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Date: Thu, 19 Nov 2009 16:13:00 -0000
From: "H. Peter Anvin" <hpa@zytor.com>
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CC: Andrew Haley <aph@redhat.com>, Thomas Gleixner <tglx@linutronix.de>,         Ingo Molnar <mingo@elte.hu>, LKML <linux-kernel@vger.kernel.org>,         Andrew Morton <akpm@linux-foundation.org>,         Heiko Carstens <heiko.carstens@de.ibm.com>, feng.tang@intel.com,         Fr??d??ric Weisbecker <fweisbec@gmail.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
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On 11/19/2009 08:02 AM, 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?
> 

Furthermore, it is nonsense -- ABI stack alignment on *32 bits* is 4
bytes, not 16.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.