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SubjectRe: [PATCH v4 01/10] kcsan: Add Kernel Concurrency Sanitizer infrastructure
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> On Jan 14, 2020, at 2:22 PM, Paul E. McKenney <paulmck@kernel.org> wrote:
>
> Just so I understand... Does this problem happen even in CONFIG_KCSAN=n
> kernels?

No.

>
> I have been running extensive CONFIG_KSCAN=y rcutorture tests for quite
> awhile now, so even if this only happens for CONFIG_KSCAN=y, it is not
> like it affects everyone.
>
> Yes, it should be fixed, and Marco does have a patch on the way.

The concern is really about setting KSCAN=y in a distro debug kernel where it has other debug options. I’ll try to dig into more of those issues in the next few days.
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