Re: [PATCH v2 1/9] KVM: x86: nSVM: leave nested mode on vCPU free

[Liam Merwick]

On 03/11/2022 14:13, Maxim Levitsky wrote:
> If the VM was terminated while nested, we free the nested state
> while the vCPU still is in nested mode.
>
> Soon a warning will be added for this condition.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Maxim Levitsky <mlevitsk@xxxxxxxxxx>

Reviewed-by: Liam Merwick <liam.merwick@xxxxxxxxxx>

> ---
>   arch/x86/kvm/svm/svm.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
> index d22a809d923339..e9cec1b692051c 100644
> --- a/arch/x86/kvm/svm/svm.c
> +++ b/arch/x86/kvm/svm/svm.c
> @@ -1440,6 +1440,7 @@ static void svm_vcpu_free(struct kvm_vcpu *vcpu)
>   	 */
>   	svm_clear_current_vmcb(svm->vmcb);
>   
> +	svm_leave_nested(vcpu);
>   	svm_free_nested(svm);
>   
>   	sev_free_vcpu(vcpu);