KVM: arm64: Don't WARN from __pkvm_host_share_guest()

We currently WARN() if the host attempts to share a page that is not in
an acceptable state with a guest. This isn't strictly necessary and
makes testing much harder, so drop the WARN and make sure to propage the
error code instead.

Signed-off-by: Quentin Perret <qperret@google.com>
1 file changed