Re: [PATCH RFC 0/3] riscv: Add DMA_COHERENT support

[Guo Ren]

On Wed, May 19, 2021 at 1:55 PM Christoph Hellwig <hch@xxxxxx> wrote:
>
> On Wed, May 19, 2021 at 01:48:23PM +0800, Guo Ren wrote:
> > The patchset just leaves a configuration chance for vendors. Before
> > RISC-V ISA fixes it, we should give the chance to let vendor solve
> > their real chip issues.
>
> No.  The vendors need to work to get a feature standardized before
> implementing it.  There is other way to have a sane kernel build that
> supports all the different SOCs.

I've said the patchset doesn't define any features, It just leaves the
chance for vendors.

It's not in conflict with any standardized riscv ISA.


-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/