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