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Re: [RFC PATCH v3 2/6] swiotlb: Add restricted DMA pool
- To: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>
- From: Christoph Hellwig <hch@xxxxxx>
- Date: Wed, 13 Jan 2021 13:37:21 +0100
- Cc: Christoph Hellwig <hch@xxxxxx>, Claire Chang <tientzu@xxxxxxxxxxxx>, robh+dt@xxxxxxxxxx, mpe@xxxxxxxxxxxxxx, benh@xxxxxxxxxxxxxxxxxxx, paulus@xxxxxxxxx, joro@xxxxxxxxxx, will@xxxxxxxxxx, frowand.list@xxxxxxxxx, konrad.wilk@xxxxxxxxxx, boris.ostrovsky@xxxxxxxxxx, jgross@xxxxxxxx, sstabellini@xxxxxxxxxx, m.szyprowski@xxxxxxxxxxx, robin.murphy@xxxxxxx, grant.likely@xxxxxxx, xypron.glpk@xxxxxx, treding@xxxxxxxxxx, mingo@xxxxxxxxxx, bauerman@xxxxxxxxxxxxx, peterz@xxxxxxxxxxxxx, saravanak@xxxxxxxxxx, rafael.j.wysocki@xxxxxxxxx, heikki.krogerus@xxxxxxxxxxxxxxx, andriy.shevchenko@xxxxxxxxxxxxxxx, rdunlap@xxxxxxxxxxxxx, dan.j.williams@xxxxxxxxx, bgolaszewski@xxxxxxxxxxxx, devicetree@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, tfiga@xxxxxxxxxxxx, drinkcat@xxxxxxxxxxxx
- Delivery-date: Wed, 13 Jan 2021 12:37:29 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Wed, Jan 13, 2021 at 01:29:05PM +0100, Greg KH wrote:
> > > Why does this have to be added here? Shouldn't the platform-specific
> > > code handle it instead?
> >
> > The whole code added here is pretty generic. What we need to eventually
> > do, though is to add a separate dma_device instead of adding more and more
> > bloat to struct device.
>
> I have no objections for that happening!
I'm pretty sure you agreed to it before in fact. Now someone just needs
to find the time to do this heavy lifting, where "someone" probably means
me.
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