[PATCH] NEWS: Mention stuff I've dealt with for 7.0.0

Ján Tomko jtomko at redhat.com
Wed Jan 13 09:50:19 UTC 2021

On a Wednesday in 2021, Michal Privoznik wrote:
>Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
> NEWS.rst | 47 +++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 47 insertions(+)
>diff --git a/NEWS.rst b/NEWS.rst
>index 07cec19c2b..b9a3d94eb2 100644
>--- a/NEWS.rst
>+++ b/NEWS.rst
>@@ -48,6 +48,28 @@ v7.0.0 (unreleased)
>     an usage name which would not pass the XML validation. Relax the requirement
>     to make such XMLs valid.
>+  * virnetdevopenvswitch: Various improvements
>+    The code that handles ``<interface type='vhostuser'/>`` was given various
>+    improvements. So far, libvirt assumed vhostuser interfaces are handled
>+    exclusively by OpenVSwitch and refused to start a guest if it was not so.
>+    Now a guest can be started successfully even if the interface is created by
>+    some other tool (e.g. ``dpdk-testpmd``). Also, the code that detects the
>+    interface name was adopted to new versions of OpenVSwitch and thus can


>+    detect name more reliably.
>+  * qemu: Report guest disks informations in ``virDomainGetGuestInfo``
>+    Libvirt is now able to report disks and filesystems from the guest's
>+    perspective (using guest agent). And with sufficiently new guest agent
>+    (5.3.0 or newer) the API also handles disks on CCW bus.

>+  * conf: Add support for keeping TPM emulator state

Is this a new feature, maybe?

>+    Currently, swtpm TPM state file is removed when a transient domain is
>+    powered off or undefined. Add per-TPM emulator option ``persistent_sate``

Ouch, did we introduce another XML element using an underscore?


>+    for keeping TPM state.

> * **Bug fixes**
>   * qemu: Fix logic bug in inactive snapshot deletion
>@@ -69,6 +91,31 @@ v7.0.0 (unreleased)
>     amount of initial memory. Existing guests that migrate from an older
>     libvirt version to 7.0.0 will not be affected by this change.
>+  * qemu: Don't cache NUMA caps
>+    ``virsh capabilities`` contains ``<topology/>`` section which reports NUMA
>+    topology among with amount of free hugepages per each NUMA node. However,
>+    these amounts were not updated between calls.
>+  * networkGetDHCPLeases: Handle leases with infinite expiry time
>+    Since libvirt-6.3.0 it is possible to configure expiry time for DHCP
>+    leases. If the expiry time was infinite then ``virsh net-dhcp-leases``
>+    and NSS plugins refused to work.
>+  * qemu: Don't prealloc mem for real NVDIMMs
>+    If a real life NVDIMM is assigned to a guest via ``<memory model='nvdimm'/>``
>+    then QEMU is no longer instructed to preallocate memory
>+    for it. This prevents unnecessary wear off of the NVDIMM.

s/wear off of/wear on/

>+  * network: Introduce mutex for bridge name generation
>+    When new libvirt network is defined or created and the input XML does not
>+    contain any bridge name, libvirt generates one. However, it might have
>+    happened that the same name would be generated for different networks if
>+    two or more networks were defined/created at once.

Reviewed-by: Ján Tomko <jtomko at redhat.com>

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