general_interrupt(9)

✨ general_interrupt(9) ✨

okay so bestie, this one is from the Kernel API Manual and it's giving "the one handler that catches literally everything" 💅

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🌸 NAME 🌸

general_interrupt — the general interrupt handler, your fave catch-all bestie 🫶

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🎀 SYNOPSIS 🎀

irqreturn_t general_interrupt (int irq , void *data );

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🦋 ARGUMENTS 🦋

• irq — the MSIx IRQ vector 🌈 (yes, that one)
• data — hfi1 devdata 🍓

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💖 DESCRIPTION 💖

so, this one is able to correctly handle, like, all the non-threaded interrupts. iconic. main character energy fr fr 👑

but lowkey listen: receive context DATA IRQs are threaded, and this handler does not support them. periodt. no cap 💀

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🔥 SEE ALSO 🔥

• Kernel file ./drivers/infiniband/hw/hfi1/chip.c — go read it iykyk 📖
• hfi1_addr_from_offset(9)
• read_csr(9)
• write_csr(9)
• get_csr_addr(9)
• update_xmit_counters(9)
• apply_link_downgrade_policy(9)
• is_rcv_avail_int(9)
• is_rcv_urgent_int(9)
• hfi1_rcd_eoi_intr(9)
• hfi1_netdev_rx_napi(9)
• data_vls_operational(9)
• encode_rcv_header_entry_size(9)
• hfi1_validate_rcvhdrcnt(9)
• set_hdrq_regs(9)
• update_statusp(9)
• wait_logical_linkstate(9)
• read_mod_write(9)
• set_intr_bits(9)
• set_up_interrupts(9)
• hfi1_get_qp_map(9)
• init_qpmap_table(9)
• init_qos(9)
• hfi1_init_dd(9)
• create_pbc(9)

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that's the whole list bestie, every single one of them, i checked twice. 💅

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and that's a wrap, angel 💜 this little page came out of ./drivers/infiniband/hw/hfi1, dated October 2026, and it lives under the name general_interrupt(9) — see u in the next one, mwah 🎀✨