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

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Date:   Tue, 10 Mar 2020 12:15:03 +0100
From:   Joerg Roedel <joro@...tes.org>
To:     Lu Baolu <baolu.lu@...ux.intel.com>
Cc:     ashok.raj@...el.com, jacob.jun.pan@...ux.intel.com,
        kevin.tian@...el.com, iommu@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org, Daniel Drake <drake@...lessm.com>,
        Derrick Jonathan <jonathan.derrick@...el.com>,
        Jerry Snitselaar <jsnitsel@...hat.com>,
        Robin Murphy <robin.murphy@....com>,
        Christoph Hellwig <hch@....de>
Subject: Re: [PATCH 0/6] Replace private domain with per-group default

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