linux-kernel - Re: [PATCH tip/core/rcu] rcu: make rcu_read_lock_bh

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Date:	Tue, 16 Mar 2010 14:18:48 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	paulmck@...ux.vnet.ibm.com
CC:	linux-kernel@...r.kernel.org, mingo@...e.hu, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...ymtl.ca,
	josh@...htriplett.org, dvhltc@...ibm.com, niv@...ibm.com,
	tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org,
	Valdis.Kletnieks@...edu, dhowells@...hat.com,
	eric.dumazet@...il.com, arnd@...db.de
Subject: Re: [PATCH tip/core/rcu] rcu: make rcu_read_lock_bh_held() allow
 for	disabled BH

Paul E. McKenney wrote:
> Disabling BH can stand in for rcu_read_lock_bh(), and this patch updates
> rcu_read_lock_bh_held() to allow for this.  In order to avoid include-file
> hell, this function is moved out of line to kernel/rcupdate.c.
> 
> Reported-by: Arnd Bergmann <arnd@...db.de>
> Reported-by: Eric Dumazet <eric.dumazet@...il.com>
> Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>

Acked-by: Lai Jiangshan <laijs@...fujitsu.com>
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