Re: [PATCH 0/4] Final ACCESS_ONCE() cleanups for v4.15

From: Paul E. McKenney
Date: Mon Nov 27 2017 - 16:11:17 EST


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@xxxxxxxxxxxxxxxxxx>

> Thanks,
> Mark.
>
> [1] https://lkml.kernel.org/r/20171114103138.9931-1-mark.rutland@xxxxxxx
> [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
>