[COMMIT master] KVM: SVM: Propagate nested entry failure into guest hypervisor

[Avi Kivity]

From: Joerg Roedel <joerg.roe...@amd.com>

This patch implements propagation of a failes guest vmrun
back into the guest instead of killing the whole guest.

Signed-off-by: Joerg Roedel <joerg.roe...@amd.com>
Signed-off-by: Avi Kivity <a...@redhat.com>

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 5ad9d80..b10d163 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1715,6 +1715,10 @@ static int nested_svm_intercept(struct vcpu_svm *svm)
                        vmexit = NESTED_EXIT_DONE;
                break;
        }
+       case SVM_EXIT_ERR: {
+               vmexit = NESTED_EXIT_DONE;
+               break;
+       }
        default: {
                u64 exit_bits = 1ULL << (exit_code - SVM_EXIT_INTR);
                if (svm->nested.intercept & exit_bits)
--
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