Re: [PATCH v3] KVM: SVM: Disable AVIC on SNP-enabled system without HvInUseWrAllowed feature

From: Sean Christopherson
Date: Wed Dec 18 2024 - 21:42:47 EST


On Mon, 04 Nov 2024 07:58:45 +0000, Suravee Suthikulpanit wrote:
> On SNP-enabled system, VMRUN marks AVIC Backing Page as in-use while
> the guest is running for both secure and non-secure guest. Any hypervisor
> write to the in-use vCPU's AVIC backing page (e.g. to inject an interrupt)
> will generate unexpected #PF in the host.
>
> Currently, attempt to run AVIC guest would result in the following error:
>
> [...]

Applied to kvm-x86 fixes, thanks!

[1/1] KVM: SVM: Disable AVIC on SNP-enabled system without HvInUseWrAllowed feature
https://github.com/kvm-x86/linux/commit/df7191833f7a

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