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xen-devel
Re: [Xen-devel] Status of auto_translated_mode
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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