RE: [Xen-devel] is the xen toolstack backwards compatible ?

["Zhang, Xiantao" <xiantao.zhang@xxxxxxxxx>]

Dan Magenheimer wrote:
> On a separate thread, I've observed that the toolstack
> incompatibility seems to appear between c/s 20070 and
> 20072.  I don't think backwards compatibility is
> guaranteed but I agree it is desirable when possible.

I don't agree with you, and the backward compatibility should be still kept 
after merging these Csets, and any dom0 or userspace's toolstack changes are 
not needed for them.  :)
Xiantao
 
>> -----Original Message-----
>> From: Sander Eikelenboom [mailto:linux@xxxxxxxxxxxxxx]
>> Sent: Tuesday, December 08, 2009 5:23 PM
>> To: Keir Fraser
>> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
>> Subject: [Xen-devel] is the xen toolstack backwards compatible ?
>> 
>> 
>> Hello Keir,
>> 
>> Perhaps it was coincidence, but if i remember well, booting a
>> 3.4.* hypervisor with the toolstack from a newer xen version
>> (aka xen-unstable) seemed to work.
>> The thing is, default a xen build installs the different
>> hypervisor versions beside each other, and you can use them
>> as such in your grub config, the same with kernels.
>> But the toolstack (xend, xm, xentop etc.) gets overwritten.
>> So after trying out a new hypervisor, you have to reinstall
>> your old toolstack before booting in a older hypervisor.
>> 
>> So if it was no coincidence but desirable, at the moment xend
>> and xentop from unstable don't seem to work on 3.4.2
>> hypervisor anymore.
>> 
>> --
>> Best regards,
>>  Sander                          mailto:linux@xxxxxxxxxxxxxx
>> 
>> 
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-devel
>> 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel