[Xen-devel] Hypervisor to dom0 communication

[Matthew Donovan <matthew@xxxxxxxxxxxxxx>]

I am working on a security tool that monitors various components (IDT, SSDT,
etc) of a domU using VM introspection.  Currently, we're using a polling
method to monitor these in-core structions.  We would like to be able to use
a blocking method instead.  I.e. specify "interesting" memory ranges and
then wait until they are modified.

How can I get the hypervisor to alert a kernel module loaded in dom0 that
something has happened?  Can the alert include extra information such as the
address that was modified?      


Thanks
-matthew

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