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SubjectRe: [PATCH 2/6] iommu/amd: Implement DOMAIN_ATTR_GEOMETRY attribute
On Mon, Jan 30, 2012 at 4:49 PM, Joerg Roedel <> wrote:
> Hardware specific attributes are intended, but not limited to hardware
> specific drivers. A generic driver that _may_ run on a given hardware
> can use a hardware specific attribute too. If it doesn't run on this
> hardware it will just get -EINVAL back.

That sounds good.

But I'm still not sure what's the advantage of the attribute API on
top of regular, type-safe, dedicated API for every attribute: it
doesn't sound like there's a vast number of attributes, only a
handful, and dedicated API just sound (to me) much more readable and
less prone to error.

But, again, maybe it's only me :)


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