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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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Peter Krempa 6ef9ea9bbf qemu: Re-detect virtual cpu threads after cpu hot (un)plug. 
After a cpu hotplug the qemu driver did not refresh information about
virtual processors used by qemu and their corresponding threads. This
patch forces a re-detection as is done on start of QEMU.

This ensures that correct information is reported by the
virDomainGetVcpus API and "virsh vcpuinfo".

A failure to obtain the thread<->vcpu mapping is treated non-fatal and
the mapping is not updated in a case of failure as not all versions of
QEMU report this in the info cpus command.
(cherry picked from commit 3163682b58)
2012-06-14 18:16:48 -04:00
.gnulib@bb2f5640d5 build: fix bootstrap on RHEL 2012-04-26 14:13:49 -04:00
daemon util: fix libvirtd startup failure due to netlink error 2012-06-14 11:31:00 -04:00
docs docs: mention migration issue of which credentials are used 2012-06-14 18:16:48 -04:00
examples Revert "Refactor the libvirt RPM daemon pieces" 2012-04-03 14:49:31 +08:00
gnulib build: fix fresh checkout on RHEL5 2012-04-25 16:36:26 -04:00
include snapshot: add atomic create flag 2012-03-23 16:38:20 -06:00
m4 Enable all warnings permanently & default to -Werror for GIT builds 2012-03-27 17:08:06 +01:00
po Stable release 0.9.11.3 2012-04-27 14:58:18 -04:00
python Coverity: Fix the forward_null error in Python binding codes 2012-06-07 18:15:49 -04:00
src qemu: Re-detect virtual cpu threads after cpu hot (un)plug. 2012-06-14 18:16:48 -04:00
tests tests: add some self-documentation to tests 2012-06-14 18:16:47 -04:00
tools virsh: avoid heap corruption leading to virsh abort 2012-06-14 17:03:58 -04:00
.dir-locals.el maint: let emacs avoid tabs in rng files 2011-08-13 08:56:26 -06:00
.gitignore Stable release 0.9.11.3 2012-04-27 14:58:18 -04:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap maint: prune duplicate listings in AUTHORS 2012-02-03 09:56:45 -07:00
AUTHORS esx: Fix segfault in esxConnectToHost 2012-04-25 16:39:49 -04:00
autobuild.sh Enable all warnings permanently & default to -Werror for GIT builds 2012-03-27 17:08:06 +01:00
autogen.sh build: allow for local gnulib diffs 2011-11-09 09:03:33 -07:00
bootstrap build: fix bootstrap on RHEL 2012-04-26 14:13:49 -04:00
bootstrap.conf build: fix bootstrap on RHEL 2012-04-26 14:13:49 -04:00
cfg.mk maint: avoid false positives on unmarked diagnostics 2012-06-07 18:06:16 -04:00
ChangeLog-old virterror.c: Fix several spelling mistakes 2012-02-03 11:32:51 -07:00
configure.ac build: Fix the typo in configure.ac 2012-06-14 18:16:48 -04:00
COPYING.LIB remove all trailing blank lines 2009-07-16 15:06:42 +02:00
HACKING Document STREQ_NULLABLE and STRNEQ_NULLABLE 2011-10-06 16:50:38 +02:00
libvirt.pc.in Fix typos in API XML file paths 2012-02-15 11:29:38 +00:00
libvirt.spec.in numad: Update comments in libvirt.spec.in 2012-06-14 18:16:48 -04:00
Makefile.am maint: add missing copyright notices 2011-07-28 15:01:17 -06:00
Makefile.nonreentrant Ban use of all inet_* functions 2010-10-22 11:59:23 +01:00
mingw32-libvirt.spec.in Fix typos in API XML file paths 2012-02-15 11:29:38 +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
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>