efa_com_adm...intr_handler(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’– efa_com_adm...intr_handler(9) β€” like, the Kernel API Manual page, bestie πŸ’–

okay so this is a page from the Kernel API Manual, and it's about one specific function whose full name is efa_com_admin_q_comp_intr_handler. Girl, the title got cut off with ... and honestly? Relatable. Anyway, let's get into it ✨


🌸 NAME 🌸

efa_com_admin_q_comp_intr_handler β€” the admin queue interrupt handler. That's it, that's the vibe. It handles interrupts for the admin queue. Slay. πŸ’…


πŸ¦‹ SYNOPSIS πŸ¦‹

void efa_com_admin_q_comp_intr_handler (struct efa_com_dev *edev );

No cap, that's the whole signature. It returns void, so it's giving "I do the work and I don't report back," iconic behavior honestly. πŸŽ€


πŸŽ€ ARGUMENTS πŸŽ€

  • edev β€” the EFA communication layer struct. That's your one and only input, bestie. It's a struct efa_com_dev *, iykyk. ✨

πŸ”₯ DESCRIPTION πŸ”₯

okay so picture this: this method literally goes over the admin completion queue and wakes up all the pending threads that are waiting on the commands wait event. The way that it just... wakes everybody up? Obsessed. 😭

So like, all those threads that have been sitting there waiting on the commands wait event? They get woken up. Every single pending one. No thread left behind, periodt. 🫢


⭐ NOTE ⭐

bestie, real talk for a sec: this one should be called after the MSI-X interrupt. That's not optional energy, that's a "please do this in the right order" warning. πŸ’€

🌈 SEE ALSO 🌈

Go look at the kernel file ./drivers/infiniband/hw/efa/efa_com.c β€” that's where the magic lives, fr fr. And while you're there, check out its friends:

That's a whole friend group, honestly. They all ate. πŸ‘‘


and that's the page, bestie πŸ§šπŸ’œ this one comes to you from ./drivers/infiniband/hw/efa, dated October 2026, part of the Kernel API Manual. stan. πŸ’–

πŸ“¦ where this page comes from