linux-kernel - Re: BUG: GCC-4.4.x changes the function frame on some functions

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Message-ID: <20091119161934.GD4967@nowhere>
Date:	Thu, 19 Nov 2009 17:19:36 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Andrew Haley <aph@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	feng.tang@...el.com, Peter Zijlstra <peterz@...radead.org>,
	jakub@...hat.com, gcc@....gnu.org
Subject: Re: BUG: GCC-4.4.x changes the function frame on some functions

On Thu, Nov 19, 2009 at 11:02:32AM -0500, Steven Rostedt wrote:
> On Thu, 2009-11-19 at 15:44 +0000, Andrew Haley wrote:
> > Thomas Gleixner wrote:
> 
> > We're aligning the stack properly, as per the ABI requirements.  Can't
> > you just fix the tracer?
> 
> And how do we do that? The hooks that are in place have no idea of what
> happened before they were called?
> 
> -- Steve


Yep, this is really something we can't fix from the tracer....

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