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

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Message-ID: <87efvl75ts.fsf@concordia.ellerman.id.au>
Date:   Fri, 19 May 2017 15:50:55 +1000
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Pavel Machek <pavel@...x.de>,
        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,
        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

Pavel Machek <pavel@...x.de> writes:

> 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...

Or no one's even using it anymore.

I can take this via powerpc, I won't mark it for stable etc.

cheers