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Linus Torvalds aa829778b1 LKMM updates: 
- Update documentation and code example
 
 KCSAN updates:
 
  - Introduce CONFIG_KCSAN_STRICT (which RCU uses)
  - Optimize use of get_ctx() by kcsan_found_watchpoint()
  - Rework atomic.h into permissive.h
  - Add the ability to ignore writes that change only one bit of a given data-racy variable.
  - Improve comments
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-debug-2021-09-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull memory model updates from Ingo Molnar:
 "LKMM updates:

   - Update documentation and code example

  KCSAN updates:

   - Introduce CONFIG_KCSAN_STRICT (which RCU uses)

   - Optimize use of get_ctx() by kcsan_found_watchpoint()

   - Rework atomic.h into permissive.h

   - Add the ability to ignore writes that change only one bit of a
     given data-racy variable.

   - Improve comments"

* tag 'locking-debug-2021-09-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  tools/memory-model: Document data_race(READ_ONCE())
  tools/memory-model: Heuristics using data_race() must handle all values
  tools/memory-model: Add example for heuristic lockless reads
  tools/memory-model: Make read_foo_diagnostic() more clearly diagnostic
  kcsan: Make strict mode imply interruptible watchers
  kcsan: permissive: Ignore data-racy 1-bit value changes
  kcsan: Print if strict or non-strict during init
  kcsan: Rework atomic.h into permissive.h
  kcsan: Reduce get_ctx() uses in kcsan_found_watchpoint()
  kcsan: Introduce CONFIG_KCSAN_STRICT
  kcsan: Remove CONFIG_KCSAN_DEBUG
  kcsan: Improve some Kconfig comments
2021-09-02 13:00:15 -07:00
..
core.c kcsan: Print if strict or non-strict during init 2021-07-20 13:49:44 -07:00
debugfs.c kcsan: use u64 instead of cycles_t 2021-07-30 17:09:02 +02:00
encoding.h kcsan: Add missing license and copyright headers 2021-03-08 14:27:43 -08:00
kcsan.h kcsan: Report observed value changes 2021-05-18 10:58:15 -07:00
kcsan_test.c kcsan: permissive: Ignore data-racy 1-bit value changes 2021-07-20 13:49:44 -07:00
Makefile kcsan: Make test follow KUnit style recommendations 2021-03-08 14:27:43 -08:00
permissive.h kcsan: permissive: Ignore data-racy 1-bit value changes 2021-07-20 13:49:44 -07:00
report.c Merge branch 'kcsan.2021.05.18a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu 2021-07-04 12:29:16 -07:00
selftest.c kcsan: Add missing license and copyright headers 2021-03-08 14:27:43 -08:00