vgic_register_redist_iodev(9)

✨ vgic_register_redist_iodev(9) ✨

okay so bestie, welcome to the Kernel API Manual — we're doing arm64 KVM virtual interrupt controller stuff today and honestly it's giving main character energy 🎀

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🌸 NAME 🌸

vgic_register_redist_iodev — register a single redist iodev, one (1) whole redistributor, no more no less 💅

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🦋 SYNOPSIS 🦋

int vgic_register_redist_iodev (struct kvm_vcpu *vcpu );

like, one argument, one return value, we love a minimal queen 👑

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🍓 ARGUMENTS 🍓

• vcpu — the VCPU that this redistributor belongs to 🫶 literally the VCPU to which the redistributor belongs, that's the whole vibe

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🔥 DESCRIPTION 🔥

So what this does is: it registers a KVM iodev for this VCPU's redistributor, and it does it using the address provided ✨ that's the entire bit, no cap.

It returns 0 on success — slay 💖 — and -ERRNO otherwise 😭 so like, check your return value, bestie, fr fr.

ngl the manpage does not say which address, it just says the address provided. do with that what you will 🙈

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🌈 SEE ALSO 🌈

• Kernel file ./arch/arm64/kvm/vgic/vgic-mmio-v3.c — go read the source, iykyk 📖
• vgic_v3_alloc_redist_region(9)
• vgic_v3_dispatch_sgi(9)

the girlies that read SEE ALSO sections together stay together 💜

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⭐ that's the whole page!! source/version squad represent: this one's filed under ./arch/arm64/kvm/vgic, dated October 2026, and it's vgic_register_redist_iodev(9) — periodt, go register some redistributors bestie 💅🎀