[libvirt] [RFC] Question regarding the validity of QEMU capabilities
phrdina at redhat.com
Fri Oct 20 11:10:14 UTC 2017
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?
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 :).
> - check for every possible change in virQEMUCapsIsValid... (this is
> already done for KVM). In my opinion this is not the way to go.
-------------- next part --------------
A non-text attachment was scrubbed...
Size: 833 bytes
Desc: not available
More information about the libvir-list