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    SubjectRE: [PATCH 8/9] dspbridge: add map support for big buffers

    > -----Original Message-----
    > From: Felipe Contreras []
    > Sent: Tuesday, August 24, 2010 5:09 AM
    > To: Guzman Lugo, Fernando
    > Cc: Kanigeri, Hari;;
    > Subject: Re: [PATCH 8/9] dspbridge: add map support for big buffers
    > On Fri, Jul 2, 2010 at 9:39 PM, Guzman Lugo, Fernando
    > <> wrote:
    > > I think, it would be good if we get rid of DMMPOOL size, if
    > the liked list grow up as it is needed, there is no memory
    > penalty of have all the possible iommu addresses valid
    > (11000000 - FFFFFFFF). The reservation will only fail when
    > there is no memory. If a software restriction is needed we
    > could define a start and end addresses for iommu module
    > (maybe as a parameter when the iommu handle for iva2 is got)
    > and that boundaries can be taking in account at the moment of
    > reserve the memory.
    > What happened to this?
    > IIUC what you are proposing is to remove the DMM pool
    > completely, that makes sense to me. However, is it really
    > needed to finish the iommu migration to do this?
    > > I think the reserve/unreserved dspbridge api can disappear
    > and just return the da address in the map function.
    > This is something I've proposed before, so I agree :)

    Yeah, that is how it will be. I have been busy with other stuffs, but now
    I have finish a version with all dmm module removed and reserve/unreserve
    Api removed as well. But because a the big # of patches merge in dspbrdge
    I have to rebase them to the latest, I hope finish this week and send
    Them again next week.


    > --
    > Felipe Contreras

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