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From: Ingo Molnar <mingo@elte.hu>
To: Anton Blanchard <anton@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Paul Mackerras <paulus@samba.org>,
	Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
	emunson@mgebm.net, linux-kernel@vger.kernel.org,
	amodra@gmail.com
Subject: Re: [PATCH] perf: Fix symbol resolution on old ppc64 ABI
Date: Mon, 25 Jul 2011 14:36:37 +0200	[thread overview]
Message-ID: <20110725123636.GA28530@elte.hu> (raw)
In-Reply-To: <20110725223232.4e2dce43@kryten>


* Anton Blanchard <anton@samba.org> wrote:

> Hi Ingo,
> 
> > > It would cover most cases. There would be an issue with 
> > > functions that are less than 24 bytes in length (ie 6 
> > > instructions). Tiny functions are probably rare enough that we 
> > > can live with it.
> > 
> > Do such tiny functions get packed tightly, below 24 bytes? 
> > Another sanitization pass could solve that issue, to trim 
> > partially overlapping symbol regions, right?
> 
> That would work I think. Should I cook up a patch?

Yeah, would be nice - if Arnaldo agrees with the approach too.

Thanks,

	Ingo

      reply	other threads:[~2011-07-25 12:38 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-25  4:23 [PATCH] perf: Fix symbol resolution on old ppc64 ABI Anton Blanchard
2011-07-25  6:25 ` Ingo Molnar
2011-07-25 10:48   ` Anton Blanchard
2011-07-25 10:50     ` Ingo Molnar
2011-07-25 12:32       ` Anton Blanchard
2011-07-25 12:36         ` Ingo Molnar [this message]

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