rproc_boot(9)

📦 version 7.3.1, in nixpkgs unstable

💖 rproc_boot(9) — like, the kernel API manual, but make it make sense 💖

okay bestie, you know how the kernel API manual has that whole rproc_boot(9) page? yeah. that one. we're doing it. it lives in the kernel API manual section 9, and honestly it's kind of a vibe. let's get into it 🫶

✨ NAME ✨

rproc_boot — boot a remote processor. that's it. that's the whole job. main character energy fr 🔥

🌸 SYNOPSIS 🌸

int rproc_boot (struct rproc *rproc );

like, hand it a processor and it'll hand you back an int. simple as. no cap.

🎀 ARGUMENTS 🎀

  • rproc — the handle of a remote processor 💅 like, this is the one you're booting. the handle. the whole point.

🦋 DESCRIPTION 🦋

bestie. okay. so what this actually does 👏 is boot a remote processor. and by "boot" i mean the full little ritual: it loads its firmware, it powers it on, the whole ... situation. it's giving "wake up sleepyhead" but for hardware ✨

and here's the cute part — if the remote processor is already powered on, this function immediately returns, and it returns successfully. no drama. no double-boot. it just peeks, sees the lights are already on, and goes "yep, we're good" and bounces 😌 iconic behavior honestly.

⭐ RETURN ⭐

  • 0 on success 🎉
  • and an appropriate error value otherwise 😭 (like, some error. the appropriate one. you'll know.)

💜 SEE ALSO 💜

okay this is the part where the manpage just goes off. like it's a whole friend group. the kernel file to look at is ./drivers/remoteproc/remoteproc_core.c, and then there's this entire roster of siblings:

yeah. thirty-three of them. i counted. go read them all, i'll wait 🍓

💀 quick reminder bestie: rproc_boot returning success when the thing is already on is a feature, not a bug — don't go adding your own "already booted" check and then be confused when it's fine. iykyk.

and that's the page!! sourced from ./drivers/remoteproc, dated October 2026, in the Kernel API Manual — mwah, love that for us 💖🧚‍♀️💫

📦 where this page comes from