From: Joerg Roedel <joerg.roedel@amd.com>
Date: Thu, 22 Apr 2010 10:33:10 +0000 (+0200)
Subject: KVM: SVM: Propagate nested entry failure into guest hypervisor
X-Git-Tag: v2.6.35-rc1~436^2~40
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=228070b1b31abc16c331b57bf965101c6eb1d167;p=karo-tx-linux.git

KVM: SVM: Propagate nested entry failure into guest hypervisor

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.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 5ad9d802bd16..b10d1630c203 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)