Re: [PATCH] locking/xchg/alpha: Remove memory barriers from the _local() variants

From: Andrea Parri
Date: Wed Feb 28 2018 - 06:26:22 EST


On Wed, Feb 28, 2018 at 10:58:11AM +0000, Will Deacon wrote:
> On Tue, Feb 27, 2018 at 09:08:31PM +0100, Andrea Parri wrote:
> > [+ Will]
> >
> > I'm not sure how this happened; Will, you at least figure as Reported-by: ;-)
>
> Thanks, this looks better to me. Have you build an Alpha kernel to check
> that the various cmpxchg variants are producing the expected asm?

Indeed. Compile tested (only).

Andrea


>
> Will