Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Thu, 21 Jul 2022 22:00:00 +0000
From:   Sean Christopherson <seanjc@google.com>
To:     Vitaly Kuznetsov <vkuznets@redhat.com>
Cc:     kvm@vger.kernel.org, Paolo Bonzini <pbonzini@redhat.com>,
        Anirudh Rayabharam <anrayabh@linux.microsoft.com>,
        Wanpeng Li <wanpengli@tencent.com>,
        Jim Mattson <jmattson@google.com>,
        Maxim Levitsky <mlevitsk@redhat.com>,
        linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 12/25] KVM: VMX: Check VM_ENTRY_IA32E_MODE in
 setup_vmcs_config()
Message-ID: <YtnMYNR9VCNOXRi5@google.com>
References: <20220714091327.1085353-1-vkuznets@redhat.com>
 <20220714091327.1085353-13-vkuznets@redhat.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20220714091327.1085353-13-vkuznets@redhat.com>
Precedence: bulk

On Thu, Jul 14, 2022, Vitaly Kuznetsov wrote:
> VM_ENTRY_IA32E_MODE control is toggled dynamically by vmx_set_efer()
> and setup_vmcs_config() doesn't check its existence. On the contrary,
> nested_vmx_setup_ctls_msrs() doesn set it on x86_64. Add the missing
> check and filter the bit out in vmx_vmentry_ctrl().
> 
> No (real) functional change intended as all existing CPUs supporting
> long mode and VMX are supposed to have it.
> 
> Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
> Reviewed-by: Jim Mattson <jmattson@google.com>
> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
> ---

Reviewed-by: Sean Christopherson <seanjc@google.com>