powerpc: Add support for userspace P9 copy paste

Fri Apr 29 00:22:59 AEST 2016

On Tue, 2016-26-04 at 00:28:50 UTC, Chris Smart wrote:
> The copy paste facility introduced in POWER9 provides an optimised
> mechanism for a userspace application to copy a cacheline. This is
> provided by a pair of instructions, copy and paste, while a third,
> cp_abort (copy paste abort), provides a clean up of the state in case of
> a failure.
...
> Signed-off-by: Chris Smart <chris at distroguy.com>
> Reviewed-by: Cyril Bur <cyrilbur at gmail.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/8a649045e75a4b9091ea9d041f

cheers