On Mon, Jun 22, 2020 at 05:43:10PM -0700, Paul E. McKenney wrote:
> Hello!
>
> This series provides KCSAN updates:
And three more, so that GCC can join Clang in the KCSAN fun.
> 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.
11. Re-add GCC as a supported compiler.
12. Simplify compiler flags.
13. Disable branch tracing in core runtime.
Please note that using GCC for KCSAN requires building your own compiler
from recent mainline.
Thanx, Paul
------------------------------------------------------------------------
The added three (#11-#13) only:
------------------------------------------------------------------------
Documentation/dev-tools/kcsan.rst | 3 ++-
kernel/kcsan/Makefile | 6 +++---
lib/Kconfig.kcsan | 3 ++-
scripts/Makefile.kcsan | 2 +-
4 files changed, 8 insertions(+), 6 deletions(-)
