On Mon, Sep 25, 2023 at 9:50 PM Jason Gunthorpe [off-list ref] wrote:

On Sun, Sep 24, 2023 at 01:05:40AM +0800, Cindy Lu wrote:

quoted

This is just the work arround for vdpa, I Will
fix these problems in the next version.

Skip these 2 checks:
1.IOMMU_CAP_CACHE_COHERENCY check
2.iommu_group_get check

Uuh, something has gone really, really wrong if you need to skip these
checks in the core iommufd code..

there are problems in this code, I will continue working in this.
Thanks
Cindy

Jason