On Monday 23 Nov 2020 at 13:22:23 (+0000), David Brazdil wrote:

Could you help my understand why we need this?
* Why do we need PI routines in the first place? Would my series that fixes
  relocations in hyp code remove the need?
* You added these aliases for the string routines because you were worried
  somebody would change the implementation in arch/arm64/lib, right? But this
  cache flush function is defined in hyp/nvhe. So why do we need to point to
  the PI alias if we control the implementation?

Right, in the specific case of the __flush_dcache_area() function none
of the PI stuff is really needed I think. I did it this way to keep
things as consistent as possible with the host-side implementation, but
that is not required.

I understand this can cause confusion, so yes, I'll simplify this for
v2.

Cheers,
Quentin

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