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    SubjectRe: [PATCHv4 4/4] iommu: create new api to set valid da range
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    On Wed, Oct 20, 2010 at 6:22 PM, Guzman Lugo, Fernando
    <fernando.lugo@ti.com> wrote:
    >> On Wed, Oct 20, 2010 at 5:48 AM, Fernando Guzman Lugo
    >> <x0095840@ti.com> wrote:
    >> > Some IOMMUs cannot use the whole 0x0 - 0xFFFFFFFF range.
    >> > With this new API the valid range can be set.
    >> >
    >> > Signed-off-by: Fernando Guzman Lugo <x0095840@ti.com>
    >>
    >> I don't see the point in having an API. It could be done
    >
    > Thanks to this api we can make this:
    >
    > A new kconfig parameter for DMM size is added. Also DMM is
    > allocated in the last part of the IVA MMU capable address.
    > So that DMM address are far away of shared memory address
    > reducing the probability of shared memory corruption.

    Ok, that's why it's usually a good idea to send a patch that makes use
    of the new API.

    --
    Felipe Contreras


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