Date: Tue, 29 Jul 2008 19:01:00 -0400
From: "Frank Ch. Eigler" <fche@redhat.com>
To: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Rusty Russell <rusty@rustcorp.com.au>, linux-kernel@vger.kernel.org,
       akpm@linux-foundation.org
Subject: Re: module-placed markers/tracepoints
Message-ID: <20080729230100.GA27711@redhat.com>
References: <48862A30.7050701@qumranet.com> <y0mabg991c3.fsf@ton.toronto.redhat.com> <488635A7.2030609@qumranet.com> <20080722221204.GA14661@Krystal> <488C49CC.8040800@qumranet.com> <20080728005405.GA7941@Krystal> <20080729161836.GA10751@redhat.com> <20080729170151.GA24851@Krystal> <20080729211543.GB17097@redhat.com> <20080729224115.GA5209@Krystal>
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Hi -

On Tue, Jul 29, 2008 at 06:41:16PM -0400, Mathieu Desnoyers wrote:
> > Some locals are wondering -- is there code for (or need for new code
> > for) incrementing module reference counts while markers and/or
> > tracepoints resident in modules have active clients?
> 
> Probe module unloading is supposed to be done automatically assuming the
> following module unload behavior [...]

The question was more that if module-placed markers/tracepoints are
armed, is there any mechanism to prevent the modules' unloading.  For
kprobes, there is.

- FChE
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