percpu_ref_kill_and_confirm identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

lib/percpu-refcount.c, line 366

Defined in 1 files as a prototype:

include/linux/percpu-refcount.h, line 129 (as a prototype)

Defined in 1 files as a function:

lib/percpu-refcount.c, line 383 (as a function)

Referenced in 7 files:

Smatch caller information:

mm/memcontrol.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		global &cgroup_mutex

drivers/md/md-llbitmap.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
NOCHECK_CALL
HALF_LOCKED2		&pool->lock

net/core/devmem.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&priv->lock
HALF_LOCKED2		&dev->lock
HALF_LOCKED2		global &cb_lock
TYPE_LOCK		(struct netdev_nl_sock)->lock

drivers/md/md.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&mddev->suspend_mutex
HALF_LOCKED2		&md->suspend_lock
HALF_LOCKED2		&of->mutex
TYPE_LOCK		(struct mddev)->suspend_mutex

mm/swapfile.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
CAPABLE	0	21
NOCHECK_CALL

drivers/dma/idxd/irq.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
NOCHECK_CALL
LOCK2		&wq->wq_lock
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct idxd_wq)->wq_lock

block/blk-mq.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	ref->percpu_count_ptr
LOCK2		&q->mq_freeze_lock
HALF_LOCKED2		&ctrl->srcu
TYPE_LOCK		(struct request_queue)->mq_freeze_lock

mm/backing-dev.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		global &cgwb_lock
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		flags
HALF_LOCKED2		global &cgroup_mutex
HALF_LOCKED2		irq

fs/aio.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		rcu_read

mm/zswap.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PARAM_VALUE	0	ref->data	0,4096-ptr_max
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&of->mutex

fs/nfsd/nfssvc.c nfsd_shutdown_net() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		global &nfsd_mutex

drivers/infiniband/sw/rdmavt/mr.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/dma/idxd/device.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&wq->wq_lock
TYPE_LOCK		(struct idxd_wq)->wq_lock

drivers/nvme/target/core.c nvmet_sq_destroy() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/nvme/target/core.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&buffer->mutex
HALF_LOCKED2		&frag->frag_sem
HALF_LOCKED2		global &nvmet_config_sem

drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
NOCHECK_CALL

io_uring/io_uring.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&ctx->uring_lock
TYPE_LOCK		(struct io_ring_ctx)->uring_lock

drivers/nvme/target/pr.c nvmet_pr_set_ctrl_to_abort() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	0-1025,1027-1029,1031-u64max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&pr->pr_sem
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct nvmet_pr)->pr_sem

kernel/bpf/cgroup.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
NOCHECK_CALL

kernel/cgroup/cgroup.c kill_css_finish() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PARAM_VALUE	0	ref->percpu_count_ptr	1-u64max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		global &cgroup_mutex

kernel/cgroup/cgroup.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		global &cgroup_mutex

drivers/infiniband/ulp/rtrs/rtrs-srv.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
NOCHECK_CALL
HALF_LOCKED2		&pool->lock

block/blk-cgroup.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&q->queue_lock
LOCK2		irq
HALF_LOCKED2		&blkcg->lock
HALF_LOCKED2		&q->blkcg_mutex
TYPE_LOCK		(struct request_queue)->queue_lock

drivers/target/target_core_transport.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&dev->delayed_cmd_lock
HALF_LOCKED2		flags

drivers/target/target_core_transport.c target_stop_cmd_counter() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

net/smc/smc_wr.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&lgr->llc_conf_mutex
HALF_LOCKED2		&pool->lock

mm/memremap.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&drm->dmem->mutex
HALF_LOCKED2		&mdevice->devmem_lock

kernel/bpf/trampoline.c percpu_ref_kill() -> percpu_ref_kill_and_confirm()

Type	Parameter	Key	Value
PARAM_VALUE	0	ref	4096-ptr_max
PARAM_VALUE	1	confirm_kill	0
DATA_SOURCE	0	ref	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		bh
HALF_LOCKED2		rcu