linux-kernel - Re: [RFC PATCH 02/11] Add fastcall to do

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Message-ID: <Pine.LNX.4.58.0801031246220.4826@gandalf.stny.rr.com>
Date:	Thu, 3 Jan 2008 12:47:07 -0500 (EST)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
cc:	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Christoph Hellwig <hch@...radead.org>,
	Gregory Haskins <ghaskins@...ell.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	"William L. Irwin" <sparclinux@...r.kernel.org>,
	Steven Rostedt <srostedt@...hat.com>
Subject: Re: [RFC PATCH 02/11] Add fastcall to do_IRQ for i386



On Thu, 3 Jan 2008, Mathieu Desnoyers wrote:
>
> I would propose to try to see how we can #ifdef two different __mcount
> assembly functions that would prepare the stack appropriately for each
> REGPARM cases.
>

I have to confess that I've been testing this mostly on x86_64, which
doesn't have the troubles with REGPARM as i386 does. I'll need to
investigate this a bit deeper on i386 alone.

-- Steve

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