Request new test coverage from DEV:

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As an aside, I'd like to highlight that this MR brings in some new behavior in these commits- specifically dd703babedd3:

3b441176d7c4 panic: Expose "warn_count" to sysfs
dd703babedd3 panic: Introduce warn_limit
21ede44837e5 panic: Separate sysctl logic from CONFIG_SMP
5523d221b3de kernel/panic: move panic sysctls to its own file

0f85367c4453 panic: Consolidate open-coded panic_on_warn checks

I don't believe we have any testing in place for this, but I'd bet just manual testing would be sufficient. Let me know if you have any questions or would like me to do anything to help you with this...

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