linux-kernel - Re: [RFC PATCH -tip 2/9] ftrace/x86-64: support SAVE

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Message-ID: <1338377694.13348.304.camel@gandalf.stny.rr.com>
Date:	Wed, 30 May 2012 07:34:54 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Cc:	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	"Frank Ch. Eigler" <fche@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	yrl.pp-manager.tt@...achi.com
Subject: Re: [RFC PATCH -tip 2/9] ftrace/x86-64: support SAVE_REGS feature
 on x86-64

On Wed, 2012-05-30 at 15:39 +0900, Masami Hiramatsu wrote:

> BTW, that code which dynamically selects trace_caller on your
> ftrace-v2 tree, seems to be an uncompleted work. Would you
> already have done it?

I'll have to see where I left off. I'm a bit ADHD when it comes to some
of my projects. I work on them for a bit, then the next day I'll go work
on something else. Eventually all my projects get done (well, I like to
think they do ;-)

I'm currently working on a nasty bug that's in mainline when you enable
both LOCKDEP and FUNCTION_TRACING. I've been at it since Thursday (even
worked a bit over the US holiday here). I'm hoping I have a working
solution for it today. But I can't work on anything else till this is
complete.

After I get this bug fixed, I can take a look at the multi select code I
have.

Thanks,

-- Steve

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