linux-kernel - Re: [PATCH 02/12] KVM: selftests: Extend vmx_set_nested_state

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Message-ID: <CALMp9eQi15V1+5EqCevm9aWMv4OAGbUb14dazBcjhhL8mVGHww@mail.gmail.com>
Date: Thu, 9 Oct 2025 15:40:44 -0700
From: Jim Mattson <jmattson@...gle.com>
To: Yosry Ahmed <yosry.ahmed@...ux.dev>
Cc: Sean Christopherson <seanjc@...gle.com>, Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Yosry Ahmed <yosryahmed@...gle.com>
Subject: Re: [PATCH 02/12] KVM: selftests: Extend vmx_set_nested_state_test to
 cover SVM

On Wed, Oct 1, 2025 at 8:03 AM Yosry Ahmed <yosry.ahmed@...ux.dev> wrote:
>
> From: Yosry Ahmed <yosryahmed@...gle.com>
>
> Add test cases for the validation checks in svm_set_nested_state(), and
> allow the test to run with SVM as well as VMX.
>
> Signed-off-by: Yosry Ahmed <yosry.ahmed@...ux.dev>
> ---
> ...
> +       /* If EFER.SVME is clear, GIF must be set and guest mode is disallowed */

The GIF constraint is not architected. See
https://lore.kernel.org/kvm/20251009223153.3344555-2-jmattson@google.com/.