drivers/gpu/drm/ttm/tests/ttm_bo_test.c:225:13: error: incompatible pointer types passing 'struct rt_mutex *' to parameter of type 'struct mutex *'

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   2e1b3cc9d7f790145a80cb705b168f05dab65df2
commit: d2d6422f8bd17c6bb205133e290625a564194496 x86: Allow to enable PREEMPT_RT.
date:   7 weeks ago
config: i386-buildonly-randconfig-002-20241106 (https://download.01.org/0day-ci/archive/20241106/202411060302.ox59BV7M-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241106/202411060302.ox59BV7M-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/202411060302.ox59BV7M-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/gpu/drm/ttm/tests/ttm_bo_test.c:15:
   In file included from include/drm/ttm/ttm_tt.h:30:
   In file included from include/linux/pagemap.h:8:
   In file included from include/linux/mm.h:2237:
   include/linux/vmstat.h:517:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     517 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
>> drivers/gpu/drm/ttm/tests/ttm_bo_test.c:225:13: error: incompatible pointer types passing 'struct rt_mutex *' to parameter of type 'struct mutex *' [-Werror,-Wincompatible-pointer-types]
     225 |         mutex_lock(&bo->base.resv->lock.base);
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/mutex.h:161:44: note: expanded from macro 'mutex_lock'
     161 | #define mutex_lock(lock) mutex_lock_nested(lock, 0)
         |                                            ^~~~
   include/linux/mutex.h:152:45: note: passing argument to parameter 'lock' here
     152 | extern void mutex_lock_nested(struct mutex *lock, unsigned int subclass);
         |                                             ^
   drivers/gpu/drm/ttm/tests/ttm_bo_test.c:231:15: error: incompatible pointer types passing 'struct rt_mutex *' to parameter of type 'struct mutex *' [-Werror,-Wincompatible-pointer-types]
     231 |         mutex_unlock(&bo->base.resv->lock.base);
         |                      ^~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/mutex.h:192:40: note: passing argument to parameter 'lock' here
     192 | extern void mutex_unlock(struct mutex *lock);
         |                                        ^
   1 warning and 2 errors generated.


vim +225 drivers/gpu/drm/ttm/tests/ttm_bo_test.c

995279d280d1ef Karolina Stolarek 2023-11-29  210  
995279d280d1ef Karolina Stolarek 2023-11-29  211  static void ttm_bo_reserve_interrupted(struct kunit *test)
995279d280d1ef Karolina Stolarek 2023-11-29  212  {
995279d280d1ef Karolina Stolarek 2023-11-29  213  	struct ttm_buffer_object *bo;
995279d280d1ef Karolina Stolarek 2023-11-29  214  	struct task_struct *task;
995279d280d1ef Karolina Stolarek 2023-11-29  215  	int err;
995279d280d1ef Karolina Stolarek 2023-11-29  216  
588c4c8d58c413 Karolina Stolarek 2024-06-12  217  	bo = ttm_bo_kunit_init(test, test->priv, BO_SIZE, NULL);
995279d280d1ef Karolina Stolarek 2023-11-29  218  
995279d280d1ef Karolina Stolarek 2023-11-29  219  	task = kthread_create(threaded_ttm_bo_reserve, bo, "ttm-bo-reserve");
995279d280d1ef Karolina Stolarek 2023-11-29  220  
995279d280d1ef Karolina Stolarek 2023-11-29  221  	if (IS_ERR(task))
995279d280d1ef Karolina Stolarek 2023-11-29  222  		KUNIT_FAIL(test, "Couldn't create ttm bo reserve task\n");
995279d280d1ef Karolina Stolarek 2023-11-29  223  
995279d280d1ef Karolina Stolarek 2023-11-29  224  	/* Take a lock so the threaded reserve has to wait */
995279d280d1ef Karolina Stolarek 2023-11-29 @225  	mutex_lock(&bo->base.resv->lock.base);
995279d280d1ef Karolina Stolarek 2023-11-29  226  
995279d280d1ef Karolina Stolarek 2023-11-29  227  	wake_up_process(task);
995279d280d1ef Karolina Stolarek 2023-11-29  228  	msleep(20);
995279d280d1ef Karolina Stolarek 2023-11-29  229  	err = kthread_stop(task);
995279d280d1ef Karolina Stolarek 2023-11-29  230  
995279d280d1ef Karolina Stolarek 2023-11-29  231  	mutex_unlock(&bo->base.resv->lock.base);
995279d280d1ef Karolina Stolarek 2023-11-29  232  
995279d280d1ef Karolina Stolarek 2023-11-29  233  	KUNIT_ASSERT_EQ(test, err, -ERESTARTSYS);
995279d280d1ef Karolina Stolarek 2023-11-29  234  }
995279d280d1ef Karolina Stolarek 2023-11-29  235  #endif /* IS_BUILTIN(CONFIG_DRM_TTM_KUNIT_TEST) */
995279d280d1ef Karolina Stolarek 2023-11-29  236  

:::::: The code at line 225 was first introduced by commit
:::::: 995279d280d1ef5cc349b6eafee4dccd720c99bf drm/ttm/tests: Add tests for ttm_bo functions

:::::: TO: Karolina Stolarek <karolina.stolarek@intel.com>
:::::: CC: Christian König <christian.koenig@amd.com>

-- 
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https://github.com/intel/lkp-tests/wiki