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SubjectRe: [v2,5/8] NUMA Hotplug emulator
On Tue, Nov 16, 2010 at 01:05:07PM +0800, Shaohui Zheng wrote:
> >
> > On Tue, Nov 16, 2010 at 12:13:30PM +0800, Shaohui Zheng wrote:
> > > >This looks like an incredibly painful interface. How about scrapping all
> > > >of this _emu() mess and just reworking the register_cpu() interface?
> > > > Something like:
> > >
> > > hi, Paul
> > > I saw your reply on patchwork.kernel.org, but I did not find your email
> > > in my mailbox, you might forget to cc to me.
> > >
> > Then fix your mailer. You are presently forcing Mail-Followup-To to the
> > list, which in turn is dropping you from the cc on a group reply.
>
> My mailer is mutt, and I did not configure "Mail-Follow-To", it should use the
> default value. I add "set followup_to=no" to my ~/muttrc file now.
>
> Hope it is got fixed, thanks you for your remind.
>
Yes, it's fixed now!

> > > I think that your register_cpu_node interface seems good, but this will
> > > remove the interface register_cpu. it is not the original purpose of the
> > > emulator, we want to emulate the oringal process, but we did not want to change
> > > the old interface, that is a rule.
> > >
> > Wait, what? How does my patch remove register_cpu()? It does no such
> > thing, all it does is add a supplemental register_cpu_node() for you to
> > call in to, without needing to carry any of the _emu() damage around. The
> > old interface has not been modified in any way whatsoever.
>
> I recheck your patch, It seems that I misunderstand it. with your function
> register_cpu_node, we can call it in arch_cpu_probe, and then we need not the _emu()
> any more. Our _emu() functions work, but it get thing complicated. :)
>
> I will rework patch 4 and patch 5 with your suggestion, thanks.
>
Perhaps the easiest is just to insert my patch in to your series as a
standalone thing and then build on top of it for your patches 4 and 5. If
you wish to do this, then you can of course add my Signed-off-by for
that.

Also, are you doing this development in a git tree somewhere? I'd like to
get it going on top of SH also, so it would be nice to have a point of
reference for keeping things in sync (otherwise I'll just make a topic
branch with your newest version and send you updates incrementally).


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