rwsem_is_contended identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 2 files as a function:

Referenced in 6 files:

Smatch caller information:

fs/proc/task_mmu.c mmap_lock_is_contended() -> rwsem_is_contended()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
LOCK2		&m->lock
LOCK2		&priv->lock_ctx.mm->mmap_lock
TYPE_LOCK		(struct mm_struct)->mmap_lock
TYPE_LOCK		(struct seq_file)->lock

drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c amdgpu_reset_pending() -> rwsem_is_contended()

Type	Parameter	Key	Value
PARAM_VALUE	0	sem	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&domain->sem

fs/btrfs/block-group.c load_extent_tree_free() -> rwsem_is_contended()

Type	Parameter	Key	Value
PARAM_VALUE	0	sem	4096-ptr_max
LOCK2		&caching_ctl->mutex
LOCK2		&fs_info->commit_root_sem
HALF_LOCKED2		&fs_info->commit_root_sem
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct btrfs_caching_control)->mutex
TYPE_LOCK		(struct btrfs_fs_info)->commit_root_sem

kernel/locking/rwsem.c __down_read_common() -> rwsem_is_contended()

Type	Parameter	Key	Value
PARAM_VALUE	0	sem	4096-ptr_max
BUF_SIZE	0	sem->dep_map.name	(-1),20
BUF_SIZE	0	sem->magic	(-1),160
DATA_SOURCE	0	sem	$0
STR_LEN	0	sem->dep_map.name	(-1),19
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING

kernel/locking/rwsem.c __down_read_common() -> rwsem_is_contended()

Type	Parameter	Key	Value
PARAM_VALUE	0	sem	4096-ptr_max
BUF_SIZE	0	sem->dep_map.name	(-1),20
BUF_SIZE	0	sem->magic	(-1),160
DATA_SOURCE	0	sem	$0
STR_LEN	0	sem->dep_map.name	(-1),19
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING

kernel/locking/rwsem.c __down_read_trylock() -> rwsem_is_contended()

Type	Parameter	Key	Value
PARAM_VALUE	0	sem	4096-ptr_max
BUF_SIZE	0	sem	(-1),160
BUF_SIZE	0	sem	(-1),160
DATA_SOURCE	0	sem	$0
PARAM_COMPARE	0	sem	!= $0->magic
PARAM_COMPARE	0	sem	!= $0->magic
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		l1

kernel/locking/rwsem.c __down_read_trylock() -> rwsem_is_contended()

Type	Parameter	Key	Value
PARAM_VALUE	0	sem	4096-ptr_max
BUF_SIZE	0	sem	(-1),160
BUF_SIZE	0	sem	(-1),160
DATA_SOURCE	0	sem	$0
PARAM_COMPARE	0	sem	!= $0->magic
PARAM_COMPARE	0	sem	!= $0->magic
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		l1

kernel/locking/rwsem.c __down_write_trylock() -> rwsem_is_contended()

Type	Parameter	Key	Value
PARAM_VALUE	0	sem	4096-ptr_max
CAPPED_DATA	0	sem	1
DATA_SOURCE	0	sem	$0
PARAM_COMPARE	0	sem	!= $0->magic
PARAM_COMPARE	0	sem	!= $0->magic
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING

kernel/locking/rwsem.c __down_write_trylock() -> rwsem_is_contended()

Type	Parameter	Key	Value
PARAM_VALUE	0	sem	4096-ptr_max
CAPPED_DATA	0	sem	1
DATA_SOURCE	0	sem	$0
PARAM_COMPARE	0	sem	!= $0->magic
PARAM_COMPARE	0	sem	!= $0->magic
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING

kernel/locking/rwsem.c __downgrade_write() -> rwsem_is_contended()

Type	Parameter	Key	Value
PARAM_VALUE	0	sem	4096-ptr_max
DATA_SOURCE	0	sem	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	sem->osq.tail.counter	0-s32max
HALF_LOCKED2		&card->controls_rwsem
HALF_LOCKED2		&con->sock_lock
HALF_LOCKED2		&ctx->rwsem
HALF_LOCKED2		&d->sem
HALF_LOCKED2		&device->client_data_rwsem
HALF_LOCKED2		&dvnode->validate_lock
HALF_LOCKED2		&group->mode_sem
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		&mdsc->snap_rwsem
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		&nilfs->ns_segctor_sem
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		&osdc->lock
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&rbd_dev->lock_rwsem
HALF_LOCKED2		&rdev->exclusive_lock
HALF_LOCKED2		&session->s_mutex
HALF_LOCKED2		&svms->lock
HALF_LOCKED2		&vm->lock
HALF_LOCKED2		&vnode->validate_lock
HALF_LOCKED2		b
HALF_LOCKED2		global &clients_rwsem
HALF_LOCKED2		global &devices_rwsem
HALF_LOCKED2		global &htable_rw_lock
HALF_LOCKED2		global &key_types_sem

kernel/locking/rwsem.c __downgrade_write() -> rwsem_is_contended()

Type	Parameter	Key	Value
PARAM_VALUE	0	sem	4096-ptr_max
DATA_SOURCE	0	sem	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	sem->osq.tail.counter	0-s32max
HALF_LOCKED2		&card->controls_rwsem
HALF_LOCKED2		&con->sock_lock
HALF_LOCKED2		&ctx->rwsem
HALF_LOCKED2		&d->sem
HALF_LOCKED2		&device->client_data_rwsem
HALF_LOCKED2		&dvnode->validate_lock
HALF_LOCKED2		&group->mode_sem
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		&mdsc->snap_rwsem
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		&nilfs->ns_segctor_sem
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		&osdc->lock
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&rbd_dev->lock_rwsem
HALF_LOCKED2		&rdev->exclusive_lock
HALF_LOCKED2		&session->s_mutex
HALF_LOCKED2		&svms->lock
HALF_LOCKED2		&vm->lock
HALF_LOCKED2		&vnode->validate_lock
HALF_LOCKED2		b
HALF_LOCKED2		global &clients_rwsem
HALF_LOCKED2		global &devices_rwsem
HALF_LOCKED2		global &htable_rw_lock
HALF_LOCKED2		global &key_types_sem

kernel/locking/rwsem.c __up_read() -> rwsem_is_contended()

Type	Parameter	Key	Value
PARAM_VALUE	0	sem	4096-ptr_max
CAPPED_DATA	0	sem	1
DATA_SOURCE	0	sem	$0
PARAM_COMPARE	0	sem	!= $0->magic
PARAM_COMPARE	0	sem	!= $0->magic
RX_PATH
TASK_NOT_RUNNING

kernel/locking/rwsem.c __up_read() -> rwsem_is_contended()

Type	Parameter	Key	Value
PARAM_VALUE	0	sem	4096-ptr_max
CAPPED_DATA	0	sem	1
DATA_SOURCE	0	sem	$0
PARAM_COMPARE	0	sem	!= $0->magic
PARAM_COMPARE	0	sem	!= $0->magic
RX_PATH
TASK_NOT_RUNNING

kernel/locking/rwsem.c __up_read() -> rwsem_is_contended()

Type	Parameter	Key	Value
PARAM_VALUE	0	sem	4096-ptr_max
CAPPED_DATA	0	sem	1
DATA_SOURCE	0	sem	$0
RX_PATH
TASK_NOT_RUNNING

kernel/locking/rwsem.c __up_read() -> rwsem_is_contended()

Type	Parameter	Key	Value
PARAM_VALUE	0	sem	4096-ptr_max
CAPPED_DATA	0	sem	1
DATA_SOURCE	0	sem	$0
RX_PATH
TASK_NOT_RUNNING

kernel/locking/rwsem.c __up_read() -> rwsem_is_contended()

Type	Parameter	Key	Value
PARAM_VALUE	0	sem	4096-ptr_max
CAPPED_DATA	0	sem	1
DATA_SOURCE	0	sem	$0
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING

kernel/locking/rwsem.c __up_read() -> rwsem_is_contended()

Type	Parameter	Key	Value
PARAM_VALUE	0	sem	4096-ptr_max
CAPPED_DATA	0	sem	1
DATA_SOURCE	0	sem	$0
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING

kernel/locking/rwsem.c __up_write() -> rwsem_is_contended()

Type	Key	Value
PARAM_VALUE	sem	4096-ptr_max
CAPPED_DATA	sem	1
DATA_SOURCE	sem	$0
PARAM_COMPARE	sem	!= $0->magic
PARAM_COMPARE	sem	!= $0->magic

kernel/locking/rwsem.c __up_write() -> rwsem_is_contended()

Type	Key	Value
PARAM_VALUE	sem	4096-ptr_max
CAPPED_DATA	sem	1
DATA_SOURCE	sem	$0
PARAM_COMPARE	sem	!= $0->magic
PARAM_COMPARE	sem	!= $0->magic

kernel/locking/rwsem.c __up_write() -> rwsem_is_contended()

Type	Key	Value
PARAM_VALUE	sem	4096-ptr_max
CAPPED_DATA	sem	1
DATA_SOURCE	sem	$0

kernel/locking/rwsem.c __up_write() -> rwsem_is_contended()

Type	Key	Value
PARAM_VALUE	sem	4096-ptr_max
CAPPED_DATA	sem	1
DATA_SOURCE	sem	$0

kernel/locking/rwsem.c up_read_non_owner() -> rwsem_is_contended()

Type	Parameter	Key	Value
PARAM_VALUE	0	sem	4096-ptr_max
DATA_SOURCE	0	sem	$0
RX_PATH
TASK_NOT_RUNNING

kernel/locking/rwsem.c up_read_non_owner() -> rwsem_is_contended()

Type	Parameter	Key	Value
PARAM_VALUE	0	sem	4096-ptr_max
DATA_SOURCE	0	sem	$0
RX_PATH
TASK_NOT_RUNNING

kernel/bpf/task_iter.c mmap_lock_is_contended() -> rwsem_is_contended()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
LOCK2		&seq->lock
TYPE_LOCK		(struct seq_file)->lock

fs/f2fs/node.c f2fs_rwsem_is_contended() -> rwsem_is_contended()

Type	Parameter	Key	Value
PARAM_VALUE	0	sem	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
LOCK2		&nm_i->nat_tree_lock.internal_rwsem
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		&sbi->cp_global_sem.internal_rwsem
HALF_LOCKED2		&sbi->cp_rwsem.internal_rwsem
HALF_LOCKED2		&sbi->gc_lock.internal_rwsem
HALF_LOCKED2		&src_inode->i_rwsem
TYPE_LOCK		(struct f2fs_rwsem)->internal_rwsem