RE: [Xen-devel] about vmxassist

["Kamala Narasimhan" <Kamala.Narasimhan@xxxxxxxxxx>]

> >         Intel VT-x doesn't provide real mode support for HVM guests.
If
> >  you don't use vmxassist, you could use full real-mode emulation.
> What do you mean by "full real-mode emulation" ?
Not execute real-mode code bare metal but parse real-mode instruction
bytes and emulate each instruction.

> I find the code path
> will enter the native real mode if do not use vmxassist , not a
> emulation one .

I would suggest referring to vmx_realmode in
xen/arch/x86/hvm/vmx/realmode.c 

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