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    SubjectRe: [PATCH 03/14] x86: use dma-direct
    On Thu, 15 Mar 2018, Christoph Hellwig wrote:
    > On Thu, Mar 15, 2018 at 01:53:52PM +0100, Thomas Gleixner wrote:
    > > > > > The generic dma-direct implementation is now functionally equivalent to
    > > > > > the x86 nommu dma_map implementation, so switch over to using it.
    > > > >
    > > > > Can you please convert the various drivers first and then remove the
    > > > > unused code?
    > > >
    > > > Which various drivers?
    > > >
    > > > > > Note that the various iommu drivers are switched from x86_dma_supported
    > >
    > > The various iommu drivers ....
    >
    > It doesn't really make any sense to switch them separately. They've
    > inherited the ops from x86 which used to override it on an arch level,
    > and we've now generalized the exactly same implementation to common code.

    Fair enough.

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