diff --git a/inventory/group_vars/all b/inventory/group_vars/all
index 1adcf0d772..2e13911491 100644
--- a/inventory/group_vars/all
+++ b/inventory/group_vars/all
@@ -78,7 +78,7 @@ virt_install_command_one_nic: virt-install -n {{ inventory_hostname }}
                   hostname={{ inventory_hostname }} nameserver={{ dns }}
                   ip={{ eth0_ip }}::{{ gw }}:{{ nm }}:{{ inventory_hostname }}:eth0:none'
                  --network bridge={{ main_bridge }},model=virtio
-                 --autostart --noautoconsole --watchdog default
+                 --autostart --noautoconsole --watchdog default --cpu host
 
 virt_install_command_two_nic: virt-install -n {{ inventory_hostname }}
                  --memory={{ mem_size }},maxmemory={{ max_mem_size }} --memballoon virtio
@@ -89,7 +89,7 @@ virt_install_command_two_nic: virt-install -n {{ inventory_hostname }}
                   ip={{ eth0_ip }}::{{ gw }}:{{ nm }}:{{ inventory_hostname }}:eth0:none
                   ip={{ eth1_ip }}:::{{ nm }}:{{ inventory_hostname }}-nfs:eth1:none'
                  --network bridge={{ main_bridge }},model=virtio --network=bridge={{ nfs_bridge }},model=virtio
-                 --autostart --noautoconsole --watchdog default
+                 --autostart --noautoconsole --watchdog default --cpu host
 
 virt_install_command_aarch64_one_nic: virt-install -n {{ inventory_hostname }}
                  --memory={{ mem_size }},maxmemory={{ max_mem_size }} --memballoon virtio
@@ -128,7 +128,7 @@ virt_install_command_rhel6: virt-install -n {{ inventory_hostname }}
                  --vcpus={{ num_cpus }},maxvcpus={{ max_cpu }} -l {{ ks_repo }} -x
                  "ksdevice=eth0 ks={{ ks_url }} ip={{ eth0_ip }} netmask={{ nm }}
                   gateway={{ gw }} dns={{ dns }} console=tty0 console=ttyS0
-                  hostname={{ inventory_hostname }}"
+                  hostname={{ inventory_hostname }}" --cpu host
                  --network=bridge=br0 --autostart --noautoconsole --watchdog default
 
 max_mem_size: "{{ mem_size * 5 }}"