Re: [Xen-devel] Status of auto_translated_mode

[Jesper Kristensen <cableman@xxxxxxxxx>]

Ian Pratt wrote:

> > After some investigation, we found that existing 
> > auto_translated_mode matches our model and then would like to 
> > know the status of this mode on xen/x86.
> > 1. First a background question, what's the major usage model 
> > for auto_translated_mode? 
> >    
> Currently, the main usage model is to support guests that haven't got
> fully paravirtualied mm systems. It's also useful for a number of
> research projects, such as vm fork, determinsitic replay etc.
>
>  
A quick question: Can this be enabled on a per domU basis and how is 
this done correctly? The furthest I can track it is in 
tools/libxc/xc_linux_build.c
   shadow_mode_enabled = 
test_feature_bit(XENFEAT_auto_translated_physmap, required_features);
one could of course for now hardcode shadow_mode_enabled to 1, but it 
sounds like there would be a config file option for this kind of thing. 
I can not seem to backtrack this any further. So my question is this: 
how do I enable translated shadow mode as cleanly as possible?
Best Regards,
Jesper Kristensen

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