powerpc/lib: Use patch_site to patch copy_32 functions once cache is enabled

[Michael Ellerman]

On Thu, 2018-08-09 at 08:14:41 UTC, Christophe Leroy wrote:
> The symbol memcpy_nocache_branch defined in order to allow patching
> of memset function once cache is enabled leads to confusing reports
> by perf tool.
> 
> Using the new patch_site functionality solves this issue.
> 
> Signed-off-by: Christophe Leroy <christophe.leroy at c-s.fr>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/fa54a981ea7a852c145b05c95abba1

cheers