[PATCH kcsan 0/10] KCSAN updates for v5.9

From: Paul E. McKenney
Date: Mon Jun 22 2020 - 20:43:23 EST


Hello!

This series provides KCSAN updates:

1. Annotate a data race in vm_area_dup(), courtesy of Qian Cai.

2. x86/mm/pat: Mark an intentional data race, courtesy of Qian Cai.

3. Add ASSERT_EXCLUSIVE_ACCESS() to __list_splice_init_rcu().

4. Add test suite, courtesy of Marco Elver.

5. locking/osq_lock: Annotate a data race in osq_lock.

6. Prefer '__no_kcsan inline' in test, courtesy of Marco Elver.

7. Silence -Wmissing-prototypes warning with W=1, courtesy of Qian Cai.

8. Rename test.c to selftest.c, courtesy of Marco Elver.

9. Remove existing special atomic rules, courtesy of Marco Elver.

10. Add jiffies test to test suite, courtesy of Marco Elver.

Thanx, Paul

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

arch/x86/mm/pat/set_memory.c | 2
include/linux/rculist.h | 2
kernel/fork.c | 8
kernel/kcsan/Makefile | 5
kernel/kcsan/atomic.h | 6
kernel/kcsan/core.c | 9
kernel/kcsan/kcsan-test.c | 1111 ++++++++++++++++++++++++++++++++++++++++++-
kernel/kcsan/selftest.c | 1
kernel/locking/osq_lock.c | 6
lib/Kconfig.kcsan | 23
10 files changed, 1161 insertions(+), 12 deletions(-)