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d335e3c6db51 with local (Exim 4.98.2) (envelope-from ) id 1vTXjB-0000000047f-0ivk; Thu, 11 Dec 2025 03:52:29 +0000 Date: Thu, 11 Dec 2025 11:51:43 +0800 From: kernel test robot To: Andy Chiu Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, "Steven Rostedt (Google)" Subject: kernel/trace/ftrace.c:3537:67: sparse: sparse: incorrect type in argument 2 (different address spaces) Message-ID: <202512111135.LboIqFxs-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8c8081cc599fcafa25371d50959c17e154f9fd08 commit: 04a80a34c22f4db245f553d8696d1318d1c00ece ftrace: Properly merge notrace hashes date: 8 months ago config: x86_64-randconfig-121-20251211 (https://download.01.org/0day-ci/archive/20251211/202512111135.LboIqFxs-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251211/202512111135.LboIqFxs-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202512111135.LboIqFxs-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/trace/ftrace.c:233:49: 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:233:49: sparse: expected struct ftrace_ops *ops kernel/trace/ftrace.c:233:49: sparse: got struct ftrace_ops [noderef] __rcu *[addressable] [toplevel] ftrace_ops_list kernel/trace/ftrace.c:318:16: 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:318:16: sparse: expected struct ftrace_ops **p kernel/trace/ftrace.c:318:16: sparse: got struct ftrace_ops [noderef] __rcu **list kernel/trace/ftrace.c:318:50: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_ops **p @@ got struct ftrace_ops [noderef] __rcu ** @@ kernel/trace/ftrace.c:318:50: sparse: expected struct ftrace_ops **p kernel/trace/ftrace.c:318:50: sparse: got struct ftrace_ops [noderef] __rcu ** kernel/trace/ftrace.c:325:12: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_ops * @@ got struct ftrace_ops [noderef] __rcu *next @@ kernel/trace/ftrace.c:325:12: sparse: expected struct ftrace_ops * kernel/trace/ftrace.c:325:12: sparse: got struct ftrace_ops [noderef] __rcu *next kernel/trace/ftrace.c:1072:43: 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:1072:43: sparse: expected struct ftrace_hash [noderef] __rcu *notrace_hash kernel/trace/ftrace.c:1072:43: sparse: got struct ftrace_hash * kernel/trace/ftrace.c:1073:43: 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:1073:43: sparse: expected struct ftrace_hash [noderef] __rcu *filter_hash kernel/trace/ftrace.c:1073:43: sparse: got struct ftrace_hash * kernel/trace/ftrace.c:1298:40: 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:1298:40: sparse: expected struct ftrace_hash *hash kernel/trace/ftrace.c:1298:40: sparse: got struct ftrace_hash [noderef] __rcu *filter_hash kernel/trace/ftrace.c:1299:40: 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:1299:40: sparse: expected struct ftrace_hash *hash kernel/trace/ftrace.c:1299:40: sparse: got struct ftrace_hash [noderef] __rcu *notrace_hash kernel/trace/ftrace.c:2098:54: 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:2098:54: sparse: expected struct ftrace_hash *old_hash kernel/trace/ftrace.c:2098:54: sparse: got struct ftrace_hash [noderef] __rcu *filter_hash kernel/trace/ftrace.c:1503:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/trace/ftrace.c:1503:9: sparse: struct ftrace_hash [noderef] __rcu * kernel/trace/ftrace.c:1503:9: sparse: struct ftrace_hash * kernel/trace/ftrace.c:1519:39: 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:1520:40: 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:1521:40: 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:1522:42: 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:1693:18: 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:1694:43: 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:1755:14: 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:1756:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash *notrace_hash @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@ kernel/trace/ftrace.c:2076:50: 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:2087:50: 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:2570:53: 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:2581:36: 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:3312:63: 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:3338:88: 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:3346:77: 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:3413:51: 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:3414:66: 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:3420:52: 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:3421:66: 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:3460:45: 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:3462:46: 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:3464:48: 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:3466:49: 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:3471:58: 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:3472:59: 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:3479:34: 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:3480:35: 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:3482:45: 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:3483:46: 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:3488:53: 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:3489:54: 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:3508:45: 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:3509:48: 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:3514:83: 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:3517:66: 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:3525:45: 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:3526:48: 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:3537:67: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct ftrace_hash *new_hash1 @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@ kernel/trace/ftrace.c:3538:55: 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:3597:48: 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:3598:48: 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:3599:45: 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:3600:46: 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:3654:27: 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:3657:27: 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:3897:14: 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:3914:22: 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:4562:22: 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:4565:22: 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:4972:27: 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:4974:27: 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:5349:19: 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:5493:19: 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:5499:34: 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:5764:27: 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:5766:27: 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:5847:50: 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:5849:51: 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:5898:14: 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:5947:19: 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:5989:50: 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:6041:14: 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:6045:52: 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:6371:35: 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:6373:43: 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:6442:35: 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:6450:35: 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:6518:47: 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:6519:55: 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:7238:46: 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:7239:47: 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:7243:44: 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:7261:18: 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:7261:66: 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:7313:59: 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:7314:59: 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:7694:62: 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:7695:62: 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:7739:36: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/trace/ftrace.c:7739:36: sparse: struct ftrace_ops [noderef] __rcu * kernel/trace/ftrace.c:7739:36: sparse: struct ftrace_ops * kernel/trace/ftrace.c:8515:14: 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:8515:14: sparse: expected struct ftrace_hash *hash kernel/trace/ftrace.c:8515:14: sparse: got struct ftrace_hash [noderef] __rcu *filter_hash kernel/trace/ftrace.c:8564:14: 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:8564:14: sparse: expected struct ftrace_hash *hash kernel/trace/ftrace.c:8564:14: sparse: got struct ftrace_hash [noderef] __rcu *filter_hash kernel/trace/ftrace.c:231:20: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:231:20: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:231:20: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3307:43: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3337:54: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3512:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3512:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3512:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3512:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3512:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3512:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3529:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3529:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3529:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3529:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3529:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3529:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:5916:30: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:5924:21: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:5926:17: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3689:48: 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:3689:48: sparse: expected struct ftrace_hash *hash kernel/trace/ftrace.c:3689:48: sparse: got struct ftrace_hash [noderef] __rcu *filter_hash kernel/trace/ftrace.c:3690:49: 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:3690:49: sparse: expected struct ftrace_hash *hash kernel/trace/ftrace.c:3690:49: sparse: got struct ftrace_hash [noderef] __rcu *notrace_hash vim +3537 kernel/trace/ftrace.c 3429 3430 /** 3431 * ftrace_startup_subops - enable tracing for subops of an ops 3432 * @ops: Manager ops (used to pick all the functions of its subops) 3433 * @subops: A new ops to add to @ops 3434 * @command: Extra commands to use to enable tracing 3435 * 3436 * The @ops is a manager @ops that has the filter that includes all the functions 3437 * that its list of subops are tracing. Adding a new @subops will add the 3438 * functions of @subops to @ops. 3439 */ 3440 int ftrace_startup_subops(struct ftrace_ops *ops, struct ftrace_ops *subops, int command) 3441 { 3442 struct ftrace_hash *filter_hash; 3443 struct ftrace_hash *notrace_hash; 3444 struct ftrace_hash *save_filter_hash; 3445 struct ftrace_hash *save_notrace_hash; 3446 int size_bits; 3447 int ret; 3448 3449 if (unlikely(ftrace_disabled)) 3450 return -ENODEV; 3451 3452 ftrace_ops_init(ops); 3453 ftrace_ops_init(subops); 3454 3455 if (WARN_ON_ONCE(subops->flags & FTRACE_OPS_FL_ENABLED)) 3456 return -EBUSY; 3457 3458 /* Make everything canonical (Just in case!) */ 3459 if (!ops->func_hash->filter_hash) 3460 ops->func_hash->filter_hash = EMPTY_HASH; 3461 if (!ops->func_hash->notrace_hash) 3462 ops->func_hash->notrace_hash = EMPTY_HASH; 3463 if (!subops->func_hash->filter_hash) 3464 subops->func_hash->filter_hash = EMPTY_HASH; 3465 if (!subops->func_hash->notrace_hash) 3466 subops->func_hash->notrace_hash = EMPTY_HASH; 3467 3468 /* For the first subops to ops just enable it normally */ 3469 if (list_empty(&ops->subop_list)) { 3470 /* Just use the subops hashes */ 3471 filter_hash = copy_hash(subops->func_hash->filter_hash); 3472 notrace_hash = copy_hash(subops->func_hash->notrace_hash); 3473 if (!filter_hash || !notrace_hash) { 3474 free_ftrace_hash(filter_hash); 3475 free_ftrace_hash(notrace_hash); 3476 return -ENOMEM; 3477 } 3478 3479 save_filter_hash = ops->func_hash->filter_hash; 3480 save_notrace_hash = ops->func_hash->notrace_hash; 3481 3482 ops->func_hash->filter_hash = filter_hash; 3483 ops->func_hash->notrace_hash = notrace_hash; 3484 list_add(&subops->list, &ops->subop_list); 3485 ret = ftrace_startup(ops, command); 3486 if (ret < 0) { 3487 list_del(&subops->list); 3488 ops->func_hash->filter_hash = save_filter_hash; 3489 ops->func_hash->notrace_hash = save_notrace_hash; 3490 free_ftrace_hash(filter_hash); 3491 free_ftrace_hash(notrace_hash); 3492 } else { 3493 free_ftrace_hash(save_filter_hash); 3494 free_ftrace_hash(save_notrace_hash); 3495 subops->flags |= FTRACE_OPS_FL_ENABLED | FTRACE_OPS_FL_SUBOP; 3496 subops->managed = ops; 3497 } 3498 return ret; 3499 } 3500 3501 /* 3502 * Here there's already something attached. Here are the rules: 3503 * o If either filter_hash is empty then the final stays empty 3504 * o Otherwise, the final is a superset of both hashes 3505 * o If either notrace_hash is empty then the final stays empty 3506 * o Otherwise, the final is an intersection between the hashes 3507 */ 3508 if (ftrace_hash_empty(ops->func_hash->filter_hash) || 3509 ftrace_hash_empty(subops->func_hash->filter_hash)) { 3510 filter_hash = EMPTY_HASH; 3511 } else { 3512 size_bits = max(ops->func_hash->filter_hash->size_bits, 3513 subops->func_hash->filter_hash->size_bits); 3514 filter_hash = alloc_and_copy_ftrace_hash(size_bits, ops->func_hash->filter_hash); 3515 if (!filter_hash) 3516 return -ENOMEM; 3517 ret = append_hash(&filter_hash, subops->func_hash->filter_hash, 3518 size_bits); 3519 if (ret < 0) { 3520 free_ftrace_hash(filter_hash); 3521 return ret; 3522 } 3523 } 3524 3525 if (ftrace_hash_empty(ops->func_hash->notrace_hash) || 3526 ftrace_hash_empty(subops->func_hash->notrace_hash)) { 3527 notrace_hash = EMPTY_HASH; 3528 } else { 3529 size_bits = max(ops->func_hash->notrace_hash->size_bits, 3530 subops->func_hash->notrace_hash->size_bits); 3531 notrace_hash = alloc_ftrace_hash(size_bits); 3532 if (!notrace_hash) { 3533 free_ftrace_hash(filter_hash); 3534 return -ENOMEM; 3535 } 3536 > 3537 ret = intersect_hash(¬race_hash, ops->func_hash->notrace_hash, 3538 subops->func_hash->notrace_hash); 3539 if (ret < 0) { 3540 free_ftrace_hash(filter_hash); 3541 free_ftrace_hash(notrace_hash); 3542 return ret; 3543 } 3544 } 3545 3546 list_add(&subops->list, &ops->subop_list); 3547 3548 ret = ftrace_update_ops(ops, filter_hash, notrace_hash); 3549 free_ftrace_hash(filter_hash); 3550 free_ftrace_hash(notrace_hash); 3551 if (ret < 0) { 3552 list_del(&subops->list); 3553 } else { 3554 subops->flags |= FTRACE_OPS_FL_ENABLED | FTRACE_OPS_FL_SUBOP; 3555 subops->managed = ops; 3556 } 3557 return ret; 3558 } 3559 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki