Commit dbe77584 authored Aug 02, 2010 by Joerg Roedel Committed by Avi Kivity Oct 24, 2010

KVM: SVM: Check for asid != 0 on nested vmrun



This patch lets a nested vmrun fail if the L1 hypervisor
left the asid zero. This fixes the asid_zero unit test.

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

parent 52c65a30

arch/x86/kvm/svm.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -2019,6 +2019,9 @@ 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;
		}

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