Message-ID: <1368117277.7373.119.camel@gandalf.local.home>
Subject: Re: [PATCH 02/11] [BUGFIX] ftrace, kprobes: Fix a deadlock on
 ftrace_regex_lock
From: Steven Rostedt <rostedt@goodmis.org>
To: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: linux-kernel@vger.kernel.org,
        Srikar Dronamraju <srikar@linux.vnet.ibm.com>,
        Frederic Weisbecker <fweisbec@gmail.com>,
        yrl.pp-manager.tt@hitachi.com, Oleg Nesterov <oleg@redhat.com>,
        Ingo Molnar <mingo@redhat.com>, Tom Zanussi <tom.zanussi@intel.com>
Date: Thu, 09 May 2013 12:34:37 -0400
In-Reply-To: <1368116860.7373.118.camel@gandalf.local.home>
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	 <1368116860.7373.118.camel@gandalf.local.home>
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On Thu, 2013-05-09 at 12:27 -0400, Steven Rostedt wrote:

> We probably should have a better way to initialize this. As there are 26
> ftrace_ops currently in the kernel (and this patch doesn't cover all of
> them). Maybe have the first time its registered to initialize it.

Crap, but it can be used before that. Hmm, I guess all ftrace functions
will need to check that flag first. We do something similar for rt_mutex
in -rt.

-- Steve


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