not set/enable MMU. Maybe this driver should depend on MMU, like several other drm drivers do. Also, lima_gem.c needs this line to be added to it: --- mmotm-2019-0405-1828.orig/drivers/gpu/drm/lima/lima_gem.c +++ mmotm-2019-0405-1828/drivers/gpu/drm/lima/lima_gem.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 OR MIT /* Copyright 2017-2019 Qiang Yu <yuq825@xxxxxxxxx> */ +#include <linux/mm.h> #include <linux/sync_file.h> #include <linux/pfn_t.h> -- ~Randy
