RE: Xen release announcement and Virtio/Fusa

[Artem Mygaiev <Artem_Mygaiev@xxxxxxxx>]

+Alex

-----Original Message-----
From: Artem Mygaiev 
Sent: вторник, 30 ноября 2021 г. 11:35
To: Roger Pau Monné <roger.pau@xxxxxxxxxx>; Bertrand Marquis 
<bertrand.marquis@xxxxxxx>
Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>; 
publicity@xxxxxxxxxxxxxxxxxxxx; Ian Jackson <iwj@xxxxxxxxxxxxxx>
Subject: RE: Xen release announcement and Virtio/Fusa

Hi Roger
Yes, we would like to provide a quote for 4.16, I am checking with Alex how to 
quickly approve it with our Markeiting, will get back to you later today.

 -- Artem

P.S. Bertrand, do you want to add something about PCI on Arm?


-----Original Message-----
From: Roger Pau Monné <roger.pau@xxxxxxxxxx> 
Sent: вторник, 30 ноября 2021 г. 10:31
To: Artem Mygaiev <Artem_Mygaiev@xxxxxxxx>
Cc: Bertrand Marquis <bertrand.marquis@xxxxxxx>; Stefano Stabellini 
<sstabellini@xxxxxxxxxx>; publicity@xxxxxxxxxxxxxxxxxxxx; Ian Jackson 
<iwj@xxxxxxxxxxxxxx>
Subject: Re: Xen release announcement and Virtio/Fusa

On Mon, Nov 29, 2021 at 09:08:21PM +0000, Artem Mygaiev wrote:
> Hi Roger, Bertrand
> 
> Please see below (Virtio and Zephyr)
> 
> *VirtIO*
> Xen community continued to work on development of VirtIO support for Arm 
> processors introducing "extended memory regions" mechanism. The extended 
> memory region (unpopulated memory range) is a region of guest physical 
> address space which is unused and could be safely used to create external 
> mappings instead of ballooning out real RAM pages. VirtIO backends can use 
> this mechanism to pre-map some guest memory in advance or to cache mappings 
> in order to improve transport performance. Some other work has been done for 
> the Xen toolstack to handle VirtIO MMIO devices in general and VirtIO block 
> devices particularly.
> 
> *Zephyr RTOS*
> As a result of collaboration between Zephyr project and Xen project of Linux 
> foundation, starting version 2.7.0, Zephyr RTOS supports some basic features 
> like PV Console allowing it to run on Xen. With support of Xen Enlighten page 
> and XenBus on review, and some other features in development like grant 
> tables, XenBus and starting Zephyr as Domain-0, Xen is getting closer to a 
> full implementation of the RTOS-based “thin dom0” targeting Embedded and 
> Safety use cases.
> 
> I am sorry for possible language issues - English is not my native tongue. 
> Will appreciate if someone proofread this.

Thanks! I'm adding those to the release blog post.

Would you also like to provide a Community Quote for the 4.16
release, like you did for the 4.15 one [0]?

Thanks, Roger.

[0] 
https://urldefense.com/v3/__https://xenproject.org/2021/04/08/xen-project-hypervisor-4-15/__;!!GF_29dbcQIUBPA!hNIUKJHO1oAY0yZtpNLs4nbi4nNit-bKjF760t0GE2oxIR2hddQYnHMCtGHK9MWIUw$
 [xenproject[.]org]