atomic_long_try_cmpxchg identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

include/linux/atomic/atomic-instrumented.h, line 4416

Defined in 1 files as a function:

include/linux/atomic/atomic-instrumented.h, line 4431 (as a function)

Referenced in 19 files:

Smatch caller information:

io_uring/rsrc.c __io_account_mem() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	1751475298139521024
PARAM_VALUE	2	new	0-4503599627370495
CAPPED_DATA	2	new	1
RX_PATH
UNITS	2	new	unit_page
HALF_LOCKED2		&ctx->uring_lock

kernel/entry/common.c unwind_reset_info() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	1401492145688125440
PARAM_VALUE	2	new	0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

mm/swapfile.c add_to_avail_list() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	4075824949997199360
PARAM_VALUE	1	*old	0-4294967295
PARAM_VALUE	2	new	1073741824-5368709119
CAPPED_DATA	2	new	1
BIT_INFO	2	new	0x40000000,0xffffffff
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		global &swap_avail_lock
HALF_LOCKED2		&si->lock
HALF_LOCKED2		global &swap_lock

mm/swapfile.c del_from_avail_list() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	2318994525795917824
PARAM_VALUE	1	*old	0-4294967295
PARAM_VALUE	2	new	1073741824-5368709119
CAPPED_DATA	2	new	1
BIT_INFO	2	new	0x40000000,0xffffffff
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		global &swap_avail_lock
HALF_LOCKED2		&ci->lock
HALF_LOCKED2		&si->global_cluster_lock
HALF_LOCKED2		global &device_hotplug_lock
HALF_LOCKED2		global &system_transition_mutex

net/core/skbuff.c mm_account_pinned_pages() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	7334220749825212416
PARAM_VALUE	2	new	0-4503599627370495
CAPPED_DATA	2	new	1
CAPABLE	0	14
RX_PATH
TASK_NOT_RUNNING
UNITS	2	new	unit_page

mm/zswap.c zswap_shrinker_count() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	3755544511127392256
PARAM_VALUE	2	new	0-9223372036854775806
BUF_SIZE	0	v	8
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&m->lock

drivers/iommu/iommufd/pages.c incr_user_locked_vm() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	4092092991771197440
PARAM_VALUE	2	new	0-4503599627370495
CAPPED_DATA	2	new	1
RX_PATH
UNITS	2	new	unit_page
HALF_LOCKED2		&ictx->ioas_creation_lock
HALF_LOCKED2		&pages->mutex

kernel/ucount.c atomic_long_inc_below() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	1496547599177019392
PARAM_VALUE	1	*old	s64min-2147483646
PARAM_VALUE	2	new	(-9223372036854775807)-s32max
CAPPED_DATA	2	new	1
DATA_SOURCE	0	v	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&group->mark_mutex

kernel/printk/printk_ringbuffer.c _prb_commit() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	8568208861569654784
PARAM_VALUE	1	*old	0-4611686018427387903
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		e.irqflags
HALF_LOCKED2		irqflags

kernel/printk/printk_ringbuffer.c data_alloc() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	6930481050113691648
DATA_SOURCE	2	new	r get_next_lpos
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		e->irqflags
HALF_LOCKED2		irqflags

kernel/printk/printk_ringbuffer.c data_push_tail() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	4077458878392369152
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		e->irqflags
HALF_LOCKED2		irqflags

kernel/printk/printk_ringbuffer.c data_realloc() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	3865464208092422144
PARAM_VALUE	1	*old	s64min-0,3,8-s64max
DATA_SOURCE	2	new	r get_next_lpos
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	2	new	unit_byte
LOCK2		e->irqflags
LOCK2		irqflags

kernel/printk/printk_ringbuffer.c desc_reopen_last() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	4988204513999183872
PARAM_VALUE	1	*old	4611686018427387904-s64max
PARAM_VALUE	2	new	0-4611686018427387903
CAPPED_DATA	2	new	1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		e->irqflags
LOCK2		irqflags

kernel/printk/printk_ringbuffer.c desc_reserve() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	5230628965292457984
PARAM_VALUE	2	new	0-4611686018427387903
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		e->irqflags
HALF_LOCKED2		irq
HALF_LOCKED2		irqflags

kernel/printk/printk_ringbuffer.c desc_reserve() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	7325683828411396096
PARAM_VALUE	2	new	0-4611686018427387903
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		e->irqflags
HALF_LOCKED2		irq
HALF_LOCKED2		irqflags

fs/file_table.c file_ref_put_close() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	7414161574144356352
PARAM_VALUE	1	*old	0
PARAM_VALUE	2	new	(-2305843009213693952)
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

arch/x86/kernel/process.c unwind_reset_info() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	6665394786437787648
PARAM_VALUE	2	new	0
LOCK2		irq

mm/kasan/kasan_test_c.c kasan_atomics_helper() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	4096-ptr_max
PARAM_VALUE	2	new	42
DATA_SOURCE	0	v	$1
DATA_SOURCE	1	old	$2
NOCHECK_CALL

mm/kasan/kasan_test_c.c kasan_atomics_helper() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	4096-ptr_max
PARAM_VALUE	2	new	42
DATA_SOURCE	0	v	$2
DATA_SOURCE	1	old	$1
NOCHECK_CALL

arch/x86/kernel/cpu/mce/core.c unwind_reset_info() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	1945427598823342080
PARAM_VALUE	2	new	0

arch/x86/kernel/traps.c unwind_reset_info() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	9123686695838158848
PARAM_VALUE	2	new	0

lib/sbitmap.c __sbitmap_queue_get_batch() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	6205475200957702144
BUF_SIZE	0	v	8
RX_PATH
TASK_NOT_RUNNING

lib/sbitmap.c __sbitmap_queue_get_batch() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	6205475200957702144
BUF_SIZE	0	v	8
RX_PATH
TASK_NOT_RUNNING

kernel/printk/nbcon.c nbcon_emit_next_record() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	2187959437525630976
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		_T->flags
HALF_LOCKED2		flags

kernel/printk/nbcon.c nbcon_seq_try_update() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	8806490009770831872
PARAM_VALUE	1	*old	0
DATA_SOURCE	2	new	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		_T->flags
HALF_LOCKED2		flags

arch/x86/coco/sev/vc-handle.c unwind_reset_info() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	1799171066587774976
PARAM_VALUE	2	new	0

arch/x86/entry/syscall_32.c unwind_reset_info() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	5551628119017115648
PARAM_VALUE	2	new	0
LOCK2		irq

drivers/block/zram/zram_drv.c update_used_max() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	2555843663067082752
PARAM_VALUE	1	*old	s64min-(-2),0-s64max
PARAM_VALUE	2	new	s64min-(-1),1-s64max
DATA_SOURCE	2	new	$1
HALF_LOCKED2		&zstrm->lock

kernel/dma/swiotlb.c inc_used_and_hiwater_real() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	1833520320220000256
PARAM_VALUE	1	*old	s64min-(-2),0-s64max
PARAM_VALUE	2	new	s64min-(-1),1-s64max
DATA_SOURCE	2	new	r atomic_long_add_return
BIT_INFO	2	new	0x0,0x7fffffffffffffff

arch/x86/entry/syscall_64.c unwind_reset_info() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	4295016228825612288
PARAM_VALUE	2	new	0
LOCK2		irq

kernel/locking/rwsem.c rwsem_clear_reader_owned() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	2745872330469511168
PARAM_VALUE	2	new	0-3
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

kernel/locking/rwsem.c rwsem_set_nonspinnable() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	8268593127486734336
PARAM_VALUE	2	new	s64min-0,2-s64max
BIT_INFO	2	new	0x3,0xffffffffffffffff
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

drivers/tty/tty_ldsem.c __ldsem_wake_readers() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	1983854708724486144
PARAM_VALUE	1	*old	s64min-0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&sem->wait_lock
HALF_LOCKED2		irq
TYPE_LOCK		(struct ld_semaphore)->wait_lock

drivers/tty/tty_ldsem.c down_read_failed() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	*old	s64min-0
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		&sem->wait_lock
LOCK2		irq
TYPE_LOCK		(struct ld_semaphore)->wait_lock

drivers/tty/tty_ldsem.c down_write_failed() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		&sem->wait_lock
LOCK2		irq
TYPE_LOCK		(struct ld_semaphore)->wait_lock

drivers/tty/tty_ldsem.c ldsem_down_read_trylock() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	1492926828296495104
PARAM_VALUE	1	*old	0-s64max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&buf->lock
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&tty->atomic_write_lock
HALF_LOCKED2		&tty->ldisc_sem
HALF_LOCKED2		&tty->legacy_mutex
HALF_LOCKED2		&tty->termios_rwsem

drivers/tty/tty_ldsem.c writer_trylock() -> atomic_long_try_cmpxchg()

Type	Parameter	Key	Value
PARAM_VALUE	0	v	4096-ptr_max
PARAM_VALUE	1	old	1041065533356187648
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&sem->wait_lock
LOCK2		irq
TYPE_LOCK		(struct ld_semaphore)->wait_lock