[kbuild-all] powerpc-linux-ld: warning: orphan section `.ftrace.tramp' from `drivers/mfd/rsmu_core.o' being placed in section `.ftrace.tramp'

Hi Min, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 5833291ab6de9c3e2374336b51c814e515e8f3a5 commit: a1867f85e06edacd82956d3422caa2b9074f4321 mfd: Add Renesas Synchronization Management Unit (SMU) support date: 4 months ago config: powerpc-randconfig-c024-20211012 (attached as .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... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout a1867f85e06edacd82956d3422caa2b9074f4321 # save the attached .config 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(a)intel.com&gt; All warnings (new ones prefixed by >>): powerpc-linux-ld: warning: orphan section `.init.plt' from `drivers/mfd/rsmu_core.o' being placed in section `.init.plt' 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