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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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9579b6bc20
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Laine Stump 9579b6bc20 Fix crash in virNetDevGetVirtualFunctions 
Commit 9a3ff01d7f (which was ACKed at
the end of January, but for some reason didn't get pushed until during
the 1.0.4 freeze) fixed the logic in virPCIGetVirtualFunctions().
Unfortunately, a typo in the fix (replacing VIR_REALLOC_N with
VIR_ALLOC_N during code movement) caused not only a memory leak, but
also resulted in most of the elements of the result array being
replaced with NULL. virNetDevGetVirtualFunctions() assumed (and I think
rightly so) that virPCIGetVirtualFunctions() wouldn't return any NULL
elements in the array, so it ended up segfaulting.

This was found when attempting to use a virtual network with an
auto-created pool of SRIOV VFs, e.g.:

    <forward mode='hostdev' managed='yes'>
      <pf dev='eth4'/>
    </forward>

(the pool of PCI addresses is discovered by calling
virNetDevGetVirtualFunctions() on the PF dev).
2013-04-09 14:26:12 -04:00
.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 schemas: Move PortNumber and sourceinfoadapter to basictypes.rng 2013-04-09 22:34:02 +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 Disable cast-align warnings in various places 2013-04-08 10:03:21 +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 Fix crash in virNetDevGetVirtualFunctions 2013-04-09 14:26:12 -04:00
tests Implement support for <hostdev caps=net> 2013-04-08 17:40:08 +01:00
tools docs: use MiB/s instead of Mbps for migration speed 2013-04-09 16:45:24 +02:00
.dir-locals.el build: avoid tabs that failed syntax-check 2012-09-06 09:43:46 -06:00
.gitignore Add a test suite for keycode mapping functions 2013-04-08 10:03:20 +01:00
.gitmodules
.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 spec: Require pod2man when running autoreconf 2013-04-08 16:11:16 +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
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>