21 	struct rw_semaphore		group_lock;  member
197 	down_read(&container->group_lock);  in vfio_container_ioctl_check_extension()
235 	up_read(&container->group_lock);  in vfio_container_ioctl_check_extension()
272 	down_write(&container->group_lock);  in vfio_ioctl_set_iommu()
283 		up_write(&container->group_lock);  in vfio_ioctl_set_iommu()
328 	up_write(&container->group_lock);  in vfio_ioctl_set_iommu()
374 	init_rwsem(&container->group_lock);  in vfio_fops_open()
433 	lockdep_assert_held(&group->group_lock);  in vfio_container_attach_group()
438 	down_write(&container->group_lock);  in vfio_container_attach_group()
475 	up_write(&container->group_lock);  in vfio_container_attach_group()
484 	lockdep_assert_held(&group->group_lock);  in vfio_group_detach_container()
487 	down_write(&container->group_lock);  in vfio_group_detach_container()
509 	up_write(&container->group_lock);  in vfio_group_detach_container()
518 	lockdep_assert_held(&group->group_lock);  in vfio_device_assign_container()
534 	mutex_lock(&device->group->group_lock);  in vfio_device_unassign_container()
538 	mutex_unlock(&device->group->group_lock);  in vfio_device_unassign_container()