Re: [Xen-devel] [RFC] Xen requirments document

[Rik van Riel <riel@xxxxxxxxxx>]

On Sat, 16 Apr 2005, Mike D. Day wrote:

> http://www.ncultra.org/xen/xen_req.html

The spec looks good to me, just a few small comments:

core.smp.guest.virtual - running with vcpus > #cpus seems to
work already, I'm doing this on a regular basis to test for
bugs ;)

core.dynamic.memory - I'm not sure if it is possible yet to
boot a domain with less memory than its maximum, and grow
the domain's memory later through the balloon driver

we're missing an io.device.virt.discovery - in order to
be able to install into, and manage, a virtual machine,
the OS needs the ability to discover what virtual devices
are present - exporting through sysfs would work fine.
Since this is a requirement for many system administration
tools (eg. kudzu), this should probably be a Xen v3.0 target

io.protocol.ipsec and io.protocol.ipv6 seem to just work,
by virtue of Xen emulating ethernet instead of any particular
protocol - at least ipv6 works in bridging mode, I haven't
tried routed mode yet, nor ipsec


-- 
"Debugging is twice as hard as writing the code in the first place.
Therefore, if you write the code as cleverly as possible, you are,
by definition, not smart enough to debug it." - Brian W. Kernighan

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