Re: [PATCH 4/4] KVM: nVMX: initialize more non-shadowed fields in prepare_vmcs02_full

[Wanpeng Li]

2017-12-21 20:43 GMT+08:00 Paolo Bonzini <pbonzini@xxxxxxxxxx>:
> These fields are also simple copies of the data in the vmcs12 struct.
> For some of them, prepare_vmcs02 was skipping the copy when the field
> was unused.  In prepare_vmcs02_full, we copy them always as long as the
> field exists on the host, because the corresponding execution control
> might be one of the shadowed fields.

Why we don't need to copy them always before the patchset?

Regards,
Wanpeng Li