[PATCH v8 0/7] Add non-coherent DMA support for AX45MP

Christoph Hellwig hch at infradead.org
Sun Apr 16 23:53:17 PDT 2023


On Wed, Apr 12, 2023 at 09:32:30PM +0100, Conor Dooley wrote:
> On Wed, Apr 12, 2023 at 12:08:53PM +0100, Prabhakar wrote:
> 
> > Note,
> > - This series requires testing on Cores with zicbom and T-Head SoCs
> 
> As I said last time, I dunno what actual Zicbom stuff exists, other than
> perhaps the Ventana lads having something. I did some tyre kicking on my
> D1 and it was fine, although nothing has actually changed materially for
> either of them with this series in v8..

And as saying before, there is absolutely no reason to add non-standard
non-coherent DMA support and let this cancer creep.  If you want Linux
support implement Zicbom, be that in hardware or the SBI.



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