On Tue, Jun 23, 2020 at 08:31:15AM +0200, Marco Elver wrote:
> On Tue, 23 Jun 2020 at 02:43, Paul E. McKenney <paul...@kernel.org> wrote:
> >
> > 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.
>
> Do we want GCC support back for 5.9?
>
> https://lkml.kernel.org/r/20200618093118.247375-1-el...@google.com
>
> I was hoping it could go into 5.9, because it makes a big difference
> in terms of usability as it provides more compiler choice. The only
> significant change for GCC support is the addition of the checking of
> (CC_IS_GCC && (....)).
Very good, I will rebase the following into the KCSAN branch for v5.9:
3e490e3 kcsan: Re-add GCC as a supported compiler
03296de kcsan: Simplify compiler flags
d831090 kcsan: Disable branch tracing in core runtime
Please let me know if any other adjustments are needed.
Thanx, Paul
