5c4007ddc6
When starting a guest, helper processes are started first. But they need a bit of special handling. Just consider a regular cold boot and an incoming migration. For instance, in case of swtpm with its state on a shared volume, we want to set label on the state for the cold boot case, but don't want to touch the label in case of incoming migration (because the source very specifically did not restore it either). Until now, these two cases were differentiated by testing @incoming against NULL. And while that makes sense for other aspects of domain startup, for external devices we need a bit more, because a restore from a save file is also 'incoming migration'. Now, there is a difference between regular migration and restore from a save file. In the former case we do not want to set seclabels in the save state. BUT, in the latter case we do need to set them, because the code that saves the machine restored seclabels. Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2161557 Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com> |
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Libvirt API for virtualization
Libvirt provides a portable, long term stable C API for managing the virtualization technologies provided by many operating systems. It includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER Hypervisor.
For some of these hypervisors, it provides a stateful management daemon which runs on the virtualization host allowing access to the API both by non-privileged local users and remote users.
Layered packages provide bindings of the libvirt C API into other languages including Python, Perl, PHP, Go, Java, OCaml, as well as mappings into object systems such as GObject, CIM and SNMP.
Further information about the libvirt project can be found on the website:
License
The libvirt C API is distributed under the terms of GNU Lesser General Public License, version 2.1 (or later). Some parts of the code that are not part of the C library may have the more restrictive GNU General Public License, version 2.0 (or later). See the files COPYING.LESSER and COPYING for full license terms & conditions.
Installation
Instructions on building and installing libvirt can be found on the website:
https://libvirt.org/compiling.html
Contributing
The libvirt project welcomes contributions in many ways. For most components the best way to contribute is to send patches to the primary development mailing list. Further guidance on this can be found on the website:
https://libvirt.org/contribute.html
Contact
The libvirt project has two primary mailing lists:
- libvirt-users@redhat.com (for user discussions)
- libvir-list@redhat.com (for development only)
Further details on contacting the project are available on the website: