hardlockup_d...perf_restart(9)

✨ hardlockup_detector_perf_restart ✨

okay bestie, welcome to the Kernel API Manual — yes, that manual, the one we all pretend to read 💅. Today's main character is hardlockup_detector_perf_restart(9) and honestly? She's niche, she's specific, and she's here to do exactly one job 🫶

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🌸 NAME 🌸

hardlockup_detector_perf_restart — Globally restart watchdog events 🐕🔥

like, globally. the whole system. no cap.

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🦋 SYNOPSIS 🦋

void hardlockup_detector_perf_restart (void );

that's it. that's the whole vibe check.

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🎀 ARGUMENTS 🎀

• void — no arguments. zero. nada. not a single one. she takes nothing and she gives everything 😭✨

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💖 DESCRIPTION 💖

so here's the tea ☕: this is a special interface for x86 to handle the perf HT bug. that's the whole description, bestie — she's a specialist, not a generalist, and honestly? iconic behavior 👑.

think of her as the lil "restart everything, globally" button that only x86 gets to press for the perf HT bug situation. that's the lore, that's the deal, iykyk.

ngl this one's short and sweet — but the facts are the facts, and i would never leave a detail out on you 💀

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⭐ SEE ALSO ⭐

go read these next, bestie, they're all in the kernel file ./kernel/watchdog_perf.c 📁:

• watchdog_hardlockup_enable(9)
• watchdog_hardlockup_disable(9)
• hardlockup_detector_perf_adjust_period(9)
• hardlockup_detector_perf_stop(9)
• watchdog_hardlockup_probe(9)
• hardlockup_config_perf_event(9)

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and that's the whole page, fr fr 🍓 thank you for coming to my ted talk 💜

mwah 💋 — brought to you by the ./kernel source, dated October 2026, and obviously starring hardlockup_d...perf_restart(9) because she gets top billing twice, as she deserves 💅✨