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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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