tools/testing/selftests/arm64/tags/.gitignore: warning: ignored by one of the .gitignore files
tools/testing/selftests/arm64/tags/Makefile: warning: ignored by one of the .gitignore files
tools/testing/selftests/arm64/tags/tags_test.c: warning: ignored by one of the .gitignore files
../fs/read_write.c:159:1: warning: context imbalance in 'generic_file_llseek_size' - different lock contexts for basic block
../kernel/signal.c: note: in included file (through ../arch/x86/include/uapi/asm/signal.h, ../arch/x86/include/asm/signal.h, ../include/uapi/linux/signal.h, ../include/linux/signal_types.h, ../include/linux/sched.h, ...):
../include/uapi/asm-generic/signal-defs.h:83:29: error: multiple address spaces given
../kernel/signal.c:188:31: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:188:31:    expected struct spinlock [usertype] *lock
../kernel/signal.c:188:31:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:191:33: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:191:33:    expected struct spinlock [usertype] *lock
../kernel/signal.c:191:33:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:473:9: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:473:9:    expected struct spinlock [usertype] *lock
../kernel/signal.c:473:9:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:477:34: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:477:34:    expected struct spinlock [usertype] *lock
../kernel/signal.c:477:34:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:510:9: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:510:9:    expected struct spinlock [usertype] *lock
../kernel/signal.c:510:9:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:513:36: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:513:36:    expected struct spinlock [usertype] *lock
../kernel/signal.c:513:36:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:535:53: warning: incorrect type in initializer (different address spaces)
../kernel/signal.c:535:53:    expected struct k_sigaction *ka
../kernel/signal.c:535:53:    got struct k_sigaction [noderef] __rcu *
../include/uapi/asm-generic/signal-defs.h:83:29: error: multiple address spaces given
../kernel/signal.c:631:9: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:631:9:    expected struct lockdep_map const *lock
../kernel/signal.c:631:9:    got struct lockdep_map [noderef] __rcu *
../kernel/signal.c:693:33: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:693:33:    expected struct spinlock [usertype] *lock
../kernel/signal.c:693:33:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:695:31: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:695:31:    expected struct spinlock [usertype] *lock
../kernel/signal.c:695:31:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:760:9: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:760:9:    expected struct lockdep_map const *lock
../kernel/signal.c:760:9:    got struct lockdep_map [noderef] __rcu *
../kernel/signal.c:885:9: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:885:9:    expected struct lockdep_map const *lock
../kernel/signal.c:885:9:    got struct lockdep_map [noderef] __rcu *
../kernel/signal.c:1080:9: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:1080:9:    expected struct lockdep_map const *lock
../kernel/signal.c:1080:9:    got struct lockdep_map [noderef] __rcu *
../kernel/signal.c:1332:9: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:1332:9:    expected struct spinlock [usertype] *lock
../kernel/signal.c:1332:9:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:1333:16: warning: incorrect type in assignment (different address spaces)
../kernel/signal.c:1333:16:    expected struct k_sigaction *action
../kernel/signal.c:1333:16:    got struct k_sigaction [noderef] __rcu *
../kernel/signal.c:1354:34: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:1354:34:    expected struct spinlock [usertype] *lock
../kernel/signal.c:1354:34:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:1941:36: warning: incorrect type in initializer (different address spaces)
../kernel/signal.c:1941:36:    expected struct spinlock [usertype] *lock
../kernel/signal.c:1941:36:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:2075:44: warning: cast removes address space '__rcu' of expression
../kernel/signal.c:2094:65: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2094:65:    expected struct task_struct *tsk
../kernel/signal.c:2094:65:    got struct task_struct [noderef] __rcu *parent
../kernel/signal.c:2095:40: warning: cast removes address space '__rcu' of expression
../kernel/signal.c:2113:14: warning: incorrect type in assignment (different address spaces)
../kernel/signal.c:2113:14:    expected struct sighand_struct *psig
../kernel/signal.c:2113:14:    got struct sighand_struct [noderef] __rcu *[noderef] __rcu sighand
../kernel/signal.c:2142:53: warning: incorrect type in argument 3 (different address spaces)
../kernel/signal.c:2142:53:    expected struct task_struct *t
../kernel/signal.c:2142:53:    got struct task_struct [noderef] __rcu *parent
../kernel/signal.c:2143:34: warning: incorrect type in argument 2 (different address spaces)
../kernel/signal.c:2143:34:    expected struct task_struct *parent
../kernel/signal.c:2143:34:    got struct task_struct [noderef] __rcu *parent
../kernel/signal.c:2172:24: warning: incorrect type in assignment (different address spaces)
../kernel/signal.c:2172:24:    expected struct task_struct *parent
../kernel/signal.c:2172:24:    got struct task_struct [noderef] __rcu *parent
../kernel/signal.c:2175:24: warning: incorrect type in assignment (different address spaces)
../kernel/signal.c:2175:24:    expected struct task_struct *parent
../kernel/signal.c:2175:24:    got struct task_struct [noderef] __rcu *real_parent
../kernel/signal.c:2208:17: warning: incorrect type in assignment (different address spaces)
../kernel/signal.c:2208:17:    expected struct sighand_struct *sighand
../kernel/signal.c:2208:17:    got struct sighand_struct [noderef] __rcu *sighand
../kernel/signal.c:2248:41: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2248:41:    expected struct spinlock [usertype] *lock
../kernel/signal.c:2248:41:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:2250:39: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2250:39:    expected struct spinlock [usertype] *lock
../kernel/signal.c:2250:39:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:2307:33: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2307:33:    expected struct spinlock [usertype] *lock
../kernel/signal.c:2307:33:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:2365:31: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2365:31:    expected struct spinlock [usertype] *lock
../kernel/signal.c:2365:31:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:2405:31: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2405:31:    expected struct spinlock [usertype] *lock
../kernel/signal.c:2405:31:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:2407:33: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2407:33:    expected struct spinlock [usertype] *lock
../kernel/signal.c:2407:33:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:2505:41: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2505:41:    expected struct spinlock [usertype] *lock
../kernel/signal.c:2505:41:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:2589:41: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2589:41:    expected struct spinlock [usertype] *lock
../kernel/signal.c:2589:41:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:2601:33: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2601:33:    expected struct spinlock [usertype] *lock
../kernel/signal.c:2601:33:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:2644:52: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2644:52:    expected struct task_struct *tsk
../kernel/signal.c:2644:52:    got struct task_struct [noderef] __rcu *parent
../kernel/signal.c:2646:49: warning: cast removes address space '__rcu' of expression
../kernel/signal.c:2684:49: warning: incorrect type in initializer (different address spaces)
../kernel/signal.c:2684:49:    expected struct sighand_struct *sighand
../kernel/signal.c:2684:49:    got struct sighand_struct [noderef] __rcu *sighand
../kernel/signal.c:3017:27: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:3017:27:    expected struct spinlock [usertype] *lock
../kernel/signal.c:3017:27:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:3038:29: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:3038:29:    expected struct spinlock [usertype] *lock
../kernel/signal.c:3038:29:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:3105:27: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:3105:27:    expected struct spinlock [usertype] *lock
../kernel/signal.c:3105:27:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:3107:29: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:3107:29:    expected struct spinlock [usertype] *lock
../kernel/signal.c:3107:29:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:3258:31: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:3258:31:    expected struct spinlock [usertype] *lock
../kernel/signal.c:3258:31:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:3261:33: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:3261:33:    expected struct spinlock [usertype] *lock
../kernel/signal.c:3261:33:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:3650:27: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:3650:27:    expected struct spinlock [usertype] *lock
../kernel/signal.c:3650:27:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:3662:37: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:3662:37:    expected struct spinlock [usertype] *lock
../kernel/signal.c:3662:37:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:3667:35: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:3667:35:    expected struct spinlock [usertype] *lock
../kernel/signal.c:3667:35:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:3672:29: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:3672:29:    expected struct spinlock [usertype] *lock
../kernel/signal.c:3672:29:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:4148:31: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:4148:31:    expected struct spinlock [usertype] *lock
../kernel/signal.c:4148:31:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:4160:33: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:4160:33:    expected struct spinlock [usertype] *lock
../kernel/signal.c:4160:33:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:4178:11: warning: incorrect type in assignment (different address spaces)
../kernel/signal.c:4178:11:    expected struct k_sigaction *k
../kernel/signal.c:4178:11:    got struct k_sigaction [noderef] __rcu *
../kernel/signal.c:4180:25: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:4180:25:    expected struct spinlock [usertype] *lock
../kernel/signal.c:4180:25:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:4182:35: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:4182:35:    expected struct spinlock [usertype] *lock
../kernel/signal.c:4182:35:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:4230:27: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:4230:27:    expected struct spinlock [usertype] *lock
../kernel/signal.c:4230:27:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:4878:29: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:4878:29:    expected struct spinlock [usertype] *lock
../kernel/signal.c:4878:29:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:4887:31: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:4887:31:    expected struct spinlock [usertype] *lock
../kernel/signal.c:4887:31:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:4897:23: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:4897:23:    expected struct spinlock [usertype] *lock
../kernel/signal.c:4897:23:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:72:34: warning: dereference of noderef expression
../kernel/signal.c:522:35: warning: dereference of noderef expression
../kernel/signal.c:550:52: warning: dereference of noderef expression
../kernel/signal.c:1033:13: warning: dereference of noderef expression
../kernel/signal.c: note: in included file:
../include/linux/signalfd.h:21:13: warning: incorrect type in argument 1 (different address spaces)
../include/linux/signalfd.h:21:13:    expected struct wait_queue_head *wq_head
../include/linux/signalfd.h:21:13:    got struct wait_queue_head [noderef] __rcu *
../include/linux/signalfd.h:22:17: warning: incorrect type in argument 1 (different address spaces)
../include/linux/signalfd.h:22:17:    expected struct wait_queue_head *wq_head
../include/linux/signalfd.h:22:17:    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:753:37: warning: incorrect type in argument 1 (different address spaces)
../include/linux/sched/signal.h:753:37:    expected struct spinlock [usertype] *lock
../include/linux/sched/signal.h:753:37:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:1303:9: warning: 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/gfp.h, ../include/linux/slab.h):
../include/linux/rcupdate.h:878:9: warning: 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:753:37: warning: incorrect type in argument 1 (different address spaces)
../include/linux/sched/signal.h:753:37:    expected struct spinlock [usertype] *lock
../include/linux/sched/signal.h:753:37:    got struct spinlock [noderef] __rcu *
../kernel/signal.c: note: in included file:
../include/linux/signalfd.h:21:13: warning: incorrect type in argument 1 (different address spaces)
../include/linux/signalfd.h:21:13:    expected struct wait_queue_head *wq_head
../include/linux/signalfd.h:21:13:    got struct wait_queue_head [noderef] __rcu *
../include/linux/signalfd.h:22:17: warning: incorrect type in argument 1 (different address spaces)
../include/linux/signalfd.h:22:17:    expected struct wait_queue_head *wq_head
../include/linux/signalfd.h:22:17:    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:753:37: warning: incorrect type in argument 1 (different address spaces)
../include/linux/sched/signal.h:753:37:    expected struct spinlock [usertype] *lock
../include/linux/sched/signal.h:753:37:    got struct spinlock [noderef] __rcu *
../kernel/signal.c: note: in included file (through ../include/linux/rbtree.h, ../include/linux/mm_types.h, ../include/linux/mmzone.h, ../include/linux/gfp.h, ../include/linux/slab.h):
../include/linux/rcupdate.h:878:9: warning: context imbalance in 'send_sigqueue' - different lock contexts for basic block
../kernel/signal.c:2095:40: warning: dereference of noderef expression
../kernel/signal.c:2095:40: warning: 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/uapi/linux/bpf_perf_event.h, ../include/linux/perf_event.h, ...):
../include/linux/ptrace.h:92:40: warning: incorrect type in argument 1 (different address spaces)
../include/linux/ptrace.h:92:40:    expected struct task_struct *p1
../include/linux/ptrace.h:92:40:    got struct task_struct [noderef] __rcu *real_parent
../include/linux/ptrace.h:92:60: warning: incorrect type in argument 2 (different address spaces)
../include/linux/ptrace.h:92:60:    expected struct task_struct *p2
../include/linux/ptrace.h:92:60:    got struct task_struct [noderef] __rcu *parent
../kernel/signal.c:2433:13: warning: context imbalance in 'do_signal_stop' - different lock contexts for basic block
../kernel/signal.c:2646:49: warning: dereference of noderef expression
../kernel/signal.c:2646:49: warning: dereference of noderef expression
../include/linux/ptrace.h:92:40: warning: incorrect type in argument 1 (different address spaces)
../include/linux/ptrace.h:92:40:    expected struct task_struct *p1
../include/linux/ptrace.h:92:40:    got struct task_struct [noderef] __rcu *real_parent
../include/linux/ptrace.h:92:60: warning: incorrect type in argument 2 (different address spaces)
../include/linux/ptrace.h:92:60:    expected struct task_struct *p2
../include/linux/ptrace.h:92:60:    got struct task_struct [noderef] __rcu *parent
../kernel/signal.c:2770:33: warning: context imbalance in 'get_signal' - unexpected unlock
../kernel/signal.c:4149:33: warning: dereference of noderef expression
../kernel/signal.c:4238:31: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:4238:31:    expected struct spinlock [usertype] *lock
../kernel/signal.c:4238:31:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:4244:33: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:4244:33:    expected struct spinlock [usertype] *lock
../kernel/signal.c:4244:33:    got struct spinlock [noderef] __rcu *
../kernel/pid.c:393:9: error: incompatible types in comparison expression (different address spaces):
../kernel/pid.c:393:9:    struct pid [noderef] __rcu *
../kernel/pid.c:393:9:    struct pid *
../kernel/pid.c:394:9: error: incompatible types in comparison expression (different address spaces):
../kernel/pid.c:394:9:    struct pid [noderef] __rcu *
../kernel/pid.c:394:9:    struct pid *
../kernel/pid.c:455:23: error: incompatible types in comparison expression (different address spaces):
../kernel/pid.c:455:23:    struct pid [noderef] __rcu *
../kernel/pid.c:455:23:    struct pid *
../kernel/pid.c:513:24: error: incompatible types in comparison expression (different address spaces):
../kernel/pid.c:513:24:    struct pid [noderef] __rcu *
../kernel/pid.c:513:24:    struct pid *
../kernel/pid.c: note: in included file (through ../include/linux/dcache.h, ../include/linux/fs.h, ../include/linux/huge_mm.h, ../include/linux/mm.h):
../include/linux/rculist.h:557:9: error: incompatible types in comparison expression (different address spaces):
../include/linux/rculist.h:557:9:    struct hlist_node [noderef] __rcu *
../include/linux/rculist.h:557:9:    struct hlist_node *
../include/linux/rculist.h:558:9: error: incompatible types in comparison expression (different address spaces):
../include/linux/rculist.h:558:9:    struct hlist_node [noderef] __rcu *
../include/linux/rculist.h:558:9:    struct hlist_node *
../fs/namespace.c: note: in included file (through ../include/linux/mm_types.h, ../include/linux/mmzone.h, ../include/linux/gfp.h, ../include/linux/xarray.h, ../include/linux/list_lru.h, ../include/linux/fs.h, ...):
../include/linux/rbtree.h:209:21: warning: context imbalance in 'mnt_ns_tree_add' - wrong count at exit
../fs/namespace.c:162:9: warning: context imbalance in 'mnt_ns_tree_remove' - different lock contexts for basic block
../fs/namespace.c:199:29: warning: context imbalance in 'lookup_mnt_ns' - wrong count at exit
../fs/namespace.c:2068:22: warning: context imbalance in '__lookup_next_mnt_ns' - wrong count at exit
../fs/notify/inotify/inotify_user.c:576:51: warning: incorrect type in argument 1 (different address spaces)
../fs/notify/inotify/inotify_user.c:576:51:    expected struct fsnotify_mark_connector *conn
../fs/notify/inotify/inotify_user.c:576:51:    got struct fsnotify_mark_connector [noderef] __rcu *i_fsnotify_marks
../fs/eventpoll.c:619:9: warning: restricted __poll_t degrades to integer
../fs/eventpoll.c:619:9: warning: cast to restricted __poll_t
../fs/eventpoll.c:1385:53: warning: incorrect type in argument 3 (different base types)
../fs/eventpoll.c:1385:53:    expected unsigned int pollflags
../fs/eventpoll.c:1385:53:    got restricted __poll_t
../kernel/taskstats.c:279:9: warning: incorrect type in argument 1 (different address spaces)
../kernel/taskstats.c:279:9:    expected struct spinlock [usertype] *lock
../kernel/taskstats.c:279:9:    got struct spinlock [noderef] __rcu *
../kernel/taskstats.c:291:36: warning: incorrect type in argument 1 (different address spaces)
../kernel/taskstats.c:291:36:    expected struct spinlock [usertype] *lock
../kernel/taskstats.c:291:36:    got struct spinlock [noderef] __rcu *
../kernel/taskstats.c:584:27: warning: incorrect type in argument 1 (different address spaces)
../kernel/taskstats.c:584:27:    expected struct spinlock [usertype] *lock
../kernel/taskstats.c:584:27:    got struct spinlock [noderef] __rcu *
../kernel/taskstats.c:595:29: warning: incorrect type in argument 1 (different address spaces)
../kernel/taskstats.c:595:29:    expected struct spinlock [usertype] *lock
../kernel/taskstats.c:595:29:    got struct spinlock [noderef] __rcu *
../kernel/taskstats.c: note: in included file (through ../include/linux/taskstats_kern.h):
../include/linux/sched/signal.h:753:37: warning: incorrect type in argument 1 (different address spaces)
../include/linux/sched/signal.h:753:37:    expected struct spinlock [usertype] *lock
../include/linux/sched/signal.h:753:37:    got struct spinlock [noderef] __rcu *
../kernel/taskstats.c: note: in included file (through ../include/linux/rculist.h, ../include/linux/sched/signal.h, ../include/linux/taskstats_kern.h):
../include/linux/rcupdate.h:878:9: warning: context imbalance in 'fill_stats_for_tgid' - different lock contexts for basic block
../fs/f2fs/file.c:3496:36: warning: incorrect type in argument 1 (different base types)
../fs/f2fs/file.c:3496:36:    expected unsigned short const [usertype] *pwcs
../fs/f2fs/file.c:3496:36:    got restricted __le16 *
../fs/f2fs/file.c:3532:28: warning: incorrect type in argument 4 (different base types)
../fs/f2fs/file.c:3532:28:    expected unsigned short [usertype] *pwcs
../fs/f2fs/file.c:3532:28:    got restricted __le16 *
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/block/rnull_mod.o
../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?
tools/testing/selftests/arm64/tags/.gitignore: warning: ignored by one of the .gitignore files
tools/testing/selftests/arm64/tags/Makefile: warning: ignored by one of the .gitignore files
tools/testing/selftests/arm64/tags/tags_test.c: warning: ignored by one of the .gitignore files
../kernel/pid.c:393:9: error: incompatible types in comparison expression (different address spaces):
../kernel/pid.c:393:9:    struct pid [noderef] __rcu *
../kernel/pid.c:393:9:    struct pid *
../kernel/pid.c:394:9: error: incompatible types in comparison expression (different address spaces):
../kernel/pid.c:394:9:    struct pid [noderef] __rcu *
../kernel/pid.c:394:9:    struct pid *
../kernel/pid.c:455:23: error: incompatible types in comparison expression (different address spaces):
../kernel/pid.c:455:23:    struct pid [noderef] __rcu *
../kernel/pid.c:455:23:    struct pid *
../kernel/pid.c:513:24: error: incompatible types in comparison expression (different address spaces):
../kernel/pid.c:513:24:    struct pid [noderef] __rcu *
../kernel/pid.c:513:24:    struct pid *
../kernel/pid.c: note: in included file (through ../include/linux/dcache.h, ../include/linux/fs.h, ../include/linux/huge_mm.h, ../include/linux/mm.h):
../include/linux/rculist.h:557:9: error: incompatible types in comparison expression (different address spaces):
../include/linux/rculist.h:557:9:    struct hlist_node [noderef] __rcu *
../include/linux/rculist.h:557:9:    struct hlist_node *
../include/linux/rculist.h:558:9: error: incompatible types in comparison expression (different address spaces):
../include/linux/rculist.h:558:9:    struct hlist_node [noderef] __rcu *
../include/linux/rculist.h:558:9:    struct hlist_node *
../fs/read_write.c:159:1: warning: context imbalance in 'generic_file_llseek_size' - different lock contexts for basic block
../fs/notify/inotify/inotify_user.c:576:51: warning: incorrect type in argument 1 (different address spaces)
../fs/notify/inotify/inotify_user.c:576:51:    expected struct fsnotify_mark_connector *conn
../fs/notify/inotify/inotify_user.c:576:51:    got struct fsnotify_mark_connector [noderef] __rcu *i_fsnotify_marks
../kernel/taskstats.c:279:9: warning: incorrect type in argument 1 (different address spaces)
../kernel/taskstats.c:279:9:    expected struct spinlock [usertype] *lock
../kernel/taskstats.c:279:9:    got struct spinlock [noderef] __rcu *
../kernel/taskstats.c:291:36: warning: incorrect type in argument 1 (different address spaces)
../kernel/taskstats.c:291:36:    expected struct spinlock [usertype] *lock
../kernel/taskstats.c:291:36:    got struct spinlock [noderef] __rcu *
../kernel/taskstats.c:578:27: warning: incorrect type in argument 1 (different address spaces)
../kernel/taskstats.c:578:27:    expected struct spinlock [usertype] *lock
../kernel/taskstats.c:578:27:    got struct spinlock [noderef] __rcu *
../kernel/taskstats.c:589:29: warning: incorrect type in argument 1 (different address spaces)
../kernel/taskstats.c:589:29:    expected struct spinlock [usertype] *lock
../kernel/taskstats.c:589:29:    got struct spinlock [noderef] __rcu *
../kernel/taskstats.c: note: in included file (through ../include/linux/taskstats_kern.h):
../include/linux/sched/signal.h:753:37: warning: incorrect type in argument 1 (different address spaces)
../include/linux/sched/signal.h:753:37:    expected struct spinlock [usertype] *lock
../include/linux/sched/signal.h:753:37:    got struct spinlock [noderef] __rcu *
../kernel/taskstats.c: note: in included file (through ../include/linux/rculist.h, ../include/linux/sched/signal.h, ../include/linux/taskstats_kern.h):
../include/linux/rcupdate.h:878:9: warning: context imbalance in 'fill_stats_for_tgid' - different lock contexts for basic block
../kernel/signal.c: note: in included file (through ../arch/x86/include/uapi/asm/signal.h, ../arch/x86/include/asm/signal.h, ../include/uapi/linux/signal.h, ../include/linux/signal_types.h, ../include/linux/sched.h, ...):
../include/uapi/asm-generic/signal-defs.h:83:29: error: multiple address spaces given
../kernel/signal.c:188:31: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:188:31:    expected struct spinlock [usertype] *lock
../kernel/signal.c:188:31:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:191:33: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:191:33:    expected struct spinlock [usertype] *lock
../kernel/signal.c:191:33:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:473:9: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:473:9:    expected struct spinlock [usertype] *lock
../kernel/signal.c:473:9:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:477:34: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:477:34:    expected struct spinlock [usertype] *lock
../kernel/signal.c:477:34:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:510:9: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:510:9:    expected struct spinlock [usertype] *lock
../kernel/signal.c:510:9:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:513:36: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:513:36:    expected struct spinlock [usertype] *lock
../kernel/signal.c:513:36:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:535:53: warning: incorrect type in initializer (different address spaces)
../kernel/signal.c:535:53:    expected struct k_sigaction *ka
../kernel/signal.c:535:53:    got struct k_sigaction [noderef] __rcu *
../include/uapi/asm-generic/signal-defs.h:83:29: error: multiple address spaces given
../kernel/signal.c:631:9: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:631:9:    expected struct lockdep_map const *lock
../kernel/signal.c:631:9:    got struct lockdep_map [noderef] __rcu *
../kernel/signal.c:693:33: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:693:33:    expected struct spinlock [usertype] *lock
../kernel/signal.c:693:33:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:695:31: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:695:31:    expected struct spinlock [usertype] *lock
../kernel/signal.c:695:31:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:760:9: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:760:9:    expected struct lockdep_map const *lock
../kernel/signal.c:760:9:    got struct lockdep_map [noderef] __rcu *
../kernel/signal.c:885:9: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:885:9:    expected struct lockdep_map const *lock
../kernel/signal.c:885:9:    got struct lockdep_map [noderef] __rcu *
../kernel/signal.c:1080:9: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:1080:9:    expected struct lockdep_map const *lock
../kernel/signal.c:1080:9:    got struct lockdep_map [noderef] __rcu *
../kernel/signal.c:1332:9: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:1332:9:    expected struct spinlock [usertype] *lock
../kernel/signal.c:1332:9:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:1333:16: warning: incorrect type in assignment (different address spaces)
../kernel/signal.c:1333:16:    expected struct k_sigaction *action
../kernel/signal.c:1333:16:    got struct k_sigaction [noderef] __rcu *
../kernel/signal.c:1354:34: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:1354:34:    expected struct spinlock [usertype] *lock
../kernel/signal.c:1354:34:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:1941:36: warning: incorrect type in initializer (different address spaces)
../kernel/signal.c:1941:36:    expected struct spinlock [usertype] *lock
../kernel/signal.c:1941:36:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:2075:44: warning: cast removes address space '__rcu' of expression
../kernel/signal.c:2094:65: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2094:65:    expected struct task_struct *tsk
../kernel/signal.c:2094:65:    got struct task_struct [noderef] __rcu *parent
../kernel/signal.c:2095:40: warning: cast removes address space '__rcu' of expression
../kernel/signal.c:2113:14: warning: incorrect type in assignment (different address spaces)
../kernel/signal.c:2113:14:    expected struct sighand_struct *psig
../kernel/signal.c:2113:14:    got struct sighand_struct [noderef] __rcu *[noderef] __rcu sighand
../kernel/signal.c:2142:53: warning: incorrect type in argument 3 (different address spaces)
../kernel/signal.c:2142:53:    expected struct task_struct *t
../kernel/signal.c:2142:53:    got struct task_struct [noderef] __rcu *parent
../kernel/signal.c:2143:34: warning: incorrect type in argument 2 (different address spaces)
../kernel/signal.c:2143:34:    expected struct task_struct *parent
../kernel/signal.c:2143:34:    got struct task_struct [noderef] __rcu *parent
../kernel/signal.c:2172:24: warning: incorrect type in assignment (different address spaces)
../kernel/signal.c:2172:24:    expected struct task_struct *parent
../kernel/signal.c:2172:24:    got struct task_struct [noderef] __rcu *parent
../kernel/signal.c:2175:24: warning: incorrect type in assignment (different address spaces)
../kernel/signal.c:2175:24:    expected struct task_struct *parent
../kernel/signal.c:2175:24:    got struct task_struct [noderef] __rcu *real_parent
../kernel/signal.c:2208:17: warning: incorrect type in assignment (different address spaces)
../kernel/signal.c:2208:17:    expected struct sighand_struct *sighand
../kernel/signal.c:2208:17:    got struct sighand_struct [noderef] __rcu *sighand
../kernel/signal.c:2248:41: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2248:41:    expected struct spinlock [usertype] *lock
../kernel/signal.c:2248:41:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:2250:39: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2250:39:    expected struct spinlock [usertype] *lock
../kernel/signal.c:2250:39:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:2307:33: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2307:33:    expected struct spinlock [usertype] *lock
../kernel/signal.c:2307:33:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:2365:31: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2365:31:    expected struct spinlock [usertype] *lock
../kernel/signal.c:2365:31:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:2405:31: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2405:31:    expected struct spinlock [usertype] *lock
../kernel/signal.c:2405:31:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:2407:33: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2407:33:    expected struct spinlock [usertype] *lock
../kernel/signal.c:2407:33:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:2505:41: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2505:41:    expected struct spinlock [usertype] *lock
../kernel/signal.c:2505:41:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:2589:41: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2589:41:    expected struct spinlock [usertype] *lock
../kernel/signal.c:2589:41:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:2601:33: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2601:33:    expected struct spinlock [usertype] *lock
../kernel/signal.c:2601:33:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:2644:52: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:2644:52:    expected struct task_struct *tsk
../kernel/signal.c:2644:52:    got struct task_struct [noderef] __rcu *parent
../kernel/signal.c:2646:49: warning: cast removes address space '__rcu' of expression
../kernel/signal.c:2684:49: warning: incorrect type in initializer (different address spaces)
../kernel/signal.c:2684:49:    expected struct sighand_struct *sighand
../kernel/signal.c:2684:49:    got struct sighand_struct [noderef] __rcu *sighand
../kernel/signal.c:3017:27: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:3017:27:    expected struct spinlock [usertype] *lock
../kernel/signal.c:3017:27:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:3038:29: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:3038:29:    expected struct spinlock [usertype] *lock
../kernel/signal.c:3038:29:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:3105:27: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:3105:27:    expected struct spinlock [usertype] *lock
../kernel/signal.c:3105:27:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:3107:29: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:3107:29:    expected struct spinlock [usertype] *lock
../kernel/signal.c:3107:29:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:3258:31: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:3258:31:    expected struct spinlock [usertype] *lock
../kernel/signal.c:3258:31:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:3261:33: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:3261:33:    expected struct spinlock [usertype] *lock
../kernel/signal.c:3261:33:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:3650:27: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:3650:27:    expected struct spinlock [usertype] *lock
../kernel/signal.c:3650:27:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:3662:37: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:3662:37:    expected struct spinlock [usertype] *lock
../kernel/signal.c:3662:37:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:3667:35: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:3667:35:    expected struct spinlock [usertype] *lock
../kernel/signal.c:3667:35:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:3672:29: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:3672:29:    expected struct spinlock [usertype] *lock
../kernel/signal.c:3672:29:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:4139:31: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:4139:31:    expected struct spinlock [usertype] *lock
../kernel/signal.c:4139:31:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:4151:33: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:4151:33:    expected struct spinlock [usertype] *lock
../kernel/signal.c:4151:33:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:4169:11: warning: incorrect type in assignment (different address spaces)
../kernel/signal.c:4169:11:    expected struct k_sigaction *k
../kernel/signal.c:4169:11:    got struct k_sigaction [noderef] __rcu *
../kernel/signal.c:4171:25: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:4171:25:    expected struct spinlock [usertype] *lock
../kernel/signal.c:4171:25:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:4173:35: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:4173:35:    expected struct spinlock [usertype] *lock
../kernel/signal.c:4173:35:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:4221:27: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:4221:27:    expected struct spinlock [usertype] *lock
../kernel/signal.c:4221:27:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:4869:29: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:4869:29:    expected struct spinlock [usertype] *lock
../kernel/signal.c:4869:29:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:4878:31: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:4878:31:    expected struct spinlock [usertype] *lock
../kernel/signal.c:4878:31:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:4888:23: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:4888:23:    expected struct spinlock [usertype] *lock
../kernel/signal.c:4888:23:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:72:34: warning: dereference of noderef expression
../kernel/signal.c:522:35: warning: dereference of noderef expression
../kernel/signal.c:550:52: warning: dereference of noderef expression
../kernel/signal.c:1033:13: warning: dereference of noderef expression
../kernel/signal.c: note: in included file:
../include/linux/signalfd.h:21:13: warning: incorrect type in argument 1 (different address spaces)
../include/linux/signalfd.h:21:13:    expected struct wait_queue_head *wq_head
../include/linux/signalfd.h:21:13:    got struct wait_queue_head [noderef] __rcu *
../include/linux/signalfd.h:22:17: warning: incorrect type in argument 1 (different address spaces)
../include/linux/signalfd.h:22:17:    expected struct wait_queue_head *wq_head
../include/linux/signalfd.h:22:17:    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:753:37: warning: incorrect type in argument 1 (different address spaces)
../include/linux/sched/signal.h:753:37:    expected struct spinlock [usertype] *lock
../include/linux/sched/signal.h:753:37:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:1303:9: warning: 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/gfp.h, ../include/linux/slab.h):
../include/linux/rcupdate.h:878:9: warning: 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:753:37: warning: incorrect type in argument 1 (different address spaces)
../include/linux/sched/signal.h:753:37:    expected struct spinlock [usertype] *lock
../include/linux/sched/signal.h:753:37:    got struct spinlock [noderef] __rcu *
../kernel/signal.c: note: in included file:
../include/linux/signalfd.h:21:13: warning: incorrect type in argument 1 (different address spaces)
../include/linux/signalfd.h:21:13:    expected struct wait_queue_head *wq_head
../include/linux/signalfd.h:21:13:    got struct wait_queue_head [noderef] __rcu *
../include/linux/signalfd.h:22:17: warning: incorrect type in argument 1 (different address spaces)
../include/linux/signalfd.h:22:17:    expected struct wait_queue_head *wq_head
../include/linux/signalfd.h:22:17:    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:753:37: warning: incorrect type in argument 1 (different address spaces)
../include/linux/sched/signal.h:753:37:    expected struct spinlock [usertype] *lock
../include/linux/sched/signal.h:753:37:    got struct spinlock [noderef] __rcu *
../kernel/signal.c: note: in included file (through ../include/linux/rbtree.h, ../include/linux/mm_types.h, ../include/linux/mmzone.h, ../include/linux/gfp.h, ../include/linux/slab.h):
../include/linux/rcupdate.h:878:9: warning: context imbalance in 'send_sigqueue' - different lock contexts for basic block
../kernel/signal.c:2095:40: warning: dereference of noderef expression
../kernel/signal.c:2095:40: warning: 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/uapi/linux/bpf_perf_event.h, ../include/linux/perf_event.h, ...):
../include/linux/ptrace.h:92:40: warning: incorrect type in argument 1 (different address spaces)
../include/linux/ptrace.h:92:40:    expected struct task_struct *p1
../include/linux/ptrace.h:92:40:    got struct task_struct [noderef] __rcu *real_parent
../include/linux/ptrace.h:92:60: warning: incorrect type in argument 2 (different address spaces)
../include/linux/ptrace.h:92:60:    expected struct task_struct *p2
../include/linux/ptrace.h:92:60:    got struct task_struct [noderef] __rcu *parent
../kernel/signal.c:2433:13: warning: context imbalance in 'do_signal_stop' - different lock contexts for basic block
../kernel/signal.c:2646:49: warning: dereference of noderef expression
../kernel/signal.c:2646:49: warning: dereference of noderef expression
../include/linux/ptrace.h:92:40: warning: incorrect type in argument 1 (different address spaces)
../include/linux/ptrace.h:92:40:    expected struct task_struct *p1
../include/linux/ptrace.h:92:40:    got struct task_struct [noderef] __rcu *real_parent
../include/linux/ptrace.h:92:60: warning: incorrect type in argument 2 (different address spaces)
../include/linux/ptrace.h:92:60:    expected struct task_struct *p2
../include/linux/ptrace.h:92:60:    got struct task_struct [noderef] __rcu *parent
../kernel/signal.c:2770:33: warning: context imbalance in 'get_signal' - unexpected unlock
../kernel/signal.c:4140:33: warning: dereference of noderef expression
../kernel/signal.c:4229:31: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:4229:31:    expected struct spinlock [usertype] *lock
../kernel/signal.c:4229:31:    got struct spinlock [noderef] __rcu *
../kernel/signal.c:4235:33: warning: incorrect type in argument 1 (different address spaces)
../kernel/signal.c:4235:33:    expected struct spinlock [usertype] *lock
../kernel/signal.c:4235:33:    got struct spinlock [noderef] __rcu *
../fs/eventpoll.c:619:9: warning: restricted __poll_t degrades to integer
../fs/eventpoll.c:619:9: warning: cast to restricted __poll_t
../fs/eventpoll.c:1385:53: warning: incorrect type in argument 3 (different base types)
../fs/eventpoll.c:1385:53:    expected unsigned int pollflags
../fs/eventpoll.c:1385:53:    got restricted __poll_t
../fs/namespace.c: note: in included file (through ../include/linux/mm_types.h, ../include/linux/mmzone.h, ../include/linux/gfp.h, ../include/linux/xarray.h, ../include/linux/list_lru.h, ../include/linux/fs.h, ...):
../include/linux/rbtree.h:209:21: warning: context imbalance in 'mnt_ns_tree_add' - wrong count at exit
../fs/namespace.c:162:9: warning: context imbalance in 'mnt_ns_tree_remove' - different lock contexts for basic block
../fs/namespace.c:199:29: warning: context imbalance in 'lookup_mnt_ns' - wrong count at exit
../fs/namespace.c:2068:22: warning: context imbalance in '__lookup_next_mnt_ns' - wrong count at exit
../fs/f2fs/file.c:3491:36: warning: incorrect type in argument 1 (different base types)
../fs/f2fs/file.c:3491:36:    expected unsigned short const [usertype] *pwcs
../fs/f2fs/file.c:3491:36:    got restricted __le16 *
../fs/f2fs/file.c:3527:28: warning: incorrect type in argument 4 (different base types)
../fs/f2fs/file.c:3527:28:    expected unsigned short [usertype] *pwcs
../fs/f2fs/file.c:3527:28:    got restricted __le16 *
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/block/rnull_mod.o
../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?