[CentOS-virt] Building Xen 4.4 rpms for centos7

Tue Jan 20 14:25:10 UTC 2015
George Dunlap <dunlapg at umich.edu>

On Tue, Jan 20, 2015 at 2:10 PM, Pasi Kärkkäinen <pasik at iki.fi> wrote:
> Hello,
>
> Now that the Xen 4.4.1 rpms + libvirt 1.2.10 rpms for CentOS 6 seem to be in good shape
> it would be a good time to start experimenting with el7 builds aswell.
>
> I think it's best to start with the same set of packages we have for el6,
> and just do the minimum required changes to get them working on centos7.
>
> That probably means fixing some dependencies in the spec file, and some changes for systemd support.
>
> Note that all those changes are already done in Fedora 21 Xen rpms, for example:
> ftp://ftp.funet.fi/pub/mirrors/fedora.redhat.com/pub/fedora/linux/updates/21/SRPMS/x/xen-4.4.1-12.fc21.src.rpm
>
> A few months ago I also saw a Xen 4.4 el7 rpms port, so we could find those src.rpms aswell.
>
>
> And then there's the dom0 kernel.. Stock rhel7/centos7 is based on Linux 3.10 kernel,
> so we probably can use the exact same 3.10.63 kernel we have today for CentOS 6 Xen.
>
> Any thoughts?

Sounds like a plan.  The main thing I'm waiting on is a way to build
the kernel that won't clobber the Docker C7 kernel. :-)

 -George