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Message-ID: <202601131659.v7wM186x-lkp@intel.com>
Date: Tue, 13 Jan 2026 16:20:11 +0800
From: kernel test robot <lkp@...el.com>
To: Andy Chiu <andybnac@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
"Steven Rostedt (Google)" <rostedt@...dmis.org>
Subject: kernel/trace/ftrace.c:3537:67: 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: b71e635feefc852405b14620a7fc58c4c80c0f73
commit: 04a80a34c22f4db245f553d8696d1318d1c00ece ftrace: Properly merge notrace hashes
date: 9 months ago
config: arm64-randconfig-r123-20260113 (https://download.01.org/0day-ci/archive/20260113/202601131659.v7wM186x-lkp@intel.com/config)
compiler: clang version 16.0.6 (https://github.com/llvm/llvm-project 7cbf1a2591520c2491aa35339f227775f4d3adf6)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260113/202601131659.v7wM186x-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/202601131659.v7wM186x-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
kernel/trace/ftrace.c:1522:42: sparse: 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:1693:18: sparse: expected struct ftrace_ops *ops
kernel/trace/ftrace.c:1693:18: sparse: 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:1694:43: sparse: expected struct ftrace_ops *ops
kernel/trace/ftrace.c:1694:43: sparse: 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:1755:14: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:1755:14: sparse: 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:1756:22: sparse: expected struct ftrace_hash *notrace_hash
kernel/trace/ftrace.c:1756:22: sparse: 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:2076:50: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:2076:50: sparse: 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:2087:50: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:2087:50: sparse: 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:2570:53: sparse: expected struct ftrace_hash [noderef] __rcu *static [toplevel] direct_functions
kernel/trace/ftrace.c:2570:53: sparse: 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:2581:36: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:2581:36: sparse: 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:3312:63: sparse: expected struct ftrace_hash *new_hash
kernel/trace/ftrace.c:3312:63: sparse: 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:3338:88: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:3338:88: sparse: 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:3346:77: sparse: expected struct ftrace_hash *new_hash2
kernel/trace/ftrace.c:3346:77: sparse: 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:3413:51: sparse: expected struct ftrace_hash *B
kernel/trace/ftrace.c:3413:51: sparse: 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:3414:66: sparse: expected struct ftrace_hash **orig_hash
kernel/trace/ftrace.c:3414:66: sparse: 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:3420:52: sparse: expected struct ftrace_hash *B
kernel/trace/ftrace.c:3420:52: sparse: 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:3421:66: sparse: expected struct ftrace_hash **orig_hash
kernel/trace/ftrace.c:3421:66: sparse: 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:3460:45: sparse: expected struct ftrace_hash [noderef] __rcu *filter_hash
kernel/trace/ftrace.c:3460:45: sparse: 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:3462:46: sparse: expected struct ftrace_hash [noderef] __rcu *notrace_hash
kernel/trace/ftrace.c:3462:46: sparse: 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:3464:48: sparse: expected struct ftrace_hash [noderef] __rcu *filter_hash
kernel/trace/ftrace.c:3464:48: sparse: 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:3466:49: sparse: expected struct ftrace_hash [noderef] __rcu *notrace_hash
kernel/trace/ftrace.c:3466:49: sparse: 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:3471:58: sparse: expected struct ftrace_hash *src
kernel/trace/ftrace.c:3471:58: sparse: 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:3472:59: sparse: expected struct ftrace_hash *src
kernel/trace/ftrace.c:3472:59: sparse: 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:3479:34: sparse: expected struct ftrace_hash *save_filter_hash
kernel/trace/ftrace.c:3479:34: sparse: 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:3480:35: sparse: expected struct ftrace_hash *save_notrace_hash
kernel/trace/ftrace.c:3480:35: sparse: 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:3482:45: sparse: expected struct ftrace_hash [noderef] __rcu *filter_hash
kernel/trace/ftrace.c:3482:45: sparse: 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:3483:46: sparse: expected struct ftrace_hash [noderef] __rcu *notrace_hash
kernel/trace/ftrace.c:3483:46: sparse: 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:3488:53: sparse: expected struct ftrace_hash [noderef] __rcu *filter_hash
kernel/trace/ftrace.c:3488:53: sparse: 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:3489:54: sparse: expected struct ftrace_hash [noderef] __rcu *notrace_hash
kernel/trace/ftrace.c:3489:54: sparse: 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:3508:45: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:3508:45: sparse: 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:3509:48: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:3509:48: sparse: 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:3514:83: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:3514:83: sparse: 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:3517:66: sparse: expected struct ftrace_hash *new_hash
kernel/trace/ftrace.c:3517:66: sparse: 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:3525:45: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:3525:45: sparse: 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:3526:48: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:3526:48: sparse: 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:3537:67: sparse: expected struct ftrace_hash *new_hash1
kernel/trace/ftrace.c:3537:67: sparse: 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:3538:55: sparse: expected struct ftrace_hash *new_hash2
kernel/trace/ftrace.c:3538:55: sparse: 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:3597:48: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:3597:48: sparse: 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:3598:48: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:3598:48: sparse: 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:3599:45: sparse: expected struct ftrace_hash [noderef] __rcu *filter_hash
kernel/trace/ftrace.c:3599:45: sparse: 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:3600:46: sparse: expected struct ftrace_hash [noderef] __rcu *notrace_hash
kernel/trace/ftrace.c:3600:46: sparse: 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:3654:27: sparse: expected struct ftrace_hash **orig_hash
kernel/trace/ftrace.c:3654:27: sparse: 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:3657:27: sparse: expected struct ftrace_hash **orig_hash
kernel/trace/ftrace.c:3657:27: sparse: 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:3897:14: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:3897:14: sparse: 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:3914:22: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:3914:22: sparse: 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:4562:22: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:4562:22: sparse: 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:4565:22: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:4565:22: sparse: got struct ftrace_hash [noderef] __rcu *filter_hash
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:5349:19: sparse: expected struct ftrace_hash **orig_hash
kernel/trace/ftrace.c:5349:19: sparse: 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:5493:19: sparse: expected struct ftrace_hash **orig_hash
kernel/trace/ftrace.c:5493:19: sparse: 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:5499:34: sparse: expected struct ftrace_hash [noderef] __rcu *filter_hash
kernel/trace/ftrace.c:5499:34: sparse: 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:5764:27: sparse: expected struct ftrace_hash **orig_hash
kernel/trace/ftrace.c:5764:27: sparse: 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:5766:27: sparse: expected struct ftrace_hash **orig_hash
kernel/trace/ftrace.c:5766:27: sparse: 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:5847:50: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:5847:50: sparse: 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:5849:51: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:5849:51: sparse: 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:5898:14: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:5898:14: sparse: 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:5947:19: sparse: expected struct ftrace_hash *free_hash
kernel/trace/ftrace.c:5947:19: sparse: 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:5989:50: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:5989:50: sparse: 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:6041:14: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:6041:14: sparse: 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:6045:52: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:6045:52: sparse: 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:6371:35: sparse: expected struct ftrace_hash [noderef] __rcu *extern [addressable] [toplevel] ftrace_graph_hash
kernel/trace/ftrace.c:6371:35: sparse: 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:6373:43: sparse: expected struct ftrace_hash [noderef] __rcu *extern [addressable] [toplevel] ftrace_graph_notrace_hash
kernel/trace/ftrace.c:6373:43: sparse: 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:6442:35: sparse: expected struct ftrace_hash **orig_hash
kernel/trace/ftrace.c:6442:35: sparse: 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:6450:35: sparse: expected struct ftrace_hash **orig_hash
kernel/trace/ftrace.c:6450:35: sparse: 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:6518:47: sparse: expected struct ftrace_hash [noderef] __rcu *[addressable] [toplevel] ftrace_graph_hash
kernel/trace/ftrace.c:6518:47: sparse: 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:6519:55: sparse: expected struct ftrace_hash [noderef] __rcu *[addressable] [toplevel] ftrace_graph_notrace_hash
kernel/trace/ftrace.c:6519:55: sparse: 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:7238:46: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:7238:46: sparse: 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:7239:47: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:7239:47: sparse: 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:7243:44: sparse: expected struct ftrace_hash *hash
kernel/trace/ftrace.c:7243:44: sparse: 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:7694:62: sparse: expected struct ftrace_hash *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
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