linux-kernel - Re: [PATCH] powerpc/sequoia: fix NAND partitions not to overlap

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Message-ID: <20170518094813.GA12038@amd>
Date:   Thu, 18 May 2017 11:48:13 +0200
From:   Pavel Machek <pavel@...x.de>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     sr@...x.de, jwboyer@...ux.vnet.ibm.com, robh+dt@...nel.org,
        mark.rutland@....com, benh@...nel.crashing.org, paulus@...ba.org,
        mpe@...erman.id.au, devicetree@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        trivial@...nel.org, Andrew Morton <akpm@...l.org>
Subject: Re: [PATCH] powerpc/sequoia: fix NAND partitions not to overlap

On Wed 2017-05-17 14:37:17, Andrew Morton wrote:
> On Wed, 17 May 2017 14:06:13 +0200 Pavel Machek <pavel@...x.de> wrote:
> 
> > On Sun 2017-04-02 12:05:36, Pavel Machek wrote:
> > > Fix overlapping NAND partitions.
> > > 
> > > Signed-off-by: Pavel Machek <pavel@....cz>
> > 
> > Ping? Two partitions at same place are bad news...
> 
> Please expand on "bad news"?  What are the runtime effects of this
> change?  Decisions about which kernel(s) to patch depend on this info.

Well... two partitions at same place. If you use one, you will corrupt
information on the other one.

OTOH this moves partition around (so that they don't overlap) so it is
probably not stable candidate.

I guess this is not huge issue; people using these boards probably
have custom dts changes, anyway...

Best regards,

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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