linux-kernel - Re: [PATCH 4/4] mm/hmm: exclude 64 bit arch that explicitly fail to work.

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Message-ID: <20170413120305.GT16239@windriver.com>
Date:   Thu, 13 Apr 2017 08:03:06 -0400
From:   Paul Gortmaker <paul.gortmaker@...driver.com>
To:     Michael Ellerman <mpe@...erman.id.au>
CC:     Stephen Rothwell <sfr@...b.auug.org.au>,
        <linux-kernel@...r.kernel.org>, <linux-next@...r.kernel.org>,
        Jérôme Glisse <jglisse@...hat.com>,
        Evgeny Baskakov <ebaskakov@...dia.com>,
        John Hubbard <jhubbard@...dia.com>,
        Mark Hairgrove <mhairgrove@...dia.com>,
        Sherry Cheung <SCheung@...dia.com>,
        Subhash Gutti <sgutti@...dia.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 4/4] mm/hmm: exclude 64 bit arch that explicitly fail to
 work.

[Re: [PATCH 4/4] mm/hmm: exclude 64 bit arch that explicitly fail to work.] On 13/04/2017 (Thu 15:12) Michael Ellerman wrote:

> Stephen Rothwell <sfr@...b.auug.org.au> writes:
> 
> > Hi Paul,
> >
> > On Wed, 12 Apr 2017 20:30:14 -0400 Paul Gortmaker <paul.gortmaker@...driver.com> wrote:
> >>
> >> Since ia64 and ppc64 don't set CONFIG_64BIT, they were already
> >> excluded by the original dependency.
> >
> > My powerpc ppc64_defconfig builds have CONFIG_64BIT set ...
> >
> > $ grep CONFIG_64BIT ~/next/powerpc_ppc64_defconfig/.config
> > CONFIG_64BIT=y
> 
> Yeah, arch/powerpc/Kconfig:
> 
> config 64BIT
> 	bool
> 	default y if PPC64

Yep, as I said to Stephen earlier in this thread, I think I mistakenly
searched for 64_BIT; unfortunately I can't tell since all history has is:

   16  make  O=../ppc-build/ pasemi_defconfig
   17  vi ../ppc-build/.config

Anyway, that mis-documentation in the commit log aside, it seems like
the driver has been pulled from the linux-next content for today;
presumably to be reworked and resubmitted with better arch coverage
to address all the issues raised here.  That is probably the right
approach - we don't need to pollute git history with all that..

Thanks,
Paul.
--

> 
> cheers