@commandncode: NMIs can’t be masked. They can’t be postponed. They interrupt everything. That’s why tracing inside an NMI context requires special NMI-safe tracepoints and per-CPU buffers — no sleeping, no unsafe locks, no deadlocks. When the highest-priority interrupt fires, your observability has to be just as disciplined. #software #linux #computerscience #system

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Sunday 22 February 2026 07:25:49 GMT