Defined in 1 files as a prototype:
Defined in 2 files as a function:
- include/linux/sched/mm.h, line 569 (as a function)
- kernel/sched/membarrier.c, line 265 (as a function)
Referenced in 2 files:
Smatch caller information:
kernel/exit.c exit_mm() -> membarrier_update_current_mm()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | next_mm | 0 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &mm->mmap_lock | ||
| LOCK2 | irq | ||
| HALF_LOCKED2 | global &system_transition_mutex | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
kernel/kthread.c kthread_unuse_mm() -> membarrier_update_current_mm()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | next_mm | 0 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &tsk->alloc_lock | ||
| LOCK2 | irq | ||
| HALF_LOCKED2 | &access->ioas_lock | ||
| HALF_LOCKED2 | &iommu->lock | ||
| HALF_LOCKED2 | &iopt->iova_rwsem | ||
| HALF_LOCKED2 | &kvm->arch.xen.shinfo_cache.lock | ||
| HALF_LOCKED2 | &wq->uc_lock | ||
| TYPE_LOCK | (struct task_struct)->alloc_lock |
kernel/kthread.c kthread_use_mm() -> membarrier_update_current_mm()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | next_mm | 4096-ptr_max |
| PARAM_VALUE | 0 | next_mm->mmap_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | next_mm->mmap_lock.first_waiter->type | 0-1 |
| DATA_SOURCE | 0 | next_mm | $0 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 0 | next_mm | unit_byte |
| LOCK2 | &tsk->alloc_lock | ||
| LOCK2 | irq | ||
| HALF_LOCKED2 | &access->ioas_lock | ||
| HALF_LOCKED2 | &iommu->lock | ||
| HALF_LOCKED2 | &iopt->iova_rwsem | ||
| HALF_LOCKED2 | &kvm->arch.xen.shinfo_cache.lock | ||
| HALF_LOCKED2 | &wq->uc_lock | ||
| TYPE_LOCK | (struct task_struct)->alloc_lock |