[Xen-devel] Xen 4.11 Development Update

[Juergen Gross <jgross@xxxxxxxx>]

This email only tracks big items for xen.git tree. Please reply for items you
would like to see in 4.11 so that people have an idea what is going on and
prioritise accordingly.

You're welcome to provide description and use cases of the feature you're
working on.

= Timeline =

We now adopt a fixed cut-off date scheme. We will release twice a
year. The upcoming 4.11 timeline are as followed:

* Last posting date: March 16th, 2018
  We are here
* Hard code freeze: March 30th, 2018
* RC1: TBD
* Release: June 1st, 2018

Note that we don't have freeze exception scheme anymore. We are not
accepting new features any more for Xen 4.11 now.
Patche series pending will need to be committed before March 30th, 2018 to
make it into 4.11.
All other patches will be automatically queued into next release.

RCs will be arranged immediately after freeze.

We recently introduced a jira instance to track all the tasks (not only big)
for the project. See: https://xenproject.atlassian.net/projects/XEN/issues.

Most of the tasks tracked by this e-mail also have a corresponding jira task
referred by XEN-N.

I have started to include the version number of series associated to each
feature. Can each owner send an update on the version number if the series
was posted upstream?

= Projects =

== Hypervisor == 

*  Per-cpu tasklet
  -  XEN-28
  -  Konrad Rzeszutek Wilk

=== x86 === 

*  guest resource mapping (v17)
  -  Paul Durrant

*  vNVDIMM support for HVM guest (RFC v4)
  -  XEN-45
  -  Haozhong Zhang

*  hypervisor x86 instruction emulator additions (v4)
  -  Jan Beulich

*  PV-IOMMU
  -  Paul Durrant

*  HVM guest CPU topology support (RFC)
  -  Chao Gao

*  Vixen: A PV-in-HVM shim (v3)
  -  Anthony Liguori

*  Intel Processor Trace virtualization enabling (v1)
  -  Luwei Kang

*  PCI config space emulation in Xen for PVH Dom0 (v8)
  -  Roger Paul Monné

*  XPTI speedup (v2)
  -  Juergen Gross

=== ARM === 

*  SMMUv3 driver (RFC v4)
  -  Sameer Goel

*  IORT support (RFC)
  -  Manish Jaggi

*  Implement branch predictor hardening for affected Cortex-A CPUs (v1)
  -  Julien Grall

*  New VGIC(-v2) implementation (v1)
  -  Andre Przywara

== Grub2 == 

*  Support PVH guest boot (v1)
  -  Juergen Gross

== Completed == 

=== x86 === 

*  Add dmops to allow use of VGA with restricted QEMU
  -  Ross Lagerwall

*  Enable Memory Bandwidth Allocation in Xen
  -  XEN-48
  -  Yi Sun

*  Comet: Run PV in PVH container
  -  Wei Liu

*  Mitigations for SP2/CVE-2017-5715/Branch Target Injection
  -  Andrew Cooper

*  Mitigations for Meltdown/CVE-2017-5754
  -  Jan Beulich


Juergen Gross

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