arch_teardown_msi_irq(9)

okay so bestie, this is arch_teardown_msi_irq(9), straight outta the Kernel API Manual ✨ and it's literally all about releasing MSI IRQs for a device. let's get into it 💅

🌸 NAME 🌸

arch_teardown_msi_irq — release MSI IRQs for a device. yes bestie, that's the whole assignment 🎀

✨ SYNOPSIS ✨

void arch_teardown_msi_irq (unsigned int irq );

🎀 ARGUMENTS 🎀

• irq — the device's first irq number. There may be multiple in sequence 👀

💅 DESCRIPTION 💅

This is the "okay we're done here" moment: it's called when a device no longer needs its MSI interrupts. All MSI interrupts for the device are freed. periodt. no cap, that's the vibe — bye-bye MSI IRQs for that device 🦋

🔥 SEE ALSO 🔥

• Kernel file ./arch/mips/pci/msi-octeon.c
• arch_setup_msi_irq(9)

Source/version: ./arch/mips/pci · date: October 2026 · page: arch_teardown_msi_irq(9) — mwah 💋 go free those IRQs bestie 🫶✨