Hi Menglong, kernel test robot noticed the following build warnings:
[auto build test WARNING on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/Menglong-Dong/bpf-add-function-hash-table-for-tracing-multi/20250703-203035 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/20250703121521.1874196-4-dongml2%40chinatelecom.cn patch subject: [PATCH bpf-next v2 03/18] ftrace: factor out ftrace_direct_update from register_ftrace_direct config: x86_64-randconfig-123-20250704 (https://download.01.org/0day-ci/archive/20250705/202507051048.pedxvblg-...@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250705/202507051048.pedxvblg-...@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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202507051048.pedxvblg-...@intel.com/ sparse warnings: (new ones prefixed by >>) 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:1300:37: 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:1300:37: sparse: expected struct ftrace_hash [noderef] __rcu *filter_hash kernel/trace/ftrace.c:1300:37: sparse: got struct ftrace_hash * kernel/trace/ftrace.c:1301:38: 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:1301:38: sparse: expected struct ftrace_hash [noderef] __rcu *notrace_hash kernel/trace/ftrace.c:1301:38: sparse: got struct ftrace_hash * kernel/trace/ftrace.c:2100:54: 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:2100:54: sparse: expected struct ftrace_hash *old_hash kernel/trace/ftrace.c:2100:54: sparse: got struct ftrace_hash [noderef] __rcu *filter_hash kernel/trace/ftrace.c:1505:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/trace/ftrace.c:1505:9: sparse: struct ftrace_hash [noderef] __rcu * kernel/trace/ftrace.c:1505:9: sparse: struct ftrace_hash * kernel/trace/ftrace.c:1521:39: 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:1522:40: 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:1523:40: 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:1524:42: 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:1695:18: 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:1696:43: 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:1757:14: 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:1758:22: 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:2078:50: 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:2089:50: 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:2572:53: 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:2583:36: 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:3379:51: 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:3380:66: 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:3386:52: 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:3387:66: 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:3400:41: 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:3401:51: 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:3404:52: 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:3408:52: 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:3423:39: 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:3424:42: 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:3432:17: 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:3438:81: 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:3442:54: 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:3444:56: 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:3474:60: 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:3475:49: 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:3514:45: 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:3516:46: 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:3518:48: 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:3520:49: 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:3526:17: 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:3527:17: 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:3533:34: 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:3534:35: 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:3536:45: 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:3537:46: 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:3542:53: 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:3543:54: 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:3590:31: 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:3591:32: 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:3606:59: 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:3607:59: 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:3612:43: 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:3613:43: 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:3615:39: 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:3616:40: 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:3658:48: 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:3659:48: 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:3660:45: 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:3661:46: 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:3947:14: 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:3964:22: 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:4650:22: 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:4653:22: 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:5060:27: 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:5062:27: 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:5442:19: 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:5586:19: 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:5592:34: 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:5857:27: 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:5859:27: 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:5940:50: 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:5942:51: 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:6050:14: 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:6056:19: sparse: sparse: incorrect type in assignment >> (different address spaces) @@ expected struct ftrace_hash *free_hash @@ >> got struct ftrace_hash [noderef] __rcu *static [addressable] [assigned] >> [toplevel] direct_functions @@ kernel/trace/ftrace.c:6095:50: 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:6147:14: 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:6151:52: 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:6477:35: 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:6479:43: 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:6548:35: 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:6556:35: 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:6624:47: 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:6625:55: 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:7344:46: 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:7345:47: 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:7349:44: 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:7367:18: 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:7367:66: 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:7419:59: 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:7420:59: 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:7807:62: 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:7808:62: 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:7852:36: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/trace/ftrace.c:7852:36: sparse: struct ftrace_ops [noderef] __rcu * kernel/trace/ftrace.c:7852:36: sparse: struct ftrace_ops * kernel/trace/ftrace.c:8628:14: 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:8628:14: sparse: expected struct ftrace_hash *hash kernel/trace/ftrace.c:8628:14: sparse: got struct ftrace_hash [noderef] __rcu *filter_hash kernel/trace/ftrace.c:8677:14: 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:8677:14: sparse: expected struct ftrace_hash *hash kernel/trace/ftrace.c:8677:14: 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:3434:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3434:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3434:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3434:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3434:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3434:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3468:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3468:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3468:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3468:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3468:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3468:29: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:5974:30: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:5983:21: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:5985:17: sparse: sparse: dereference of noderef expression kernel/trace/ftrace.c:3739:48: 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:3739:48: sparse: expected struct ftrace_hash *hash kernel/trace/ftrace.c:3739:48: sparse: got struct ftrace_hash [noderef] __rcu *filter_hash kernel/trace/ftrace.c:3740:49: 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:3740:49: sparse: expected struct ftrace_hash *hash kernel/trace/ftrace.c:3740:49: sparse: got struct ftrace_hash [noderef] __rcu *notrace_hash vim +6056 kernel/trace/ftrace.c 6015 6016 /** 6017 * register_ftrace_direct - Call a custom trampoline directly 6018 * for multiple functions registered in @ops 6019 * @ops: The address of the struct ftrace_ops object 6020 * @addr: The address of the trampoline to call at @ops functions 6021 * 6022 * This is used to connect a direct calls to @addr from the nop locations 6023 * of the functions registered in @ops (with by ftrace_set_filter_ip 6024 * function). 6025 * 6026 * The location that it calls (@addr) must be able to handle a direct call, 6027 * and save the parameters of the function being traced, and restore them 6028 * (or inject new ones if needed), before returning. 6029 * 6030 * Returns: 6031 * 0 on success 6032 * -EINVAL - The @ops object was already registered with this call or 6033 * when there are no functions in @ops object. 6034 * -EBUSY - Another direct function is already attached (there can be only one) 6035 * -ENODEV - @ip does not point to a ftrace nop location (or not supported) 6036 * -ENOMEM - There was an allocation failure. 6037 */ 6038 int register_ftrace_direct(struct ftrace_ops *ops, unsigned long addr) 6039 { 6040 struct ftrace_hash *hash, *free_hash = NULL; 6041 int err = -EBUSY; 6042 6043 if (ops->func || ops->trampoline) 6044 return -EINVAL; 6045 if (!(ops->flags & FTRACE_OPS_FL_INITIALIZED)) 6046 return -EINVAL; 6047 if (ops->flags & FTRACE_OPS_FL_ENABLED) 6048 return -EINVAL; 6049 6050 hash = ops->func_hash->filter_hash; 6051 if (ftrace_hash_empty(hash)) 6052 return -EINVAL; 6053 6054 mutex_lock(&direct_mutex); 6055 > 6056 free_hash = direct_functions; 6057 err = ftrace_direct_update(hash, addr); 6058 if (err) 6059 goto out_unlock; 6060 6061 ops->func = call_direct_funcs; 6062 ops->flags = MULTI_FLAGS; 6063 ops->trampoline = FTRACE_REGS_ADDR; 6064 ops->direct_call = addr; 6065 6066 err = register_ftrace_function_nolock(ops); 6067 if (free_hash && free_hash != EMPTY_HASH) 6068 call_rcu_tasks(&free_hash->rcu, register_ftrace_direct_cb); 6069 6070 out_unlock: 6071 mutex_unlock(&direct_mutex); 6072 6073 return err; 6074 } 6075 EXPORT_SYMBOL_GPL(register_ftrace_direct); 6076 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
