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d123849
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qsbr urcu: make it safe to call rcu_sychronize from a registered thread.
author
Pierre Habouzit
<madcoder@debian.org>
Tue, 15 Sep 2009 20:17:22 +0000
(16:17 -0400)
committer
Mathieu Desnoyers
<mathieu.desnoyers@polymtl.ca>
Tue, 15 Sep 2009 20:17:22 +0000
(16:17 -0400)
Else, since calling rcu_sychronize will increment urcu_gp_ctr, we will be
stupidly waiting for ourselves and deadlock.
No need to use _rcu_quiescent_state() since we are currently owning the
internal URCU lock, so the memory barriers and ACCESS_ONCE() are overkill.
Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
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