linux-kernel - Re: [PATCH tip/core/rcu 0/13] percpu-rwsem patches for 4.4

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Date:	Tue, 6 Oct 2015 20:50:56 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Josh Triplett <josh@...htriplett.org>
Cc:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org, mingo@...nel.org,
	jiangshanlai@...il.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
	tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org,
	dhowells@...hat.com, edumazet@...gle.com, dvhart@...ux.intel.com,
	fweisbec@...il.com, bobby.prani@...il.com
Subject: Re: [PATCH tip/core/rcu 0/13] percpu-rwsem patches for 4.4

On 10/06, Josh Triplett wrote:
>
> For all 13:
> Reviewed-by: Josh Triplett <josh@...htriplett.org>

Thanks!

> Regarding the rcu_sync infrastructure: odd that an atomic read
> on the reader proves ligher weight than
> rcu_read_lock()/rcu_read_unlock().

Cough... Could you spell? ;) I am just curious and I can't understand
what do you mean.

Oleg.

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