> On 12 Dec 2019, at 17:38, Matthias Leopold <matthias.leopold(a)meduniwien.ac.at&gt; wrote: > > Hi, > > I'm planning to upgrade my installation from CentOS 7.6/oVirt 4.3.5 to CentOS 7.7/oVirt 4.3.7. > According to > https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/... > there's a new default setting for Spectre V2 mitigation in new RHEL 7 installs. Shall I switch my hypervisor hosts to this setting when upgrading? Would newly installed CentOS 7 oVirt hosts have that kernel parameter? Doesn’t the same paragraph describe new install vs upgrade behavior?;) I wouldn’t think Centos is going to be any different .