Re: [PATCH] video: fbdev: atyfb: only use ioremap_uc() on i386 and ia64

[Arnd Bergmann]

On Wed, Nov 13, 2019 at 8:27 AM Christoph Hellwig <hch@xxxxxx> wrote:
>
> On Tue, Nov 12, 2019 at 10:24:23PM +0000, Luis Chamberlain wrote:
> > I think this would be possible if we could flop ioremap_nocache() to UC
> > instead of UC- on x86. Otherwise, I can't see how we can remove this by
> > still not allowing direct MTRR calls.
>
> If everything goes well ioremap_nocache will be gone as of 5.5.

As ioremap_nocache() just an alias for ioremap(), I suppose the idea would
then be to make x86 ioremap be UC instead of UC-, again matching what the
other architectures do already.

      Arnd