linux-kernel - [PATCH kcsan 0/8] KCSAN updates for v5.15

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Message-ID: <20210721210726.GA828672@paulmck-ThinkPad-P17-Gen-1>
Date:   Wed, 21 Jul 2021 14:07:26 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     linux-kernel@...r.kernel.org, kasan-dev@...glegroups.com,
        kernel-team@...com, mingo@...nel.org
Cc:     elver@...gle.com, andreyknvl@...gle.com, glider@...gle.com,
        dvyukov@...gle.com, cai@....pw, boqun.feng@...il.com
Subject: [PATCH kcsan 0/8] KCSAN updates for v5.15

Hello!

This series contains KCSAN updates:

1.	Improve some Kconfig comments, courtesy of Marco Elver.

2.	Remove CONFIG_KCSAN_DEBUG, courtesy of Marco Elver.

3.	Introduce CONFIG_KCSAN_STRICT, courtesy of Marco Elver.

4.	Reduce get_ctx() uses in kcsan_found_watchpoint(), courtesy of
	Marco Elver.

5.	Rework atomic.h into permissive.h, courtesy of Marco Elver.

6.	Print if strict or non-strict during init, courtesy of Marco
	Elver.

7.	permissive: Ignore data-racy 1-bit value changes, courtesy of
	Marco Elver.

8.	Make strict mode imply interruptible watchers, courtesy of
	Marco Elver.

						Thanx, Paul

------------------------------------------------------------------------

 Documentation/dev-tools/kcsan.rst   |    8 ++++
 b/Documentation/dev-tools/kcsan.rst |    4 ++
 b/kernel/kcsan/core.c               |    9 ----
 b/kernel/kcsan/kcsan_test.c         |   32 ++++++++++++++++
 b/kernel/kcsan/permissive.h         |   47 ++++++++++++++++++++++++
 b/lib/Kconfig.kcsan                 |   16 ++++----
 kernel/kcsan/atomic.h               |   23 ------------
 kernel/kcsan/core.c                 |   68 +++++++++++++++++++++++++-----------
 kernel/kcsan/permissive.h           |   49 +++++++++++++++++++++++++
 lib/Kconfig.kcsan                   |   26 +++++++++++--
 10 files changed, 218 insertions(+), 64 deletions(-)