linux-kernel - Re: Re: [PATCH 6/9][RFC] kprobes: Allow probe on ftrace reserved text (but move it)

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Message-ID: <1336394603.14207.117.camel@gandalf.stny.rr.com>
Date:	Mon, 07 May 2012 08:43:23 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Cc:	"Frank Ch. Eigler" <fche@...hat.com>, linux-kernel@...r.kernel.org,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	"H. Peter Anvin" <hpa@...or.com>, yrl.pp-manager.tt@...achi.com
Subject: Re: Re: [PATCH 6/9][RFC] kprobes: Allow probe on ftrace reserved
 text (but move it)

On Mon, 2012-05-07 at 20:37 +0900, Masami Hiramatsu wrote:

> By the way, there is another way to do that transparently which
> we add a "real_addr" member to struct kprobes and put the real
> probed address to the member (without changing kp->addr). This
> will keep API compatibility.

I like this a lot. Perhaps we don't need a flag at all, and just use
these two addrs instead?

-- Steve


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