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.