linux-kernel - Re: [PATCH 1/3] ftrace: Fix unmatching locking in ftrace_regex

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Message-ID: <20091103082610.GB4815@nowhere>
Date:	Tue, 3 Nov 2009 09:26:13 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Li Zefan <lizf@...fujitsu.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Steven Rostedt <rostedt@...dmis.org>,
	Jiri Olsa <jolsa@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] ftrace: Fix unmatching locking in
	ftrace_regex_write()

On Tue, Nov 03, 2009 at 08:55:38AM +0800, Li Zefan wrote:
>  # echo 'do_open : foo' > set_ftrace_filter
>  (still holding ftrace_regex_lock when returning to user space!)
> 
> Signed-off-by: Li Zefan <lizf@...fujitsu.com>


Acked-by: Frederic Weisbecker <fweisbec@...il.com>

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