This changeset enables clone to work with X86KvmCPU model, which will allow running multi-threaded applications at near hardware speeds. Even though the application is multi-threaded, the KvmCPU model uses one event queue, therefore, only one hardware thread will be used, through KVM, to simulate multiple application threads. Change-Id: I2b2a7b1edb1c56eeb9c4fa0553cd236029cd53f8 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/18268 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Maintainer: Jason Lowe-Power <jason@lowepower.com> Tested-by: kokoro <noreply+kokoro@google.com>