On Tue, Apr 14, 2015 at 12:27 PM, <wei.l...@citrix.com> wrote: > Hi all > > We are now three 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 = > > The states are: none -> fair -> ok -> good -> done > > none - nothing yet > fair - still working on it, patches are prototypes or RFC > ok - patches posted, acting on review > good - some last minute pieces > done - all done, might have bugs > > = Bug Fixes = > > Bug fixes can be checked in without a freeze exception throughout the > freeze, unless the maintainer thinks they are particularly high > risk. In later RC's, we may even begin rejecting bug fixes if the > broken functionality is small and the risk to other functionality is > high. > > Document changes can go in anytime if the maintainer is OK with it. > > These are guidelines and principles to give you an idea where we're coming > from; if you think there's a good reason why making an exception for you > will > help us make Xen better than not doing so, feel free to make your case. > > == Hypervisor == > > * Alternate p2m: support multiple copies of host p2m (ok) > - Ed White > > * Improve RTDS scheduler (none) > - Dagaen Golomb, Meng Xu > > * Credit2: introduce per-vcpu hard and soft affinity (good) > - Justin T. Weaver > > * sndif: add API for para-virtual sound (fair) > v7 posted > - Oleksandr Dmytryshyn > > * gnttab: improve scalability (good) > v5 posted > - Christoph Egger > > * Display IO topology when PXM data is available (good) > v3 posted > - Boris Ostrovsky > > * Xen multiboot2-EFI support (fair) > See http://lists.xen.org/archives/html/xen-devel/2013-05/msg02281.html > RFC posted > - Daniel Kiper > > * Credit2 production ready (none) > cpu pinning, numa affinity and cpu reservation > - George Dunlap > > * VM event patches (none) > Add support for XSETBV vm_events, > Support hybernating guests > Support for VMCALL-based vm_events > - Razvan Cojocaru > > === Hypervisor X86 === > > * Intel Cache Allocation Technology (good) > - Chao Peng > > * VT-d Posted-interrupt (PI) (none) > - Wu, Feng > > * 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 > > * 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 > > * Intel PML (Page Modification Logging) for Xen (none) > design doc posted > - Kai Huang > > * RMRR fix (fair) > RFC posted > - Tiejun Chen > > * VPMU - 'perf' support in Xen (good) > v14 posted > Need reviews/final ack. > - Boris Ostrovsky > > * PVH - AMD hardware support. (fair) > RFC posted > - Elena Ufimtseva > > * PVH dom0 (fair) > RFC posted > - Elena Ufimtseva > > === Hypervisor ARM === > > * Mem_access for ARM (good) > v13 posted > - Tamas K Lengyel >
v14 has been posted as well, v15 will be sent this week. > > * ITS support (fair ) > - Vijaya Kumar K > > * Add ACPI support for arm64 on Xen (fair) > RFC posted > - Parth Dixit > > * ARM: reenable support 32-bit userspace running in 64-bit guest (good) > v2 posted > - Ian Campbell > > * 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 - passthrough of non-PCI (ok) > - Julien Grall > > * ARM PCI passthrough (none) > - Manish Jaggi > - Vijay Kilari > > == Xen toolstack == > > * toolstack-based approach to pvhvm guest kexec (fair) > also contains hypervisor side change > - Vitaly Kuznetsov > > * libxl: add qxl vga interface support for upstream qemu (fair) > - Fabio Fantoni > > * Toolstack-based approach to pvhvm guest kexec (ok) > v4 posted > - Vitaly Kuznetsov > > * libxl: cancelling asynchronous operations (fair) > RFC posted > - Ian Jackson > > * VMware tools support (fair) > - Don Slutz > > * PV USB support in libxl (fair) > - Chunyan Liu > > * HVM USB support in libxl (fair) > - 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 > > * 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 > > * 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 > > * snapshot API extension (checkpointing disk) (fair) > v10 > - Chunyan Liu > > * PVH - Migration of PVH DomUs. (none) > Depends on migration2 code > - Roger Pau Monné > > * PVH - Migration of guests from a PVH dom0 (none) > Depends on migration2 code > - Roger Pau Monné > > * 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 > > == 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 Monné > > == 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 Monné > > * 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 == > > * Clean-up of mem-event subsystem (good) > v7 posted > - Tamas K Lengyel > About half of the series has been merged already, the remaining patches had been posted as v9. > > * 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 > >
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