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Re: [PATCH] gcc mcount-nofp was Re: BUG: GCC-4.4.x changes the function frame on some functions
- From: "H. Peter Anvin" <hpa at zytor dot com>
- To: rostedt at goodmis dot org
- Cc: Andi Kleen <andi at firstfloor dot org>, Ingo Molnar <mingo at elte dot hu>, Linus Torvalds <torvalds at linux-foundation dot org>, Richard Guenther <richard dot guenther at gmail dot com>, Thomas Gleixner <tglx at linutronix dot de>, LKML <linux-kernel at vger dot kernel dot org>, Andrew Morton <akpm at linux-foundation dot org>, Heiko Carstens <heiko dot carstens at de dot ibm dot com>, feng dot tang at intel dot com, Fr??d??ric Weisbecker <fweisbec at gmail dot com>, Peter Zijlstra <peterz at infradead dot org>, jakub at redhat dot com, gcc at gcc dot gnu dot org
- Date: Fri, 20 Nov 2009 11:06:39 -0800
- Subject: Re: [PATCH] gcc mcount-nofp was Re: BUG: GCC-4.4.x changes the function frame on some functions
- 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> <alpine.LFD.2.00.0911190934070.2793@localhost.localdomain> <1258653562.22249.682.camel@gandalf.stny.rr.com> <84fc9c000911191003t244eb864o3d5b355ab5485f@mail.gmail.com> <alpine.LFD.2.00.0911191026420.2793@localhost.localdomain> <20091119184716.GA25458@elte.hu> <1258657614.22249.824.camel@gandalf.stny.rr.com> <87iqd54iz5.fsf_-_@basil.nowhere.org> <1258720459.22249.1018.camel@gandalf.stny.rr.com>
On 11/20/2009 04:34 AM, Steven Rostedt wrote:
>>
>> If there's interest I can polish it up and submit formally.
>
> I would definitely be interested, and I would also be willing to test
> it.
>
I don't think there is any question that interception at the
architectural entry point would be the right thing to do. As such, it
would be great to get this patch productized.
-hpa