Hi Jacob,
On 2020/6/24 1:03, Jacob Pan wrote:
+int __iommu_sva_unbind_gpasid(struct iommu_domain *domain, struct device *dev,
+ struct iommu_gpasid_bind_data *data)
{
if (unlikely(!domain->ops->sva_unbind_gpasid))
return -ENODEV;
- return domain
Hi Jacob,
On 2020/6/24 1:03, Jacob Pan wrote:
Guest SVA unbind data can come from either kernel and user space, if a
either kernel or user space
user pointer is passed in, IOMMU driver must copy from data from user.
copy data from user
If the unbind data is assembled in kernel, data can
Guest SVA unbind data can come from either kernel and user space, if a
user pointer is passed in, IOMMU driver must copy from data from user.
If the unbind data is assembled in kernel, data can be trusted and
directly used. This patch creates a wrapper for unbind gpasid such that
user pointer can b
