[PATCH] ARC: mm: retire support for aliasing VIPT D$

[Andrew Morton]

On Sun, 13 Aug 2023 12:25:43 -0700 Vineet Gupta <vgupta at kernel.org> wrote:

> Legacy ARC700 processors (first generation of MMU enabled ARC cores) has
> VIPT cached which could be configured such that they could alias.
> I added the VIPT aliasing support, with all the cache flush overhead to
> support all but 1 silicon. That is long bygone and we can remove the
> complexity and maintenance burden of that unneeded code.
> 
> This also helps streamline support for new features such as generic folio
> work.
> 

This of course messes up Matthew's "arc: implement the new page table
range API".  Are you or Matthew up for redoing that patch?

Alternatively, can you redo this patch on top of Matthew's patch (ie,
against mm-unstable or linux-next)?

Thanks.