linux-kernel - Re: [PATCH -tip tracing/kprobes 2/6] kprobes/x86-64: Allow to reenter probe on post

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Message-ID: <20090828043915.GD7220@in.ibm.com>
Date:	Fri, 28 Aug 2009 10:09:15 +0530
From:	Ananth N Mavinakayanahalli <ananth@...ibm.com>
To:	Masami Hiramatsu <mhiramat@...hat.com>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	lkml <linux-kernel@...r.kernel.org>,
	systemtap <systemtap@...rces.redhat.com>,
	DLE <dle-develop@...ts.sourceforge.net>
Subject: Re: [PATCH -tip tracing/kprobes 2/6] kprobes/x86-64: Allow to
	reenter probe on post_handler

On Thu, Aug 27, 2009 at 01:23:04PM -0400, Masami Hiramatsu wrote:
> Allow to reenter probe on the post_handler of another probe on x86-64,
> because x86-64 already allows reentering int3.
> In that case, reentered probe just increases kp.nmissed and returns.
> 
> Signed-off-by: Masami Hiramatsu <mhiramat@...hat.com>
> Cc: Frederic Weisbecker <fweisbec@...il.com>
> Cc: Ananth N Mavinakayanahalli <ananth@...ibm.com>
> Cc: Ingo Molnar <mingo@...e.hu>
> ---

Acked-by: Ananth N Mavinakayanahalli <ananth@...ibm.com>
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