[Mageia-dev] RFT: xen support

[Guillaume Rousse]

Le 09/01/2012 11:06, Thierry Vignaud a écrit :
> On 9 January 2012 10:49, Guillaume Rousse<guillomovitch at gmail.com>  wrote:
>>>> And as of kernel-2.6.38.2-4.mga1 there has been some cleanups and addons
>>>> for
>>>> xen:
>>>>
>>>> There is now a kernel-xen-pvops that also should work as dom0.
>>>>
>>>> Now this is mostly upstream kenel.org code so its not as fully
>>>> featured as the old kernel-xen. You can see the features listed here:
>>>> http://wiki.xensource.com/xenwiki/XenParavirtOps.
>>>>
>>>> There is one exception: our 2.6.38 kernel has xen-netback backend driver
>>>> added.
>>>>
>>>> So those of you that have been using xen, please test atleast the
>>>> following:
>>>>
>>>> - check that kernel-server still works as a xen guest
>>>> - try to use kernel-xen-pvops as dom0 and see how it works
>>>> (you can also try to use kernel-xen-pvops as a normal xen guest)
>>>
>>>
>>> Doesn't that mean that when running in XEN, the installer shouldn't
>>> pick kernel-server
>>> instead of kernel-desktop? (since we've no dom0 support in the later)
>>> Or even kernel-xen-pvps if there's no HW support for virtualisation?
>>
>> If 'running in Xen' means 'running as guest', you don't need any special
>> kernel for hardware virtualisation, and just a kernel with Xen support for
>> paravirtualisation. The dom0 support is only needed for the xen host. Which
>> means the installer kernel itself should have xen support to be runnable in
>> any context.
>
> Either we should restore alt1 in installer or we should enable DOM0 support
> in desktop kernel
You seems to be confusing xen basic support and xen dom0 support. The 
later is only useful for server kernel, while the first one should be 
enabled for all kernels. Provided the original concerns with nvidia AGP 
support are fixed now.

-- 
BOFH excuse #75:

There isn't any problem