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Re: [Xen-devel] [PATCH] disable kernel build in Xen build system / Xen d

To: Pasi Kärkkäinen <pasik@xxxxxx>
Subject: Re: [Xen-devel] [PATCH] disable kernel build in Xen build system / Xen dom0 kernel versions
From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Date: Tue, 21 Sep 2010 17:30:18 +0100
Cc: George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>, Olaf Hering <olaf@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
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On Fri, 10 Sep 2010, Pasi K??rkk??inen wrote:
> On Fri, Sep 10, 2010 at 01:57:41PM +0200, Olaf Hering wrote:
> > On Fri, Sep 10, George Dunlap wrote:
> > 
> > > I think it's a good idea for the Xen build system not to include a
> > > dom0 kernel.  However, it's not very clear to a newcomer how to
> > > actually get a kernel.  The xen.org download page has no links at all
> > > to anything kernel-related.  There is a page on the wiki:
> > > 
> > >  http://wiki.xensource.com/xenwiki/XenDom0Kernels
> > > 
> > > However, the list is gigantic -- extremely intimidating.  And there's
> > > no generic version of the "classic" kernel; they're all branded XCP,
> > > XCI, Novell, &c.
> > > 
> > > I think the Right Thing to do (given an ideal world), until pvops dom0
> > > gets sufficiently upstreamed, is for xen.org to maintain two stable
> > > releases: a reasonably stable pvops branch for the more adventurous,
> > > and a classic xen port for the more conservative.
> > 
> > George,
> > 
> > I second that. The first time I looked at this page all it caused was
> > confusion. It gives the impression of "there is no upstream". If we
> > could get some sort of reference where all the fixes go, that would help
> > alot.
> > I would help out with maintaining such a tree.
> > 
> Yeah, the XenDom0Kernels wiki page has gotten pretty unclear.
> I guess for users, at the moment, the two 'main' kernels that
> are maintained and bugfixed by xen.org are:
> - pvops xen/stable-2.6.32.x
> - xenlinux xcp/xenserver 2.6.32.x 
> I can try to clear up the wiki page if we can agree on what to write there :)

I gave a look at the page and I think it is still too verbose for
A detailed explanation of the current situation is fine, but above that
we need two simple lines with a link.

I propose something like this:


***Xen dom0 kernels Quick Start***
If you don't know exactly what a dom0 kernel is, read the detailed
explanation below.
If you want to install the Xen hypervisor for production use but your
distro doesn't provide a dom0 kernel, just grab one of the latest
"XenLinux" port here:

- Citrix XenServer / XCP Linux 2.6.32 kernel (source and tarball link)

- Novell SLES11 Linux 2.6.32 Xen kernel (source and tarball link)


We definitely need to provide both a source tree and a source tarball
for each option; ideally we should provide a deb/rpm too.

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