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Date: Thu, 19 Nov 2009 16:20:00 -0000
From: Frederic Weisbecker <fweisbec@gmail.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Andrew Haley <aph@redhat.com>, Thomas Gleixner <tglx@linutronix.de>, 	Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>, 	LKML <linux-kernel@vger.kernel.org>, 	Andrew Morton <akpm@linux-foundation.org>, 	Heiko Carstens <heiko.carstens@de.ibm.com>, feng.tang@intel.com, 	Peter Zijlstra <peterz@infradead.org>, jakub@redhat.com, 	gcc@gcc.gnu.org
Subject: Re: BUG: GCC-4.4.x changes the function frame on some functions
Message-ID: <20091119161934.GD4967@nowhere>
References: <alpine.LFD.2.00.0911181933540.24119@localhost.localdomain> <tip-887a29f59b93cf54e21814869a4ab6e80b6fa623@git.kernel.org> <20091119072040.GA23579@elte.hu> <alpine.LFD.2.00.0911191053390.24119@localhost.localdomain> <alpine.LFD.2.00.0911191423190.24119@localhost.localdomain> <alpine.LFD.2.00.0911191607440.24119@localhost.localdomain> <4B0567E0.5080803@redhat.com> <1258646552.22249.493.camel@gandalf.stny.rr.com>
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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....