Xen 4.8 Development Update

Xen 4.8 Development Update

[Wei Liu]

This email only tracks big items for xen.git tree. Please reply for items you
woulk like to see in 4.8 so that people have an idea what is going on and
prioritise accordingly.

You're welcome to provide description and use cases of the feature you're
working on.

= Timeline =

We now adopt a fixed cut-off date scheme. We will release twice a
year. The upcoming 4.8 timeline are as followed:

* Last posting date: September 16, 2016
* Hard code freeze: September 30, 2016
* RC1: TBD
* Release: December 2, 2016

Note that we don't have freeze exception scheme anymore. All patches
that wish to go into 4.8 must be posted no later than the last posting
date. All patches posted after that date will be automatically queued
into next release.

RCs will be arranged immediately after freeze.

= Projects =

== Hypervisor == 

*  Make credit2 default scheduler for Xen
  -  Dario Faggioli

*  Boot Xen on EFI platforms using GRUB2 (multiboot2 protocol)
  -  Daniel Kiper

*  Per-cpu tasklet
  -  Konrad Rzeszutek Wilk

=== x86 === 

*  Allow ioreq server interface to support XenGT
  -  Yu Zhang
  -  Paul Durrant

*  PVHv2 support
  -  Roger Pau Monne

*  vNVDIMM support
  -  Haozhong Zhang

=== ARM === 

*  Livepatching
  -  Konrad Rzeszutek Wilk

*  ITS emulation (Dom0 only)
  -  Andre Przywara

*  Xen ARM DomU ACPI support
  -  Shannon Zhao

*  P2M rework to follow break-before-make sequence
  -  Julien Grall

*  Altp2m for ARM
  -  Sergej Proskurin

== Toolstack == 

*  Remove blktap2
  -  Wei Liu

*  Make ACPI builder available to components other than hvmloader
  -  Boris Ostrovsky

*  Libxl PVSCSI support
  -  Olaf Hering

*  Libxl depriv QEMU
  -  Ian Jackson

*  Logging solution for Xen system
  -  Wei Liu

== Mini-OS == 

*  Mini-os ballooning support
  -  Juergen Gross

== Testing == 

*  Have OSSTest running XTF tests
  -  Wei Liu
  -  Andrew Cooper
  -  Ian Jackson

== Completed == 

*  Load BIOS via toolstack
  -  Anthony Perard

*  Alternative patching support
  -  Julien Grall

*  Clean up all hard-coded paths in toolstack code
  -  Wei Liu

*  Refactor libxl device handling framework
  -  Juergen Gross

*  IOMMU flush issue
  -  Quan Xu

*  Refactor XSM policy
  -  Daniel De Graaf


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Re: Xen 4.8 Development Update

[Andrew Cooper]

On 31/08/16 09:30, Wei Liu wrote:
> == Completed == 
>
> *  Load BIOS via toolstack
>   -  Anthony Perard

This should be removed from the completed section.  It is not yet in a
suitable state for release.

The issue of the "bios.bin" is a release blocker IMO.

~Andrew

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Re: Xen 4.8 Development Update

[Wei Liu]

On Wed, Aug 31, 2016 at 01:37:52PM +0100, Andrew Cooper wrote:
> On 31/08/16 09:30, Wei Liu wrote:
> > == Completed == 
> >
> > *  Load BIOS via toolstack
> >   -  Anthony Perard
> 
> This should be removed from the completed section.  It is not yet in a
> suitable state for release.
> 
> The issue of the "bios.bin" is a release blocker IMO.
> 

That's trivial to fix. Your patch is still in my queue but Anthony is
away -- I will give him a chance to reply to your patch.

Wei.

> ~Andrew

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Re: Xen 4.8 Development Update

[Konrad Rzeszutek Wilk]

> *  Per-cpu tasklet
>   -  Konrad Rzeszutek Wilk

Waiting for review and hopefully test results from Intel.
> === ARM === 
> 
> *  Livepatching
>   -  Konrad Rzeszutek Wilk

Need review from Stefano & Julien.

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Re: Xen 4.8 Development Update

[Dario Faggioli]

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On Wed, 2016-08-31 at 10:21 -0400, Konrad Rzeszutek Wilk wrote:
> > 
> > *  Per-cpu tasklet
> >   -  Konrad Rzeszutek Wilk
> Waiting for review and hopefully test results from Intel.
>
I've just seen it (came back today from vacations)... Interesting bit
of work.

I'll try to have a deep look at the patches ASAP (I'm no maintainer, of
course, but I've played with tasklets a bit, and I at last hope to be
able to be of some help :-P)

Regards,
Dario
-- 
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)


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Re: Xen 4.8 Development Update

[Konrad Rzeszutek Wilk]

On Mon, Sep 05, 2016 at 05:47:54PM +0200, Dario Faggioli wrote:
> On Wed, 2016-08-31 at 10:21 -0400, Konrad Rzeszutek Wilk wrote:
> > > 
> > > *  Per-cpu tasklet
> > >   -  Konrad Rzeszutek Wilk
> > Waiting for review and hopefully test results from Intel.
> >
> I've just seen it (came back today from vacations)... Interesting bit
> of work.

Thank you! 

> 
> I'll try to have a deep look at the patches ASAP (I'm no maintainer, of
> course, but I've played with tasklets a bit, and I at last hope to be
> able to be of some help :-P)

Ohhh you are going to tear the patchsets apart, eh? :-)

> 
> Regards,
> Dario
> -- 
> <<This happens because I choose it to happen!>> (Raistlin Majere)
> -----------------------------------------------------------------
> Dario Faggioli, Ph.D, http://about.me/dario.faggioli
> Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)
> 



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Re: Xen 4.8 Development Update

[Boris Ostrovsky]

On 08/31/2016 04:30 AM, Wei Liu wrote:
>
> *  Make ACPI builder available to components other than hvmloader
>   -  Boris Ostrovsky
>

Stuck due to licensing.


-boris

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Re: Xen 4.8 Development Update

[Juergen Gross]

On 31/08/16 10:30, Wei Liu wrote:
> This email only tracks big items for xen.git tree. Please reply for items you
> woulk like to see in 4.8 so that people have an idea what is going on and
> prioritise accordingly.
> 
> You're welcome to provide description and use cases of the feature you're
> working on.
> 
> = Timeline =
> 
> We now adopt a fixed cut-off date scheme. We will release twice a
> year. The upcoming 4.8 timeline are as followed:
> 
> * Last posting date: September 16, 2016
> * Hard code freeze: September 30, 2016
> * RC1: TBD
> * Release: December 2, 2016
> 
> Note that we don't have freeze exception scheme anymore. All patches
> that wish to go into 4.8 must be posted no later than the last posting
> date. All patches posted after that date will be automatically queued
> into next release.
> 
> RCs will be arranged immediately after freeze.
> 
> = Projects =
> 
> == Mini-OS == 
> 
> *  Mini-os ballooning support
>   -  Juergen Gross

This topic is completed.

Additional topic:
* Mini-OS HVMlite support


Juergen


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Re: Xen 4.8 Development Update

[Sergej Proskurin]

Hi all,

> === ARM === 
>
> *  Altp2m for ARM
>   -  Sergej Proskurin
>

We have submitted a patch-series version 3 and still waiting for
remaining reviews.

Cheers,
~Sergej

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Re: Xen 4.8 Development Update

[Juergen Gross]

On 31/08/16 10:30, Wei Liu wrote:
> This email only tracks big items for xen.git tree. Please reply for items you
> woulk like to see in 4.8 so that people have an idea what is going on and
> prioritise accordingly.
> 
> You're welcome to provide description and use cases of the feature you're
> working on.
> 
> = Timeline =
> 
> We now adopt a fixed cut-off date scheme. We will release twice a
> year. The upcoming 4.8 timeline are as followed:
> 
> * Last posting date: September 16, 2016
> * Hard code freeze: September 30, 2016
> * RC1: TBD
> * Release: December 2, 2016
> 
> Note that we don't have freeze exception scheme anymore. All patches
> that wish to go into 4.8 must be posted no later than the last posting
> date. All patches posted after that date will be automatically queued
> into next release.
> 
> RCs will be arranged immediately after freeze.
> 
> = Projects =

> == Toolstack == 

*  Add HVM USB passthrough via qemu
  -  Juergen Gross


Juergen


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Re: Xen 4.8 Development Update

[Daniel Kiper]

On Wed, Aug 31, 2016 at 09:30:46AM +0100, Wei Liu wrote:

[...]

> *  Boot Xen on EFI platforms using GRUB2 (multiboot2 protocol)
>   -  Daniel Kiper

I have just sent v6.

Daniel

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Xen 4.8 Development Update

[Wei Liu]

This email only tracks big items for xen.git tree. Please reply for items you
woulk like to see in 4.8 so that people have an idea what is going on and
prioritise accordingly.

You're welcome to provide description and use cases of the feature you're
working on.

= Timeline =

We now adopt a fixed cut-off date scheme. We will release twice a
year. The upcoming 4.8 timeline are as followed:

* Last posting date: September 16, 2016
* Hard code freeze: September 30, 2016
* RC1: TBD
* Release: December 2, 2016

Note that we don't have freeze exception scheme anymore. All patches
that wish to go into 4.8 must be posted no later than the last posting
date. All patches posted after that date will be automatically queued
into next release.

RCs will be arranged immediately after freeze.

= Projects =

== Hypervisor == 

*  Make credit2 default scheduler for Xen
  -  Dario Faggioli

*  Boot Xen on EFI platforms using GRUB2 (multiboot2 protocol)
  -  Daniel Kiper

=== x86 === 

*  Allow ioreq server interface to support XenGT
  -  Yu Zhang
  -  Paul Durrant

*  PVHv2 support
  -  Roger Pau Monne

*  vNVDIMM support
  -  Haozhong Zhang

=== ARM === 

*  ITS emulation (Dom0 only)
  -  Andre Przywara

*  Xen ARM DomU ACPI support
  -  Shannon Zhao

*  Alternative patching support
  -  Julien Grall

*  Altp2m for ARM
  -  Sergej Proskurin

== Toolstack == 

*  Make ACPI builder available to components other than hvmloader
  -  Boris Ostrovsky

*  Libxl PVSCSI support
  -  Olaf Hering

*  Load BIOS via toolstack
  -  Anthony Perard

*  Libxl depriv QEMU
  -  Ian Jackson

*  Logging solution for Xen system
  -  Wei Liu

== Mini-OS == 

*  Mini-os ballooning support
  -  Juergen Gross

== Testing == 

*  Have OSSTest running XTF tests
  -  Wei Liu
  -  Andrew Cooper
  -  Ian Jackson

== Completed == 

*  Clean up all hard-coded paths in toolstack code
  -  Wei Liu

*  Refactor libxl device handling framework
  -  Juergen Gross

*  IOMMU flush issue
  -  Quan Xu

*  Refactor XSM policy
  -  Daniel De Graaf


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Re: Xen 4.8 Development Update

[Julien Grall]

Hi Wei,

On 03/08/16 12:33, Wei Liu wrote:
> === ARM ===
>
> *  ITS emulation (Dom0 only)
>   -  Andre Przywara
>
> *  Xen ARM DomU ACPI support
>   -  Shannon Zhao
>
> *  Alternative patching support
>   -  Julien Grall
>
> *  Altp2m for ARM
>   -  Sergej Proskurin

Another big item to track for ARM:

P2M rework to follow break-before-make sequence.

Regards,

-- 
Julien Grall

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Re: Xen 4.8 Development Update

[Wei Liu]

On Wed, Aug 03, 2016 at 12:56:14PM +0100, Julien Grall wrote:
> Hi Wei,
> 
> On 03/08/16 12:33, Wei Liu wrote:
> >=== ARM ===
> >
> >*  ITS emulation (Dom0 only)
> >  -  Andre Przywara
> >
> >*  Xen ARM DomU ACPI support
> >  -  Shannon Zhao
> >
> >*  Alternative patching support
> >  -  Julien Grall
> >
> >*  Altp2m for ARM
> >  -  Sergej Proskurin
> 
> Another big item to track for ARM:
> 
> P2M rework to follow break-before-make sequence.
> 

What does break-before-make mean? I'm afraid I can't parse this
sentence. Is there any patch series that I can look at?

Wei.

> Regards,
> 
> -- 
> Julien Grall

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Re: Xen 4.8 Development Update

[Julien Grall]

On 03/08/16 13:03, Wei Liu wrote:
> On Wed, Aug 03, 2016 at 12:56:14PM +0100, Julien Grall wrote:
>> Hi Wei,
>>
>> On 03/08/16 12:33, Wei Liu wrote:
>>> === ARM ===
>>>
>>> *  ITS emulation (Dom0 only)
>>>  -  Andre Przywara
>>>
>>> *  Xen ARM DomU ACPI support
>>>  -  Shannon Zhao
>>>
>>> *  Alternative patching support
>>>  -  Julien Grall
>>>
>>> *  Altp2m for ARM
>>>  -  Sergej Proskurin
>>
>> Another big item to track for ARM:
>>
>> P2M rework to follow break-before-make sequence.
>>
>
> What does break-before-make mean? I'm afraid I can't parse this
> sentence. Is there any patch series that I can look at?

break-before-make is a 3 steps sequence the P2M code has to use to 
update the page tables under certain circumstances.

See 
https://lists.xenproject.org/archives/html/xen-devel/2016-07/msg02952.html

Regards,

-- 
Julien Grall

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Xen 4.8 Development Update

[Wei Liu]

This email only tracks big items for xen.git tree. Please reply for items you
woulk like to see in 4.8 so that people have an idea what is going on and
prioritise accordingly.

You're welcome to provide description and use cases of the feature you're
working on.

= Timeline =

We now adopt a fixed cut-off date scheme. We will release twice a
year. The upcoming 4.8 timeline are as followed:

* Last posting date: September 16, 2016
* Hard code freeze: September 30, 2016
* RC1: TBD
* Release: December 2, 2016

Note that we don't have freeze exception scheme anymore. All patches
that wish to go into 4.8 must be posted no later than the last posting
date. All patches posted after that date will be automatically queued
into next release.

RCs will be arranged immediately after freeze.

= Projects =

== Hypervisor == 

*  Make credit2 default scheduler for Xen
  -  Dario Faggioli

=== x86 === 

*  Allow ioreq server interface to support XenGT
  -  Yu Zhang
  -  Paul Durrant

*  PVHv2 support
  -  Roger Pau Monne

*  vNVDIMM support
  -  Haozhong Zhang

=== ARM === 

*  Xen ARM DomU ACPI support
  -  Shannon Zhao

*  Alternative patching support
  -  Julien Grall

== Toolstack == 

*  Make ACPI builder available to components other than hvmloader
  -  Boris Ostrovsky

*  Libxl PVSCSI support
  -  Olaf Hering

*  HVM USB passthrough
  -  George Dunlap

*  Load BIOS via toolstack
  -  Anthony Perard

*  Libxl depriv QEMU
  -  Ian Jackson

*  Clean up all hard-coded paths in toolstack code
  -  Wei Liu

*  Logging solution for Xen system
  -  Wei Liu

== Mini-OS == 

*  Mini-os ballooning support
  -  Juergen Gross

== Documentation == 

*  Feature maturity lifecycle
  -  Lars Kurth

== Completed == 

*  Refactor libxl device handling framework
  -  Juergen Gross

*  IOMMU flush issue
  -  Quan Xu

*  Refactor XSM policy
  -  Daniel De Graaf


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Re: Xen 4.8 Development Update

[Tamas K Lengyel]

On Tue, Jul 19, 2016 at 7:48 AM, Wei Liu <wei.liu2@citrix.com> wrote:
> This email only tracks big items for xen.git tree. Please reply for items you
> woulk like to see in 4.8 so that people have an idea what is going on and
> prioritise accordingly.
>
> You're welcome to provide description and use cases of the feature you're
> working on.
>
> = Timeline =
>
> We now adopt a fixed cut-off date scheme. We will release twice a
> year. The upcoming 4.8 timeline are as followed:
>
> * Last posting date: September 16, 2016
> * Hard code freeze: September 30, 2016
> * RC1: TBD
> * Release: December 2, 2016
>
> Note that we don't have freeze exception scheme anymore. All patches
> that wish to go into 4.8 must be posted no later than the last posting
> date. All patches posted after that date will be automatically queued
> into next release.
>
> RCs will be arranged immediately after freeze.
>
> = Projects =

[...]

> === ARM ===

I'm mentoring Sergej Proskurin who is developing altp2m for ARM as
part of a Google Summer of Code project. Current status is that first
version of the series has been posted, working on reviews, second
version should be sent shortly. We are hopeful to be able to meet the
merge window with this for 4.8.

Tamas

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Re: Xen 4.8 Development Update

[Wei Liu]

On Tue, Jul 19, 2016 at 10:06:57AM -0600, Tamas K Lengyel wrote:
> On Tue, Jul 19, 2016 at 7:48 AM, Wei Liu <wei.liu2@citrix.com> wrote:
> > This email only tracks big items for xen.git tree. Please reply for items you
> > woulk like to see in 4.8 so that people have an idea what is going on and
> > prioritise accordingly.
> >
> > You're welcome to provide description and use cases of the feature you're
> > working on.
> >
> > = Timeline =
> >
> > We now adopt a fixed cut-off date scheme. We will release twice a
> > year. The upcoming 4.8 timeline are as followed:
> >
> > * Last posting date: September 16, 2016
> > * Hard code freeze: September 30, 2016
> > * RC1: TBD
> > * Release: December 2, 2016
> >
> > Note that we don't have freeze exception scheme anymore. All patches
> > that wish to go into 4.8 must be posted no later than the last posting
> > date. All patches posted after that date will be automatically queued
> > into next release.
> >
> > RCs will be arranged immediately after freeze.
> >
> > = Projects =
> 
> [...]
> 
> > === ARM ===
> 
> I'm mentoring Sergej Proskurin who is developing altp2m for ARM as
> part of a Google Summer of Code project. Current status is that first
> version of the series has been posted, working on reviews, second
> version should be sent shortly. We are hopeful to be able to meet the
> merge window with this for 4.8.
> 

Right. I missed that.

Looking forward to the patches!

Wei.

> Tamas

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Re: Xen 4.8 Development Update

[Andrew Cooper]

On 19/07/16 14:48, Wei Liu wrote:
> This email only tracks big items for xen.git tree. Please reply for items you
> woulk like to see in 4.8 so that people have an idea what is going on and
> prioritise accordingly.
>
> You're welcome to provide description and use cases of the feature you're
> working on.
>
> = Timeline =
>
> We now adopt a fixed cut-off date scheme. We will release twice a
> year. The upcoming 4.8 timeline are as followed:
>
> * Last posting date: September 16, 2016
> * Hard code freeze: September 30, 2016
> * RC1: TBD
> * Release: December 2, 2016
>
> Note that we don't have freeze exception scheme anymore. All patches
> that wish to go into 4.8 must be posted no later than the last posting
> date. All patches posted after that date will be automatically queued
> into next release.
>
> RCs will be arranged immediately after freeze.
>
> = Projects =

I think it would be very wise to have a goal of

== Testing ==
*  Have OSSTest running XTF tests
  - Wei Liu
  - Andrew Cooper

for 4.8

~Andrew

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Re: Xen 4.8 Development Update

[Wei Liu]

On Wed, Jul 20, 2016 at 10:34:01AM +0100, Andrew Cooper wrote:
> On 19/07/16 14:48, Wei Liu wrote:
> > This email only tracks big items for xen.git tree. Please reply for items you
> > woulk like to see in 4.8 so that people have an idea what is going on and
> > prioritise accordingly.
> >
> > You're welcome to provide description and use cases of the feature you're
> > working on.
> >
> > = Timeline =
> >
> > We now adopt a fixed cut-off date scheme. We will release twice a
> > year. The upcoming 4.8 timeline are as followed:
> >
> > * Last posting date: September 16, 2016
> > * Hard code freeze: September 30, 2016
> > * RC1: TBD
> > * Release: December 2, 2016
> >
> > Note that we don't have freeze exception scheme anymore. All patches
> > that wish to go into 4.8 must be posted no later than the last posting
> > date. All patches posted after that date will be automatically queued
> > into next release.
> >
> > RCs will be arranged immediately after freeze.
> >
> > = Projects =
> 
> I think it would be very wise to have a goal of
> 
> == Testing ==
> *  Have OSSTest running XTF tests
>   - Wei Liu
>   - Andrew Cooper
> 
> for 4.8
> 

This email only tracks code that would affect xen.git so I didn't add
that here.

But since you think it is relevant I can track it as well.

Wei.

> ~Andrew

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Re: Xen 4.8 Development Update

[Andre Przywara]

Hi Wei,

On 19/07/16 14:48, Wei Liu wrote:
> This email only tracks big items for xen.git tree. Please reply for items you
> woulk like to see in 4.8 so that people have an idea what is going on and
> prioritise accordingly.
> 
> You're welcome to provide description and use cases of the feature you're
> working on.

...

I started working on ARM GICv3 ITS emulation. The ITS provides MSI-X
support for ARM machines using a GICv3 interrupt controller and having
it emulated in the hypervisor is a prerequisite for running any guests
(including Dom0) on machines which don't have GICv2 compatibility support.
I will focus on Dom0 support first, with DomU following afterwards. I
expect to have a working prototype soon and will post patches as soon as
this gets into a reviewable state, but definitely before the "last
posting date" in September.

So can you please add this item (below) to the tracking list?
If you need more information, please let me know.

> === ARM === 
> 
> *  Xen ARM DomU ACPI support
>   -  Shannon Zhao
> 
> *  Alternative patching support
>   -  Julien Grall

  * ITS emulation (Dom0 only)
    - Andre Przywara

Cheers,
Andre.

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Re: Xen 4.8 Development Update

[Wei Liu]

On Thu, Jul 21, 2016 at 10:35:45AM +0100, Andre Przywara wrote:
> Hi Wei,
> 
> On 19/07/16 14:48, Wei Liu wrote:
> > This email only tracks big items for xen.git tree. Please reply for items you
> > woulk like to see in 4.8 so that people have an idea what is going on and
> > prioritise accordingly.
> > 
> > You're welcome to provide description and use cases of the feature you're
> > working on.
> 
> ...
> 
> I started working on ARM GICv3 ITS emulation. The ITS provides MSI-X
> support for ARM machines using a GICv3 interrupt controller and having
> it emulated in the hypervisor is a prerequisite for running any guests
> (including Dom0) on machines which don't have GICv2 compatibility support.
> I will focus on Dom0 support first, with DomU following afterwards. I
> expect to have a working prototype soon and will post patches as soon as
> this gets into a reviewable state, but definitely before the "last
> posting date" in September.
> 
> So can you please add this item (below) to the tracking list?
> If you need more information, please let me know.
> 

Sure and done.

Your description is good enough for me to know what that does. :-)

Wei.

> > === ARM === 
> > 
> > *  Xen ARM DomU ACPI support
> >   -  Shannon Zhao
> > 
> > *  Alternative patching support
> >   -  Julien Grall
> 
>   * ITS emulation (Dom0 only)
>     - Andre Przywara
> 
> Cheers,
> Andre.

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Re: Xen 4.8 Development Update

[Konrad Rzeszutek Wilk]

On Thu, Jul 21, 2016 at 10:37:38AM +0100, Wei Liu wrote:
> On Thu, Jul 21, 2016 at 10:35:45AM +0100, Andre Przywara wrote:
> > Hi Wei,
> > 
> > On 19/07/16 14:48, Wei Liu wrote:
> > > This email only tracks big items for xen.git tree. Please reply for items you
> > > woulk like to see in 4.8 so that people have an idea what is going on and
> > > prioritise accordingly.
> > > 
> > > You're welcome to provide description and use cases of the feature you're
> > > working on.
> > 

To make livepatching not TECH PREVIEW.

That I believe means:
 1) Make it work under ARM64
 2) Make OSSTEst test the test-cases
 3) Fix the hypervisor issues mentioned in http://wiki.xen.org/wiki/XSplice#Hypervisor
    (and that list needs to be sorted in priority). Let me have an off-chat
    with Ross on that.

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Re: Xen 4.8 Development Update

[George Dunlap]

On 19/07/16 14:48, Wei Liu wrote:
> This email only tracks big items for xen.git tree. Please reply for items you
> woulk like to see in 4.8 so that people have an idea what is going on and
> prioritise accordingly.
> 
> You're welcome to provide description and use cases of the feature you're
> working on.
> 
> = Timeline =
> 
> We now adopt a fixed cut-off date scheme. We will release twice a
> year. The upcoming 4.8 timeline are as followed:
> 
> * Last posting date: September 16, 2016
> * Hard code freeze: September 30, 2016
> * RC1: TBD
> * Release: December 2, 2016
> 
> Note that we don't have freeze exception scheme anymore. All patches
> that wish to go into 4.8 must be posted no later than the last posting
> date. All patches posted after that date will be automatically queued
> into next release.
> 
> RCs will be arranged immediately after freeze.
> 
> = Projects =
> 
> == Hypervisor == 
> 
> *  Make credit2 default scheduler for Xen
>   -  Dario Faggioli
> 
> === x86 === 
> 
> *  Allow ioreq server interface to support XenGT
>   -  Yu Zhang
>   -  Paul Durrant
> 
> *  PVHv2 support
>   -  Roger Pau Monne
> 
> *  vNVDIMM support
>   -  Haozhong Zhang
> 
> === ARM === 
> 
> *  Xen ARM DomU ACPI support
>   -  Shannon Zhao
> 
> *  Alternative patching support
>   -  Julien Grall
> 
> == Toolstack == 
> 
> *  Make ACPI builder available to components other than hvmloader
>   -  Boris Ostrovsky
> 
> *  Libxl PVSCSI support
>   -  Olaf Hering
> 
> *  HVM USB passthrough
>   -  George Dunlap

I am not currently working on this, so you can probably remove it from
the list for now.

 -George

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Re: Xen 4.8 Development Update

[Pasi Kärkkäinen]

On Thu, Jul 21, 2016 at 05:07:23PM +0100, George Dunlap wrote:
> > 
> > == Toolstack == 
> > 
> > *  Make ACPI builder available to components other than hvmloader
> >   -  Boris Ostrovsky
> > 
> > *  Libxl PVSCSI support
> >   -  Olaf Hering
> > 
> > *  HVM USB passthrough
> >   -  George Dunlap
> 
> I am not currently working on this, so you can probably remove it from
> the list for now.
> 

Anyone else interested in picking up this HVM USB passthrough item? 


Thanks,

-- Pasi

>  -George
> 


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Re: Xen 4.8 Development Update

[Daniel Kiper]

On Tue, Jul 19, 2016 at 02:48:30PM +0100, Wei Liu wrote:
> This email only tracks big items for xen.git tree. Please reply for items you
> woulk like to see in 4.8 so that people have an idea what is going on and
> prioritise accordingly.
>
> You're welcome to provide description and use cases of the feature you're
> working on.
>
> = Timeline =
>
> We now adopt a fixed cut-off date scheme. We will release twice a
> year. The upcoming 4.8 timeline are as followed:
>
> * Last posting date: September 16, 2016
> * Hard code freeze: September 30, 2016
> * RC1: TBD
> * Release: December 2, 2016
>
> Note that we don't have freeze exception scheme anymore. All patches
> that wish to go into 4.8 must be posted no later than the last posting
> date. All patches posted after that date will be automatically queued
> into next release.
>
> RCs will be arranged immediately after freeze.
>
> = Projects =
>
> == Hypervisor ==
>
> *  Make credit2 default scheduler for Xen
>   -  Dario Faggioli

Please add:
  *  Boot Xen on EFI platforms using GRUB2 (multiboot2 protocol)
    -  Daniel Kiper

BTW, I am going to release v4 next week.

Daniel

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