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    SubjectRe: [PATCH] RCU read sched

    * Mathieu Desnoyers <> wrote:

    > (probably already in -tip)
    > Add rcu_read_lock_sched() and rcu_read_unlock_sched() to rcupdate.h to match the
    > recently added write-side call_rcu_sched() and rcu_barrier_sched(). They also
    > match the no-so-recently-added synchronize_sched().
    > It will help following matching use of the update/read lock primitives. Those
    > new read lock will replace preempt_disable()/enable() used in pair with
    > RCU-classic synchronization.
    > Signed-off-by: Mathieu Desnoyers <>
    > Acked-by: Peter Zijlstra <>
    > CC: Paul E McKenney <>

    Paul, does this API extension look good to you?

    i'll apply it to tip/core/rcu if yes.


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