mirror of
https://gitlab.com/libvirt/libvirt.git
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280 lines
9.2 KiB
XML
280 lines
9.2 KiB
XML
<?xml version="1.0"?>
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<!-- libvirt release notes
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This file will be processed to produce both HTML and plain text versions
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of the release notes.
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Keep the style consistent with existing entries as much as possible:
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each change should be documented by a short, one-sentence summary
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and optionally a description where it's explained in more detail -->
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<libvirt>
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<release version="v3.0.0" date="unreleased">
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<section title="New features">
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<change>
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<summary>
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New localPtr attribute for "ip" element in network XML
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</summary>
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</change>
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<change>
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<summary>
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qemu: Support QEMU group I/O throttling
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</summary>
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<description>
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Add the capability to allow group I/O throttling via a new
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domain <disk> <iotune> subelement "group_name"
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to allow sharing I/O throttling quota between multiple drives.
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</description>
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</change>
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<change>
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<summary>
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nss: Introduce <code>libvirt-guest</code>
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</summary>
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<description>
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New <code>libvirt-guest</code> nss module that translates libvirt
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guest names into IP addresses.
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</description>
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</change>
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<change>
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<summary>
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daemon: Add support for runtime logging settings adjustment
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</summary>
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<description>
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Logging-related settings like log outputs and filters can now be
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adjusted during runtime using the admin interface without the
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necessity of the daemon's restart.
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</description>
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</change>
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<change>
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<summary>
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storage: Add virStorageVolInfoFlags API
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</summary>
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<description>
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Add the API to support using the VIR_STORAGE_VOL_GET_PHYSICAL
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flag in order to return the host physical size in bytes
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of the image container in the allocation field of the
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_virStorageVolInfo structure. The --physical flag has been
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added to the virsh vol-info command to access the data.
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</description>
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</change>
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<change>
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<summary>
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libxl: Implement virDomainGetMaxVcpus API
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</summary>
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</change>
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</section>
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<section title="Improvements">
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<change>
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<summary>
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perf: Add more perf statistics
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</summary>
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<description>
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Add support to get the count of branch instructions
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executed, branch misses, bus cycles, stalled frontend
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cpu cycles, stalled backend cpu cycles, and ref cpu
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cycles by applications running on the platform.
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</description>
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</change>
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<change>
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<summary>
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conf: Display <physical> for volume xml
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</summary>
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<description>
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Add a display of the <physical> size of a disk
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volume in the output of the volume XML.
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</description>
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</change>
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<change>
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<summary>
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qemu: Use virtio-pci by default for aarch64 mach-virt guests
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</summary>
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<description>
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virtio-pci provides several advantages over virtio-mmio, such
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as the ability to hotplug devices and improved performance.
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While opting in to virtio-pci has been possible for a while,
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newly-defined guests will now use it automatically.
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</description>
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</change>
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<change>
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<summary>
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vbox: remove support for VirtualBox 3.x and older
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</summary>
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<description>
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Those old VirtualBox versions have been unsupported by
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upstream for a long time and the API of 4.0 and newer has
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diverged enough to require code abstractions to handle differences.
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Removing support for those old versions drops lots of code from
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the driver and simplifies the logic to ease implementation of new
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features going forward.
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</description>
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</change>
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<change>
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<summary>
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virsh: pool-info: introduce option --bytes
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</summary>
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<description>
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Add option --bytes to virsh pool-info in order ti allow display
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of units in bytes rather than default of human readable output.
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</description>
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</change>
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</section>
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<section title="Bug fixes">
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<change>
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<summary>
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qemu: Correct GetBlockInfo values
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</summary>
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<description>
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For an active domain, correct the physical value provided for
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a raw sparse file backed storage and the allocation value provided
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for a qcow2 file backed storage that hasn't yet been opened on
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the domain.
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</description>
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</change>
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<change>
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<summary>
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qemu: Make virtio console usable on ppc64 guests
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</summary>
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<description>
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The chardev detection code has been improved and can now handle this
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configuration properly.
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</description>
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</change>
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<change>
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<summary>
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qemu: Enable mount namespace
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</summary>
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<description>
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To avoid funny races with udev relabelling devices under our hands and
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to enhance security, libvirt now spawns each qemu process with its own
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<code>/dev</code>.
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</description>
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</change>
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</section>
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</release>
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<release version="v2.5.0" date="2016-12-04">
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<section title="New features">
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<change>
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<summary>
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shmem: Add support for additional models
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</summary>
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<description>
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The shmem device can now utilize QEMU's ivshmem-plain and
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ivshmem-doorbell, more modern versions of ivshmem.
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</description>
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</change>
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<change>
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<summary>
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vbox: Add VirtualBox 5.1 support
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</summary>
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</change>
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<change>
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<summary>
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libssh: New transport
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</summary>
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<description>
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The new libssh transport allows one to connect to a running
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libvirtd via SSH, using the libssh library; for example:
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<tt>qemu+libssh://<i>server</i>/system</tt>.
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</description>
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</change>
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<change>
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<summary>
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vhost-scsi: Add support scsi_host hostdev passthrough
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</summary>
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<description>
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Add the capability to pass through a scsi_host HBA and the
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associated LUNs to the guest.
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</description>
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</change>
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<change>
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<summary>
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qemu: Users can now enable debug logging for native gluster
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volumes in qemu using the "gluster_debug_level" option in qemu.conf
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</summary>
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</change>
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<change>
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<summary>
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memory hotplug: Slot numbers for memory devices are now
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automatically allocated and thus persistent. In addition slot numbers
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can be specified without providing a base address, which simplifies
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user configuration
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</summary>
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</change>
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<change>
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<summary>
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qemu: Express devices will be placed on PCIe bus by default
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</summary>
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<description>
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For machine types that use a PCI Express root bus
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(e.g. x86_64/Q35 and aarch64/virt), any unaddressed PCI
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device that is an Express device (all virtio-1.0 devices,
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e1000e, nec-xhci, vfio assigned devices) will be placed on
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an Express controller (i.e. a pcie-root-port) instead of a
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legacy PCI controller (i.e. pci-bridge) with the root ports
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added as needed.
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</description>
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</change>
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</section>
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<section title="Improvements">
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<change>
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<summary>
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docs: Better documentation for migration APIs and flags
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</summary>
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</change>
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<change>
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<summary>
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vbox: Address thread safety issues
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</summary>
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</change>
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<change>
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<summary>
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virsh: Add support for passing an alternative persistent XML
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to migrate command
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</summary>
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</change>
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<change>
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<summary>
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vhostuser: Allow hotplug of multiqueue devices
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</summary>
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</change>
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<change>
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<summary>
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NEWS: Switch to an improved format
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</summary>
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<description>
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List user-visible changes instead of single commits for a better
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high-level overview of differences between libvirt releases.
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</description>
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</change>
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<change>
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<summary>
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website: Modernize layout and branding
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</summary>
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<description>
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The libvirt website looked very cluttered and outdated; it has now
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been completely overhauled, resulting in a design that's better
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organized and more pleasant to look at.
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</description>
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</change>
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</section>
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<section title="Bug fixes">
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<change>
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<summary>
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vz: Fix migration in P2P mode
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</summary>
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</change>
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<change>
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<summary>
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Forbid newline character in names of some libvirt objects
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</summary>
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</change>
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<change>
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<summary>
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Fix compilation on macOS
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</summary>
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</change>
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</section>
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</release>
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</libvirt>
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