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Defined in 1 files as a function:

Referenced in 3 files:

Smatch caller information:

drivers/iommu/iommufd/device.c iommufd_access_notify_unmap() -> iommufd_lock_obj()

Type Parameter Key Value
PARAM_VALUE 0 obj 0-1025,1027-1029,1031-u64max
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 &(&ioas->iopt.access_list)->xa_lock

drivers/iommu/iommufd/device.c iommufd_device_auto_get_domain() -> iommufd_lock_obj()

Type Parameter Key Value
LOCK2 &ioas->mutex
HALF_LOCKED2 &vdev->dev_set->lock
TYPE_LOCK (struct iommufd_ioas)->mutex

drivers/iommu/iommufd/vfio_compat.c get_compat_ioas() -> iommufd_lock_obj()

Type Parameter Key Value
PARAM_VALUE 0 obj 1-u64max
PREEMPT_ADD <- disables preempt
LOCK2 &(&ictx->objects)->xa_lock
HALF_LOCKED2 &vdev->dev_set->lock
HALF_LOCKED2 &vdev->group->group_lock

drivers/iommu/iommufd/vfio_compat.c iommufd_vfio_compat_ioas_create() -> iommufd_lock_obj()

Type Parameter Key Value
PARAM_VALUE 0 obj 1-u64max
PREEMPT_ADD <- disables preempt
LOCK2 &(&ictx->objects)->xa_lock
LOCK2 &group->group_lock
TYPE_LOCK (struct vfio_group)->group_lock

drivers/iommu/iommufd/main.c iommufd_get_object() -> iommufd_lock_obj()

Type Parameter Key Value
PARAM_VALUE 0 obj 1-1025,1027-1029,1031-u64max
DATA_SOURCE 0 obj r xa_load
PREEMPT_ADD <- disables preempt
LOCK2 &(&ictx->objects)->xa_lock
HALF_LOCKED2 &access->ioas_lock