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SubjectRe: [PATCH RFC 0/3] riscv: Add DMA_COHERENT support
On Wed, May 19, 2021 at 2:06 PM Christoph Hellwig <hch@lst.de> wrote:
>
> On Wed, May 19, 2021 at 02:05:00PM +0800, Guo Ren wrote:
> > Since the existing RISC-V ISA cannot solve this problem, it is better
> > to provide some configuration for the SOC vendor to customize.
>
> We've been talking about this problem for close to five years. So no,
> if you don't manage to get the feature into the ISA it can't be
> supported.

arch/riscv/errata/ is also defined in riscv ISA?

--
Best Regards
Guo Ren

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

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