[PATCH] powerpc: Revert to default atomic ops in elision code

[Tulio Magno Quites Machado Filho]

"Paul E. Murphy" <murphyp@linux.vnet.ibm.com> writes:

> Power ISA 2.07B section B.5.5 relaxed the barrier requirement around a
> TLE enabled lock.  It is now identical to a traditional lock.
>
> 2015-08-07  Paul E. Murphy  <murphyp@linux.vnet.ibm.com>
>
> 	* sysdeps/unix/sysv/linux/powerpc/elision-lock.c
> 	(__arch_compare_and_exchange_val_32_acq): Remove and use common
> 	definition.  ISA 2.07B no longer requires full sync.

LGTM.

I'm pushing it.

Thanks!

-- 
Tulio Magno