linux-kernel - Re: [-mm PATCH] kallsyms should prefer non weak symbols

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Message-Id: <200712052037.09425.rusty@rustcorp.com.au>
Date:	Wed, 5 Dec 2007 20:37:08 +1100
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Mathieu Desnoyers <compudj@...stal.dyndns.org>
Cc:	Arjan van de Ven <arjan@...radead.org>,
	Paulo Marques <pmarques@...popie.com>,
	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org
Subject: Re: [-mm PATCH] kallsyms should prefer non weak symbols

On Wednesday 05 December 2007 09:31:23 Mathieu Desnoyers wrote:
> * Arjan van de Ven (arjan@...radead.org) wrote:
> > On Tue, 04 Dec 2007 20:35:32 +0000
> >
> > Paulo Marques <pmarques@...popie.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.
> >
> > what user of this api is affected by this?
>
> grep -r kallsyms_lookup * does a pretty good job at it ;)

Yeah, we discussed this before and agreed it was best to show strong symbols 
before weak ones.

Cheers,
Rusty.
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