rvt_cq_enter(9)

💖 rvt_cq_enter(9) 💖

okay bestie, so this one's from the Kernel API Manual (yes, the kernel kernel, we're in the big leagues now 🎀) and it's called rvt_cq_enter — the function that literally just... adds a new entry to the completion queue. that's it. that's the whole vibe. she's a simple girl with a simple job and honestly? respect. 👑

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✨ SYNOPSIS ✨

bool rvt_cq_enter (struct rvt_cq *cq , struct ib_wc *entry , bool
solicited );

three args, one bool coming back atcha. no cap, that's the whole signature, copy it exactly please and thank you 🫶

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🌸 ARGUMENTS 🌸

• cq — the completion queue, aka the girlboss we're feeding. 💅
• entry — the work completion entry that's getting added. like, the actual thing going in the queue bestie.
• solicited — true if this entry is solicited. true. that's the check. 🔥

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🦋 DESCRIPTION 🦋

so here's the tea: this may be called with qp->s_lock held. 🫶 that's it. that's the note. she's lowkey chill like that. don't overthink it, just know the lock situation is fine and you're not gonna deadlock on yourself.

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💀 RETURN 💀

• returns true on success ✨
• returns false if cq is full 😭 — like, no room, sorry girl, the queue is booked and busy.

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🌈 SEE ALSO 🌈

the Kernel file ./drivers/infiniband/sw/rdmavt/cq.c — go read it, iykyk — plus all her besties:

• rvt_create_cq(9)
• rvt_destroy_cq(9)
• rvt_req_notify_cq(9)
• rvt_poll_cq(9)
• rvt_driver_cq_init(9)
• rvt_cq_exit(9)

the whole friend group fr fr, go say hi 💜

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and that's the page bestie!! 💅 this iconic little number lives in ./drivers/infiniband/sw/rdmavt, dated October 2026, and it answers to the name rvt_cq_enter(9) — okay but the way she's gonna live rent free in your head now?? obsessed. mwah 🎀✨