Re: RFC: InfiniBand hotplug agent

[Roland Dreier <rdreier@cisco.com>]

    Greg> Why does your drivers care about the hostname?  The kernel
    Greg> already knows this information anyway...

As I explained before, this script puts the hostname in the InfiniBand
"node description," which is retrieved by various IB network
management tools.  It makes the output of these tools much easier to
read, since you can see things like "node1 (CA)" and "node2 (CA)" in
the network management tools instead of just two copies of "CA".

Yes, I could modify the driver to look at system_utsname and pick a
way to format that.  But that suffers from the problem of putting
policy in the kernel (who picks the format for node descriptions?),
although that's minor.  And we still have the problem of what to do
before the hostname is set -- put "(none)" in our node description?

Anyway, do you think just having this node description setting in the
kernel is the best way to go?

Thanks,
  Roland


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