linux-kernel - Re: [PATCH] kbuild: reenable section mismatch analysis

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Message-ID: <AANLkTik7HwLs8Ux=THRy_-ByH4adebHodSLeEgSSqcsH@mail.gmail.com>
Date:	Thu, 10 Mar 2011 20:00:54 -0500
From:	Mike Frysinger <vapier.adi@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>, Michal Marek <mmarek@...e.cz>,
	Sam Ravnborg <sam@...nborg.org>, linux-kernel@...r.kernel.org,
	kernel@...gutronix.de, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] kbuild: reenable section mismatch analysis

2011/3/10 Andrew Morton :
> On Fri, 18 Feb 2011 21:47:20 +0100 Uwe Kleine-K__nig wrote:
>> This was disabled in commit
>>
>>       e5f95c8 (kbuild: print only total number of section mismatces found)
>>
>> because there were too many warnings.  Now we're down to a reasonable
>> number again, so we start scaring people with the details.
>>
>> --- a/lib/Kconfig.debug
>> +++ b/lib/Kconfig.debug
>> @@ -102,11 +102,7 @@ config HEADERS_CHECK
>>
>>  config DEBUG_SECTION_MISMATCH
>>       bool "Enable full Section mismatch analysis"
>> -     depends on UNDEFINED || (BLACKFIN)
>>       default y
>> -     # This option is on purpose disabled for now.
>> -     # It will be enabled when we are down to a reasonable number
>> -     # of section mismatch warnings (< 10 for an allyesconfig build)
>>       help
>>         The section mismatch analysis checks if there are illegal
>>         references from one section to another section.
>
> eaaaargh!  650 lines of crap added to my i386 allmodconfig build output.

and it's going to keep staying all f-ed up until people start seeing
this stuff themselves when they write the bad code
-mike
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