From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: linux-kernel@vger.kernel.org
Cc: mingo@elte.hu, laijs@cn.fujitsu.com, dipankar@in.ibm.com,
akpm@linux-foundation.org, mathieu.desnoyers@polymtl.ca,
josh@joshtriplett.org, dvhltc@us.ibm.com, niv@us.ibm.com,
tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org,
Valdis.Kletnieks@vt.edu, dhowells@redhat.com
Subject: [PATCH tip/core/rcu 0/2] rcu: further grace-period processing cleanups
Date: Thu, 12 Nov 2009 22:34:39 -0800 [thread overview]
Message-ID: <20091113063439.GA560@linux.vnet.ibm.com> (raw)
This patch set provides a couple of additional grace-period-processing
cleanups:
1. Propagate ->completed through the rcu_node hierarchy
when RCU goes idle to prevent an additional needless
grace period from being started.
2. Make force_quiescent_state() take a snapshot of ->gpnum-1
rather than ->completed for consistency with rcu_sched_qs()
and friends.
next reply other threads:[~2009-11-13 6:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-13 6:34 Paul E. McKenney [this message]
2009-11-13 6:35 ` [PATCH tip/core/rcu 1/2] rcu: accelerate callback processing on CPUs not detecting GP end Paul E. McKenney
2009-11-13 9:31 ` [tip:core/rcu] rcu: Accelerate " tip-bot for Paul E. McKenney
2009-11-13 6:35 ` [PATCH tip/core/rcu 2/2] rcu: simplify association of forced quiescent states with grace periods Paul E. McKenney
2009-11-13 9:31 ` [tip:core/rcu] rcu: Simplify " tip-bot for Paul E. McKenney
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