Messages in this thread | | | Date | Wed, 24 Jun 2020 13:08:10 -0700 | From | "Paul E. McKenney" <> | Subject | Re: [PATCH kcsan 0/10] KCSAN updates for v5.9 |
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On Wed, Jun 24, 2020 at 12:02:36PM -0700, Paul E. McKenney wrote: > 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.
All three of which, I should hasten to add, are courtesy of Marco Elver.
> 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(-)
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