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Re: [Xen-devel] [PATCH v2 3/4] amd-iommu: disable iommu_hap_pt_share with AMD IOMMUs

To: "Roger Pau Monne" <roger.pau@xxxxxxxxxx>
From: "Jan Beulich" <JBeulich@xxxxxxxx>
Date: Wed, 23 Apr 2014 10:57:47 +0100
Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, Xiantao Zhang <xiantao.zhang@xxxxxxxxx>, Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>
Delivery-date: Wed, 23 Apr 2014 09:57:53 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

>>> On 23.04.14 at 10:16, <roger.pau@xxxxxxxxxx> wrote:
> According to the comment in p2m.h, AMD IOMMUs don't work correctly
> with page types different than p2m_ram_rw when the p2m is shared
> between HAP and IOMMU, so disable this sharing when using AMD IOMMUs.

Doesn't this need to go before patch 2?

Jan


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References:
- [Xen-devel] [PATCH v2 0/4] Fix grant map/unmap with auto-translated guests
  - From: Roger Pau Monne
- [Xen-devel] [PATCH v2 3/4] amd-iommu: disable iommu_hap_pt_share with AMD IOMMUs
  - From: Roger Pau Monne

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