On Tue, 25 Aug 2020 17:55:35 +1000, Nicholas Piggin wrote:
> The ISA v3.1 the copy-paste facility has a new memory move functionality
> which allows the copy buffer to be pasted to domestic memory (RAM) as
> opposed to foreign memory (accelerator).
>
> This means the POWER9 trick of avoiding the cp_abort on context switch if
> the process had not mapped foreign memory does not work on POWER10. Do the
> cp_abort unconditionally there.
>
> [...]
Applied to powerpc/next.
[1/1] powerpc/64s: handle ISA v3.1 local copy-paste context switches
https://git.kernel.org/powerpc/c/dc462267d2d7aacffc3c1d99b02d7a7c59db7c66
cheers
