The unusable bit is now used by gem5. Pass that bit through to KVM instead of a dummy value 0. Change-Id: I59912b478a3de95684fb0cc65ff5703d201df8cb Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/57050 Maintainer: Gabe Black <gabe.black@gmail.com> Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu> Maintainer: Bobby Bruce <bbruce@ucdavis.edu>