Re: [PATCH tip/core/rcu 0/2] RCU force_quiescent_state() fix anddyntick cleanup

From: Ingo Molnar
Date: Thu Oct 29 2009 - 05:06:30 EST



* Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> 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?

>
> 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?

Ingo
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