[RFC] Improving udelay/ndelay on platforms where that is possible

[Doug Anderson]

Hi,

On Tue, Oct 31, 2017 at 10:45 AM, Linus Torvalds
<torvalds at linux-foundation.org> wrote:
> So I'm very much open to udelay improvements, and if somebody sends
> patches for particular platforms to do particularly well on that
> platform, I think we should merge them. But ...

If I'm reading this all correctly, this sounds like you'd be willing
to merge <https://patchwork.kernel.org/patch/9429841/>.  This makes
udelay() guaranteed not to underrun on arm32 platforms.

-Doug