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[Xen-devel] AMD / SVM vm_event support

  • To: xen-devel@xxxxxxxxxxxxx
  • From: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>
  • Date: Thu, 18 Jan 2018 15:19:42 +0200
  • Cc: Alexandru Isaila <aisaila@xxxxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Tamas K Lengyel <tamas@xxxxxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>
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We're looking at potentially working with vm_event on SVM hosts. To that
end, we've removed a few cpu_has_vmx tests and saw that some things just

That is, unfortunately, not the case for EPT events.

There's this old thread about NPT support:


but it looks like nothing came of it.

Has there been more Xen development work, or at least discussion on this
topic that we are not aware of?

As for the things that do work, any objections to submitting patches
that allows an introspection application to subscribe to what's
available on SVM as well, with the proper capabilities set in


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