* configure.ac docs/news.html.in libvirt.spec.in: update for release
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  and regenerated

To avoid backward compatibility issues, this patch suppresses
auto-generated DAC labels from XML. This change affects commands such as
dumpxml and save.
Signed-off-by: NMarcelo Cerri <mhcerri@linux.vnet.ibm.com>

With this patch libvirt tries to assign a model to a single seclabel
when model is missing. Libvirt will look up at host's capabilities and
assign the first model to seclabel.

This patch fixes:

1. The problem with existing guests that have a seclabel defined in its XML.
2. A XML parse error when a guest is restored.
Signed-off-by: NMarcelo Cerri <mhcerri@linux.vnet.ibm.com>

When executing virsh -t <command> the reported timing was off
by 3 orders of magnitude if the command took more than one
second.
Signed-off-by: NViktor Mihajlovski <mihajlov@linux.vnet.ibm.com>

When domain XML contains any of the elements for setting up CPU
scheduling parameters (period, quota, emulator_period, or
emulator_quota) we need cpu cgroup to enforce the configuration.
However, the existing code would just ignore silently such settings if
either cgroups were not available at all cpu cgroup was not available.
Moreover, APIs for manipulating CPU scheduler parameters were already
failing if cpu cgroup was not available. This patch makes cpu cgroup
mandatory for all domains that use CPU scheduling elements in their XML.

BZ: https://bugzilla.redhat.com/show_bug.cgi?id=837761

The variable max_id is initialized again in the step of
getting cpu mapping variable map2. But in the next for loop
we still expect original value of max_id, the bug will
crash libvirtd when using on NUMA machine with big number
of cpus.

On NUMA machine, the length of string got from file
cpuacct.usage_percpu is quite large, so expand the
limit of 1024 bytes.

errors like:
Failed to read file \
'/cgroup/cpuacct/libvirt/qemu/rhel6q/cpuacct.usage_percpu': \
Value too large for defined data type

Add correct closing tags.

Adapt the IP learning code to also accept broadcasted DHCP replies

Some DHCP servers send their DHCP replies to the broadcast MAC address
rather than to the MAC address of the VM. The existing DHCP snooping
code assumes that the reply always goes to the MAC address of the VM
thus filtering the traffic of some DHCP servers' replies.

The below patch adapts the code to

1) filter DHCP replies by comparing the MAC address in the reply against
   the MAC address of the VM (held in the snoop request)

2) adapts the pcap filter for traffic towards the VM to accept DHCP replies
   sent to any MAC address; for further filtering we rely on 1)

3) creates initial rules that are active while waiting for DHCP replies;
   these rules now accept DHCP replies to the VM's MAC address or to the
   MAC broadcast address

Add function for testing for Ethernet broadcast address

The introduction of the new VLAN code, along with the fix
from 5e465df6, caused the
addition of OVS ports to fail with the following message:

ovs-vsctl: 00002|vsctl|ERR|: missing column name

This fix takes into account the VLAN arguments are optional,
and correctly sets up the command line to run the "ovs-vsctl"
command to add ports to the OVS bridge.
Signed-off-by: NKyle Mestery <kmestery@cisco.com>
CC: Eric Blake <eblake@redhat.com>

Recent work to improve support for loadable driver modules introduced
a regression in the xen driver.  The legacy xen driver is now a
stateful, libvirtd driver but was not being registered when building
without driver modules.

A slight behavior change was also noted in the xen drivers when
built as driver modules.  Previously, explicitly specifying a
connection URI was not necessary, but now

Compiled against library: libvirt 0.10.0
Using library: libvirt 0.10.0
Using API: QEMU 0.10.0
error: failed to get the hypervisor version
error: internal error Cannot find suitable emulator for x86_64

The xen drivers need to be registered before the qemu driver since
the qemu driver will return success with a null connection URI.
This ordering is safe since the xen drivers will decline when not
running the xen kernel.

If a 8021.Qbh network device supports SRIOV and its VF is being used
in pci passthrough mode, when the guest is shutdown or destroyed, the
PF inteface is also brought down. qemuDomainHostdevNetConfigRestore()
finds out the PF for provided hostdev (which is VF) and passes it to
virNetDevPortProfileDisassociate() as linkdev. Later, linkdev gets passed
to virNetDevSetOnline() where the interface is brought down by clearing
IFF_UP flag.

Bringing down a PF, when only VF is being brought down is not expected
behavior. This patch adds a check so that virNetDevSetOnline() is called
only for PF and not if device is a VF.
Signed-off-by: NNishank Trivedi <nistrive@cisco.com>

The loop processing the trusted DHCP server generated one too
many rules and added one final rules that accepted responses
from all DHCP servers. Below patch fixes this.

Recent changes in the security driver discarded changes that fixed
labeling un-confined guests.

virDomainVcpuPinAdd does a realloc on vcpupin_list if the new vcpu pin
definition doesn't fit into the array. The list is an array of pointers
but the function definition didn't support returning the changed pointer
to the caller if it was realloced. This caused segfaults if realloc
would change the base pointer.

virDomainVcpuPinDefCopy when the control flow reaches out of memory
cleanup code, the flow would end in a infinite loop as the loop variable
wasn't decremented.

Also a dereference of NULL pointers was possible if allocation of the
Vcpu pinning definiton structure failed.

Commit d0c0e79a left behind some dead
code (hasDAC can't be efectively set to true, because
virSecurityManagerNew fails to load the "dac" driver).

This patch also enhances the condition for adding the default
auto-detected security manager if the manager array is allocated but
empty.

Also the configuration file for qemu driver still contains reference to
the DAC driver that can't be enabled manualy.

Before commit 05447e3a, qemuAgentCommand
blocked until it got a reply or appropriate event. When new parameter
was added to qemuAgentCommand in the above commit, all existing callers
of it were updated in a wrong way changing them from blocking to
5-seconds timeout.

The @timeout parameter of qemuAgentSend is both redundant and confusing.
This patch should not result in any functional changes.

This bug was revealed by the crash described in

  https://bugzilla.redhat.com/show_bug.cgi?id=852383

The vlan info pointer sent to virNetDevOpenvswitchAddPort should never
be non-NULL unless there is at least one tag. The factthat such a vlan
info pointer was receveid pointed out that a caller was passing the
wrong pointer. Instead of sending &net->vlan, the result of
virDomainNetGetActualVlan(net) should be sent - that function will
look for vlan info in net->data.network.actual->vlan, and in cany case
return NULL instead of a pointer if the vlan info it finds has no
tags.

Aside from causing the crash, sending a hardcoded &net->vlan has the
effect of ignoring vlan info from a <network> or <portgroup> config.

As pointed by Eric Blake

Fixup buffer usage when handling VLANs. Also fix the logic
used to determine if the virNetDevVlanPtr is valid or not.
Fixes crashes in the latest code when using Open vSwitch
virtualports.
Signed-off-by: NKyle Mestery <kmestery@cisco.com>

As the next boot doesn't have to worry about the previous numa
params setting (there is no).

If no 'security_driver' config option was set, then the code
just loaded the 'dac' security driver. This is a regression
on previous behaviour, where we would probe for a possible
security driver. ie default to SELinux if available.

This changes things so that it 'security_driver' is not set,
we once again do probing. For simplicity we also always
create the stack driver, even if there is only one driver
active.

The desired semantics are:

 - security_driver not set
     -> probe for selinux/apparmour/nop
     -> auto-add DAC driver
 - security_driver set to a string
     -> add that one driver
     -> auto-add DAC driver
 - security_driver set to a list
     -> add all drivers in list
     -> auto-add DAC driver

It is not allowed, or possible to specify 'dac' in the
security_driver config param, since that is always
enabled.
Signed-off-by: NDaniel P. Berrange <berrange@redhat.com>

The security driver loading code in qemu has a flaw that causes it to
register the DAC security driver twice. This causes problems (machines
unable to start) as the two DAC drivers clash together.

This patch refactors the code to allow loading the DAC driver even if
its specified in configuration (it can't be registered as a common
security driver), and does not add the driver twice.

This reverts commit 9f9b7b85.

The DAC security driver needs special handling and extra parameters and
can't just be added to regular security drivers.

If cgroups are enabled in general but cpu cgroup is disabled in
qemu.conf or not mounted at all, libvirt would refuse to start any
domain even though scheduler parameters are not set in domain XML.

This patch makes cpu cgroup mandatory only for domains that actually
want to use it.

* src/security/security_dac.c: remove useless dead code.
Signed-off-by: NAlex Jia <ajia@redhat.com>

* configure.ac docs/news.html.in libvirt.spec.in: updates for the release
* po/*.po*: update localizations for zh_CN, uk, ja, pt_BR, as, sp, mr, zh_TW

To silence error if DBus support is not compiled in.

Fedora uses gawk as awk so there's no change and in behavior while
Debian/Ubuntu use mawk by default.

This was reported by Luca Capello in
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=636712

* src/util/virnetdevopenvswitch.c (virNetDevOpenvswitchAddPort): avoid libvirtd
crash due to derefing a NULL virtVlan->tag.

RHBZ: https://bugzilla.redhat.com/show_bug.cgi?id=852383Signed-off-by: NAlex Jia <ajia@redhat.com>

To keep the internal data structure consistent.

The commits d5756794 and
080bf330 made use directly of
macro defined in recent linux netlink version. Make those
part conditional on the definition

* daemon/libvirtd.c: do not use NETLINK_ROUTE and NETLINK_KOBJECT_UEVENT
  without some check first