raw_notifier_chain_register(9)

💅 raw_notifier_chain_register(9) 💅

okay so bestie, welcome to the Kernel API Manual page for raw_notifier_chain_register(9) — we are literally about to make this make sense 🫶✨

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✨ NAME ✨

raw_notifier_chain_register — Add notifier to a raw notifier chain 🎀

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🌸 SYNOPSIS 🌸

int raw_notifier_chain_register (struct raw_notifier_head *nh , struct
notifier_block *n );

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💖 ARGUMENTS 💖

• nh — pointer to the head of the raw notifier chain 👑
• n — the new entry in the notifier chain 🦋

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🔥 DESCRIPTION 🔥

okay so what this does is add a notifier to a raw notifier chain. that's the whole main character move 💅

⚠️ real talk: all locking must be provided by the caller. no cap, this function is not doing the locking for you — that's on you, bestie. periodt.

It returns 0 on success, and -EEXIST on error 😭✨

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👀 SEE ALSO 👀

the kernel file is literally ./kernel/notifier.c — and here's the whole friend group of related pages:

• notifier_call_chain(9)
• notifier_call_chain_robust(9)
• atomic_notifier_chain_register(9)
• atomic_notifier_chain_register_unique_prio(9)
• atomic_notifier_chain_unregister(9)
• atomic_notifier_call_chain(9)
• atomic_notifier_call_chain_is_empty(9)
• blocking_notifier_chain_register(9)
• blocking_notifier_chain_register_unique_prio(9)
• blocking_notifier_chain_unregister(9)
• blocking_notifier_call_chain(9)
• raw_notifier_chain_unregister(9)
• raw_notifier_call_chain(9)
• srcu_notifier_chain_register(9)
• srcu_notifier_chain_unregister(9)
• srcu_notifier_call_chain(9)
• srcu_init_notifier_head(9)

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xoxo bestie 💖 — source/version: ./kernel; date: October 2026; page: raw_notifier_chain_register(9) 🫶🌈