PFRU_IOC_STAGE_ACTIVATE(9)

💅 PFRU_IOC_STAGE_ACTIVATE(9) 💅

okay bestie, so this one lives in the Kernel API Manual and it's genuinely iconic — it's the ioctl that does the whole two-step in one go 🎀 no cap.

---

✨ NAME ✨

PFRU_IOC_STAGE_ACTIVATE — literally defined as _IOW(PFRUT_IOCTL_MAGIC, 0x04, unsigned int) 🫶

---

✨ SYNOPSIS ✨

PFRU_IOC_STAGE_ACTIVATE

that's it. that's the whole thing. main character energy fr fr 💜

---

✨ RETURN ✨

so here's what you can get back, and you will be checking it 👑

• 0 — success 💖 slay, it worked
• -EINVAL — the stage/activate phase returned an invalid result 😭 not cute, something went wrong

---

✨ DESCRIPTION ✨

bestie it does both. the stage action and the activation action, in one single call 🔥 no need to hit them separately — it's giving efficiency, it's giving "why would you do two ioctls when one will do" ✨

---

✨ SEE ALSO ✨

go read the kernel file ./include/uapi/linux/pfrut.h and then spiral into the whole friend group 🦋:

• PFRU_IOC_SET_REV(9)
• PFRU_IOC_STAGE(9)
• PFRU_IOC_ACTIVATE(9)
• PFRU_IOC_QUERY_CAP(9)
• struct pfru_payload_hdr(9)
• struct pfru_update_cap_info(9)
• struct pfru_com_buf_info(9)
• struct pfru_updated_result(9)
• struct pfrt_log_data_info(9)
• struct pfrt_log_info(9)
• PFRT_LOG_IOC_SET_INFO(9)
• PFRT_LOG_IOC_GET_INFO(9)
• PFRT_LOG_IOC_GET_DATA_INFO(9)

---

ngl this whole page is short but she ate 💅 read the whole squad before you start poking ioctls, iykyk 🌸

okay bye ily, this page came from ./include/uapi/linux, dated October 2026, part of the Kernel API Manual — PFRU_IOC_STAGE_ACTIVATE(9) signing off 🧚💖