Re: [PATCH V4 0/4] Align SVM with APM defined behaviors

From: Sean Christopherson

Date: Thu Mar 05 2026 - 12:15:49 EST


On Sat, 28 Feb 2026 03:33:24 +0000, Kevin Cheng wrote:
> The APM lists the following behaviors
> - The VMRUN, VMLOAD, VMSAVE, CLGI, VMMCALL, and INVLPGA instructions
> can be used when the EFER.SVME is set to 1; otherwise, these
> instructions generate a #UD exception.
> - If VMMCALL instruction is not intercepted, the instruction raises a
> #UD exception.
>
> [...]

Applied patch 2 to kvm-x86 nested (the rest are coming separately). Thanks!

[2/4] KVM: SVM: Inject #UD for INVLPGA if EFER.SVME=0
https://github.com/kvm-x86/linux/commit/d99df02ff427

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https://github.com/kvm-x86/linux/tree/next