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From: Andrew Morton <akpm@linux-foundation.org>
To: Paulo Marques <pmarques@grupopie.com>
Cc: linux-kernel@vger.kernel.org, compudj@krystal.dyndns.org,
	rusty@rustcorp.com.au
Subject: Re: [-mm PATCH] kallsyms should prefer non weak symbols
Date: Tue, 4 Dec 2007 13:17:46 -0800	[thread overview]
Message-ID: <20071204131746.ede01c65.akpm@linux-foundation.org> (raw)
In-Reply-To: <4755BA14.8060706@grupopie.com>

On Tue, 04 Dec 2007 20:35:32 +0000
Paulo Marques <pmarques@grupopie.com> wrote:

> When resolving symbol names from addresses with aliased symbol names, 
> kallsyms_lookup always returns the first symbol, even if it is a weak 
> symbol.
> 
> This patch changes this by sorting the symbols with the weak symbols 
> last before feeding them to the kernel. This way the kernel runtime 
> isn't changed at all, only the kallsyms build system is changed.
> 
> Another side effect is that the symbols get sorted by address, too. So, 
> even if future binutils version have some bug in "nm" that makes it fail 
> to correctly sort symbols by address, the kernel won't be affected by this.
> 
> 

I don't understand the reason for making this change.

  parent reply	other threads:[~2007-12-04 21:18 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-12-04 20:35 [-mm PATCH] kallsyms should prefer non weak symbols Paulo Marques
2007-12-04 21:14 ` Mathieu Desnoyers
2007-12-05 12:07   ` Paulo Marques
2007-12-04 21:17 ` Andrew Morton [this message]
2007-12-04 21:38   ` Mathieu Desnoyers
2007-12-04 21:34 ` Arjan van de Ven
2007-12-04 22:31   ` Mathieu Desnoyers
2007-12-05  9:37     ` Rusty Russell
2007-12-05  2:05 ` Rusty Russell
2007-12-05  3:09 ` Andrew Morton
2007-12-05  3:14 ` Andrew Morton
2007-12-05  5:01   ` Mathieu Desnoyers

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