Build failures in -next due to 'locking/atomic, arch/arc: Implement atomic_fetch_{add,sub,and,andnot,or,xor}()'

[Vineet Gupta]

On Friday 17 June 2016 05:22 PM, Peter Zijlstra wrote:
> Question; why does atomic_read() have a full memory clobber on arc?
> 
> Will thinks its because you don't use a memory constraint for *v.

So that is only for CONFIG_ARC_PLAT_EZNPS and very liekly not needed. Although NPS
has some design constraints which Noam knows of better !