linux-kernel - Re: [PATCH 0/2] ftrace: fixes for PPC

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Message-ID: <alpine.DEB.1.10.0810201351130.5336@gandalf.stny.rr.com>
Date:	Mon, 20 Oct 2008 13:53:11 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Frédéric Weisbecker <fweisbec@...il.com>
cc:	Josh Boyer <jwboyer@...ux.vnet.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel@...r.kernel.org, David Miller <davem@...emloft.net>,
	linuxppc-dev@...abs.org, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 0/2] ftrace: fixes for PPC


On Mon, 20 Oct 2008, Fr?d?ric Weisbecker wrote:

> There are other arch that support ftrace as well like sh or sparc64
> (I'm currently working on
> an implementation for mips).
> So the choice would be better between waiting for a fix or disable
> dynamic ftrace
> on Kconfig only for PowerPC.

Hi Frederic,

I believe MIPS has the same issues as PPC. Doesn't it use a trampoline 
too?  I want to make the generic code handle trampolines a bit better. 
This is one of the problems with developing in x86. It avoids a lot of the 
issues that other archs might have.

-- Steve

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