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From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>,
	akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
	Christoph Hellwig <hch@infradead.org>,
	Andrew Morton <akpm@osdl.org>, Mike Mason <mmlnx@us.ibm.com>,
	Dipankar Sarma <dipankar@in.ibm.com>,
	David Smith <dsmith@redhat.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Adrian Bunk <adrian.bunk@movial.fi>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [patch 1/4] Markers - depends on not PREEMPT_RCU
Date: Thu, 20 Mar 2008 12:49:41 -0700	[thread overview]
Message-ID: <20080320194941.GD9570@linux.vnet.ibm.com> (raw)
In-Reply-To: <20080320190335.GA12770@elte.hu>

On Thu, Mar 20, 2008 at 08:03:38PM +0100, Ingo Molnar wrote:
> 
> * Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> wrote:
> 
> > +++ linux-2.6-lttng/init/Kconfig	2008-03-19 18:27:43.000000000 -0400
> > @@ -742,6 +742,7 @@ config PROFILING
> >  
> >  config MARKERS
> >  	bool "Activate markers"
> > +	depends on !PREEMPT_RCU
> >  	help
> 
> Ugh, NACK. Please solve this properly... What kind of kernel 
> infrastructure is it what disables itself in the presence of another 
> piece of kernel infrastructure?

This is a reminder to me to get going on call_rcu_sched().  Until
I get that done and in, they don't have what they need to work
with preemptable RCU.  :-/

						Thanx, Paul

  reply	other threads:[~2008-03-20 19:50 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-20  0:27 [patch 0/4] Markers updates for 2.6.25-rc6 Mathieu Desnoyers
2008-03-20  0:27 ` [patch 1/4] Markers - depends on not PREEMPT_RCU Mathieu Desnoyers
2008-03-20 19:03   ` Ingo Molnar
2008-03-20 19:49     ` Paul E. McKenney [this message]
2008-03-20  0:27 ` [patch 2/4] Markers - Update preempt_disable. call_rcu, rcu_barrier comments Mathieu Desnoyers
2008-03-20  0:27 ` [patch 3/4] Markers - Remove ACCESS_ONCE Mathieu Desnoyers
2008-03-20  0:27 ` [patch 4/4] Markers Support for Proprierary Modules Mathieu Desnoyers
2008-03-20  5:35   ` Rusty Russell
2008-03-20 12:30     ` Mathieu Desnoyers
2008-03-20  8:38   ` Christoph Hellwig
2008-03-20 19:12   ` Ingo Molnar
2008-03-20 19:18     ` Jon Masters
2008-03-20 22:15       ` Ingo Molnar
2008-03-20 20:17     ` Frank Ch. Eigler
2008-03-20 22:05       ` Ingo Molnar
2008-03-20 22:24         ` Mathieu Desnoyers
2008-03-20 22:22     ` Mathieu Desnoyers

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