Status of ARM features (Was: Re: Xen 4.6 Development Update (four months reminder))

[Julien Grall <julien.grall@citrix.com>]

(trimming the list of cc)

Hi Wei,


On 13/05/2015 06:01, wei.liu2@citrix.com wrote:
> === Hypervisor ARM ===
>
> *  Mem_access for ARM (good)
>     v15 posted
>    -  Tamas K Lengyel

I think all the patches for this patch series has been pushed. Tamas, 
Can you confirm?

>
> *  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

It has been pushed to Xen.

>
> *  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 (none)
>    -  Manish Jaggi
>    -  Vijay Kilari

   * ARM GICv2 on GICv3 support (fair)
      - Julien Grall

[..]
> == Deferred ==

[..]

> *  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

I think you can drop this item. We don't expect to have code in Linux 
for non-PCI passthrough until we got a real need to do it .

[..]

> == Completed ==

> *  ARM - passthrough of non-PCI (ok)
>    -  Julien Grall

To be fair, this feature is not yet completed. There is some outstanding 
patches on the ML due to build issue.

Regards,

-- 
Julien Grall