irq_destroy_ipi(9)

🌸 NAME 🌸

okay bestie, welcome to irq_destroy_ipi(9) from the Kernel API Manual 💅 — this page is literally about how to unreserve an IPI that was previously allocated. no cap, that’s the whole name vibe. ✨

✨ SYNOPSIS ✨

int irq_destroy_ipi (unsigned int irq , const struct cpumask *dest );

🎀 ARGUMENTS 🎀

• irq — the Linux IRQ number to be destroyed 💀
• dest — the cpumask of CPUs which should have the IPI removed 🧚

🦋 DESCRIPTION 🦋

so the IPIs allocated with irq_reserve_ipi get returned to the system, and that destroys all virqs associated with them. 🌈✨ it’s giving cleanup era, bestie — the reserved IPI is getting sent back to the system and its virqs are done. 🧹💖

💖 RETURN 💖

0 on success, or an error code on failure. slay when it’s zero 🫶👑

🔥 SEE ALSO 🔥

the kernel file is ./kernel/irq/ipi.c, and the function besties are:

• irq_reserve_ipi(9)
• ipi_get_hwirq(9)
• __ipi_send_single(9)
• __ipi_send_mask(9)
• ipi_send_single(9)
• ipi_send_mask(9)

mwah 💋 this lil page comes from ./kernel/irq and is dated October 2026 — yes, it’s still the irq_destroy_ipi(9) manual page, and that’s the footer vibe. bye bestie, go read those SEE ALSOs responsibly 🌈👑🫶