Re: Xen 4.6 Development Update (four months reminder)

[Yang Hongyang <yanghy@cn.fujitsu.com>]

On 05/13/2015 01:01 PM, wei.liu2@citrix.com wrote:
> (Note, please trim your quotes when replying, and also trim the CC list if
> necessary. You might also consider changing the subject line of your reply to
> "Status of  (Was: Xen 4.6 Development Update (X months reminder)")
>
> Hi all
>
> We are now four months into 4.6 development window. This is an email to keep
> track of all the patch series I gathered. It is by no means complete and / or
> acurate. Feel free to reply this email with new projects or correct my
> misunderstanding.
>
> = Timeline =
>
> We are planning on a 9-month release cycle, but we could also release a bit
> earlier if everything goes well (no blocker, no critical bug).
>
> * Development start: 6 Jan 2015
> <=== We are here ===>
> * Feature Freeze: 10 Jul 2015
> * RCs: TBD
> * Release Date: 9 Oct 2015 (could release earlier)
>
> The RCs and release will of course depend on stability and bugs, and
> will therefore be fairly unpredictable.
>
> Bug-fixes, if Acked-by by maintainer, can go anytime before the First
> RC. Later on we will need to figure out the risk of regression/reward
> to eliminate the possiblity of a bug introducing another bug.
>
> = Prognosis =
[...]
>
> *  COarse-grain LOck-stepping Virtual Machines in Xen (fair)
>     RFC v5 posted
>    -  Wen Congyang
>    -  Gui Jianfeng
>    -  Yang Hongyang
>    -  Dong, Eddie
>
> *  tmem migrationv2 patches. (none)
>    -  Bob Liu & Andrew Cooper & David Vrabel
>
> *  Remus using migration-v2 (fair)
>     RFC posted - depends on v6 of 'New Migration'
>    -  Yang Hongyang

I think this should be ok or good, I've just sent out the v3 series
of Remus migration-v2 support.

>
> *  snapshot API extension (checkpointing disk) (fair)
>     v10
>    -  Chunyan Liu
>
> *  PVH - Migration of PVH DomUs. (none)
>     Depends on migration2 code
>     v1 posted
>    -  Roger Pau Monn�
>
> *  PVH - Migration of guests from a PVH dom0  (fair)
>     Depends on migration2 code
>    -  Roger Pau Monn�
>
> == QEMU ==
>
> *  Linux-based QEMU upstream stub domain (fair)
>     RFC posted
>    -  Eric Shelton
>
> *  Using qemu-upstream in a stubdomain (none)
>     Will use rump kernels.
>    -  Wei Liu
>
> *  Intel IGD PCI GPU passthrough (ok)
>     v5 posted
>    -  Chen, Tiejun
>
> == Linux ==
>
> *  Linux ARM - Device assigment (PCI) (none)
>     Depends on Xen pieces which are on the Xen 4.6 list.
>    -  Manish Jaggi
>
> *  VPMU - 'perf' support in Linux (ok)
>     Depends on Xen patches
>     Acked by David Vrabel
>    -  Boris Ostrovsky
>
> *  vNUMA in Linux (ok)
>     v6 posted
>    -  Wei Liu
>
> *  COLO Agent in Linux (fair)
>    -  Gui Jianfeng
>    -  Yang Hongyang
>    -  Dong, Eddie
>
> *  ARM64 - support 64K guest (none)
>    -  Julien Grall
>
> == OpenStack ==
>
> *  setup CI loop for OpenStack (fair)
>    -  Anthony Perard
>
> == FreeBSD ==
>
> *  PVH FreeBSD dom0 (ok)
>     FreeBSD 11 goal. Toolstack side done in Xen 4.5
>    -  Roger Pau Monn�
>
> == Other OSes (MiniOS, QNX) ==
>
> *  ARM - MiniOS (fair)
>     v7 posted
>    -  Thomas Leonard
>
> *  PV drivers for automotive kernels (fair)
>    -  Artem Mygaiev
>
> *  mini-os: xenbus changes for rump kernels (ok)
>     git://xenbits.xen.org/people/iwj/rumpuser-xen.git
>     branch: base.dev-xen-xenbus.v1..dev-xen-xenbus.v1
>     v2 posted
>    -  Ian Jackson
>
> == OSSTEST ==
>
> *  OSSTest: studom test case (none)
>    -  Wei Liu
>
> *  OSSTest: libvirt migration (fair)
>    -  Wei Liu
>
> *  OSSTest: upgrade to Debian Jessie (none)
>    -  Wei Liu
>
> *  OSSTest: performance test (fair)
>    -  Dario Faggioli
>
> *  CPU pool test case (fair)
>    -  Dario Faggioli
>
> *  Add a FreeBSD host (fair)
>    -  Roger Pau Monn�
>
> *  Nested virt test case
>
> *  v8 posted (fair)
>    -  Robert Hu
>
> == Deferred ==
>
> *  ucode=scan also scan compressed initramfs (none)
>    -  Konrad Rzeszutek Wilk
>
> *  adjust log buffer based on memmap size (none)
>    -  Konrad Rzeszutek Wilk
>
> *  Further tmem cleanups/fixes (fair)
>    -  Bob Liu
>
> *  1TB slow destruction (ok)
>    -  Bob Liu
>
> *  cpuid leveling (none)
>     http://xenbits.xen.org/people/andrewcoop/feature-levelling/feature-levelling-D.pdf
>    -  Andrew Cooper
>
> *  IO-NUMA - hwloc and xl (none)
>     Andrew Cooper had an RFC patch for hwloc
>     add restrictions  as to which devices cannot safely/functionally be split apart.
>    -  Boris Ostrovsky
>
> *  Convert tasklet to per-cpu tasklets (fair)
>     RFC posted
>    -  Konrad Rzeszutek Wilk
>
> *  Xen Boot Information (xbi) (ok)
>     Dependency for GRUB2 + EFI work
>     http://lists.xen.org/archives/html/xen-devel/2014-10/msg02068.html
>     v4, No go for full patchset. Only some of the patches.
>     No ARM EFI hardware (yet) available to test them.
>    -  Daniel Kiper
>
> *  Linux ARM - Device assigment usage in Linux code (arch/arm) non-PCI (none)
>     Depends on Xen pieces which are on the Xen 4.6 list.
>    -  Julien Grall
>
> == Completed ==
>
> *  New Migration (v2). (good)
>     v9 (libxc)
>     git://xenbits.xen.org/people/andrewcoop/xen.git
>     Seems that it might need to slip or we run v1 alongside v2.
>    -  Andrew Cooper & David Vrabel
>
> *  libxl: add qxl vga interface support for upstream qemu (fair)
>    -  Fabio Fantoni
>
> *  ARM - passthrough of non-PCI (ok)
>    -  Julien Grall
>
> *  Intel Cache Allocation Technology (good)
>    -  Chao Peng
>
> *  Intel PML (Page Modification Logging) for Xen (good)
>     v1 posted
>    -  Kai Huang
>
> *  Regression in PCI passthrough of INTx legacy devices can trigger list corruption (good)
>     Sander reported it. Two different types of patches available.
>    -  Konrad Rzeszutek Wilk
>
> *  HVM guest NUMA (SRAT) (good)
>     See vNUMA in Xen toolstack
>    -  Wei Liu
>
> *  vNUMA in Xen toolstack (good)
>     v8 posted
>    -  Wei Liu
>
> *  Intel memory bandwidth monitoring for VMs (fair)
>     v9 posted
>    -  Chao Peng
>
> *  ARM - SMMU resync of Linux's one (ok)
>    -  Julien Grall
>
> *  Add support for Xilinx ZynqMP SoC (fair)
>    -  Edgar E. Iglesias
>
> *  Add support for Huawei hip04-d01 platform (ok)
>    -  Frediano Ziglio
>
> *  Thunder X platform support (ok)
>    -  Vijay Kilari
>
> *  Splitting off mini-os (done)
>    -  Wei Liu
>
> *  OVMF on ARM (done)
>     v4 posted
>    -  Ard Biesheuvel
>
> *  Update Xen tree to use upstream OVMF (done)
>    -  Anthony PERARD
>
> *  Enable vTPM subsystem on TPM 2.0 (done)
>    -  Xu, Quan
>
> *  SPICE support improvement (done)
>    -  Fabio Fantoni
>
> .
>

-- 
Thanks,
Yang.

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