Re: [PATCH tip/core/rcu 0/9] Stop using ACCESS_ONCE (for v4.2)

From: Paul E. McKenney
Date: Mon Mar 23 2015 - 11:25:19 EST


On Mon, Mar 23, 2015 at 10:49:24AM -0400, Steven Rostedt wrote:
> On Mon, 16 Mar 2015 11:41:55 -0700
> "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx> 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.

In order to make it easier to deal with conflicts and to move patches
across this series as needed. I could consolidate them later on, just
before they are merged, if that would help.

Thanx, Paul

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