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Message-ID: <202512111316.Y5IR0Scl-lkp@intel.com>
Date: Thu, 11 Dec 2025 13:39:46 +0800
From: kernel test robot <lkp@...el.com>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: kernel/trace/ftrace.c:3402:52: sparse: sparse: incorrect type in
argument 2 (different address spaces)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: d358e5254674b70f34c847715ca509e46eb81e6f
commit: 0ae6b8ce200da00a78f33c055fdc4fe3225d22ec ftrace: Fix accounting of subop hashes
date: 8 months ago
config: x86_64-randconfig-121-20251211 (https://download.01.org/0day-ci/archive/20251211/202512111316.Y5IR0Scl-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/20251211/202512111316.Y5IR0Scl-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/202512111316.Y5IR0Scl-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:3377:51: 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:3378:66: 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:3384:52: 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:3385:66: 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:3398:41: 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:3399:51: 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:3402:52: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct ftrace_hash *notrace_hash @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@
kernel/trace/ftrace.c:3406:52: 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:3421:39: 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:3422:42: 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:3430:17: 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:3436:81: 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:3440:54: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct ftrace_hash *notrace_hash @@ got struct ftrace_hash [noderef] __rcu *notrace_hash @@
kernel/trace/ftrace.c:3442:56: 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:3471:60: 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:3472:49: 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:3510:45: 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:3512:46: 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:3514:48: 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:3516:49: 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:3522:17: 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:3523:17: 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:3529:34: 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:3530:35: 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:3532:45: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *filter_hash @@ got struct ftrace_hash *[addressable] filter_hash @@
>> kernel/trace/ftrace.c:3533:46: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *notrace_hash @@ got struct ftrace_hash *[addressable] notrace_hash @@
kernel/trace/ftrace.c:3538:53: 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:3539:54: 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:3586:31: 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:3587:32: 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:3602:59: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *[addressable] filter_hash @@
>> kernel/trace/ftrace.c:3603:59: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct ftrace_hash *hash @@ got struct ftrace_hash [noderef] __rcu *[addressable] notrace_hash @@
>> kernel/trace/ftrace.c:3608:39: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *[addressable] filter_hash @@ got struct ftrace_hash * @@
>> kernel/trace/ftrace.c:3609:40: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ftrace_hash [noderef] __rcu *[addressable] notrace_hash @@ got struct ftrace_hash * @@
kernel/trace/ftrace.c:3651:48: 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:3652:48: 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:3653:45: 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:3654:46: 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:3937:14: 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:3954:22: 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:4602:22: 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:4605:22: 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:5012:27: 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:5014:27: 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:5389:19: 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:5533:19: 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:5539:34: 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:5804:27: 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:5806:27: 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:5887:50: 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:5889:51: 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:5938:14: 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:5987:19: 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:6029:50: 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:6081:14: 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:6085:52: 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:6411:35: 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:6413:43: 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:6482:35: 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:6490:35: 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:6558:47: 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:6559:55: 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:7278:46: 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:7279:47: 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:7283:44: 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:7301:18: 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:7301:66: 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:7353:59: 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:7354:59: 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:7734:62: 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:7735:62: 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:7779:36: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/trace/ftrace.c:7779:36: sparse: struct ftrace_ops [noderef] __rcu *
kernel/trace/ftrace.c:7779:36: sparse: struct ftrace_ops *
kernel/trace/ftrace.c:8555:14: 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:8555:14: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:8555:14: sparse: got struct ftrace_hash [noderef] __rcu *filter_hash
kernel/trace/ftrace.c:8604:14: 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:8604:14: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:8604:14: 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:3432:29: sparse: sparse: dereference of noderef expression
kernel/trace/ftrace.c:3432:29: sparse: sparse: dereference of noderef expression
kernel/trace/ftrace.c:3432:29: sparse: sparse: dereference of noderef expression
kernel/trace/ftrace.c:3432:29: sparse: sparse: dereference of noderef expression
kernel/trace/ftrace.c:3432:29: sparse: sparse: dereference of noderef expression
kernel/trace/ftrace.c:3432:29: sparse: sparse: dereference of noderef expression
kernel/trace/ftrace.c:3465:29: sparse: sparse: dereference of noderef expression
kernel/trace/ftrace.c:3465:29: sparse: sparse: dereference of noderef expression
kernel/trace/ftrace.c:3465:29: sparse: sparse: dereference of noderef expression
kernel/trace/ftrace.c:3465:29: sparse: sparse: dereference of noderef expression
kernel/trace/ftrace.c:3465:29: sparse: sparse: dereference of noderef expression
kernel/trace/ftrace.c:3465:29: sparse: sparse: dereference of noderef expression
kernel/trace/ftrace.c:5956:30: sparse: sparse: dereference of noderef expression
kernel/trace/ftrace.c:5964:21: sparse: sparse: dereference of noderef expression
kernel/trace/ftrace.c:5966:17: sparse: sparse: dereference of noderef expression
kernel/trace/ftrace.c:3729:48: 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:3729:48: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:3729:48: sparse: got struct ftrace_hash [noderef] __rcu *filter_hash
kernel/trace/ftrace.c:3730:49: 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:3730:49: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:3730:49: sparse: got struct ftrace_hash [noderef] __rcu *notrace_hash
vim +3402 kernel/trace/ftrace.c
3393
3394 static int add_first_hash(struct ftrace_hash **filter_hash, struct ftrace_hash **notrace_hash,
3395 struct ftrace_ops_hash *func_hash)
3396 {
3397 /* If the filter hash is not empty, simply remove the nohash from it */
3398 if (!ftrace_hash_empty(func_hash->filter_hash)) {
3399 *filter_hash = copy_hash(func_hash->filter_hash);
3400 if (!*filter_hash)
3401 return -ENOMEM;
> 3402 remove_hash(*filter_hash, func_hash->notrace_hash);
3403 *notrace_hash = EMPTY_HASH;
3404
3405 } else {
3406 *notrace_hash = copy_hash(func_hash->notrace_hash);
3407 if (!*notrace_hash)
3408 return -ENOMEM;
3409 *filter_hash = EMPTY_HASH;
3410 }
3411 return 0;
3412 }
3413
3414 static int add_next_hash(struct ftrace_hash **filter_hash, struct ftrace_hash **notrace_hash,
3415 struct ftrace_ops_hash *ops_hash, struct ftrace_ops_hash *subops_hash)
3416 {
3417 int size_bits;
3418 int ret;
3419
3420 /* If the subops trace all functions so must the main ops */
3421 if (ftrace_hash_empty(ops_hash->filter_hash) ||
3422 ftrace_hash_empty(subops_hash->filter_hash)) {
3423 *filter_hash = EMPTY_HASH;
3424 } else {
3425 /*
3426 * The main ops filter hash is not empty, so its
3427 * notrace_hash had better be, as the notrace hash
3428 * is only used for empty main filter hashes.
3429 */
3430 WARN_ON_ONCE(!ftrace_hash_empty(ops_hash->notrace_hash));
3431
3432 size_bits = max(ops_hash->filter_hash->size_bits,
3433 subops_hash->filter_hash->size_bits);
3434
3435 /* Copy the subops hash */
3436 *filter_hash = alloc_and_copy_ftrace_hash(size_bits, subops_hash->filter_hash);
3437 if (!filter_hash)
3438 return -ENOMEM;
3439 /* Remove any notrace functions from the copy */
3440 remove_hash(*filter_hash, subops_hash->notrace_hash);
3441
3442 ret = append_hash(filter_hash, ops_hash->filter_hash,
3443 size_bits);
3444 if (ret < 0) {
3445 free_ftrace_hash(*filter_hash);
3446 return ret;
3447 }
3448 }
3449
3450 /*
3451 * Only process notrace hashes if the main filter hash is empty
3452 * (tracing all functions), otherwise the filter hash will just
3453 * remove the notrace hash functions, and the notrace hash is
3454 * not needed.
3455 */
3456 if (ftrace_hash_empty(*filter_hash)) {
3457 /*
3458 * Intersect the notrace functions. That is, if two
3459 * subops are not tracing a set of functions, the
3460 * main ops will only not trace the functions that are
3461 * in both subops, but has to trace the functions that
3462 * are only notrace in one of the subops, for the other
3463 * subops to be able to trace them.
3464 */
3465 size_bits = max(ops_hash->notrace_hash->size_bits,
3466 subops_hash->notrace_hash->size_bits);
3467 *notrace_hash = alloc_ftrace_hash(size_bits);
3468 if (!*notrace_hash)
3469 return -ENOMEM;
3470
3471 ret = intersect_hash(notrace_hash, ops_hash->notrace_hash,
3472 subops_hash->notrace_hash);
3473 if (ret < 0) {
3474 free_ftrace_hash(*notrace_hash);
3475 return ret;
3476 }
3477 }
3478 return 0;
3479 }
3480
3481 /**
3482 * ftrace_startup_subops - enable tracing for subops of an ops
3483 * @ops: Manager ops (used to pick all the functions of its subops)
3484 * @subops: A new ops to add to @ops
3485 * @command: Extra commands to use to enable tracing
3486 *
3487 * The @ops is a manager @ops that has the filter that includes all the functions
3488 * that its list of subops are tracing. Adding a new @subops will add the
3489 * functions of @subops to @ops.
3490 */
3491 int ftrace_startup_subops(struct ftrace_ops *ops, struct ftrace_ops *subops, int command)
3492 {
3493 struct ftrace_hash *filter_hash;
3494 struct ftrace_hash *notrace_hash;
3495 struct ftrace_hash *save_filter_hash;
3496 struct ftrace_hash *save_notrace_hash;
3497 int ret;
3498
3499 if (unlikely(ftrace_disabled))
3500 return -ENODEV;
3501
3502 ftrace_ops_init(ops);
3503 ftrace_ops_init(subops);
3504
3505 if (WARN_ON_ONCE(subops->flags & FTRACE_OPS_FL_ENABLED))
3506 return -EBUSY;
3507
3508 /* Make everything canonical (Just in case!) */
3509 if (!ops->func_hash->filter_hash)
3510 ops->func_hash->filter_hash = EMPTY_HASH;
3511 if (!ops->func_hash->notrace_hash)
3512 ops->func_hash->notrace_hash = EMPTY_HASH;
3513 if (!subops->func_hash->filter_hash)
3514 subops->func_hash->filter_hash = EMPTY_HASH;
3515 if (!subops->func_hash->notrace_hash)
3516 subops->func_hash->notrace_hash = EMPTY_HASH;
3517
3518 /* For the first subops to ops just enable it normally */
3519 if (list_empty(&ops->subop_list)) {
3520
3521 /* The ops was empty, should have empty hashes */
3522 WARN_ON_ONCE(!ftrace_hash_empty(ops->func_hash->filter_hash));
3523 WARN_ON_ONCE(!ftrace_hash_empty(ops->func_hash->notrace_hash));
3524
3525 ret = add_first_hash(&filter_hash, ¬race_hash, subops->func_hash);
3526 if (ret < 0)
3527 return ret;
3528
3529 save_filter_hash = ops->func_hash->filter_hash;
3530 save_notrace_hash = ops->func_hash->notrace_hash;
3531
> 3532 ops->func_hash->filter_hash = filter_hash;
> 3533 ops->func_hash->notrace_hash = notrace_hash;
3534 list_add(&subops->list, &ops->subop_list);
3535 ret = ftrace_startup(ops, command);
3536 if (ret < 0) {
3537 list_del(&subops->list);
3538 ops->func_hash->filter_hash = save_filter_hash;
3539 ops->func_hash->notrace_hash = save_notrace_hash;
3540 free_ftrace_hash(filter_hash);
3541 free_ftrace_hash(notrace_hash);
3542 } else {
3543 free_ftrace_hash(save_filter_hash);
3544 free_ftrace_hash(save_notrace_hash);
3545 subops->flags |= FTRACE_OPS_FL_ENABLED | FTRACE_OPS_FL_SUBOP;
3546 subops->managed = ops;
3547 }
3548 return ret;
3549 }
3550
3551 /*
3552 * Here there's already something attached. Here are the rules:
3553 * If the new subops and main ops filter hashes are not empty:
3554 * o Make a copy of the subops filter hash
3555 * o Remove all functions in the nohash from it.
3556 * o Add in the main hash filter functions
3557 * o Remove any of these functions from the main notrace hash
3558 */
3559
3560 ret = add_next_hash(&filter_hash, ¬race_hash, ops->func_hash, subops->func_hash);
3561 if (ret < 0)
3562 return ret;
3563
3564 list_add(&subops->list, &ops->subop_list);
3565
3566 ret = ftrace_update_ops(ops, filter_hash, notrace_hash);
3567 free_ftrace_hash(filter_hash);
3568 free_ftrace_hash(notrace_hash);
3569 if (ret < 0) {
3570 list_del(&subops->list);
3571 } else {
3572 subops->flags |= FTRACE_OPS_FL_ENABLED | FTRACE_OPS_FL_SUBOP;
3573 subops->managed = ops;
3574 }
3575 return ret;
3576 }
3577
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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