From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: [rcu:dev.2021.04.06a 65/73] include/linux/rcutiny.h:105:44: sparse: sparse: context imbalance in 'send_sigqueue' - wrong count at exit
Date: Thu, 08 Apr 2021 08:50:24 +0800 [thread overview]
Message-ID: <202104080816.bUB2SLnM-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 29541 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: "Paul E. McKenney" <paulmck@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2021.04.06a
head: 2d5149067a2aca5be4d24fc0f8368e48b47d222d
commit: 420d9384a0b98b51e74684d55d7853dfc113d660 [65/73] rcu: Reject RCU_LOCKDEP_WARN() false positives
:::::: branch date: 2 hours ago
:::::: commit date: 26 hours ago
config: x86_64-randconfig-s022-20210407 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.3-279-g6d5d9b42-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/commit/?id=420d9384a0b98b51e74684d55d7853dfc113d660
git remote add rcu https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
git fetch --no-tags rcu dev.2021.04.06a
git checkout 420d9384a0b98b51e74684d55d7853dfc113d660
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
kernel/signal.c:2280:33: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2280:33: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:2377:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:2377:41: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2377:41: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:2462:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:2462:41: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2462:41: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:2474:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:2474:33: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2474:33: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:2512:52: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *parent @@
kernel/signal.c:2512:52: sparse: expected struct task_struct *tsk
kernel/signal.c:2512:52: sparse: got struct task_struct [noderef] __rcu *parent
kernel/signal.c:2514:49: sparse: sparse: cast removes address space '__rcu' of expression
kernel/signal.c:2549:49: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sighand_struct *sighand @@ got struct sighand_struct [noderef] __rcu *sighand @@
kernel/signal.c:2549:49: sparse: expected struct sighand_struct *sighand
kernel/signal.c:2549:49: sparse: got struct sighand_struct [noderef] __rcu *sighand
kernel/signal.c:2878:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:2878:27: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2878:27: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:2898:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:2898:29: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2898:29: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:2965:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:2965:27: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2965:27: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:2967:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:2967:29: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:2967:29: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:3118:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:3118:31: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3118:31: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:3121:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:3121:33: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3121:33: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:3504:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:3504:27: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3504:27: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:3516:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:3516:37: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3516:37: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:3521:35: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:3521:35: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3521:35: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:3526:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:3526:29: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3526:29: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:3980:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:3980:31: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3980:31: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:3992:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:3992:33: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:3992:33: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:4010:11: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct k_sigaction *k @@ got struct k_sigaction [noderef] __rcu * @@
kernel/signal.c:4010:11: sparse: expected struct k_sigaction *k
kernel/signal.c:4010:11: sparse: got struct k_sigaction [noderef] __rcu *
kernel/signal.c:4012:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:4012:25: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:4012:25: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:4058:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
kernel/signal.c:4058:27: sparse: expected struct spinlock [usertype] *lock
kernel/signal.c:4058:27: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:69:34: sparse: sparse: dereference of noderef expression
kernel/signal.c:529:35: sparse: sparse: dereference of noderef expression
kernel/signal.c:557:52: sparse: sparse: dereference of noderef expression
kernel/signal.c:884:9: sparse: sparse: dereference of noderef expression
kernel/signal.c:1031:13: sparse: sparse: dereference of noderef expression
kernel/signal.c:1079:9: sparse: sparse: dereference of noderef expression
kernel/signal.c: note: in included file:
include/linux/signalfd.h:21:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct wait_queue_head *wq_head @@ got struct wait_queue_head [noderef] __rcu * @@
include/linux/signalfd.h:21:13: sparse: expected struct wait_queue_head *wq_head
include/linux/signalfd.h:21:13: sparse: got struct wait_queue_head [noderef] __rcu *
include/linux/signalfd.h:22:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct wait_queue_head *wq_head @@ got struct wait_queue_head [noderef] __rcu * @@
include/linux/signalfd.h:22:17: sparse: expected struct wait_queue_head *wq_head
include/linux/signalfd.h:22:17: sparse: got struct wait_queue_head [noderef] __rcu *
kernel/signal.c: note: in included file (through include/linux/sched/cputime.h):
include/linux/sched/signal.h:708:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
include/linux/sched/signal.h:708:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:708:37: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:1295:9: sparse: sparse: context imbalance in 'do_send_sig_info' - different lock contexts for basic block
kernel/signal.c: note: in included file (through include/linux/rbtree.h, include/linux/mm_types.h, include/linux/mmzone.h, ...):
include/linux/rcupdate.h:709:9: sparse: sparse: context imbalance in '__lock_task_sighand' - different lock contexts for basic block
kernel/signal.c: note: in included file (through include/linux/sched/cputime.h):
include/linux/sched/signal.h:708:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
include/linux/sched/signal.h:708:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:708:37: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c:1647:35: sparse: sparse: dereference of noderef expression
kernel/signal.c: note: in included file:
include/linux/signalfd.h:21:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct wait_queue_head *wq_head @@ got struct wait_queue_head [noderef] __rcu * @@
include/linux/signalfd.h:21:13: sparse: expected struct wait_queue_head *wq_head
include/linux/signalfd.h:21:13: sparse: got struct wait_queue_head [noderef] __rcu *
include/linux/signalfd.h:22:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct wait_queue_head *wq_head @@ got struct wait_queue_head [noderef] __rcu * @@
include/linux/signalfd.h:22:17: sparse: expected struct wait_queue_head *wq_head
include/linux/signalfd.h:22:17: sparse: got struct wait_queue_head [noderef] __rcu *
kernel/signal.c: note: in included file (through include/linux/sched/cputime.h):
include/linux/sched/signal.h:708:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@
include/linux/sched/signal.h:708:37: sparse: expected struct spinlock [usertype] *lock
include/linux/sched/signal.h:708:37: sparse: got struct spinlock [noderef] __rcu *
kernel/signal.c: note: in included file (through include/linux/rcupdate.h, include/linux/rbtree.h, include/linux/mm_types.h, ...):
>> include/linux/rcutiny.h:105:44: sparse: sparse: context imbalance in 'send_sigqueue' - wrong count at exit
kernel/signal.c:1951:40: sparse: sparse: dereference of noderef expression
kernel/signal.c:1951:40: sparse: sparse: dereference of noderef expression
kernel/signal.c:1951:40: sparse: sparse: dereference of noderef expression
kernel/signal.c:1951:40: sparse: sparse: dereference of noderef expression
kernel/signal.c:2094:13: sparse: sparse: dereference of noderef expression
kernel/signal.c: note: in included file (through include/uapi/asm-generic/bpf_perf_event.h, arch/x86/include/generated/uapi/asm/bpf_perf_event.h, ...):
include/linux/ptrace.h:99:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p1 @@ got struct task_struct [noderef] __rcu *real_parent @@
include/linux/ptrace.h:99:40: sparse: expected struct task_struct *p1
include/linux/ptrace.h:99:40: sparse: got struct task_struct [noderef] __rcu *real_parent
include/linux/ptrace.h:99:60: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p2 @@ got struct task_struct [noderef] __rcu *parent @@
include/linux/ptrace.h:99:60: sparse: expected struct task_struct *p2
include/linux/ptrace.h:99:60: sparse: got struct task_struct [noderef] __rcu *parent
kernel/signal.c:2305:13: sparse: sparse: context imbalance in 'do_signal_stop' - different lock contexts for basic block
kernel/signal.c:2514:49: sparse: sparse: dereference of noderef expression
kernel/signal.c:2514:49: sparse: sparse: dereference of noderef expression
kernel/signal.c:2514:49: sparse: sparse: dereference of noderef expression
kernel/signal.c:2514:49: sparse: sparse: dereference of noderef expression
include/linux/ptrace.h:99:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p1 @@ got struct task_struct [noderef] __rcu *real_parent @@
include/linux/ptrace.h:99:40: sparse: expected struct task_struct *p1
include/linux/ptrace.h:99:40: sparse: got struct task_struct [noderef] __rcu *real_parent
include/linux/ptrace.h:99:60: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p2 @@ got struct task_struct [noderef] __rcu *parent @@
include/linux/ptrace.h:99:60: sparse: expected struct task_struct *p2
include/linux/ptrace.h:99:60: sparse: got struct task_struct [noderef] __rcu *parent
kernel/signal.c:2630:69: sparse: sparse: context imbalance in 'get_signal' - unexpected unlock
kernel/signal.c:3981:33: sparse: sparse: dereference of noderef expression
--
kernel/events/core.c:583:26: sparse: sparse: function 'perf_pmu_name' with external linkage has definition
kernel/events/core.c:1466:15: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:1466:15: sparse: struct perf_event_context [noderef] __rcu *
kernel/events/core.c:1466:15: sparse: struct perf_event_context *
kernel/events/core.c:1479:28: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:1479:28: sparse: struct perf_event_context [noderef] __rcu *
kernel/events/core.c:1479:28: sparse: struct perf_event_context *
kernel/events/core.c:3390:18: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:3390:18: sparse: struct perf_event_context [noderef] __rcu *
kernel/events/core.c:3390:18: sparse: struct perf_event_context *
kernel/events/core.c:3391:23: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:3391:23: sparse: struct perf_event_context [noderef] __rcu *
kernel/events/core.c:3391:23: sparse: struct perf_event_context *
kernel/events/core.c:3439:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:3439:25: sparse: struct perf_event_context [noderef] __rcu *
kernel/events/core.c:3439:25: sparse: struct perf_event_context *
kernel/events/core.c:3440:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:3440:25: sparse: struct perf_event_context [noderef] __rcu *
kernel/events/core.c:3440:25: sparse: struct perf_event_context *
kernel/events/core.c:4582:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:4582:25: sparse: struct perf_event_context [noderef] __rcu *
kernel/events/core.c:4582:25: sparse: struct perf_event_context *
kernel/events/core.c:5844:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:5844:9: sparse: struct perf_buffer [noderef] __rcu *
kernel/events/core.c:5844:9: sparse: struct perf_buffer *
kernel/events/core.c:5320:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __poll_t [usertype] events @@ got int @@
kernel/events/core.c:5550:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:5550:22: sparse: struct perf_buffer [noderef] __rcu *
kernel/events/core.c:5550:22: sparse: struct perf_buffer *
kernel/events/core.c:5686:14: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:5686:14: sparse: struct perf_buffer [noderef] __rcu *
kernel/events/core.c:5686:14: sparse: struct perf_buffer *
kernel/events/core.c:5719:14: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:5719:14: sparse: struct perf_buffer [noderef] __rcu *
kernel/events/core.c:5719:14: sparse: struct perf_buffer *
kernel/events/core.c:5776:14: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:5776:14: sparse: struct perf_buffer [noderef] __rcu *
kernel/events/core.c:5776:14: sparse: struct perf_buffer *
kernel/events/core.c:5862:14: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:5862:14: sparse: struct perf_buffer [noderef] __rcu *
kernel/events/core.c:5862:14: sparse: struct perf_buffer *
kernel/events/core.c:5875:14: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:5875:14: sparse: struct perf_buffer [noderef] __rcu *
kernel/events/core.c:5875:14: sparse: struct perf_buffer *
kernel/events/core.c:6557:6: sparse: sparse: symbol 'perf_pmu_snapshot_aux' was not declared. Should it be static?
kernel/events/core.c:7476:23: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:7476:23: sparse: struct perf_event_context [noderef] __rcu *
kernel/events/core.c:7476:23: sparse: struct perf_event_context *
kernel/events/core.c:7567:13: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:7567:13: sparse: struct perf_buffer [noderef] __rcu *
kernel/events/core.c:7567:13: sparse: struct perf_buffer *
kernel/events/core.c:7672:61: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *real_parent @@
kernel/events/core.c:7672:61: sparse: expected struct task_struct *p
kernel/events/core.c:7672:61: sparse: got struct task_struct [noderef] __rcu *real_parent
kernel/events/core.c:7674:61: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *real_parent @@
kernel/events/core.c:7674:61: sparse: expected struct task_struct *p
kernel/events/core.c:7674:61: sparse: got struct task_struct [noderef] __rcu *real_parent
kernel/events/core.c:8379:23: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:8379:23: sparse: struct perf_event_context [noderef] __rcu *
kernel/events/core.c:8379:23: sparse: struct perf_event_context *
kernel/events/core.c:9343:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:9343:9: sparse: struct swevent_hlist [noderef] __rcu *
kernel/events/core.c:9343:9: sparse: struct swevent_hlist *
kernel/events/core.c:9382:17: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:9382:17: sparse: struct swevent_hlist [noderef] __rcu *
kernel/events/core.c:9382:17: sparse: struct swevent_hlist *
kernel/events/core.c:9563:23: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:9563:23: sparse: struct perf_event_context [noderef] __rcu *
kernel/events/core.c:9563:23: sparse: struct perf_event_context *
kernel/events/core.c:10748:1: sparse: sparse: symbol 'dev_attr_nr_addr_filters' was not declared. Should it be static?
kernel/events/core.c:12489:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:12489:9: sparse: struct perf_event_context [noderef] __rcu *
kernel/events/core.c:12489:9: sparse: struct perf_event_context *
kernel/events/core.c:12599:17: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:12599:17: sparse: struct perf_event_context [noderef] __rcu *
kernel/events/core.c:12599:17: sparse: struct perf_event_context *
kernel/events/core.c:13022:17: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:13022:17: sparse: struct swevent_hlist [noderef] __rcu *
kernel/events/core.c:13022:17: sparse: struct swevent_hlist *
kernel/events/core.c:166:9: sparse: sparse: context imbalance in 'perf_ctx_lock' - wrong count at exit
kernel/events/core.c:174:17: sparse: sparse: context imbalance in 'perf_ctx_unlock' - unexpected unlock
kernel/events/core.c: note: in included file (through include/linux/rcupdate.h, include/linux/rculist.h, include/linux/dcache.h, ...):
>> include/linux/rcutiny.h:105:44: sparse: sparse: context imbalance in 'perf_lock_task_context' - different lock contexts for basic block
kernel/events/core.c:1513:17: sparse: sparse: context imbalance in 'perf_pin_task_context' - unexpected unlock
kernel/events/core.c:2807:9: sparse: sparse: context imbalance in '__perf_install_in_context' - wrong count at exit
kernel/events/core.c:4554:17: sparse: sparse: context imbalance in 'find_get_context' - unexpected unlock
kernel/events/core.c: note: in included file:
kernel/events/internal.h:204:1: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got void const *buf @@
kernel/events/core.c:9192:17: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:9192:17: sparse: struct swevent_hlist [noderef] __rcu *
kernel/events/core.c:9192:17: sparse: struct swevent_hlist *
kernel/events/core.c:9212:17: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:9212:17: sparse: struct swevent_hlist [noderef] __rcu *
kernel/events/core.c:9212:17: sparse: struct swevent_hlist *
kernel/events/core.c:9332:16: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:9332:16: sparse: struct swevent_hlist [noderef] __rcu *
kernel/events/core.c:9332:16: sparse: struct swevent_hlist *
kernel/events/core.c:9332:16: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:9332:16: sparse: struct swevent_hlist [noderef] __rcu *
kernel/events/core.c:9332:16: sparse: struct swevent_hlist *
kernel/events/core.c:9332:16: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/events/core.c:9332:16: sparse: struct swevent_hlist [noderef] __rcu *
kernel/events/core.c:9332:16: sparse: struct swevent_hlist *
vim +/send_sigqueue +105 include/linux/rcutiny.h
5f192ab027a5d8 Paul E. McKenney 2017-05-03 75
29ce831000081d Gleb Natapov 2011-05-04 76 /*
29ce831000081d Gleb Natapov 2011-05-04 77 * Take advantage of the fact that there is only one CPU, which
29ce831000081d Gleb Natapov 2011-05-04 78 * allows us to ignore virtualization-based context switches.
29ce831000081d Gleb Natapov 2011-05-04 79 */
71c40fd0b5ceb3 Paul E. McKenney 2017-05-03 80 static inline void rcu_virt_note_context_switch(int cpu) { }
71c40fd0b5ceb3 Paul E. McKenney 2017-05-03 81 static inline void rcu_cpu_stall_reset(void) { }
1b27291b1ea4f1 Paul E. McKenney 2018-07-18 82 static inline int rcu_jiffies_till_stall_check(void) { return 21 * HZ; }
71c40fd0b5ceb3 Paul E. McKenney 2017-05-03 83 static inline void rcu_idle_enter(void) { }
71c40fd0b5ceb3 Paul E. McKenney 2017-05-03 84 static inline void rcu_idle_exit(void) { }
71c40fd0b5ceb3 Paul E. McKenney 2017-05-03 85 static inline void rcu_irq_enter(void) { }
71c40fd0b5ceb3 Paul E. McKenney 2017-05-03 86 static inline void rcu_irq_exit_irqson(void) { }
71c40fd0b5ceb3 Paul E. McKenney 2017-05-03 87 static inline void rcu_irq_enter_irqson(void) { }
71c40fd0b5ceb3 Paul E. McKenney 2017-05-03 88 static inline void rcu_irq_exit(void) { }
07325d4a90d2d8 Thomas Gleixner 2020-05-21 89 static inline void rcu_irq_exit_check_preempt(void) { }
3fcd6a230fa7d0 Paul E. McKenney 2020-09-03 90 #define rcu_is_idle_cpu(cpu) \
3fcd6a230fa7d0 Paul E. McKenney 2020-09-03 91 (is_idle_task(current) && !in_nmi() && !in_irq() && !in_serving_softirq())
71c40fd0b5ceb3 Paul E. McKenney 2017-05-03 92 static inline void exit_rcu(void) { }
3e31009898699d Paul E. McKenney 2018-06-21 93 static inline bool rcu_preempt_need_deferred_qs(struct task_struct *t)
3e31009898699d Paul E. McKenney 2018-06-21 94 {
3e31009898699d Paul E. McKenney 2018-06-21 95 return false;
3e31009898699d Paul E. McKenney 2018-06-21 96 }
3e31009898699d Paul E. McKenney 2018-06-21 97 static inline void rcu_preempt_deferred_qs(struct task_struct *t) { }
825c5bd2fd47d3 Paul E. McKenney 2017-05-26 98 #ifdef CONFIG_SRCU
584dc4ce552677 Teodora Baluta 2013-11-11 99 void rcu_scheduler_starting(void);
825c5bd2fd47d3 Paul E. McKenney 2017-05-26 100 #else /* #ifndef CONFIG_SRCU */
71c40fd0b5ceb3 Paul E. McKenney 2017-05-03 101 static inline void rcu_scheduler_starting(void) { }
825c5bd2fd47d3 Paul E. McKenney 2017-05-26 102 #endif /* #else #ifndef CONFIG_SRCU */
d2b1654f91f9e9 Paul E. McKenney 2017-05-11 103 static inline void rcu_end_inkernel_boot(void) { }
59ee0326ccf712 Paul E. McKenney 2019-11-28 104 static inline bool rcu_inkernel_boot_has_ended(void) { return true; }
71c40fd0b5ceb3 Paul E. McKenney 2017-05-03 @105 static inline bool rcu_is_watching(void) { return true; }
79ba7ff5a9925f Paul E. McKenney 2019-08-04 106 static inline void rcu_momentary_dyntick_idle(void) { }
a35d16905efc6a Byungchul Park 2019-08-05 107 static inline void kfree_rcu_scheduler_running(void) { }
6be7436d2245d3 Paul E. McKenney 2020-04-10 108 static inline bool rcu_gp_might_be_stalled(void) { return false; }
5c173eb8bcb9c1 Paul E. McKenney 2013-09-13 109
:::::: The code at line 105 was first introduced by commit
:::::: 71c40fd0b5ceb300c6cb8753835d9d94a8bfc56f rcu: Move rcutiny.h to new empty/true/false-function style
:::::: TO: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
:::::: CC: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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