stop_two_cpus(9)

💅 stop_two_cpus(9) — Kernel API Manual 💅

okay so bestie, welcome to the stop_two_cpus(9) page from the Kernel API Manual. this one is short, iconic, and here to stop exactly two cpus. let's get into it 🫶✨

🌸 NAME 🌸

stop_two_cpus — stops two cpus

✨ SYNOPSIS ✨

the whole vibe, in code:

int stop_two_cpus (unsigned int cpu1 , unsigned int cpu2 , cpu_stop_fn_t fn , void *arg );

🎀 ARGUMENTS 🎀

• cpu1 — the cpu to stop 💅
• cpu2 — the other cpu to stop 🫶
• fn — function to execute ✨
• arg — argument to fn 🎀

🦋 DESCRIPTION 🦋

okay so here’s the tea: it stops both the current and specified CPU and runs fn on one of them. it returns when both are completed. no cap, that’s the whole bit 💖

🔥 SEE ALSO 🔥

the kernel file ./kernel/stop_machine.c is where this lives, and these are the related pages to peek at:

• Kernel file ./kernel/stop_machine.c
• stop_one_cpu(9)
• stop_one_cpu_nowait(9)
• stop_cpus(9)
• stop_machine_from_inactive_cpu(9)

and that’s the page, bestie! 🫶 source/version: ./kernel · date: October 2026 · page: stop_two_cpus(9) — go stop exactly two cpus and slay 💅✨