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    SubjectRe: [PATCH tip/core/rcu 0/2] RCU force_quiescent_state() fix and dyntick cleanup

    * Paul E. McKenney <> 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?


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