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

["Tian, Kevin" <kevin.tian@xxxxxxxxx>]

> From: Andrew Cooper [mailto:andrew.cooper3@xxxxxxxxxx]
> Sent: Thursday, October 25, 2018 11:37 PM
> 
> 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>

Acked-by: Kevin Tian <kevin.tian@xxxxxxxxx>

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