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.
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Jiri Denemark 14d3517410 qemu: domain: Drop added features from migratable CPU
Features marked with added='yes' in CPU model definitions have to be
removed before migration, otherwise older libvirt would complain about
unknown CPU features. We only do this for features that were enabled for
a given CPU model even with older libvirt, which just ignored the
features. And only for features we added ourselves when updating CPU
definition during domain startup, that is we do not remove features
which were explicitly mentioned by a user.

That said, this is not the safest thing we could do, but it's
effectively the same thing we did before the affected features were
added: we ignored them completely on both sides of migration.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
2024-03-14 16:15:06 +01:00
.ctags.d maint: Add support for .ctags.d 2019-05-31 17:54:28 +02:00
.github/workflows Switch to new GitHub repo-lockdown configuration 2021-10-20 14:27:20 +01:00
.gitlab/issue_templates gitlab: issue_template: Remove labelling commands 2022-06-01 12:27:10 +02:00
build-aux syntax-check: Validate :since: tags 2024-02-26 12:10:27 +01:00
ci ci: refresh with lcitool manifest 2024-03-05 10:25:12 +00:00
docs virsh: Introduce domdisplay-reload command 2024-03-08 17:00:15 +01:00
examples examples: Define _GNU_SOURCE for more examples 2024-02-07 18:01:03 +01:00
include libvirt: Introduce virDomainGraphicsReload API 2024-03-08 17:00:15 +01:00
po Translated using Weblate (Korean) 2024-02-29 15:36:08 +01:00
scripts qemu-replies-tool: Dump 'device-list-properties' 2024-02-01 10:55:01 +01:00
src qemu: domain: Drop added features from migratable CPU 2024-03-14 16:15:06 +01:00
subprojects Move src/keycodemapdb -> subprojects/keycodemapdb 2023-04-17 15:02:38 +02:00
tests tests: mock __open_2() 2024-03-14 15:17:48 +01:00
tools vsh: remove VSH_OFLAG_REQ 2024-03-13 15:02:52 +01:00
.ctags ctags: Generate tags for headers, i.e. function prototypes 2018-09-18 14:21:33 +02:00
.dir-locals.el build: avoid tabs that failed syntax-check 2012-09-06 09:43:46 -06:00
.editorconfig Add .editorconfig 2019-09-06 12:47:46 +02:00
.gitattributes Add .gitattributes file 2022-03-17 14:33:12 +01:00
.gitignore Revert ".gitignore: Ignore cscope and other *tags files" 2023-02-08 17:24:31 +01:00
.gitlab_pages_redirects docs: gitlab redirects: Drop '/libvirt' prefix for hosting the web through gitlab pages 2024-02-13 16:56:49 +01:00
.gitlab-ci.yml docs: Add redirects configuration for gitlab pages 2024-01-19 15:51:47 +01:00
.gitmodules Move src/keycodemapdb -> subprojects/keycodemapdb 2023-04-17 15:02:38 +02:00
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.mailmap mailmap: consolidate my email addresses 2020-10-06 12:05:09 +02:00
AUTHORS.rst.in AUTHORS: change my (Nikolay Shirokovskiy) email 2022-04-06 11:00:53 +03:00
config.h configure: bump min required CLang to 6.0 / XCode 10.0 2022-01-17 10:44:29 +00:00
configmake.h.in meson: generate configmake.h 2020-08-03 09:26:48 +02:00
CONTRIBUTING.rst meson: adjust our documentation to mention meson instead of autoconf 2020-08-03 09:27:09 +02:00
COPYING maint: follow recommended practice for using LGPL 2013-05-20 14:15:21 -06:00
COPYING.LESSER maint: Remove control characters from LGPL license file 2015-09-25 09:16:24 +02:00
gitdm.config gitdm: add 'ibm' file 2019-10-18 17:32:52 +02:00
libvirt-admin.pc.in Add libvirt-admin library 2015-06-16 13:46:20 +02:00
libvirt-lxc.pc.in Add pkg-config files for libvirt-qemu & libvirt-lxc 2014-06-23 16:17:27 +01:00
libvirt-qemu.pc.in Add pkg-config files for libvirt-qemu & libvirt-lxc 2014-06-23 16:17:27 +01:00
libvirt.pc.in Add pkg-config files for libvirt-qemu & libvirt-lxc 2014-06-23 16:17:27 +01:00
libvirt.spec.in spec: Handle new location of bash-completion .pc file 2024-02-27 12:05:38 +00:00
meson_options.txt build: Add userfaultfd_sysctl build option 2024-02-13 17:44:26 +01:00
meson.build tests: mock __open_2() 2024-03-14 15:17:48 +01:00
NEWS.rst Post-release version bump to 10.2.0 2024-03-01 12:22:04 +01:00
README.rst docs: update docs pointing to old mailing list addrs 2023-10-31 10:04:27 +00:00
run.in run: add ability to set selinux context 2023-08-23 14:22:36 -05:00

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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:

https://libvirt.org

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:

Further details on contacting the project are available on the website:

https://libvirt.org/contact.html