ev_int_iack(9)

ev_int_iack(9) 💅✨

okay so welcome to the Kernel API Manual, bestie — this one is ev_int_iack(9), and it's literally about acknowledging an interrupt. group-chat version below, all facts intact, no cap 🫶

🌸 NAME 🌸

ev_int_iack — acknowledge an interrupt 💖

⚡ SYNOPSIS ⚡

unsigned int ev_int_iack (unsigned int handle , unsigned int *vector );

🎀 ARGUMENTS 🎀

• handle — handle to the target interrupt controller 👑
• vector — returned interrupt vector ✨

🦋 DESCRIPTION 🦋

okay so here's the tea ☕: if handle is zero, the function returns the next interrupt source number to be handled irrespective of the hierarchy or cascading of interrupt controllers. like, it does not care about the hierarchy or cascading, periodt 💅

if handle is non-zero, it specifies a handle to the interrupt controller that is the target of the acknowledge. target acquired, bestie 🎯

returns 0 for success, or an error code. slay when it's 0, and when it's an error code... well, at least you know 😭

🌈 SEE ALSO 🌈

• Kernel file ./arch/powerpc/include/asm/epapr_hcalls.h 📁
• ev_int_set_config(9)
• ev_int_get_config(9)
• ev_int_set_mask(9)
• ev_int_get_mask(9)
• ev_int_eoi(9)
• ev_byte_channel_send(9)
• ev_byte_channel_receive(9)
• ev_byte_channel_poll(9)
• ev_doorbell_send(9)
• ev_idle(9)

xoxo, your kernel bestie 💜 — source/version is ./arch/powerpc/include/asm, dated October 2026, and this was ev_int_iack(9) signing off 🎀✨