linux-kernel - Re: [PATCH v2 03/21] KVM: x86: Add macros to track first...last VMX feature MSRs

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Message-ID: <5771a4cb-4df7-e9a0-9e7e-9a116a40a411@gmail.com>
Date:   Tue, 14 Feb 2023 18:48:46 +0800
From:   Like Xu <like.xu.linux@...il.com>
To:     Sean Christopherson <seanjc@...gle.com>
Cc:     kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Paolo Bonzini <pbonzini@...hat.com>
Subject: Re: [PATCH v2 03/21] KVM: x86: Add macros to track first...last VMX
 feature MSRs

On 10/2/2023 8:31 am, Sean Christopherson wrote:
> +/*
> + * The first...last VMX feature MSRs that are emulated by KVM.  This may or may
> + * not cover all known VMX MSRs, as KVM doesn't emulate an MSR until there's an
> + * associated feature that KVM supports for nested virtualization.
> + */
> +#define KVM_FIRST_EMULATED_VMX_MSR	MSR_IA32_VMX_BASIC
> +#define KVM_LAST_EMULATED_VMX_MSR	MSR_IA32_VMX_VMFUNC

Off-topic, we now have "#define MSR_IA32_VMX_PROCBASED_CTLS3 0x00000492",
any further changes needed here if L2 guest needs IPI virtualization or why not ?