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[2/2] KVM: SVM: Check for asid != 0 on nested vmrun

Message ID 1280760405-22591-3-git-send-email-joerg.roedel@amd.com (mailing list archive)
State New, archived
Headers show

Commit Message

Joerg Roedel Aug. 2, 2010, 2:46 p.m. UTC 
None
diff mbox

Patch

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 083fa88..7a2feb9 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -2020,6 +2020,9 @@  static bool nested_vmcb_checks(struct vmcb *vmcb)
 	if ((vmcb->control.intercept & (1ULL << INTERCEPT_VMRUN)) == 0)
 		return false;
 
+	if (vmcb->control.asid == 0)
+		return false;
+
 	return true;
 }