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

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On Wed, Oct 14, 2015 at 10:06:13AM +0200, Peter Zijlstra wrote:
> On Wed, Oct 14, 2015 at 08:51:34AM +0800, Boqun Feng wrote:
> > On Wed, Oct 14, 2015 at 11:10:00AM +1100, Michael Ellerman wrote:
> 
> > > Thanks for fixing this. In future you should send a patch like this as a
> > > separate patch. I've not been paying attention to it because I assumed it was
> > 
> > Got it. However, here is the thing, in previous version, this fix
> > depends on some of other patches in this patchset. So to make this fix
> > applied cleanly, I reorder my patchset to put this patch first, and the
> > result is that some of other patches in this patchset depends on
> > this(they need to remove code modified by this patch).
> > 
> > So I guess I'd better to stop Cc stable for this one, and wait until
> > this patchset merged and send a separate patch for -stable tree. Does
> > that work for you? I think this is what Peter want to suggests me to do
> > when he asked me about this, right, Peter?
> 
> I don't think I had explicit thoughts about any of that, just that it
> might make sense to have this patch not depend on the rest such that it
> could indeed be stuffed into stable.
> 

Got that. Sorry for misunderstanding you...

> I'll leave the details up to Michael since he's PPC maintainer.

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?

Regards,
Boqun

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