idt_invalidate(9)

🌸 NAME 🌸

okay bestie, welcome to the idt_invalidate(9) page from the Kernel API Manual. This function’s whole personality is: invalidate interrupt descriptor table. That’s it. That’s the assignment. 💅✨

✨ SYNOPSIS ✨

void idt_invalidate (void );

so it returns void, takes void, and has zero parameters to feed it. The signature is lowkey iconic in its simplicity. 🫶

🎀 ARGUMENTS 🎀

• void — no arguments. Not one. The argument list is empty and living its best life, periodt. 😭💖

🌈 SEE ALSO 🌈

If you wanna meet the rest of the IDT setup squad, they’re hanging out in the kernel file ./arch/x86/kernel/idt.c, and the whole cast is:

• idt_setup_early_traps(9)
• idt_setup_traps(9)
• idt_setup_early_pf(9)
• idt_setup_apic_and_irq_gates(9)
• idt_setup_early_handler(9)

mwah 💋 this little page is brought to you by the source at ./arch/x86/kernel, dated October 2026, and the footer is also serving idt_invalidate(9) energy. bye bestie, go invalidate something (the IDT, specifically). 🦋🎀