xe_memirq_postinstall(9)

💖 xe_memirq_postinstall 💖

okay so bestie, welcome to the Kernel API Manual entry for xe_memirq_postinstall — yes it's a whole function name, yes it's a mouthful, no we are not renaming it 💅

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✨ NAME ✨

xe_memirq_postinstall — literally just: turn on the processing of Memory Based Interrupts_. that's the whole gig 🎀

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🌸 SYNOPSIS 🌸

void xe_memirq_postinstall (struct xe_memirq *memirq );

no return value, no drama, void and out 🦋

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🎀 ARGUMENTS 🎀

• memirq — the xe_memirq. that's it, that's the argument, the one and only 🫶

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💅 DESCRIPTION 💅

okay so context first: this is part of the driver IRQ setup flow. the interrupt glow-up pipeline, iykyk ✨

and here's the important part, no cap: this function shall only be used on platforms that use Memory Based Interrupts_. like, only those platforms. not the others. a vibe check is required before calling, fr fr 💀

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🔥 SEE ALSO 🔥

• Kernel file ./drivers/gpu/drm/xe/xe_memirq.c
• Memory Based Interrupts(9)
• Memory Based Interrupts Page Layout(9)
• xe_memirq_init(9)
• xe_memirq_source_ptr(9)
• xe_memirq_status_ptr(9)
• xe_memirq_enable_ptr(9)
• xe_memirq_init_guc(9)
• xe_memirq_reset(9)
• xe_memirq_hwe_handler(9)
• xe_memirq_guc_sw_int_0_irq_pending(9)
• xe_memirq_handler(9)

the whole friend group, go read them all, they ate 👑

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and that's the page bestie 🍓 it lives in ./drivers/gpu/drm/xe, it's dated October 2026, and it's filed under xe_memirq_postinstall(9) — iconic, no notes, periodt 💜🧚