virtio-gpu without ARCH_HAS_SG_CHAIN

[Michael Forney]

On 2018-10-29, David Abdurachmanov <david.abdurachmanov at gmail.com> wrote:
> On Mon, Oct 29, 2018 at 8:47 PM Michael Forney <mforney at mforney.org> wrote:
>>
>> - Should riscv support ARCH_HAS_SG_CHAIN?
>
> Non-expert here, but it looks like ARCH_HAS_SG_CHAIN
> support is generic, and a number of well known architectures
> support it.
>
> So it's basically two line patch someone needs to send and
> at least make a test by building the kernel. I can do that if you want.

If that's all there is to it, then yeah, that would be appreciated. Thanks!

Though, I assume there's *some* architecture-specific consideration
that needs to be done, since it has to be selected on each
architecture that supports it.