linux-kernel - Re: [PATCH] x86: linker script syntax nits

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Message-ID: <4AD76A5A.4050806@zytor.com>
Date:	Thu, 15 Oct 2009 11:30:50 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Roland McGrath <roland@...hat.com>
CC:	Ingo Molnar <mingo@...e.hu>, Sam Ravnborg <sam@...nborg.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ian Lance Taylor <iant@...gle.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH] x86: linker script syntax nits

On 10/15/2009 11:26 AM, Roland McGrath wrote:
>> The other -- and somewhat less cantankerous way -- is to use a dummy symbol:
>>
>> #define LINUX_ASSERT(expr, name, string) name = ASSERT(expr, string)
>>
>> "name" would have to be unique for each instance.
> 
> I wouldn't like to pollute the symtabs with those useless symbols.
> 
> #define LINUX_ASSERT(expr, string) PROVIDE(_assert_bogon = ASSERT(expr, string))
> 
> works with a recent ld.  I don't know what the problematic old ld versions
> were.  Do you have such on hand to test?
> 
> Ian may have another suggestion.
> 

I don't remember how old they have to be... I think RHEL 4 timeframe,
though.

	-hpa
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