Re: [PATCH] rcu: don't call rcu_preempt_note_context_switch() inrcu_check_callbacks()

From: Paul E. McKenney
Date: Thu Apr 01 2010 - 20:53:45 EST


On Thu, Apr 01, 2010 at 03:24:05PM +0800, Lai Jiangshan wrote:
> Paul E. McKenney wrote:
> > Possibly by moving the clearing of RCU_READ_UNLOCK_NEED_QS to
> > rcu_preempt_check_callbacks()
>
> current rcu_preempt_check_callbacks() already has code to
> clear RCU_READ_UNLOCK_NEED_QS.

English is failing me. How about the following patch instead? Untested,
probably does not even compile.

Thanx, Paul

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