[PATCH] Remove support for lock elision.

[Wilco Dijkstra]

Hi Stefan,

>> Looks good to me. I am not fully sure about Intel's plan support to HLE/RTM (it
>> seems that it is still supportted on some specific chip lines), but I think
>> the fact we had any development in tuning shows that this is a very niche
>> feature that is not really used extensivelly.

Transactional memory looks dead - I don't believe anyone got it working well
(it's turned off in many cores). It was recently obsoleted in AArch64 as well [1].

> Just to be sure, is this "Looks good to me" the okay to commit the
> patch? Or do we need further review?

The patch is OK and a major simplification which should make it easier to make
further improvements. Since nobody has objected, it's fine to commit.

Reviewed-by: Wilco Dijkstra  <Wilco.Dijkstra@arm.com>

Cheers,
Wilco

[1] https://developer.arm.com/documentation/111110/latest/