Re: [Xen-devel] Xen 4.0 Feature Set

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, Jan 28, 2010 at 09:37:00AM +0100, Sander Eikelenboom wrote:
> Hello Pasi,
> 
> Yes it's a transition period, with the new kernel not being complete in terms 
> of xen functionality, but more complete and recent in terms of linux hardware 
> drivers.
> The same will apply for blktap2, and perhaps netchannel2 as well unless those 
> get fixed in time.
> Wish i could help, but i lack the programming skills to do so.
> 

Yeah. A couple of days ago I made a change in 
http://wiki.xensource.com/xenwiki/XenDom0Kernels
to highlight that pv_ops dom0 is the kernel everyone should be using, testing 
and developing against.

Hopefully we'll start getting more contributions to pv_ops now when Xen 4.0 is 
using it.

> Haven't seen a reaction from Stephen yet if there is a 
> hypervisor/dom0-kernel-xen-related boot options document available as start 
> for a new wiki.
>

I made this yesterday:
http://wiki.xensource.com/xenwiki/XenHypervisorBootOptions

Now we just need to fill in the actual content :) Wanna help?

-- Pasi

> 
> --
> Sander
> 
> 
> Thursday, January 28, 2010, 9:29:36 AM, you wrote:
> 
> > On Thu, Jan 28, 2010 at 09:26:23AM +0100, Sander Eikelenboom wrote:
> >> Hello Pasi,
> >> 
> >> PV-USB is not yet in the default pvops kernel that is going to ship with 
> >> 4.0 or am i mistaken ?
> >> Will it before 4.0 comes out ?
> >> 
> 
> > True, it's only in Xen and in linux-2.6.18-xen.
> 
> >> This could deliver some confusion, if the hypervisor supports things it's 
> >> default dom0 kernel doesn't yet.
> >> 
> 
> > Yep. Need to make that clear in the release notes. The other features need 
> > more explanations aswell.
> 
> > -- Pasi
> 
> >> --
> >> Sander
> >> 
> >> Wednesday, January 27, 2010, 9:07:47 PM, you wrote:
> >> 
> >> > On Wed, Jan 27, 2010 at 08:35:46PM +0200, Sassy Natan wrote:
> >> >>    What About PV-USB support?
> >> >> 
> >> 
> >> > Yeah, PV-USB is there, and also VGA Passthrough.
> >> 
> >> > -- Pasi
> >> 
> >> >> 
> >> >>    On 1/27/10, Stephen Spector <[1]stephen.spector@xxxxxxxxxx> wrote:
> >> >> 
> >> >>      Developers:
> >> >> 
> >> >> 
> >> >> 
> >> >>      I have started work on our Xen 4.0 Datasheet which will allow
> >> >>      customers/prospects/users to learn about the newest hypervisor 
> >> >> offering
> >> >>      from Xen.org. I currently have the following list in the document:
> >> >> 
> >> >> 
> >> >> 
> >> >>      ·         Kernel Upgrade
> >> >> 
> >> >>      o   PVOps Dom0 Kernel based on Linux (version number)
> >> >> 
> >> >>      ·         Blktap2
> >> >> 
> >> >>      o   Support VHD format
> >> >> 
> >> >>      o   Snapshot virtual disks
> >> >> 
> >> >>      o   Command-line invocation method
> >> >> 
> >> >>      ·         High Availability (Project Remus & Kemari)
> >> >> 
> >> >>      o   Up to date replica of a VM on backup server
> >> >> 
> >> >>      ·         Netchannel2
> >> >> 
> >> >>      o   Lazy copy in guest
> >> >> 
> >> >>      o   Support multi-queue NIC, Smart NIC, SR-IOV
> >> >> 
> >> >>      ·         Page Sharing
> >> >> 
> >> >>      o   VMs share identical pages in memory
> >> >> 
> >> >>      ·         Libxenlight
> >> >> 
> >> >>      o   High level operations shared across all Xen toolstacks
> >> >> 
> >> >>      ·         Support for Virtualization-aware Applications
> >> >> 
> >> >>      ·         Transcendent Memory * RAM utilization capabilities
> >> >> 
> >> >>      ·         Multi-function PCI pass-through
> >> >> 
> >> >> 
> >> >> 
> >> >>      Please let me know if I missed a feature or if I need to make any
> >> >>      changes to this list. Thanks.
> >> >> 
> >> >> 
> >> >> 
> >> >>      Stephen Spector
> >> >> 
> >> >> 
> >> >> 
> >> >>      Xen.org Community Manager
> >> >> 
> >> >>      T: (772) 621-5062 | F: (772) 365-0338 | M: (954) 854-4257
> >> >> 
> >> >>      [2]stephen.spector@xxxxxxx
> >> >> 
> >> >>      [3]http://blog.xen.org | @xen_com_mgr
> >> >> 
> >> >> 
> >> >> 
> >> >>      _______________________________________________
> >> >>      Xen-devel mailing list
> >> >>      [4]Xen-devel@xxxxxxxxxxxxxxxxxxx
> >> >>      [5]http://lists.xensource.com/xen-devel
> >> >> 
> >> >> References
> >> >> 
> >> >>    Visible links
> >> >>    1. mailto:stephen.spector@xxxxxxxxxx
> >> >>    2. mailto:stephen.spector@xxxxxxx
> >> >>    3. http://blog.xen.org/
> >> >>    4. mailto:Xen-devel@xxxxxxxxxxxxxxxxxxx
> >> >>    5. http://lists.xensource.com/xen-devel
> >> 
> >> >> _______________________________________________
> >> >> Xen-devel mailing list
> >> >> Xen-devel@xxxxxxxxxxxxxxxxxxx
> >> >> http://lists.xensource.com/xen-devel
> >> 
> >> 
> >> 
> >> 
> >> 
> >> 
> >> -- 
> >> Best regards,
> >>  Sander                            mailto:linux@xxxxxxxxxxxxxx
> >> 
> 
> 
> 
> -- 
> Best regards,
>  Sander                            mailto:linux@xxxxxxxxxxxxxx
> 

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