linux-kernel - Re: [PATCH 2/2] kbuild: move KALLSYMS_EXTRA

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Date:	Mon, 04 Apr 2011 17:01:02 +0100
From:	Paulo Marques <pmarques@...popie.com>
To:	dedekind1@...il.com
CC:	Valdis.Kletnieks@...edu, Michal Marek <mmarek@...e.cz>,
	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] kbuild: move KALLSYMS_EXTRA_PASS from Kconfig to
 Makefile

Artem Bityutskiy wrote:
> On Mon, 2011-04-04 at 11:22 -0400, Valdis.Kletnieks@...edu wrote:
>> [...]
>> When was the last time we actually saw such a bug report?  I'm suspecting that
>> all the affected people just set the variable and get on with their lives.  So
>> we should either just make it automatic if that's what people are going to do,
>> or we rip the entire "EXTRA_PASS' stuff out forcibly and *make* people fix the
>> actual underlying issue that causes the extra pass to be needed...
> 
> I do not know when this bug was last seen, but I'd not remove this
> "extra pass" work around so far. WRT automatic fix-up - I do not have
> strong opinion here, but Paulo Marques pointed in another thread that
> due to various alignment issues the bug is tricky and may come back. So
> probably removing working code is not very wise. Thus, it seems the way
> I proposed in this patch is a good balance.
> 
> But anyway, if Michal Marek requests to change this, I'll do this (he is
> the Maintainer).

Doing a search on a mail archive for "Inconsistent kallsyms data"
results in a dozen or so threads, and the last one seems to be on alpha
in 2008.

Not very frequent for certain, but not in the "never been seen" category
either.

-- 
Paulo Marques - www.grupopie.com

"All I ask is a chance to prove that money can't make me happy."
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