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Message-ID: <202411060302.ox59BV7M-lkp@intel.com>
Date: Wed, 6 Nov 2024 03:55:50 +0800
From: kernel test robot <lkp@...el.com>
To: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>
Subject: 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
*'
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@...el.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@...el.com>
:::::: CC: Christian König <christian.koenig@....com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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