kgdb_disable_hw_debug(9)

📦 version 7.3.1, in nixpkgs unstable

💅 kgdb_disable_hw_debug — Kernel API Manual ✨

okay bestie, buckle up, because this one is a lil function with a big job and i'm obsessed 🫶 it lives in the Kernel API Manual and it's about turning off hardware debugging while you're literally inside kgdb. like, we're already debugging, why would we debug the debugger?? anyway. iconic behavior.

🌸 NAME 🌸

kgdb_disable_hw_debug — Disable hardware debugging while we in kgdb. no cap, that's the whole assignment 💖

✨ SYNOPSIS ✨

void kgdb_disable_hw_debug (struct pt_regs *regs );

that's it. one argument. returns void. very demure, very mindful 🎀

🦋 ARGUMENTS 🦋

  • regs — Current struct pt_regs. that's the vibe check on the registers, fr fr 💜

🔥 DESCRIPTION 🔥

so here's the tea ☕ — this function gets called if the particular architecture must disable hardware debugging while it is processing gdb packets or handling exception. like, highkey necessary on some arches, and honestly? she ate. 💅

literally: processing gdb packets → hardware debug off. handling exception → hardware debug off. it's giving "we cannot be doing both at once, bestie" 😭✨

👑 SEE ALSO 👑

the Kernel file ./arch/x86/kernel/kgdb.c and its whole friend group 🫶 — go say hi:

ngl bestie, if your arch needs this, it needs this. don't skip the hardware-debug-disable moment 🙈

🌈 okay that's the whole page, mwah 💋 — this little gem comes from ./arch/x86/kernel, dated October 2026, and it's filed under kgdb_disable_hw_debug(9). slay, go read the SEE ALSOs, periodt. 🎀🦋💖

📦 where this page comes from