Re: [libvirt] [RFC] Question regarding the validity of QEMU capabilities

On Fri, Oct 20, 2017 at 01:10 PM +0200, Pavel Hrdina <phrdina(a)redhat.com&gt; wrote: > On Fri, Oct 20, 2017 at 12:59:51PM +0200, Marc Hartmayer wrote: >> Hi all, >> >> the actual capabilities of QEMU are depending on the host. This >> includes dependencies like which kernel modules are loaded or which >> kernel parameters are used (e.g. kvm.nested). Therefore, after a >> restart we cannot be sure that the QEMU capabilities remain the same. >> >> How can we solve this problem? > > Hi, > > thanks for bringing up this issue, we kind of already know about it > but it's good idea to discuss it publicly. > >> >> I have come up with two ways: >> - reprobe the capabilities with every host reboot > > This is the solution that was agreed on but nobody was motivated enough > to write the code :). First - thank you for the quick answer :) Would it be okay if the solution depends on systemd?