linux-kernel - Re: [GIT] kbuild and kconfig fixes for 2.6.37-rc5

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Message-ID: <AANLkTi=uMk74hYa-2aoVgj-F1h=+zGC2T=m4i__OwwQM@mail.gmail.com>
Date:	Mon, 6 Dec 2010 13:56:56 -0500
From:	Arnaud Lacombe <lacombar@...il.com>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	Catalin Marinas <catalin.marinas@....com>, trapdoor6@...il.com,
	Michal Marek <mmarek@...e.cz>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	brueckner@...ux.vnet.ibm.com, mchehab@...hat.com,
	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [GIT] kbuild and kconfig fixes for 2.6.37-rc5

Hi,

On Mon, Dec 6, 2010 at 1:03 PM, Randy Dunlap <randy.dunlap@...cle.com> wrote:
> On 12/06/10 10:01, Catalin Marinas wrote:
> [...]
>> This could be simplified to only show the first option of every '&&'
>> expression, something like below:
>>
>> warning: I2C_ISCH selects MFD_CORE...
>> warning: GPIO_SCH selects MFD_CORE...
>>
>> But I couldn't figure out whether the expression reduction code in
>> kbuild reorders the options or not.
>
This was the purpose of a patch I send a month or two ago, though, you
defeated it with cases the code was not taking into account. I updated
it since, but did not post it. I'll post it on linux-kbuild@ and
continue the discussion there.

> I'm pretty sure that I have seen cases where the faulty kconfig is not the
> first one listed, so all of them need to be available.
>
do you have an example ?

Thanks,
 - Arnaud
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