Re: [Xen-devel] Xen 4.6 Development Update (five months reminder, 5 WEEKS TO FREEZE)

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----Original Message-----
> > *  Intel GVT-g (none)
> >     requires refactoring ioreq-server, fixing 16-byte MMIO emulation
> >     and optional PV IOMMU support
> >    -  Yu, Zhang
> ioreq-server: still in development. Previously tried to refactor the
> ioreq-server to track the IO resources by using radix tree. Yet this
> approach would consume too much memory space. Now trying to use the
> interval rbtree. Will send the patch out ASAP.
> 
> fixing 16-byte MMIO emulation: Paul Durrant has been working on this.
> 

I have what I believe is a complete patch series. Now trying to write some 
targeted test cases, but will try to clean up the series and post for review 
today whilst I continue working on the tests.

  Paul

> PV IOMMU support: Malcolm Crossley has been preparing the draft design.
> We had several rounds internal discussion about how this design covers
> the basic requirement of XenGT. Will continue the discussion and prepare
> the patch once the design is sent to the community.
> 
> BTW, thank you Paul & Malcolm. :-)
> 
> Yu
> 
> >
> > *  Porting Intel P-state driver to Xen (fair)
> >    -  Wang, Wei
> >
> > *  VT-d Posted-interrupt (PI) (good)
> >     v2 posted
> >    -  Wu, Feng
> >
> > *  Support controlling the max C-state sub-state (fair)
> >     v3 posted
> >     Hadn't see the patch reposted.
> >    -  Ross Lagerwall
> >
> > *  IOMMU ABI for guests to map their DMA regions (fair)
> >    -  Malcolm Crossley
> >
> > *  RMRR fix (fair)
> >     RFC posted
> >    -  Tiejun Chen
> >
> > *  VPMU - 'perf' support in Xen (good)
> >     v21 posted
> >     Need reviews/final ack.
> >    -  Boris Ostrovsky
> >
> > *  PVH domU (fair)
> >     RFC posted
> >    -  Elena Ufimtseva
> >
> > === Hypervisor ARM ===
> >
> > *  ITS support (fair )
> >    -  Vijaya Kumar K
> >
> > *  Add ACPI support for arm64 on Xen (fair)
> >     RFC posted
> >    -  Parth Dixit
> >
> > *  ARM remote processor iommu module (GPUs + IPUs) (fair)
> >     v3 posted
> >    -  Andrii Tseglytskyi
> >
> > *  ARM VM save/restore/live migration (none)
> >     Need to rebased against migrationv2 - no code posted.
> >    -  None
> >
> > *  ARM GICv2m support (none)
> >    -  Suravee Suthikulanit
> >
> > *  ARM  PCI passthrough (fair)
> >    -  Manish Jaggi
> >
> > *  ARM GICv2 on GICv3 support (none)
> >    -  Julien Grall
> >    -  Vijay Kilari
> >
> > == Xen toolstack ==
> >
> > *  Split libxc into multiple libraries (none)
> >    -  Ian Campbell
> >
> > *  Remus using migration-v2 (good)
> >     RFC posted - depends on v6 of 'New Migration'
> >    -  Yang Hongyang
> >
> > *  Migration v2 (libxl) (none)
> >    -  Andrew Cooper
> >
> > *  toolstack-based approach to pvhvm guest kexec (fair)
> >     also contains hypervisor side change, v6
> >    -  Vitaly Kuznetsov
> >
> > *  libxl: cancelling asynchronous operations (fair)
> >     RFC posted
> >    -  Ian Jackson
> >
> > *  VMware tools support (ok)
> >    -  Don Slutz
> >
> > *  PV USB support in libxl (fair)
> >    -  Chunyan Liu
> >
> > *  HVM USB support in libxl (fair)
> >     depend on PV USB support
> >    -  George Dunlap
> >
> > *  Blktap2 support (fair)
> >    -  George Dunlap
> >
> > *  pvscsi in libxl (fair)
> >    -  Juergen Gross and Olaf
> >
> > *  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
> >
> > *  snapshot API extension (checkpointing disk) (fair)
> >     v10
> >    -  Chunyan Liu
> >
> > *  PVH - Migration of PVH DomUs. (none)
> >     Depends on migration2 code
> >     v1 posted
> >    -  Roger Pau Monné
> >
> > *  PVH - Migration of guests from a PVH dom0  (fair)
> >     Depends on migration2 code
> >    -  Roger Pau Monné
> >
> > == QEMU ==
> >
> > *  Restrict QEMU
> >    -  Stefano Stabellini
> >
> > *  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 ==
> >
> > *  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 ==
> >
> > == FreeBSD ==
> >
> > *  PVH FreeBSD dom0 (ok)
> >     FreeBSD 11 goal. Toolstack side done in Xen 4.5
> >    -  Roger Pau Monné
> >
> > == Other OSes (MiniOS, QNX) ==
> >
> > *  ARM - MiniOS (fair)
> >     v7 posted
> >    -  Thomas Leonard
> >
> > *  PV drivers for automotive kernels (fair)
> >    -  Artem Mygaiev
> >
> > == OSSTEST ==
> >
> > *  OSSTest: stubdom test case (fair)
> >    -  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 Monné
> >
> > *  Nested virt test case
> >
> > *  v8 posted (fair)
> >    -  Robert Hu
> >
> > == Deferred ==
> >
> > *  HT enabled with credit has 7.9 per perf drop. (none)
> >     kernbench demonstrated it
> >     http://www.gossamer-threads.com/lists/xen/devel/339409
> >     This has existed since credit1 introduction.
> >    -  Dario Faggioli
> >
> > *  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 ==
> >
> > *  setup CI loop for OpenStack (fair)
> >    -  Anthony Perard
> >
> > *  Display IO topology when PXM data is available (good)
> >     v7 posted
> >    -  Boris Ostrovsky
> >
> > *  ARM: reenable support 32-bit userspace running in 64-bit guest (good)
> >     v2 posted
> >    -  Ian Campbell
> >
> > *  Mem_access for ARM (good)
> >     v15 posted
> >    -  Tamas K Lengyel
> >
> > *  Clean-up of mem-event subsystem (good)
> >     v9 posted
> >    -  Tamas K Lengyel
> >
> > *  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 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
> >
> > *  arm: introduce basic Renesas R-Car Gen2 platform support (done)
> >     v5 posted
> >    -  Oleksandr Tyshchenko
> >
> >
> >
> >
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxx
> > http://lists.xen.org/xen-devel
> >

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