Re: [Xen-users] compiling an old XEN version

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Tue, Aug 28, 2012 at 09:52:41AM +0100, Ian Campbell wrote:
> On Tue, 2012-08-28 at 09:51 +0100, Ian Campbell wrote:
> > On Mon, 2012-08-27 at 12:27 +0100, maheen butt wrote:
> > > On Thu, Aug 9, 2012 at 12:49 PM, maheen butt <maheen_butt26@xxxxxxxxx> 
> > > wrote:
> > > > hi all,
> > > > I want to use Xenlinux and an old version of Xen hypervisor xen 3.2.0.
> > > 
> > > My first question would be "why"?
> > > 
> > > For MS thesis I'm considering Xen to port it for MIPS. as there is no 
> > > PV_ops 
> > > support available in case of MIPS so I'm forced to use old versions of Xen
> > 
> > pvops is an internal implementation detail of the upstream Linux x86
> > port to Xen. It has absolutely no bearing on which version of Xen you
> > run and it isn't really relevant for anything other than x86 unless you
> > intend to replicate that infrastructure on MIPS.
> > 
> > There is also no particular link between Xen and the dom0/domU kernel (this
> > is the reason Xen stopped shipping a patched kernel tree). If you are
> > working on a new port then I would strongly suggest that you use
> > xen-unstable and upstream Linux kernel as your starting point. You will
> > find there is very little interest in the developer community in
> > supporting a port to anything older.
> 
> Also you should discuss this on xen-devel to avoid duplicating work with
> others. I'm aware of at least one previous port to the MIPS architecture
> although it was some time ago and I've not seen any code posted
> upstream.
> 

I think there's a Xen MIPS talk at XenSummit today.

-- Pasi


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