efivars_unregister(9)

okay bestie, welcome to efivars_unregister(9) from the Kernel API Manual 💖 this is the page about unregistering an efivars, and we're keeping it cute and accurate, no cap.

🌸 NAME 🌸

efivars_unregister — unregister an efivars ✨ (yes, “an efivars,” that’s the canon, iykyk)

🦋 SYNOPSIS 🦋

int efivars_unregister (struct efivars *efivars );

🎀 ARGUMENTS 🎀

• efivars — the efivars to unregister, bestie 💅

💜 DESCRIPTION 💜

okay so here’s the vibe check: the caller must have already removed every entry from the list before doing this. like, all of them. every single entry. 👑

not me if there’s still stuff in the list — failure to do so is an error, fr fr 😭

🌈 SEE ALSO 🌈

• the Kernel file ./drivers/firmware/efi/vars.c — yes, that exact path, keep it 💅
• efivar_is_available(9) ✨
• efivars_register(9) 💖

signed off with so much love from ./drivers/firmware/efi 💌 October 2026 💌 efivars_unregister(9) — slay and stay safe out there 🎀