On Mon, Dec 01, 2014 at 05:24:33PM +0800, Tiejun Chen wrote:
> intel_iommu_map_page() does nothing if VT-d shares EPT page table.
> So rmrr_identity_mapping() never create RMRR mapping but in some
s/So//
s/create/creates/
> cases like some GFX drivers it still need to access RMRR.
s/drivers .../
> From: Chen, Tiejun
> Sent: Monday, December 01, 2014 5:25 PM
>
> intel_iommu_map_page() does nothing if VT-d shares EPT page table.
> So rmrr_identity_mapping() never create RMRR mapping but in some
> cases like some GFX drivers it still need to access RMRR.
>
> Here we will create those RMRR m
intel_iommu_map_page() does nothing if VT-d shares EPT page table.
So rmrr_identity_mapping() never create RMRR mapping but in some
cases like some GFX drivers it still need to access RMRR.
Here we will create those RMRR mappings even in shared EPT case.
Signed-off-by: Tiejun Chen
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xen/drive
