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Re: [Xen-devel] [PATCH v6 2/2] amd/iommu: skip bridge devices when updating IOMMU page tables



On Tue, Nov 27, 2018 at 04:24:41PM +0100, Roger Pau Monne wrote:
> Bridges are not behind an IOMMU, and are already special cased and
> skipped in amd_iommu_add_device. Apply the same special casing when
> updating page tables.
> 
> This is required or else update_paging_mode will fail and return an
> error to the caller (amd_iommu_{un}map_page) which will destroy the
> domain.
> 
> Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

Acked-by: Brian Woods <brian.woods@xxxxxxx>

-- 
Brian Woods

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