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From"Yu, Fenghua" <>
DateThu, 18 Jun 2009 11:28:06 -0700
SubjectRE: [PATCH 1/2] IOMMU Identity Mapping Support: iommu_identity_mapping definition
>>
>> The first patch defines iommu_identity_mapping varialbe which controls
>the
>> identity mapping code and is 0 by default.
>
>The only real difference between "pt" and "identity" is hardware support.
>We should have a single value we don't have to tell users to do different
>things depending on their hardware (they won't even know what they have)
>to achieve the same result.

Technically keeping two separate options in base kernel might be clear and easy to understand. A distro might merge them together or have other usage model.

Thanks.

-Fenghua


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