Documented in 1 files:
Defined in 1 files as a function:
Referenced in 11 files:
- arch/arm64/kvm/hyp/nvhe/psci-relay.c, line 97
- arch/arm64/kvm/vgic/vgic-mmio-v3.c
- arch/x86/kvm/lapic.c, line 441
- arch/x86/kvm/svm/sev.c
- kernel/bpf/mmap_unlock_work.h, line 43
- kernel/locking/osq_lock.c, line 62
- kernel/printk/printk.c, line 5128
- kernel/rcu/tree.c, line 1617
- kernel/sched/rt.c, line 2182
- kernel/smp.c, line 318
- rust/helpers/atomic.c, line 407
Smatch caller information:
kernel/rcu/tree.c rcu_sr_get_wait_head() -> atomic_cmpxchg_acquire()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | old | 0 |
| PARAM_VALUE | 2 | new | 1 |
| PREEMPT_ADD | |||
| LOCK2 | &rnp->lock | ||
| LOCK2 | irq | ||
| TYPE_LOCK | (struct rcu_node)->lock |
lib/atomic64_test.c test_atomic() -> atomic_cmpxchg_acquire()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | v | 244908970501345280 |
| PARAM_VALUE | 0 | v->counter | (-1432153289) |
| PARAM_VALUE | 1 | old | (-1432153289) |
| PARAM_VALUE | 2 | new | (-559038737) |
lib/atomic64_test.c test_atomic() -> atomic_cmpxchg_acquire()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | v | 244908970501345280 |
| PARAM_VALUE | 0 | v->counter | (-1432153289) |
| PARAM_VALUE | 1 | old | 286335522 |
| PARAM_VALUE | 2 | new | (-559038737) |
kernel/bpf/stackmap.c bpf_mmap_unlock_guard_get() -> atomic_cmpxchg_acquire()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | v | 4096-ptr_max |
| PARAM_VALUE | 1 | old | 0 |
| PARAM_VALUE | 2 | new | 1 |
kernel/smp.c csd_lock_wait_toolong() -> atomic_cmpxchg_acquire()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | old | 1 |
| PARAM_VALUE | 2 | new | 0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING |
kernel/printk/printk.c __printk_cpu_sync_try_get() -> atomic_cmpxchg_acquire()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | v | 2428578465351639040 |
| PARAM_VALUE | 1 | old | (-1) |
| PARAM_VALUE | 2 | new | 0 |
| DATA_SOURCE | 2 | new | r debug_smp_processor_id |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | flags |
arch/x86/kvm/svm/sev.c sev_lock_two_vms() -> atomic_cmpxchg_acquire()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | v | 4096-ptr_max |
| PARAM_VALUE | 1 | old | 0 |
| PARAM_VALUE | 2 | new | 1 |
arch/x86/kvm/svm/sev.c sev_lock_two_vms() -> atomic_cmpxchg_acquire()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | v | 4096-ptr_max |
| PARAM_VALUE | 1 | old | 0 |
| PARAM_VALUE | 2 | new | 1 |
kernel/sched/build_policy.c rto_start_trylock() -> atomic_cmpxchg_acquire()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | v | 4096-ptr_max |
| PARAM_VALUE | 1 | old | 0 |
| PARAM_VALUE | 2 | new | 1 |
| DATA_SOURCE | 0 | v | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | irq | ||
| HALF_LOCKED2 | rq |
arch/x86/kvm/lapic.c kvm_recalculate_apic_map() -> atomic_cmpxchg_acquire()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | v | 4096-ptr_max |
| PARAM_VALUE | 1 | old | 2 |
| PARAM_VALUE | 2 | new | 1 |
| LOCK2 | &kvm->arch.apic_map_lock | ||
| HALF_LOCKED2 | &vcpu->mutex | ||
| TYPE_LOCK | (struct kvm_arch)->apic_map_lock |
kernel/bpf/task_iter.c bpf_mmap_unlock_guard_get() -> atomic_cmpxchg_acquire()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | v | 4096-ptr_max |
| PARAM_VALUE | 1 | old | 0 |
| PARAM_VALUE | 2 | new | 1 |
kernel/locking/osq_lock.c osq_wait_next() -> atomic_cmpxchg_acquire()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | v | 4096-ptr_max |
| PARAM_VALUE | 0 | v->counter | 1 |
| PARAM_VALUE | 1 | old | 1 |
| DATA_SOURCE | 1 | old | r encode_cpu |
| DATA_SOURCE | 2 | new | $2 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING |