Re: [PATCH] kcsan: Optimize debugfs stats counters

From: Paul E. McKenney
Date: Wed Aug 12 2020 - 18:46:37 EST


On Wed, Aug 12, 2020 at 03:02:14PM +0200, Marco Elver wrote:
> On Mon, 10 Aug 2020 at 10:06, Marco Elver <elver@xxxxxxxxxx> wrote:
> > Remove kcsan_counter_inc/dec() functions, as they perform no other
> > logic, and are no longer needed.
> >
> > This avoids several calls in kcsan_setup_watchpoint() and
> > kcsan_found_watchpoint(), as well as lets the compiler warn us about
> > potential out-of-bounds accesses as the array's size is known at all
> > usage sites at compile-time.
> >
> > Signed-off-by: Marco Elver <elver@xxxxxxxxxx>
> > ---
> > kernel/kcsan/core.c | 22 +++++++++++-----------
> > kernel/kcsan/debugfs.c | 21 +++++----------------
> > kernel/kcsan/kcsan.h | 12 ++++++------
> > kernel/kcsan/report.c | 2 +-
> > 4 files changed, 23 insertions(+), 34 deletions(-)
>
> Hi Paul,
>
> I think this one is good to apply. I do not expect conflicts with current -rcu.

Applied and pushed, thank you! And as you say, no drama. ;-)

Thanx, Paul