Re: [PATCH] iommu/vt-d: Atomic breakdown of IOPT into finer granularity

[Jason Gunthorpe]

On Tue, Aug 15, 2023 at 02:41:24PM +0800, 季杰 wrote:

> We do not incorporate iommufd in our cloud infrastructure, and use classic
> vfio and iommu driver. Cloud vendor like Aliyun may use its own IOPF handler
> software, so we want this patch to be a generic fix in iommu layer, suitable
> for both iommufd and vendor-specific software.

There will not be support for any advanced features in legacy
vfio. All new things will be in iommufd only.

Jason