KVM: SVM: Check for asid != 0 on nested vmrun · dbe7758482 - Gogs

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>

Joerg Roedel 15 years ago

parent

52c65a30a5

commit

dbe7758482

1 changed files with 3 additions and 0 deletions

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arch/x86/kvm/svm.c
							 
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				@@ -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;
			
				 }