[PATCH RFC] soc: fujitsu: Add cache driver code

[tan.shaopeng at fujitsu.com]

Dear James Morse

> > Given that all of this is outside of the scope of the architecture, I
> > don't think that arch/arm64/ is the right place for it. Perhaps this
> > would fit into the resctrl rework that James has been doing for MPAM?
> 
> Indeed, that sounds like a good starting point. I don't understand enough about
> either of the two to be sure, but it sounds like there is some overlap in
> functionality, and ideally we would have one user interface that can deal with
> all the hardware implementations (intel, arm, fujitsu and any future ones).

According to my study, it seems possible to add A64FX's sector cache function
to resctrl. I heard you are working on resctrl rework for MPAM , 
but I cannot find related patches on ML archive. Therefore, 
I would like to know the status about MPAM support. 

(1) I think the first step is to support resctrl for ARM arch. 
   Have you finished the work of arm support and when will you release it? 
(2) When will you release MPAM patch?

Best regards
Tan Shaopeng