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Linus Torvalds 1be5bdf8cd KCSAN updates for v5.17 
This series provides KCSAN fixes and also the ability to take memory
 barriers into account for weakly-ordered systems.  This last can increase
 the probability of detecting certain types of data races.
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Merge tag 'kcsan.2022.01.09a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu

Pull KCSAN updates from Paul McKenney:
 "This provides KCSAN fixes and also the ability to take memory barriers
  into account for weakly-ordered systems. This last can increase the
  probability of detecting certain types of data races"

* tag 'kcsan.2022.01.09a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (29 commits)
  kcsan: Only test clear_bit_unlock_is_negative_byte if arch defines it
  kcsan: Avoid nested contexts reading inconsistent reorder_access
  kcsan: Turn barrier instrumentation into macros
  kcsan: Make barrier tests compatible with lockdep
  kcsan: Support WEAK_MEMORY with Clang where no objtool support exists
  compiler_attributes.h: Add __disable_sanitizer_instrumentation
  objtool, kcsan: Remove memory barrier instrumentation from noinstr
  objtool, kcsan: Add memory barrier instrumentation to whitelist
  sched, kcsan: Enable memory barrier instrumentation
  mm, kcsan: Enable barrier instrumentation
  x86/qspinlock, kcsan: Instrument barrier of pv_queued_spin_unlock()
  x86/barriers, kcsan: Use generic instrumentation for non-smp barriers
  asm-generic/bitops, kcsan: Add instrumentation for barriers
  locking/atomics, kcsan: Add instrumentation for barriers
  locking/barriers, kcsan: Support generic instrumentation
  locking/barriers, kcsan: Add instrumentation for barriers
  kcsan: selftest: Add test case to check memory barrier instrumentation
  kcsan: Ignore GCC 11+ warnings about TSan runtime support
  kcsan: test: Add test cases for memory barrier instrumentation
  kcsan: test: Match reordered or normal accesses
  ...
2022-01-11 09:51:26 -08:00
..
core.c kcsan: Avoid nested contexts reading inconsistent reorder_access 2021-12-09 16:42:29 -08:00
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_test.c kcsan: Only test clear_bit_unlock_is_negative_byte if arch defines it 2021-12-09 16:42:29 -08:00
kcsan.h kcsan: Add ability to pass instruction pointer of access to reporting 2021-09-13 16:41:19 -07:00
Makefile KCSAN updates for v5.17 2022-01-11 09:51:26 -08:00
permissive.h kcsan: permissive: Ignore data-racy 1-bit value changes 2021-07-20 13:49:44 -07:00
report.c kcsan: Show location access was reordered to 2021-12-09 16:42:27 -08:00
selftest.c kcsan: Only test clear_bit_unlock_is_negative_byte if arch defines it 2021-12-09 16:42:29 -08:00