Re: [PATCH 4/6] KVM: nSVM: correctly restore nested_run_pending on migration

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On Wed, Jan 06, 2021, Maxim Levitsky wrote:
> The code to store it on the migration exists, but no code was restoring it.
> 
> Signed-off-by: Maxim Levitsky <mlevitsk@xxxxxxxxxx>
> ---
>  arch/x86/kvm/svm/nested.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c
> index 6208d3a5a3fdb..c1a3d0e996add 100644
> --- a/arch/x86/kvm/svm/nested.c
> +++ b/arch/x86/kvm/svm/nested.c
> @@ -1203,6 +1203,10 @@ static int svm_set_nested_state(struct kvm_vcpu *vcpu,
>  	 * in the registers, the save area of the nested state instead
>  	 * contains saved L1 state.
>  	 */
> +
> +	if (kvm_state->flags & KVM_STATE_NESTED_RUN_PENDING)
> +		svm->nested.nested_run_pending = true;

This should be:

	svm->nested.nested_run_pending =
		!!(kvm_state->flags & KVM_STATE_NESTED_RUN_PENDING);

> +
>  	copy_vmcb_control_area(&hsave->control, &svm->vmcb->control);
>  	hsave->save = *save;
>  
> -- 
> 2.26.2
> 



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