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Date: Tue, 17 Feb 2009 12:24:34 -0500 (EST)
From: Steven Rostedt <rostedt@goodmis.org>
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To: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
cc: Masami Hiramatsu <mhiramat@redhat.com>, Nick Piggin <npiggin@suse.de>,
       Peter Zijlstra <peterz@infradead.org>, akpm <akpm@linux-foundation.org>,
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       Ingo Molnar <mingo@elte.hu>,
       Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
       Jim Keniston <jkenisto@us.ibm.com>
Subject: Re: irq-disabled vs vmap vs text_poke
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On Tue, 17 Feb 2009, Mathieu Desnoyers wrote:
> > 
> 
> Anyway dynamic ftrace only need to do code patching at early boot,
> right? Or do you need also to patch the call sites a bit later too ?
> Because there is a text_poke_early for that purpose : modifying code
> when it is still writable.

It modifies the code both at early boot up, and when it is enabled later 
on at run time.

-- Steve