Re: [Xen-devel] [PATCH 1/4] x86/vvmx: Unconditionally initialise vmxon_region_pa during vcpu construction

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 25.10.18 at 17:36, <andrew.cooper3@xxxxxxxxxx> wrote:
> This is a stopgap solution until the toolstack side of initialisation can be
> sorted out, but it does result in the nvmx_vcpu_in_vmx() predicate working
> correctly even when nested virt hasn't been enabled for the domain.
> 
> Update nvmx_handle_vmx_insn() to include the in-vmx mode check (for all
> instructions other than VMXON) to complete the set of #UD checks.
> 
> In addition, sanity check that the nested vmexit handler has worked correctly,
> and that we are only providing emulation of the VT-x instructions to L1
> guests.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>



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