Re: [Xen-devel] 4.2 TODO update

["Andres Lagar-Cavilla" <andres@xxxxxxxxxxxxxxxx>]

> Date: Mon, 20 Feb 2012 15:52:01 +0000
> From: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
> To: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
> Subject: [Xen-devel] 4.2 TODO update
> Message-ID: <1329753121.3990.67.camel@xxxxxxxxxxxxxxxxxxxxxx>
> Content-Type: text/plain; charset="UTF-8"
>
> This weeks update. As usual please ping me with any updates.
>
> hypervisor, blockers:
>       * round-up of the closing of the security hole in MSI-X
>         passthrough (uniformly - i.e. even for Dom0 - disallowing write
>         access to MSI-X table pages). (Jan Beulich, DONE)
>       * domctls / sysctls set up to modify scheduler parameters, like
>         the credit1 timeslice and schedule rate. (George Dunlap)
>       * get the interface changes for sharing/paging/mem-events done and
>         dusted so that 4.2 is a stable API that we hold to. (Tim Deegan,
>         Andres Lagar-Cavilla et al)
>               * sharing patches posted (DONE)
>
> 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)
>               * 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)
Will post later in the week.

>       * Autoconf (Roger Pau Monn? & Ian J, blocked on test
>         infrastructure changes, Roger to respin patch when test system
>         ready for new features)
>       * 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, patches posted?)
This one is DONE

Thanks,
Andres
>
> 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 Monn?, patches posted)
>       * Block script support -- follows on from hotplug script (Roger
>         Pau Monn?)
>       * 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)
>       * xl support for autospawning vncviewer (vncviewer=1 or otherwise)
>         (Nobody AFAICT)
>
>



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