Re: [PATCH v2] dma-mapping: treat dev->bus_dma_mask as a DMA limit

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On Thu, Nov 21, 2019 at 05:02:17PM +0100, Christoph Hellwig wrote:
> On Thu, Nov 21, 2019 at 03:55:39PM +0000, Robin Murphy wrote:
> > Hmm, there's no functional dependency though, is there? AFAICS it's 
> > essentially just a context conflict. Is it worth simply dropping (or 
> > postponing) the local renaming in __dma_direct_optimal_gfp_mask(), or 
> > perhaps even cross-merging arm64/for-next/zone-dma into dma/for-next?
> 
> I would have no problem with pulling it in.  I'd kinda hate creating
> the conflict, though.  So if the arm64 maintainers are fine with it
> I'll pull it in, especially if I get an ACK from Robin.

Please go ahead and pull in our for-next/zone-dma branch if you need it.
We're not going to rebase it, and I suspect we won't even be queueing
anything else there at this stage in the game.

Cheers,

Will



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