From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org, 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: Re: [PATCH tip/core/rcu 0/2] RCU force_quiescent_state() fix and dyntick cleanup
Date: Thu, 29 Oct 2009 07:10:18 -0700 [thread overview]
Message-ID: <20091029141018.GA6897@linux.vnet.ibm.com> (raw)
In-Reply-To: <20091029090537.GB22963@elte.hu>
On Thu, Oct 29, 2009 at 10:05:37AM +0100, Ingo Molnar wrote:
>
> * Paul E. McKenney <paulmck@linux.vnet.ibm.com> wrote:
>
> > This patch series contains a cleanup and a fix:
> >
> > o Code cleanup from Lai Jiangshan that makes the calls to
> > rcu_irq_enter() and rcu_irq_exit() more obviously correct.
> > The previous code worked because rcu_irq_exit() is always
> > an empty function if !NO_HZ.
>
> Can go via tip:core/rcu, agreed?
Agreed.
> > o Fix a low-probability race in the TREE_RCU infrastructure
> > that can be triggered by extremely long grace periods.
>
> Should go via tip:core/urgent as it's a fix for .32, agreed?
Also agreed.
Thanx, Paul
prev parent reply other threads:[~2009-10-29 14:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-28 15:14 [PATCH tip/core/rcu 0/2] RCU force_quiescent_state() fix and dyntick cleanup Paul E. McKenney
2009-10-28 15:14 ` [PATCH tip/core/rcu 1/2] rcu: cleanup: balance rcu_irq_enter()/rcu_irq_exit() calls Paul E. McKenney
2009-11-02 16:18 ` [tip:core/rcu] rcu: Cleanup: " tip-bot for Lai Jiangshan
2009-10-28 15:14 ` [PATCH tip/core/rcu 2/2] rcu: fix long-grace-period race between forcing and initialization Paul E. McKenney
2009-11-02 16:18 ` [tip:core/urgent] rcu: Fix " tip-bot for Paul E. McKenney
2009-10-29 9:05 ` [PATCH tip/core/rcu 0/2] RCU force_quiescent_state() fix and dyntick cleanup Ingo Molnar
2009-10-29 14:10 ` Paul E. McKenney [this message]
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