Subject: Re: [RFC PATCH V3 09/11] HV/IOMMU: Enable swiotlb bounce buffer for Isolation VM

From: Christoph Hellwig <[email-masked]>
Date: Mon, 7 Jun 2021 08:44:53 +0200

Honestly, we really need to do away with the concept of hypervisor-
specific swiotlb allocations and just add a hypervisor hook to remap the
"main" buffer. That should remove a lot of code and confusion not just
for Xen but also any future addition like hyperv.