linux-kernel - Re: [PATCH 33/36] autonuma: powerpc port

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Message-ID: <20120822230628.GL8107@redhat.com>
Date:	Thu, 23 Aug 2012 01:06:28 +0200
From:	Andrea Arcangeli <aarcange@...hat.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	Vaidyanathan Srinivasan <svaidy@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Hillf Danton <dhillf@...il.com>, Dan Smith <danms@...ibm.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, Paul Turner <pjt@...gle.com>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	Mike Galbraith <efault@....de>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Lai Jiangshan <laijs@...fujitsu.com>,
	Bharata B Rao <bharata.rao@...il.com>,
	Lee Schermerhorn <Lee.Schermerhorn@...com>,
	Rik van Riel <riel@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Christoph Lameter <cl@...ux.com>,
	Alex Shi <alex.shi@...el.com>,
	Mauricio Faria de Oliveira <mauricfo@...ux.vnet.ibm.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Don Morris <don.morris@...com>
Subject: Re: [PATCH 33/36] autonuma: powerpc port

Hi Benjamin,

On Thu, Aug 23, 2012 at 08:56:34AM +1000, Benjamin Herrenschmidt wrote:
> What I mean here is that it's fine as a proof of concept ;-) I don't
> like it being in a series aimed at upstream...
> 
> We can try to flush out the issues, but as it is, the patch isn't
> upstreamable imho.

Well there's no real urgency to merge the ppc64 support immediately. I
will move it at the end of the patchset. Until the ppc64 patch is
applied you simply cannot set AUTONUMA=y but there's no regression
whatsoever.

> As for finding PTE bits, I have a few ideas we need to discuss, but
> nothing simple I'm afraid.

Sure we can discuss it.
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