Re: [PATCH RESEND v3 1/6] powerpc: atomic: Make *xchg and *cmpxchg a full barrier

[Michael Ellerman]

On Wed, 2015-10-14 at 11:33 +0200, Peter Zijlstra wrote:
> On Wed, Oct 14, 2015 at 05:26:53PM +0800, Boqun Feng wrote:
> > Michael and Peter, rest of this patchset depends on commits which are
> > currently in the locking/core branch of the tip, so I would like it as a
> > whole queued there. Besides, I will keep this patch Cc'ed to stable in
> > future versions, that works for you both?
> 
> From my POV having the Cc stable in there is fine if Michael actually
> wants them to go there. GregKH will vacuum them up once they hit Linus'
> tree and we don't need to think about it anymore.

Yeah that's fine by me. Here's an Ack if you want one:

Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>

> Alternatively, Michael could put the patch in a separate branch and we
> could both merge that.
> 
> Or even, seeing how its a single patch and git mostly does the right
> thing, we could just merge it independently in both trees and let git
> sort it out at merge time.

That probably would work, but I don't think it's necessary.

My tree doesn't get much (or any) more testing than linux-next, so as long as
locking/core is in linux-next then it will be tested just fine that way.

cheers


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