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[Xen-devel] 4.2 TODO List

Day late due to doc day yesterday. FYI I'll be at the hackathon next
week so I expect I'll be skipping that update.

As usual please ping me with any updates/corrections.

hypervisor, blockers:
      * domctls / sysctls set up to modify scheduler parameters, like
        the credit1 timeslice and schedule rate. (George Dunlap, patches
tools, blockers:

      * libxl stable API -- we would like 4.2 to define a stable API
        which downstream's can start to rely on not changing. Aspects of
        this are:
              * add libxl_defbool and generally try and arrange that
                memset(foo,0,...) requests the defaults (Ian Campbell,
                patches reposted)
              * Safe fork vs. fd handling hooks. This is an API
                addition, so maybe not required fro stable API, bit need
                to have for 4.2? (Ian J, patches posted)
              * xl feature parity with xend wrt driver domain support
                (George Dunlap)
              * More formally deprecate xm/xend. Manpage patches already
                in tree. Needs release noting and communication around
                -rc1 to remind people to test xl.
      * Correct paging/sharing tools buffer mlocking (Tim, Andres,
        patches posted)
      * Autoconf (Roger Pau Monnà & Ian J, DONE)
      * xl support for "rtc_timeoffset" and "localtime" (Nobody AFAICT)

hypervisor, nice to have:
      * solid implementation of sharing/paging/mem-events (using work
        queues) (Tim Deegan, Olaf Herring et al)
      * A long standing issue is a fully synchronized p2m (locking
        lookups) (Andres Lagar-Cavilla, DONE)

tools, nice to have:

      * Hotplug script stuff -- internal to libxl (I think, therefore I
        didn't put this under stable API above) but still good to have
        for 4.2? (Roger Pau MonnÃ, patches posted)
      * Block script support -- follows on from hotplug script (Roger
        Pau MonnÃ)
      * Configure/control paging via xl/libxl (Olaf Herring)
      * Upstream qemu feature patches:
              * Upstream qemu PCI passthrough support (Anthony Perard,
                patches sent)
              * Upstream qemu save restore (Anthony Perard, Stefano
                Stabellini, patches sent, waiting for upstream ack)
      * Nested-virtualisation (currently should be marked experimental,
        likely to release that way? Consider nested-svm separate to
        nested-vmx. Nested-svm is in better shape)
      * Initial xl support for Remus (memory checkpoint, blackholing)
        (Shriram, patches posted, blocked behind qemu save restore
      * xl support for autospawning vncviewer (vncviewer=1 or otherwise)
        (Nobody AFAICT)

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