Re: [PATCH 0/6] Replace private domain with per-group default

From: Joerg Roedel
Date: Tue Mar 10 2020 - 07:15:07 EST


Hi Baolu,

On Sat, Mar 07, 2020 at 02:20:08PM +0800, Lu Baolu wrote:
> Lu Baolu (5):
> iommu: Configure default domain with dev_def_domain_type
> iommu/vt-d: Don't force 32bit devices to uses DMA domain
> iommu/vt-d: Don't force PCI sub-hierarchy to use DMA domain
> iommu/vt-d: Add dev_def_domain_type callback
> iommu/vt-d: Apply per-device dma_ops
>
> Sai Praneeth Prakhya (1):
> iommu: Add dev_def_domain_type() callback in iommu_ops

I like this patch-set, but I fear some regressions from patch
"iommu/vt-d: Don't force 32bit devices to uses DMA domain". Have you
tested this series on a couple of machines, ideally even older ones from
the first generation of VT-d hardware?

Regards,

Joerg