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From: "H. Peter Anvin" <hpa@zytor.com>
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
Date: Thu, 15 Oct 2009 11:30:50 -0700	[thread overview]
Message-ID: <4AD76A5A.4050806@zytor.com> (raw)
In-Reply-To: <20091015182616.DFD875E6@magilla.sf.frob.com>

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

  reply	other threads:[~2009-10-15 18:33 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-14 22:10 [PATCH] x86: linker script syntax nits Roland McGrath
2009-10-14 22:35 ` H. Peter Anvin
2009-10-15  6:13   ` [tip:x86/urgent] Revert "x86: linker script syntax nits" tip-bot for Ingo Molnar
2009-10-16  5:28   ` [tip:x86/urgent] x86: Document linker script ASSERT() quirk tip-bot for Ingo Molnar
2009-10-15  3:30 ` [PATCH] x86: linker script syntax nits Sam Ravnborg
2009-10-15  6:38   ` Ingo Molnar
2009-10-15 17:17     ` H. Peter Anvin
2009-10-15 18:26       ` Roland McGrath
2009-10-15 18:30         ` H. Peter Anvin [this message]
2009-10-15 19:27         ` Sam Ravnborg
2009-10-15  6:18 ` Ingo Molnar

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