linux-kernel - Re: [PATCH -tip ] [BUGFIX] perf probe: Add a workaround for GCC -mfentry

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Date:	Wed, 03 Oct 2012 22:12:15 +0900
From:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Ingo Molnar <mingo@...e.hu>,
	Steven Rostedt <rostedt@...dmis.org>,
	Michal Marek <mmarek@...e.cz>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
	Paul Mackerras <paulus@...ba.org>, systemtap@...rceware.org,
	yrl.pp-manager.tt@...achi.com
Subject: Re: [PATCH -tip ] [BUGFIX] perf probe: Add a workaround for GCC -mfentry

(2012/10/03 21:27), Andi Kleen wrote:
> On Wed, Oct 03, 2012 at 09:17:07PM +0900, Masami Hiramatsu wrote:
>> Add a workaround for GCC -mfentry option. This enables perf
>> probe to find function parameters(arguments) at given function
>> entry point again.
> 
> Could you please file a gcc PR about this?
> 

OK, filed as PR54793 :)
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54793

Thank you,

-- 
Masami HIRAMATSU
IT Management Research Dept. Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt@...achi.com


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