kvm_vgic_reset_mapped_irq(9)

💅 kvm_vgic_reset_mapped_irq(9) — Kernel API Manual, but make it make sense 💅

okay so bestie, welcome to the kvm_vgic_reset_mapped_irq(9) page. this is the manual entry for a little function that resets a mapped IRQ, and we're gonna get into it. no cap, it's short but iconic. 🎀

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✨ NAME ✨

kvm_vgic_reset_mapped_irq — Reset a mapped IRQ

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🌸 SYNOPSIS 🌸

void kvm_vgic_reset_mapped_irq (struct kvm_vcpu *vcpu , u32 vintid );

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🎀 ARGUMENTS 🎀

• vcpu — The VCPU pointer, literally the main character pointer here 💅
• vintid — The INTID of the interrupt, iykyk 🦋

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🦋 DESCRIPTION 🦋

so what it does is reset the active and pending states of a mapped interrupt. that's the whole vibe. ✨

and here's the important part for the kernel girlies: kernel subsystems that inject mapped interrupts should reset their interrupt lines when we are doing a reset of the VM. like, that's the moment. periodt. 👑

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👑 SEE ALSO 👑

Kernel file ./arch/arm64/kvm/vgic/vgic.c and these besties right here:

• vgic_target_oracle(9)
• kvm_vgic_inject_irq(9)
• kvm_vgic_set_owner(9)
• vgic_prune_ap_list(9)

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that's the page, bestie 🫶 shoutout to the source/version: ./arch/arm64/kvm/vgic, and the date on deck is October 2026 — cute little footer moment, no notes. 💖