[PATCH] AArch64: Add hp-timing.h

[Wilco Dijkstra]

Hi Florian,

> This commit would not be entirely accurate.  We install and ship the
> benchtests, so they need to use a stable ISA (and kernel ABI).
>
> If the benchtests are like the testsuite and are not intended to be
> installed and distributed, we probably need to make downstream changes.

Is this something distro specific? I don't see it in the GLIBC install directory after
"make install" or anywhere on my system. 

In any case, there is no ABI change here - cntvct_el0 is always allowed in userspace.

Cheers,
Wilco