Re: [PATCH v2 01/11] x86: kcov: disable instrumentation of arch/x86/kernel/tsc.c

From: Peter Zijlstra
Date: Fri Jun 27 2025 - 03:59:44 EST

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On Thu, Jun 26, 2025 at 03:41:48PM +0200, Alexander Potapenko wrote:
> sched_clock() appears to be called from interrupts, producing spurious
> coverage, as reported by CONFIG_KCOV_SELFTEST:

NMI context even. But I'm not sure how this leads to problems. What does
spurious coverage even mean?

Next message: Krzysztof Kozlowski: "Re: [PATCH v2 06/10] dt-bindings: clock: airoha: Document new property airoha,chip-scu"
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In reply to: Alexander Potapenko: "[PATCH v2 01/11] x86: kcov: disable instrumentation of arch/x86/kernel/tsc.c"
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