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From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org
Subject: [patch 0/4] Markers updates for 2.6.25-rc6
Date: Wed, 19 Mar 2008 20:27:37 -0400	[thread overview]
Message-ID: <20080320002737.918213455@polymtl.ca> (raw)

Hi Andrew,

Here are a few updates for the kernel markers. One is particularity important :
the combined use of preempt_disable/enable() and call_rcu/rcu_barrier does not
mix well with PREEMPT_RCU. I added a depends !PREEMPT_RCU to the markers to this
configuration is not reached.

The proper fix will imply to implement call_sched and sched_barrier, but I don't
think it will appear before 2.6.25.

It applies on top of 2.6.25-rc6 on top of the make-marker_debug-static.patch
already in your tree in th following order :

markers-depends-on-not-preempt-rcu.patch
markers-add-comments.patch
markers-remove-access-once.patch
markers-support-for-proprietary-modules.patch

Mathieu

-- 
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68

             reply	other threads:[~2008-03-20  0:43 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-20  0:27 Mathieu Desnoyers [this message]
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
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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