On Wed, May 29, 2019 at 02:26:39PM +0300, Pavel Dovgalyuk wrote:
> Hello!
> 
>  
> 
> I found this while debugging the inconsistent saved/restored state of the 
> virtual machine.
> 
>  
> 
> i386 (32 bit) emulation uses this register (in wrmsr and in MMU fault 
> processing).

Sorry if this question is elementary, but... why would a 32bit guest
use IA32_EFER?  From SDM I only see 4 bits defined in this MSR (SCE,
LME, LMA, NXE) but is there any of them that should be set in a 32bit
guest?

Regards,

-- 
Peter Xu

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