Re: [PATCH, for-4.19] dma-mapping: add the missing ARCH_HAS_SYNC_DMA_FOR_CPU_ALL declaration

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On Sat, Sep 22, 2018 at 12:24:33PM -0700, Florian Fainelli wrote:
> >My thought would be that it would be ideal to fix in 4.19 since that's
> >where the breakage is, but having said that I don't have much insight
> >into how bad the breakage is for the affected systems.
> 
> 
> AFAIR, DMA corruption is typically what you would observe, which could prove difficult if you are not exactly looking for it. In any case, I don't have a BMIPS system running 4.19 right now to exercise this on, but this looks correct:

Well, I originally intended it for 4.19, but without reviews from
the affected maintainers I'd fell bad about it.  Now that we've got
agreement I'll queue it for 4.19.


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