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Subjectdebug_vm_pgtable.c:undefined reference to `pmd_set_huge'
Hi Jonathan,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: a8ad9a2434dc7967ab285437f443cae633b6fc1c
commit: d8a719059b9dc963aa190598778ac804ff3e6a87 Revert "mm/pgtable: add stubs for {pmd/pub}_{set/clear}_huge"
date: 5 months ago
config: powerpc-randconfig-c024-20211012 (https://download.01.org/0day-ci/archive/20211228/202112281428.5oloqFOk-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 11.2.0
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
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d8a719059b9dc963aa190598778ac804ff3e6a87
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout d8a719059b9dc963aa190598778ac804ff3e6a87
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

powerpc-linux-ld: mm/debug_vm_pgtable.o: in function `debug_vm_pgtable':
>> debug_vm_pgtable.c:(.init.text+0x9d0): undefined reference to `pmd_set_huge'
>> powerpc-linux-ld: debug_vm_pgtable.c:(.init.text+0xaf4): undefined reference to `pud_set_huge'
powerpc-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_set_suspend':
(.text+0x424): undefined reference to `fb_set_suspend'
powerpc-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_resume_worker':
drm_fb_helper.c:(.text+0x4b0): undefined reference to `fb_set_suspend'
powerpc-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_unregister_fbi':
(.text+0x818): undefined reference to `unregister_framebuffer'
powerpc-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_fini':
(.text+0x9b8): undefined reference to `fb_dealloc_cmap'
powerpc-linux-ld: (.text+0x9d8): undefined reference to `framebuffer_release'
powerpc-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_read':
(.text+0xbe8): undefined reference to `fb_sys_read'
powerpc-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_alloc_fbi':
(.text+0x34f8): undefined reference to `framebuffer_alloc'
powerpc-linux-ld: (.text+0x3554): undefined reference to `fb_alloc_cmap'
powerpc-linux-ld: (.text+0x3618): undefined reference to `fb_dealloc_cmap'
powerpc-linux-ld: (.text+0x3674): undefined reference to `framebuffer_release'
powerpc-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `__drm_fb_helper_initial_config_and_unlock':
drm_fb_helper.c:(.text+0x37b0): undefined reference to `register_framebuffer'
powerpc-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_set_suspend_unlocked':
(.text+0x4518): undefined reference to `fb_set_suspend'
powerpc-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_generic_probe':
drm_fb_helper.c:(.text+0x58f8): undefined reference to `fb_deferred_io_init'
powerpc-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_write':
(.text+0x644c): undefined reference to `fb_sys_write'
powerpc-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_fillrect':
(.text+0x6534): undefined reference to `sys_fillrect'
powerpc-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_copyarea':
(.text+0x65b4): undefined reference to `sys_copyarea'
powerpc-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_imageblit':
(.text+0x6634): undefined reference to `sys_imageblit'
powerpc-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_cfb_fillrect':
(.text+0x66b4): undefined reference to `cfb_fillrect'
powerpc-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_cfb_copyarea':
(.text+0x6734): undefined reference to `cfb_copyarea'
powerpc-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_cfb_imageblit':
(.text+0x67b4): undefined reference to `cfb_imageblit'
powerpc-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fbdev_fb_imageblit':
drm_fb_helper.c:(.text+0x6c30): undefined reference to `cfb_imageblit'
powerpc-linux-ld: drm_fb_helper.c:(.text+0x6c58): undefined reference to `sys_imageblit'
powerpc-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fbdev_fb_copyarea':
drm_fb_helper.c:(.text+0x6d30): undefined reference to `cfb_copyarea'
powerpc-linux-ld: drm_fb_helper.c:(.text+0x6d58): undefined reference to `sys_copyarea'
powerpc-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fbdev_fb_fillrect':
drm_fb_helper.c:(.text+0x6e30): undefined reference to `cfb_fillrect'
powerpc-linux-ld: drm_fb_helper.c:(.text+0x6e58): undefined reference to `sys_fillrect'
powerpc-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fbdev_cleanup':
drm_fb_helper.c:(.text+0x734c): undefined reference to `fb_deferred_io_cleanup'

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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