Re: [PATCH 0/3] KVM: VMX: fix handling inv{ept,vpid} and nested RHEL6 KVM

From: Paolo Bonzini
Date: Sat Mar 19 2016 - 05:53:40 EST

On 18/03/2016 19:04, David Matlack wrote:
> > the tests would effectively DoS the host.
> How does this DoS the host? The guest is stuck executing the same
> instruction over and over, but it's exiting to KVM every time,
> allowing KVM to reschedule the VCPU. I would agree it DoSes the guest.

You're right, these tests are safe.