tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 234cb065ad82915ff8d06ce01e01c3e640b674d2 commit: 5fccc7552ccbc521bad61653ee739b1196b1bc53 [3310/3594] ftrace: Add subops logic to allow one ops to manage many config: i386-randconfig-r131-20240605 (https://download.01.org/0day-ci/archive/20240605/202406051521.mroqvR5l-lkp@xxxxxxxxx/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240605/202406051521.mroqvR5l-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202406051521.mroqvR5l-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) kernel/trace/ftrace.c:125:59: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct ftrace_ops [noderef] __rcu *[addressable] [toplevel] ftrace_ops_list @@ got struct ftrace_ops * @@ kernel/trace/ftrace.c:125:59: sparse: expected struct ftrace_ops [noderef] __rcu *[addressable] [toplevel] ftrace_ops_list kernel/trace/ftrace.c:125:59: sparse: got struct ftrace_ops * kernel/trace/ftrace.c:232:49: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_ops *ops @@ got struct ftrace_ops [noderef] __rcu *[addressable] [toplevel] ftrace_ops_list @@ kernel/trace/ftrace.c:232:49: sparse: expected struct ftrace_ops *ops kernel/trace/ftrace.c:232:49: sparse: got struct ftrace_ops [noderef] __rcu *[addressable] [toplevel] ftrace_ops_list kernel/trace/ftrace.c:313:23: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_ops [noderef] __rcu * @@ got struct ftrace_ops * @@ kernel/trace/ftrace.c:313:23: sparse: expected struct ftrace_ops [noderef] __rcu * kernel/trace/ftrace.c:313:23: sparse: got struct ftrace_ops * kernel/trace/ftrace.c:317:16: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_ops **p @@ got struct ftrace_ops [noderef] __rcu **list @@ kernel/trace/ftrace.c:317:16: sparse: expected struct ftrace_ops **p kernel/trace/ftrace.c:317:16: sparse: got struct ftrace_ops [noderef] __rcu **list kernel/trace/ftrace.c:317:50: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_ops **p @@ got struct ftrace_ops [noderef] __rcu ** @@ kernel/trace/ftrace.c:317:50: sparse: expected struct ftrace_ops **p kernel/trace/ftrace.c:317:50: sparse: got struct ftrace_ops [noderef] __rcu ** kernel/trace/ftrace.c:324:12: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_ops * @@ got struct ftrace_ops [noderef] __rcu *next @@ kernel/trace/ftrace.c:324:12: sparse: expected struct ftrace_ops * kernel/trace/ftrace.c:324:12: sparse: got struct ftrace_ops [noderef] __rcu *next kernel/trace/ftrace.c:1068:43: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *notrace_hash @@ got struct ftrace_hash * @@ kernel/trace/ftrace.c:1068:43: sparse: expected struct ftrace_hash [noderef] __rcu *notrace_hash kernel/trace/ftrace.c:1068:43: sparse: got struct ftrace_hash * kernel/trace/ftrace.c:1069:43: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *filter_hash @@ got struct ftrace_hash * @@ kernel/trace/ftrace.c:1069:43: sparse: expected struct ftrace_hash [noderef] __rcu *filter_hash kernel/trace/ftrace.c:1069:43: sparse: got struct ftrace_hash * kernel/trace/ftrace.c:1292:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:1292:40: sparse: expected struct ftrace_hash *hash kernel/trace/ftrace.c:1292:40: sparse: got struct ftrace_hash [noderef] __rcu *filter_hash kernel/trace/ftrace.c:1293:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@ kernel/trace/ftrace.c:1293:40: sparse: expected struct ftrace_hash *hash kernel/trace/ftrace.c:1293:40: sparse: got struct ftrace_hash [noderef] __rcu *notrace_hash kernel/trace/ftrace.c:2069:54: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct ftrace_hash *old_hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:2069:54: sparse: expected struct ftrace_hash *old_hash kernel/trace/ftrace.c:2069:54: sparse: got struct ftrace_hash [noderef] __rcu *filter_hash kernel/trace/ftrace.c:1474:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/trace/ftrace.c:1474:9: sparse: struct ftrace_hash [noderef] __rcu * kernel/trace/ftrace.c:1474:9: sparse: struct ftrace_hash * kernel/trace/ftrace.c:1490:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:1491:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:1492:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@ kernel/trace/ftrace.c:1493:42: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@ kernel/trace/ftrace.c:1666:18: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_ops *ops @@ got struct ftrace_ops [noderef] __rcu *[addressable] [toplevel] ftrace_ops_list @@ kernel/trace/ftrace.c:1667:43: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_ops *ops @@ got struct ftrace_ops [noderef] __rcu *next @@ kernel/trace/ftrace.c:1727:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:1728:28: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash *other_hash @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@ kernel/trace/ftrace.c:1733:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@ kernel/trace/ftrace.c:1734:28: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash *other_hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:2047:50: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:2058:50: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:2541:53: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *static [toplevel] direct_functions @@ got struct ftrace_hash * @@ kernel/trace/ftrace.c:2552:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *static [toplevel] direct_functions @@ >> kernel/trace/ftrace.c:3274:63: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct ftrace_hash *new_hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:3299:88: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@ >> kernel/trace/ftrace.c:3307:77: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected struct ftrace_hash *new_hash2 @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@ >> kernel/trace/ftrace.c:3356:51: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct ftrace_hash *B @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ >> kernel/trace/ftrace.c:3357:64: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct ftrace_hash **orig_hash @@ got struct ftrace_hash [noderef] __rcu ** @@ >> kernel/trace/ftrace.c:3363:52: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct ftrace_hash *B @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@ kernel/trace/ftrace.c:3364:64: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct ftrace_hash **orig_hash @@ got struct ftrace_hash [noderef] __rcu ** @@ >> kernel/trace/ftrace.c:3403:45: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *filter_hash @@ got struct ftrace_hash * @@ >> kernel/trace/ftrace.c:3405:46: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *notrace_hash @@ got struct ftrace_hash * @@ kernel/trace/ftrace.c:3407:48: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *filter_hash @@ got struct ftrace_hash * @@ kernel/trace/ftrace.c:3409:49: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *notrace_hash @@ got struct ftrace_hash * @@ >> kernel/trace/ftrace.c:3414:58: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *src @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ >> kernel/trace/ftrace.c:3415:59: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *src @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@ >> kernel/trace/ftrace.c:3422:34: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash *save_filter_hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ >> kernel/trace/ftrace.c:3423:35: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash *save_notrace_hash @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@ >> kernel/trace/ftrace.c:3425:45: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *filter_hash @@ got struct ftrace_hash *[assigned] filter_hash @@ >> kernel/trace/ftrace.c:3426:46: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *notrace_hash @@ got struct ftrace_hash *[assigned] notrace_hash @@ >> kernel/trace/ftrace.c:3431:53: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *filter_hash @@ got struct ftrace_hash *save_filter_hash @@ >> kernel/trace/ftrace.c:3432:54: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *notrace_hash @@ got struct ftrace_hash *save_notrace_hash @@ kernel/trace/ftrace.c:3450:45: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:3451:48: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:3456:83: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:3459:66: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct ftrace_hash *new_hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:3466:45: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@ kernel/trace/ftrace.c:3467:48: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@ >> kernel/trace/ftrace.c:3478:67: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct ftrace_hash *new_hash1 @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ >> kernel/trace/ftrace.c:3479:55: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected struct ftrace_hash *new_hash2 @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:3537:48: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:3538:48: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@ kernel/trace/ftrace.c:3539:45: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *filter_hash @@ got struct ftrace_hash * @@ kernel/trace/ftrace.c:3540:46: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *notrace_hash @@ got struct ftrace_hash * @@ kernel/trace/ftrace.c:3781:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:3798:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:4446:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@ kernel/trace/ftrace.c:4449:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:4874:27: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash **orig_hash @@ got struct ftrace_hash [noderef] __rcu ** @@ kernel/trace/ftrace.c:4876:27: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash **orig_hash @@ got struct ftrace_hash [noderef] __rcu ** @@ kernel/trace/ftrace.c:5249:19: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash **orig_hash @@ got struct ftrace_hash [noderef] __rcu ** @@ kernel/trace/ftrace.c:5393:19: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash **orig_hash @@ got struct ftrace_hash [noderef] __rcu ** @@ kernel/trace/ftrace.c:5399:34: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *filter_hash @@ got struct ftrace_hash *[assigned] old_hash @@ kernel/trace/ftrace.c:5674:27: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash **orig_hash @@ got struct ftrace_hash [noderef] __rcu ** @@ kernel/trace/ftrace.c:5676:27: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash **orig_hash @@ got struct ftrace_hash [noderef] __rcu ** @@ kernel/trace/ftrace.c:5749:50: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *static [toplevel] direct_functions @@ kernel/trace/ftrace.c:5751:51: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *static [toplevel] direct_functions @@ kernel/trace/ftrace.c:5800:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:5849:19: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash *free_hash @@ got struct ftrace_hash [noderef] __rcu *static [toplevel] direct_functions @@ kernel/trace/ftrace.c:5889:50: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:5941:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:5945:52: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *static [addressable] [assigned] [toplevel] direct_functions @@ kernel/trace/ftrace.c:6240:35: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *extern [addressable] [toplevel] ftrace_graph_hash @@ got struct ftrace_hash *[assigned] hash @@ kernel/trace/ftrace.c:6242:43: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *extern [addressable] [toplevel] ftrace_graph_notrace_hash @@ got struct ftrace_hash *[assigned] hash @@ kernel/trace/ftrace.c:6303:35: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash **orig_hash @@ got struct ftrace_hash [noderef] __rcu ** @@ kernel/trace/ftrace.c:6311:35: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash **orig_hash @@ got struct ftrace_hash [noderef] __rcu ** @@ kernel/trace/ftrace.c:6379:47: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *[addressable] [toplevel] ftrace_graph_hash @@ got struct ftrace_hash * @@ kernel/trace/ftrace.c:6380:55: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *[addressable] [toplevel] ftrace_graph_notrace_hash @@ got struct ftrace_hash * @@ kernel/trace/ftrace.c:7057:46: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:7058:47: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:7062:44: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@ kernel/trace/ftrace.c:7080:18: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_ops *ops @@ got struct ftrace_ops [noderef] __rcu *[addressable] [toplevel] ftrace_ops_list @@ kernel/trace/ftrace.c:7080:66: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_ops *ops @@ got struct ftrace_ops [noderef] __rcu *next @@ kernel/trace/ftrace.c:7132:59: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:7133:59: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@ kernel/trace/ftrace.c:7516:62: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:7517:62: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@ kernel/trace/ftrace.c:7561:36: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/trace/ftrace.c:7561:36: sparse: struct ftrace_ops [noderef] __rcu * kernel/trace/ftrace.c:7561:36: sparse: struct ftrace_ops * kernel/trace/ftrace.c:8337:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:8337:14: sparse: expected struct ftrace_hash *hash kernel/trace/ftrace.c:8337:14: sparse: got struct ftrace_hash [noderef] __rcu *filter_hash kernel/trace/ftrace.c:8386:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:8386:14: sparse: expected struct ftrace_hash *hash kernel/trace/ftrace.c:8386:14: sparse: got struct ftrace_hash [noderef] __rcu *filter_hash kernel/trace/ftrace.c:230:20: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:230:20: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:230:20: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3269:52: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3298:54: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3454:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3454:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3470:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3470:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:5818:30: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:5826:21: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:5828:17: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3577:48: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *filter_hash @@ kernel/trace/ftrace.c:3577:48: sparse: expected struct ftrace_hash *hash kernel/trace/ftrace.c:3577:48: sparse: got struct ftrace_hash [noderef] __rcu *filter_hash kernel/trace/ftrace.c:3578:49: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@ kernel/trace/ftrace.c:3578:49: sparse: expected struct ftrace_hash *hash kernel/trace/ftrace.c:3578:49: sparse: got struct ftrace_hash [noderef] __rcu *notrace_hash vim +3274 kernel/trace/ftrace.c 3261 3262 /* Return a new hash that has a union of all @ops->filter_hash entries */ 3263 static struct ftrace_hash *append_hashes(struct ftrace_ops *ops) 3264 { 3265 struct ftrace_hash *new_hash; 3266 struct ftrace_ops *subops; 3267 int ret; 3268 3269 new_hash = alloc_ftrace_hash(ops->func_hash->filter_hash->size_bits); 3270 if (!new_hash) 3271 return NULL; 3272 3273 list_for_each_entry(subops, &ops->subop_list, list) { > 3274 ret = append_hash(&new_hash, subops->func_hash->filter_hash); 3275 if (ret < 0) { 3276 free_ftrace_hash(new_hash); 3277 return NULL; 3278 } 3279 /* Nothing more to do if new_hash is empty */ 3280 if (ftrace_hash_empty(new_hash)) 3281 break; 3282 } 3283 return new_hash; 3284 } 3285 3286 /* Make @ops trace evenything except what all its subops do not trace */ 3287 static struct ftrace_hash *intersect_hashes(struct ftrace_ops *ops) 3288 { 3289 struct ftrace_hash *new_hash = NULL; 3290 struct ftrace_ops *subops; 3291 int size_bits; 3292 int ret; 3293 3294 list_for_each_entry(subops, &ops->subop_list, list) { 3295 struct ftrace_hash *next_hash; 3296 3297 if (!new_hash) { 3298 size_bits = subops->func_hash->notrace_hash->size_bits; 3299 new_hash = alloc_and_copy_ftrace_hash(size_bits, ops->func_hash->notrace_hash); 3300 if (!new_hash) 3301 return NULL; 3302 continue; 3303 } 3304 size_bits = new_hash->size_bits; 3305 next_hash = new_hash; 3306 new_hash = alloc_ftrace_hash(size_bits); > 3307 ret = intersect_hash(&new_hash, next_hash, subops->func_hash->notrace_hash); 3308 free_ftrace_hash(next_hash); 3309 if (ret < 0) { 3310 free_ftrace_hash(new_hash); 3311 return NULL; 3312 } 3313 /* Nothing more to do if new_hash is empty */ 3314 if (ftrace_hash_empty(new_hash)) 3315 break; 3316 } 3317 return new_hash; 3318 } 3319 3320 static bool ops_equal(struct ftrace_hash *A, struct ftrace_hash *B) 3321 { 3322 struct ftrace_func_entry *entry; 3323 int size; 3324 int i; 3325 3326 if (ftrace_hash_empty(A)) 3327 return ftrace_hash_empty(B); 3328 3329 if (ftrace_hash_empty(B)) 3330 return ftrace_hash_empty(A); 3331 3332 if (A->count != B->count) 3333 return false; 3334 3335 size = 1 << A->size_bits; 3336 for (i = 0; i < size; i++) { 3337 hlist_for_each_entry(entry, &A->buckets[i], hlist) { 3338 if (!__ftrace_lookup_ip(B, entry->ip)) 3339 return false; 3340 } 3341 } 3342 3343 return true; 3344 } 3345 3346 static int ftrace_hash_move_and_update_ops(struct ftrace_ops *ops, 3347 struct ftrace_hash **orig_hash, 3348 struct ftrace_hash *hash, 3349 int enable); 3350 3351 static int ftrace_update_ops(struct ftrace_ops *ops, struct ftrace_hash *filter_hash, 3352 struct ftrace_hash *notrace_hash) 3353 { 3354 int ret; 3355 > 3356 if (!ops_equal(filter_hash, ops->func_hash->filter_hash)) { > 3357 ret = ftrace_hash_move_and_update_ops(ops, &ops->func_hash->filter_hash, 3358 filter_hash, 1); 3359 if (ret < 0) 3360 return ret; 3361 } 3362 > 3363 if (!ops_equal(notrace_hash, ops->func_hash->notrace_hash)) { > 3364 ret = ftrace_hash_move_and_update_ops(ops, &ops->func_hash->notrace_hash, 3365 notrace_hash, 0); 3366 if (ret < 0) 3367 return ret; 3368 } 3369 3370 return 0; 3371 } 3372 3373 /** 3374 * ftrace_startup_subops - enable tracing for subops of an ops 3375 * @ops: Manager ops (used to pick all the functions of its subops) 3376 * @subops: A new ops to add to @ops 3377 * @command: Extra commands to use to enable tracing 3378 * 3379 * The @ops is a manager @ops that has the filter that includes all the functions 3380 * that its list of subops are tracing. Adding a new @subops will add the 3381 * functions of @subops to @ops. 3382 */ 3383 int ftrace_startup_subops(struct ftrace_ops *ops, struct ftrace_ops *subops, int command) 3384 { 3385 struct ftrace_hash *filter_hash; 3386 struct ftrace_hash *notrace_hash; 3387 struct ftrace_hash *save_filter_hash; 3388 struct ftrace_hash *save_notrace_hash; 3389 int size_bits; 3390 int ret; 3391 3392 if (unlikely(ftrace_disabled)) 3393 return -ENODEV; 3394 3395 ftrace_ops_init(ops); 3396 ftrace_ops_init(subops); 3397 3398 if (WARN_ON_ONCE(subops->flags & FTRACE_OPS_FL_ENABLED)) 3399 return -EBUSY; 3400 3401 /* Make everything canonical (Just in case!) */ 3402 if (!ops->func_hash->filter_hash) > 3403 ops->func_hash->filter_hash = EMPTY_HASH; 3404 if (!ops->func_hash->notrace_hash) > 3405 ops->func_hash->notrace_hash = EMPTY_HASH; 3406 if (!subops->func_hash->filter_hash) > 3407 subops->func_hash->filter_hash = EMPTY_HASH; 3408 if (!subops->func_hash->notrace_hash) 3409 subops->func_hash->notrace_hash = EMPTY_HASH; 3410 3411 /* For the first subops to ops just enable it normally */ 3412 if (list_empty(&ops->subop_list)) { 3413 /* Just use the subops hashes */ > 3414 filter_hash = copy_hash(subops->func_hash->filter_hash); > 3415 notrace_hash = copy_hash(subops->func_hash->notrace_hash); 3416 if (!filter_hash || !notrace_hash) { 3417 free_ftrace_hash(filter_hash); 3418 free_ftrace_hash(notrace_hash); 3419 return -ENOMEM; 3420 } 3421 > 3422 save_filter_hash = ops->func_hash->filter_hash; > 3423 save_notrace_hash = ops->func_hash->notrace_hash; 3424 > 3425 ops->func_hash->filter_hash = filter_hash; > 3426 ops->func_hash->notrace_hash = notrace_hash; 3427 list_add(&subops->list, &ops->subop_list); 3428 ret = ftrace_startup(ops, command); 3429 if (ret < 0) { 3430 list_del(&subops->list); > 3431 ops->func_hash->filter_hash = save_filter_hash; > 3432 ops->func_hash->notrace_hash = save_notrace_hash; 3433 free_ftrace_hash(filter_hash); 3434 free_ftrace_hash(notrace_hash); 3435 } else { 3436 free_ftrace_hash(save_filter_hash); 3437 free_ftrace_hash(save_notrace_hash); 3438 subops->flags |= FTRACE_OPS_FL_ENABLED; 3439 } 3440 return ret; 3441 } 3442 3443 /* 3444 * Here there's already something attached. Here are the rules: 3445 * o If either filter_hash is empty then the final stays empty 3446 * o Otherwise, the final is a superset of both hashes 3447 * o If either notrace_hash is empty then the final stays empty 3448 * o Otherwise, the final is an intersection between the hashes 3449 */ 3450 if (ftrace_hash_empty(ops->func_hash->filter_hash) || 3451 ftrace_hash_empty(subops->func_hash->filter_hash)) { 3452 filter_hash = EMPTY_HASH; 3453 } else { 3454 size_bits = max(ops->func_hash->filter_hash->size_bits, 3455 subops->func_hash->filter_hash->size_bits); 3456 filter_hash = alloc_and_copy_ftrace_hash(size_bits, ops->func_hash->filter_hash); 3457 if (!filter_hash) 3458 return -ENOMEM; 3459 ret = append_hash(&filter_hash, subops->func_hash->filter_hash); 3460 if (ret < 0) { 3461 free_ftrace_hash(filter_hash); 3462 return ret; 3463 } 3464 } 3465 3466 if (ftrace_hash_empty(ops->func_hash->notrace_hash) || 3467 ftrace_hash_empty(subops->func_hash->notrace_hash)) { 3468 notrace_hash = EMPTY_HASH; 3469 } else { 3470 size_bits = max(ops->func_hash->filter_hash->size_bits, 3471 subops->func_hash->filter_hash->size_bits); 3472 notrace_hash = alloc_ftrace_hash(size_bits); 3473 if (!notrace_hash) { 3474 free_ftrace_hash(filter_hash); 3475 return -ENOMEM; 3476 } 3477 3478 ret = intersect_hash(¬race_hash, ops->func_hash->filter_hash, 3479 subops->func_hash->filter_hash); 3480 if (ret < 0) { 3481 free_ftrace_hash(filter_hash); 3482 free_ftrace_hash(notrace_hash); 3483 return ret; 3484 } 3485 } 3486 3487 list_add(&subops->list, &ops->subop_list); 3488 3489 ret = ftrace_update_ops(ops, filter_hash, notrace_hash); 3490 free_ftrace_hash(filter_hash); 3491 free_ftrace_hash(notrace_hash); 3492 if (ret < 0) 3493 list_del(&subops->list); 3494 else 3495 subops->flags |= FTRACE_OPS_FL_ENABLED; 3496 3497 return ret; 3498 } 3499 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
