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kvm: vmx: Handle VMLAUNCH/VMRESUME failure properly
On an early VMLAUNCH/VMRESUME failure (i.e. one which sets the VM-instruction error field of the current VMCS), the launch state of the current VMCS is not set to "launched," and the VM-exit information fields of the current VMCS (including IDT-vectoring information and exit reason) are stale. On a late VMLAUNCH/VMRESUME failure (i.e. one which sets the high bit of the exit reason field), the launch state of the current VMCS is not set to "launched," and only two of the VM-exit information fields of the current VMCS are modified (exit reason and exit qualification). The remaining VM-exit information fields of the current VMCS (including IDT-vectoring information, in particular) are stale. Signed-off-by: Jim Mattson <jmattson@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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