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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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Osier Yang fd1432c7ae qemu: Error out if the bitmap for pinning is all clear 
For both "live" and "config" changes of vcpupin and emulatorpin, an
all clear bitmap doesn't make sense, and it can just cause corruptions.
E.g (similar for emulatorpin).

% virsh vcpupin hame 0 8,^8 --config

% virsh vcpupin hame
VCPU: CPU Affinity
----------------------------------
   0:
   1: 0-63
   2: 0-63
   3: 0-63

% virsh dumpxml hame | grep cpuset
    <vcpupin vcpu='0' cpuset=''/>

% virsh start hame
error: Failed to start domain hame
error: An error occurred, but the cause is unknown
2013-04-06 10:16:59 +08:00
.gnulib@819b1c38b9 maint: update to latest gnulib 2013-02-01 09:24:00 -07:00
build-aux Document bracket whitespace rules & add syntax-check rule 2012-11-02 14:00:32 +00:00
daemon Enable full RELRO mode 2013-04-03 16:19:35 +01:00
docs qemu: Support multiple queue virtio-scsi 2013-04-06 10:08:47 +08:00
examples Re-add DTrace probes on 'dispose' functions 2013-03-14 12:42:21 +00:00
gnulib maint: update to latest gnulib 2013-01-02 09:38:30 -07:00
include nodedev: Introduce two new flags for listAll API 2013-03-25 20:46:05 +08:00
m4 Enable full RELRO mode 2013-04-03 16:19:35 +01:00
po Release of libvirt-1.0.4 2013-04-01 10:57:04 +08:00
python python: set default value to optional arguments 2013-03-26 12:34:49 +08:00
src qemu: Error out if the bitmap for pinning is all clear 2013-04-06 10:16:59 +08:00
tests util: Add a helper to check if all bits of a bitmap are clear 2013-04-06 10:14:21 +08:00
tools build: use proper pod for nested bulleted VIRSH_DEBUG list 2013-04-05 10:02:33 -06:00
.dir-locals.el build: avoid tabs that failed syntax-check 2012-09-06 09:43:46 -06:00
.gitignore rename tests/conftest.c 2013-03-19 13:13:28 -06:00
.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 John Ferlan to the committers list 2013-02-05 10:59:32 -05:00
autobuild.sh Disable static libraries by default 2013-04-03 11:02:27 +01:00
autogen.sh build: fix incremental autogen.sh when no AUTHORS is present 2012-12-03 14:59:09 -07:00
bootstrap maint: update to latest gnulib 2013-02-01 09:24:00 -07:00
bootstrap.conf build: more mingw fixes 2013-02-15 15:45:52 -07:00
cfg.mk util: portably check for unchanged uid 2013-03-15 10:55:51 -06:00
ChangeLog-old virterror.c: Fix several spelling mistakes 2012-02-03 11:32:51 -07:00
configure.ac Enable full RELRO mode 2013-04-03 16:19:35 +01:00
COPYING.LIB Update to COPYING.LIB to latest LGPLv2.1 copy 2013-03-15 10:50:32 +01:00
HACKING Turn virSecurityManager into a virObjectLockable 2013-02-11 12:33:41 +00:00
libvirt.pc.in build: silence warning from autoconf 2012-05-30 09:22:02 -06:00
libvirt.spec.in test: Return Libvirt logo as domain screenshot 2013-04-02 14:38:56 +02:00
Makefile.am build: Fix AUTHORS generation 2012-12-17 21:17:55 +01:00
Makefile.nonreentrant Ban use of all inet_* functions 2010-10-22 11:59:23 +01:00
mingw-libvirt.spec.in test: Return Libvirt logo as domain screenshot 2013-04-02 14:38:56 +02:00
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 run: license as LGPL 2013-02-23 14:03:19 -07:00
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>