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Re: [Xen-devel] [PATCH v8 4/4] xen/arm: grant: Add another entry to map MFN 1:1 in dom0 p2m

On 05/21/2014 02:51 PM, Ian Campbell wrote:
> On Wed, 2014-05-21 at 14:42 +0100, Julien Grall wrote:
>>> Is gnttab the only possible user?
>> For ARM yes.
> [...]
>> The iommu_map_page could be reuse more generically in long-term. Using
>> p2m_grant_map_{ro,rw} would be confusing here.
> BTW, those statements contradict each other.

Right. This function could also be used if we want to support per-IOMMU
p2m rather than sharing with the CPU.

Julien Grall

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