Commit dbe77584 authored by Joerg Roedel's avatar Joerg Roedel Committed by Avi Kivity
Browse files

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: default avatarJoerg Roedel <joerg.roedel@amd.com>
Signed-off-by: default avatarAvi 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;

}