Re: [PATCH 2/4] drm/ttm: Use LRU hitches

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

Hi Thomas,

kernel test robot noticed the following build warnings:

[auto build test WARNING on drm-misc/drm-misc-next]
[also build test WARNING on drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-tip/drm-tip linus/master v6.8-rc4 next-20240216]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Thomas-Hellstr-m/drm-ttm-Allow-TTM-LRU-list-nodes-of-different-types/20240216-211801
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:    https://lore.kernel.org/r/20240216131446.101961-3-thomas.hellstrom%40linux.intel.com
patch subject: [PATCH 2/4] drm/ttm: Use LRU hitches
config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20240217/202402171115.ELbaBdCa-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240217/202402171115.ELbaBdCa-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
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402171115.ELbaBdCa-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/ttm/ttm_resource.c:58: warning: expecting prototype for ttm_resource_cursor_fini_locked(). Prototype was for ttm_resource_cursor_fini() instead


vim +58 drivers/gpu/drm/ttm/ttm_resource.c

    48	
    49	/**
    50	 * ttm_resource_cursor_fini_locked() - Finalize the LRU list cursor usage
    51	 * @cursor: The struct ttm_resource_cursor to finalize.
    52	 *
    53	 * The function pulls the LRU list cursor off any lists it was previusly
    54	 * attached to. Needs to be called without the LRU list lock held. The
    55	 * function can be called multiple times after eachother.
    56	 */
    57	void ttm_resource_cursor_fini(struct ttm_resource_cursor *cursor)
  > 58	{
    59		spinlock_t *lru_lock = &cursor->man->bdev->lru_lock;
    60	
    61		spin_lock(lru_lock);
    62		ttm_resource_cursor_fini_locked(cursor);
    63		spin_unlock(lru_lock);
    64	}
    65	

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