linux-kernel - Re: [PATCH -v3] flat: fix data sections alignment

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Date:	Wed, 27 May 2009 17:16:31 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Paul Mundt <lethal@...ux-sh.org>
Cc:	jw@...ix.com, os@...ix.com, dhowells@...hat.com,
	rmk@....linux.org.uk, cooloney@...nel.org, geert@...ux-m68k.org,
	vapier.adi@...il.com, gerg@...inux.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH -v3] flat: fix data sections alignment

On Thu, 28 May 2009 09:08:02 +0900
Paul Mundt <lethal@...ux-sh.org> wrote:

> On Wed, May 27, 2009 at 01:43:57PM -0700, Andrew Morton wrote:
> > On Wed, 27 May 2009 13:49:56 +0200
> > Johannes Weiner <jw@...ix.com> wrote:
> > > On Tue, May 05, 2009 at 04:08:47PM +0200, Johannes Weiner wrote:
> > > > On Thu, Apr 09, 2009 at 04:25:53PM +0200, Johannes Weiner wrote:
> > > > > On Thu, Apr 02, 2009 at 01:53:43PM -0700, Andrew Morton wrote:
> > > > > Paul and Mike had complaints.  Paul acked the last revision.  Mike?
> > > > > We need this for upstream to compile on our configuration.
> > 
> > Who is Mike?
> > 
> > (A pox upon email clients which strip real names)
> > 
> > > > Can we get this merged?  Nobody complained.
> > > 
> > > <periodic echo-request>
> > > 
> > > What are the plans on this now?  I assume it drowned in other changes...
> > > Is it too late to get this in .30 now?
> > 
> > The patch had a fairly shaky start and it's been unclear to me that
> > everyone is happy with it and has tested it.
> > 
> >  arch/arm/include/asm/flat.h      |    3 --
> >  arch/blackfin/include/asm/flat.h |    1 
> >  arch/h8300/include/asm/flat.h    |    1 
> >  arch/m32r/include/asm/flat.h     |    1 
> >  arch/m68k/include/asm/flat.h     |    1 
> >  arch/sh/include/asm/flat.h       |    1 
> >  fs/binfmt_flat.c                 |   46 ++++++++++++++++++++++++++-------------
> > 
> > I guess ARM is the major architecture amongst that lot.  Have Russell
> > and co had a decent look through this?
> > 
> The problem here is that the ARM nommu people seem to have disappeared
> shortly after getting their changes merged. I see no activity within the
> kernel for ARM nommu since 2006.

heh, OK.  Oskar touched it last, so he's now ARM nommu maintainer.

> Given that xtensa has a need for this in
> its nommu port and people are working on it presently, there certainly
> has to be a limit to how far we go in allowing an outdated and
> effectively abandoned port from blocking progress. Perhaps Russell has a
> more optimistic outlook on the future of ARM nommu, though.
> 
> The only architectures in that list presently active in the linux nommu
> space in terms of development, support, and shipping products, are
> blackfin, m68k, and sh. This too has been the case for years. Microblaze
> has recently been added (which will also need the same change to its
> flat.h), and it seems the xtensa folks are at least presently willing to
> do more than the bare minimum to keep their port limping along.

OK, thanks, I'll send it in to Linus this week.
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