On 17/11/17 18:52, Jean-Philippe Brucker wrote:
[...]
> +struct viommu_domain {
> + struct iommu_domain domain;
> + struct viommu_dev *viommu;
> + struct mutex mutex;
> + unsigned int id;
> +
> + spinlock_t mappings_lock;
> + struct rb_root_cached mappings;
> +
> + /* Number of endpoints attached to this domain */
> + refcount_t endpoints;
Refcount_t is the wrong tool for this, I went back to an unsigned int (and
rebased onto v4.15-rc1), on branch virtio-iommu/base.
Thanks,
Jean
