drivers/gpu/drm/xe/xe_lrc.c:1116:undefined reference to `xe_configfs_get_ctx_restore_post_bb'

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d8a9a4b11a137909e306e50346148fc5c3b63f9d
commit: 6c6988c5e03df145e6c5cabc50d67b11f5aa2e56 drm/xe/lrc: Allow to add user commands on context switch
date:   7 months ago
config: arc-randconfig-002-20260401 (https://download.01.org/0day-ci/archive/20260403/202604032219.qsUONow2-lkp@intel.com/config)
compiler: arc-linux-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260403/202604032219.qsUONow2-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Fixes: 6c6988c5e03d ("drm/xe/lrc: Allow to add user commands on context switch")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202604032219.qsUONow2-lkp@intel.com/

All errors (new ones prefixed by >>):

   arc-linux-ld: drivers/gpu/drm/xe/xe_module.o:(.rodata+0x8): undefined reference to `xe_configfs_init'
   arc-linux-ld: drivers/gpu/drm/xe/xe_module.o:(.rodata+0x8): undefined reference to `xe_configfs_init'
   arc-linux-ld: drivers/gpu/drm/xe/xe_module.o:(.rodata+0xc): undefined reference to `xe_configfs_exit'
   arc-linux-ld: drivers/gpu/drm/xe/xe_module.o:(.rodata+0xc): undefined reference to `xe_configfs_exit'
   arc-linux-ld: drivers/gpu/drm/xe/xe_guc.o: in function `xe_guc_init_post_hwconfig':
   drivers/gpu/drm/xe/xe_guc.c:90:(.text+0xb7a): undefined reference to `xe_configfs_get_psmi_enabled'
   arc-linux-ld: drivers/gpu/drm/xe/xe_guc.c:90:(.text+0xb7a): undefined reference to `xe_configfs_get_psmi_enabled'
   arc-linux-ld: drivers/gpu/drm/xe/xe_hw_engine.o: in function `xe_hw_engines_init_early':
   drivers/gpu/drm/xe/xe_hw_engine.c:812:(.text+0x994): undefined reference to `xe_configfs_get_engines_allowed'
   arc-linux-ld: drivers/gpu/drm/xe/xe_hw_engine.c:812:(.text+0x994): undefined reference to `xe_configfs_get_engines_allowed'
   arc-linux-ld: drivers/gpu/drm/xe/xe_lrc.o: in function `setup_configfs_post_ctx_restore_bb':
>> drivers/gpu/drm/xe/xe_lrc.c:1116:(.text+0x5ce): undefined reference to `xe_configfs_get_ctx_restore_post_bb'
>> arc-linux-ld: drivers/gpu/drm/xe/xe_lrc.c:1116:(.text+0x5ce): undefined reference to `xe_configfs_get_ctx_restore_post_bb'
   arc-linux-ld: drivers/gpu/drm/xe/xe_pci.o: in function `xe_pci_probe':
   drivers/gpu/drm/xe/xe_pci.c:828:(.text+0x5f6): undefined reference to `xe_configfs_check_device'
   arc-linux-ld: drivers/gpu/drm/xe/xe_pci.c:828:(.text+0x5f6): undefined reference to `xe_configfs_check_device'
   arc-linux-ld: drivers/gpu/drm/xe/xe_psmi.o: in function `xe_psmi_debugfs_register':
   drivers/gpu/drm/xe/xe_psmi.c:36:(.text+0x2f6): undefined reference to `xe_configfs_get_psmi_enabled'
   arc-linux-ld: drivers/gpu/drm/xe/xe_psmi.c:36:(.text+0x2f6): undefined reference to `xe_configfs_get_psmi_enabled'
   arc-linux-ld: drivers/gpu/drm/xe/xe_psmi.o: in function `xe_psmi_init':
   drivers/gpu/drm/xe/xe_psmi.c:36:(.text+0x368): undefined reference to `xe_configfs_get_psmi_enabled'
   arc-linux-ld: drivers/gpu/drm/xe/xe_psmi.c:36:(.text+0x368): undefined reference to `xe_configfs_get_psmi_enabled'
   arc-linux-ld: drivers/gpu/drm/xe/xe_rtp.o: in function `xe_rtp_match_psmi_enabled':
   drivers/gpu/drm/xe/xe_rtp.c:371:(.text+0x706): undefined reference to `xe_configfs_get_psmi_enabled'
   arc-linux-ld: drivers/gpu/drm/xe/xe_rtp.o:drivers/gpu/drm/xe/xe_rtp.c:371: more undefined references to `xe_configfs_get_psmi_enabled' follow
   arc-linux-ld: drivers/gpu/drm/xe/xe_survivability_mode.o: in function `xe_survivability_mode_is_requested':
   drivers/gpu/drm/xe/xe_survivability_mode.c:295:(.text+0x264): undefined reference to `xe_configfs_get_survivability_mode'
   arc-linux-ld: drivers/gpu/drm/xe/xe_survivability_mode.c:295:(.text+0x264): undefined reference to `xe_configfs_get_survivability_mode'


vim +1116 drivers/gpu/drm/xe/xe_lrc.c

  1106	
  1107	static ssize_t setup_configfs_post_ctx_restore_bb(struct xe_lrc *lrc,
  1108							  struct xe_hw_engine *hwe,
  1109							  u32 *batch, size_t max_len)
  1110	{
  1111		struct xe_device *xe = gt_to_xe(lrc->gt);
  1112		const u32 *user_batch;
  1113		u32 *cmd = batch;
  1114		u32 count;
  1115	
> 1116		count = xe_configfs_get_ctx_restore_post_bb(to_pci_dev(xe->drm.dev),
  1117							    hwe->class, &user_batch);
  1118		if (!count)
  1119			return 0;
  1120	
  1121		if (count > max_len)
  1122			return -ENOSPC;
  1123	
  1124		/*
  1125		 * This should be used only for tests and validation. Taint the kernel
  1126		 * as anything could be submitted directly in context switches
  1127		 */
  1128		add_taint(TAINT_TEST, LOCKDEP_STILL_OK);
  1129	
  1130		memcpy(cmd, user_batch, count * sizeof(u32));
  1131		cmd += count;
  1132	
  1133		return cmd - batch;
  1134	}
  1135	

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