On 01.07.11 at 16:32, Stefan Seyfried
wrote: Am Fri, 01 Jul 2011 10:04:57 +0100 schrieb "Jan Beulich" : Just as we're in the process of doing for SLE11 SP2, we'd like to remove 32-bit host support in Xen (and hence kernel-xen) for 12.1. 32-bit guests will continue to be supported. Please speak up if you have reasons that should keep us from doing so.
Old machines that cannot do KVM (for example Pentium M, everything intel before Core 2 duo, maybe some early ATOM processors?) can do very well as a XEN host.
I know this is irrelvant for SLES11, but it might be relevant for openSUSE users.
Is there a technical reason ("The 32bit host code is ugly as hell and only worked by accident") or is it a "keep the matrix of kernel / Xen packages small" reasoning?
More the latter. The latest we'd start running into problems would be when - as has happened for the last SLE releases - sharing kernels (and their configs) between a future SLE and a future openSuSE. But note also that various features added during the last couple of years were added for the 64-bit hypervisor only.
If it's the latter, could one still build a Xen package for 32 bits in the Buildservice? (I did something like this with a kernel-desktop for non-pae machines, the mentioned Pentium M Dothan box, before I got a shiny new ThinkPad for my new job).
Yes, I see no reason this wouldn't work.
Best regards,
Stefan
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