[PATCH rdma-next 1/2] arm64/io: add memcpy_toio_64

[Jason Gunthorpe]

On Mon, Nov 27, 2023 at 06:43:11PM +0100, Niklas Schnelle wrote:

> Also it turns out the writeq() loop we had so far does not produce the
> needed 64 byte TLP on s390 either so this actually makes us newly pass
> this test.

Ooh, that is a significant problem - the userspace code won't be used
unless this test passes. So we need this on S390 to fix a bug as well
:\

Thanks,
Jason