linux-kernel - Re: [PATCH 0/4] Final ACCESS

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Date:   Mon, 27 Nov 2017 13:11:15 -0800
From:   "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:     Mark Rutland <mark.rutland@....com>
Cc:     linux-kernel@...r.kernel.org, mingo@...hat.com, acme@...hat.com,
        apw@...onical.com, joe@...ches.com, peterz@...radead.org
Subject: Re: [PATCH 0/4] Final ACCESS_ONCE() cleanups for v4.15

On Mon, Nov 27, 2017 at 10:38:20AM +0000, Mark Rutland wrote:
> Now that the ACCESS_ONCE() conversion settled in v4.15-rc1, these
> patches remove the ACCESS_ONCE() definitions from the kernel, along with
> the newly redundant checkpatch warning suggesting {READ,WRITE}_ONCE()
> are preferred.
> 
> One new user of ACCESS_ONCE() snuck into v4.15-rc1; the first patch in
> this series (previously sent on its own [1]) moves that over to
> READ_ONCE(). Otherwise, there are no remaining uses of ACCESS_ONCE().
> 
> Ingo, assuming there are no complaints, would you be happy to take this
> via the tip tree as a fixup for v4.15?
> 
> I've also pushed the series to my core/access-once-removal branch [2].

For all four:

Tested-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>

> Thanks,
> Mark.
> 
> [1] https://lkml.kernel.org/r/20171114103138.9931-1-mark.rutland@arm.com
> [2] git://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git core/access-once-removal
> 
> Mark Rutland (4):
>   perf mmap: Convert ACCESS_ONCE() to READ_ONCE()
>   tools: include: remove ACCESS_ONCE()
>   compiler.h: remove ACCESS_ONCE()
>   checkpatch: remove ACCESS_ONCE() warning
> 
>  include/linux/compiler.h       | 47 ++++++++++--------------------------------
>  scripts/checkpatch.pl          | 22 --------------------
>  tools/include/linux/compiler.h | 21 ++++++++-----------
>  tools/perf/util/mmap.h         |  2 +-
>  4 files changed, 21 insertions(+), 71 deletions(-)
> 
> -- 
> 2.11.0
>