Re: [Xen-users] Increasing throughput on xen bridges

[Mark Williamson <mark.williamson@xxxxxxxxxxxx>]

> Thanks Mark, but i can't find Virtual Iron's patches that you say ... Where
> they are??

Discussion here:
http://lists.xensource.com/archives/html/xen-devel/2007-12/msg00719.html

Patches here:
http://lists.xensource.com/archives/html/xen-devel/2007-12/msg00720.html
http://lists.xensource.com/archives/html/xen-devel/2007-12/msg00721.html

The first patch applies to the Xen source tree, the second applies to the 
XenLinux tree.  The result is that by using the two trees it's possible to 
build the unmodified_drivers directories for a 2.4 kernel.  In fact it looks 
like Virtual Iron wrote these to support RHEL3.8.

It's likely to be a bit of a challenge getting this all patched and built 
right.  You may have to download the hg repositories of xen-unstable, 
although you would only be using the PV drivers, which probably are quite 
stable.  You'd need to patch the repositories then build modules for your 
target 2.4 kernel (building on the target host probably easiest), then get 
things configured.

Finally, you'd need to configure the guest to use these.  I'm not entirely 
sure if you can boot off the PV drivers but assuming you can, you'd need to 
build them into the initrd (and possibly exclude the "real" drivers for the 
hardware so they don't take over).

Cheers,
Mark

-- 
Dave: Just a question. What use is a unicyle with no seat?  And no pedals!
Mark: To answer a question with a question: What use is a skateboard?
Dave: Skateboards have wheels.
Mark: My wheel has a wheel!

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