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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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Laine Stump 0d0a7bf45a qemu: be sure we're using the updated value of backend during hotplug 
commit f094aaac changed qemuPrepareHostdevPCIDevices() such that it
may modify the "backend" (vfio vs. legacy kvm) setting in the
virHostdevDef. However, qemuDomainAttachHostPciDevice() (used by
hotplug) copies the backend setting into a local *before* calling
qemuPrepareHostdevPCIDevices(), and then later makes a decision based
on that pre-change value.

The result is that, if the backend had been set to "default" (i.e. not
specified in the config) and was later updated to "VFIO" by
qemuPrepareHostdevPCIDevices(), the qemu process' MacMemLock is not
increased (as is required for VFIO device assignment).

This patch delays making the local copy of backend until after its
potential modification.
2014-02-04 14:05:09 +02:00
.gnulib@d5fec6c22f maint: update to latest gnulib, for mingw improvements 2014-01-23 15:21:59 -07:00
build-aux Make syntax check notice assignments w/o surrounding spaces. 2014-01-20 14:35:26 +01:00
daemon build: add $(prefix) to SYSTEMD_UNIT_DIR 2014-01-21 13:19:46 +02:00
docs Write up the project governance process 2014-02-04 11:27:45 +00:00
examples maint: align whitespaces with project conventions. 2014-01-20 14:35:08 +01:00
gnulib maint: update to latest gnulib 2014-01-01 06:02:47 -07:00
include Block info query: Add check for transient domain 2014-01-24 11:37:18 -05:00
m4 aarch64: Disable -fstack-protector. 2014-01-01 14:21:21 +00:00
po Release of libvirt-1.2.1 2014-01-16 17:25:58 +08:00
src qemu: be sure we're using the updated value of backend during hotplug 2014-02-04 14:05:09 +02:00
tests network: change default of forwardPlainNames to 'yes' 2014-02-04 12:00:26 +02:00
tools build: Fix 'make rpm' in VPATH with wireshark 2014-02-04 10:57:21 +01:00
.ctags maint: Make ctags work out of the box 2013-07-18 08:47:21 +02:00
.dir-locals.el build: avoid tabs that failed syntax-check 2012-09-06 09:43:46 -06:00
.gitignore tests: Add tests for scsi utils 2014-01-30 15:50:37 +08:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap Autogenerate AUTHORS 2012-10-19 12:44:56 -04:00
AUTHORS.in Add Pavel Hrdina to the committers list 2014-01-16 14:47:02 +01:00
autobuild.sh Remove python binding 2013-11-25 16:08:00 +00:00
autogen.sh autogen.sh: Correctly detect .git as a file 2013-08-29 13:19:45 +02:00
bootstrap maint: update to latest gnulib 2014-01-01 06:02:47 -07:00
bootstrap.conf Add helpers for getting env vars in a setuid environment 2013-10-21 14:03:52 +01:00
cfg.mk Introduce Libvirt Wireshark dissector 2014-01-20 17:09:41 +01:00
ChangeLog-old maint: typo fixes 2013-10-22 16:49:32 +01:00
config-post.h build: fix build of virt-login-shell on systems with older gnutls 2013-10-22 09:41:50 -06:00
configure.ac Remove windows thread implementation in favour of pthreads 2014-01-30 18:00:20 +00:00
COPYING maint: follow recommended practice for using LGPL 2013-05-20 14:15:21 -06:00
COPYING.LESSER maint: follow recommended practice for using LGPL 2013-05-20 14:15:21 -06:00
HACKING maint: enforce comma style usage 2013-11-20 09:24:18 -07:00
libvirt.pc.in Add missing 'libvirt_lxc_api' variable in pkg-config file 2013-09-04 14:52:40 +01:00
libvirt.spec.in Release of libvirt-1.2.1 2014-01-16 17:25:58 +08:00
Makefile.am Introduce Libvirt Wireshark dissector 2014-01-20 17:09:41 +01:00
Makefile.nonreentrant maint: use LGPL correctly 2013-05-20 14:03:48 -06:00
mingw-libvirt.spec.in Remove python binding 2013-11-25 16:08:00 +00:00
README Correct typos in the documentation (Atsushi SAKAI) 2008-01-24 10:15:13 +00:00
README-hacking maint: relax git minimum version 2010-02-24 14:29:27 -05:00
run.in Remove python binding 2013-11-25 16:08:00 +00:00
TODO Update todo list file to point at bugzilla/website 2010-10-13 16:45:26 +01:00

README 

         LibVirt : simple API for virtualization

  Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.

Daniel Veillard <veillard@redhat.com>