linux-kernel - Re: [PATCH tip/core/rcu 0/9] Stop using ACCESS

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Message-ID: <20150323104924.504a32dc@gandalf.local.home>
Date:	Mon, 23 Mar 2015 10:49:24 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...nel.org,
	laijs@...fujitsu.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
	josh@...htriplett.org, tglx@...utronix.de, peterz@...radead.org,
	dhowells@...hat.com, edumazet@...gle.com, dvhart@...ux.intel.com,
	fweisbec@...il.com, oleg@...hat.com, bobby.prani@...il.com
Subject: Re: [PATCH tip/core/rcu 0/9] Stop using ACCESS_ONCE (for v4.2)

On Mon, 16 Mar 2015 11:41:55 -0700
"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> wrote:

> Hello!
> 
> This patch series converts from ACCESS_ONCE() to either READ_ONCE() or
> WRITE_ONCE(), as appropriate.  This permits better code generation and
> error checking, and is also more compatible with C11 directions.  Each
> file is updated separately to simplify handling of git conflicts.
> 
> 							Thanx, Paul
> 
> ------------------------------------------------------------------------
> 
>  include/linux/rculist.h  |    6 -
>  include/linux/rcupdate.h |   16 ++--
>  kernel/rcu/rcutorture.c  |    2 
>  kernel/rcu/srcu.c        |   10 +-
>  kernel/rcu/tiny_plugin.h |   12 +--
>  kernel/rcu/tree.c        |  184 +++++++++++++++++++++++------------------------
>  kernel/rcu/tree_plugin.h |   93 +++++++++++------------
>  kernel/rcu/tree_trace.c  |    6 -
>  kernel/rcu/update.c      |   30 +++----
>  9 files changed, 180 insertions(+), 179 deletions(-)

Not sure why this was 9 patches. I think this could have easily been a
single patch.

-- Steve
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