Xen devel - Feb 2007 - How to build xen with a newer kernel?

Hello,
Have anyone built the Xen kernels with a different kernel than what it comes
with?  I would like to know how to build them with newer kernels.

Thanks,

Gwon Hee




 
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On Fri, Feb 02, 2007 at 07:43:27AM -0800, cm ko wrote:
> Hello,
> Have anyone built the Xen kernels with a different kernel than what it 
> comes with?  I would like to know how to build them with newer kernels.
Its a serious amount of work to port Xen to newer kernels...

We do this all the time for Fedora, since we need to track current
upstream kernels. For Fedora Core 6, we''ve got Xen 3.0.3 kernels based
on 2.6.18 and 2.6.19, while for Fedora 7 test1 we''ve got Xen 3.0.4
kernels
based on 2.6.18 and 2.6.19. By the time Fedora 7 is GA, we hope to have
Xen 3.0.4 on 2.6.20 finished too. The source RPMs for any release kernels
are on our download site. Juan also makes his Mercurial trees available

   http://hg.et.redhat.com/kernel/

NB, although shown there, the 2.6.20 based trees are not ready yet - those
are just two staging repos, so ignore them. The 2.6.18/19 kernels should
be in good shape.  The main issue is that these trees don''t get fed 
through the regression test harness like the xen-unstable.hg tree does.
Then again, the Fedora kernels have a huge real world userbase. 

Also, xen-unstable.hg itself was finally upgraded to 2.6.18 so the next
3.0.5 release will be much closer to current upstream, although it''d be
nice to see it go all the way to 2.6.20 and then actively track each
new upstream stable release.

Regards,
Dan.
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On Fri, 2 Feb 2007, Daniel P. Berrange wrote:
> Also, xen-unstable.hg itself was finally upgraded to 2.6.18 so the next 
> 3.0.5 release will be much closer to current upstream, although
it''d be
> nice to see it go all the way to 2.6.20 and then actively track each new 
> upstream stable release.
Xen dev''s --

Just curious, what are the chances that we will see Xen 3.0.5 released 
with an upgrade to 2.6.20, now that 2.6.20 is finally out? It would be 
great to be able to support a newer kernel for those of us that are using 
RedHat Cluster.  :)  It''d also mean I could run Xen on my laptop, since
it''s fairly bleeding-edge and needs some bits from 2.6.20 to run
properly.
*grin*

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Nate Carlson wrote:
> On Fri, 2 Feb 2007, Daniel P. Berrange wrote:
>> Also, xen-unstable.hg itself was finally upgraded to 2.6.18 so the 
>> next 3.0.5 release will be much closer to current upstream, although 
>> it''d be nice to see it go all the way to 2.6.20 and then
actively
>> track each new upstream stable release.
> 
> Xen dev''s --
> 
> Just curious, what are the chances that we will see Xen 3.0.5 released 
> with an upgrade to 2.6.20, now that 2.6.20 is finally out? It would be 
> great to be able to support a newer kernel for those of us that are 
> using RedHat Cluster.  :)  It''d also mean I could run Xen on my
laptop,
> since it''s fairly bleeding-edge and needs some bits from 2.6.20 to
run
> properly. *grin*
After upgrading to Xen-unstable using 2.6.18, Xen doesn''t freeze for me
anymore (it used to do so on some machines with Xen 3.0.4 and lower).

I can only wonder if it was Xen that got fixed, or fixes in Linux kernel?


-- 
Tomasz Chmielewski
http://wpkg.org

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