> On Mar 11, 2020, at 4:12 PM, Sean Christopherson <sean.j.christopherson@xxxxxxxxx> wrote: > > On Thu, Mar 12, 2020 at 12:54:05AM +0200, Liran Alon wrote: >> Of course it was best if Intel would have shared their unit-tests for CPU >> functionality (Sean? I'm looking at you :P), but I am not aware that they >> did. > > Only in my dreams :-) I would love to open source some of Intel's > validation tools so that they could be adapted to hammer KVM, but it'll > never happen for a variety of reasons. FYI: In 2014 I ran Intel’s fuzzing-tool (Cafe) to test KVM and found (and fixed) ~100 bugs. And I did not even test nested virtualization… http://www.cs.technion.ac.il/people/namit/online-publications/161-amit.pdf