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| author | Joerg Roedel <joerg.roedel@amd.com> | 2010-08-02 16:46:45 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-10-24 10:50:32 +0200 |
| commit | dbe7758482a870f30a86bdeefebf4fc260afef11 (patch) | |
| tree | 72d6589e48193905a226175db42602d921f9a75a | |
| parent | 52c65a30a5c6f31cd66dba57c22d18cafa5e327f (diff) | |
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>
| -rw-r--r-- | arch/x86/kvm/svm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index a0e5c7e2610..af5b9ea5196 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -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; } |