topology_register_boot_apic(9)

💖 NAME 💖

okay so bestie, this is topology_register_boot_apic(9) from the Kernel API Manual — the little function whose whole job is literally Register the boot CPU APIC ✨👑

✨ SYNOPSIS ✨

void topology_register_boot_apic (u32 apic_id );

🎀 ARGUMENTS 🎀

• apic_id — The APIC ID to set up 🫶 that's the one being handed over, bestie.

🌸 DESCRIPTION 🌸

It's Separate so CPU #0 can be assigned 💅👑 no cap, that's the whole vibe.

🦋 SEE ALSO 🦋

• Kernel file ./arch/x86/kernel/cpu/topology.c — and the whole reference crew: topology_register_apic(9), topology_get_logical_id(9), topology_unit_count(9), topology_hotplug_apic(9), topology_hotunplug_apic(9), topology_apply_cmdline_limits_early(9) 🌈

xoxo, signing off from ./arch/x86/kernel/cpu — October 2026, for topology_register_boot_apic(9) 💅🎀✨