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SubjectRe: [PATCH kcsan 0/10] KCSAN updates for v5.9
On Tue, 23 Jun 2020 at 02:43, Paul E. McKenney <paulmck@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-elver@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 && (....)).

Thanks,
-- Marco

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