I am lead by link to :
https://groups.google.com/forum/#!msg/qubes-devel/-/xUzL-wwXEmQJ
Which displays:
"Banned Content Warning
The group you are attempting to view (qubes-devel) has been identified as containing spam, malware, or other malicious content. Content in this group is now limited to view-only mode for those with access.
Group owners can request an appeal after they have taken steps to clean up potentially offensive content in the forum. For more information about content policies on Google Groups see our Help Center article on abuse and our Terms of Service."
with
"Continue to the group" button, which does not work.
Therefore:
* I can't get answer regarding AMD-v
* I can't comfortably use qubse-devel as it's effectively blocked with warning I can't go through.