[PATCH] [KDB] Use proper wrappers for udbg calls in KDB

[Anton Blanchard]

Hi,

> Below patch uses the udbg_*() functions instead of calling ppc_md.udbg_*
> in KDB. This way, if udbg hasn't been setup right the machine will
> survive anyway.
>
> Since KDB only lives in the Ameslab tree at the moment, and that tree
> does not compile (hvconsole breakage), I'm not sure just what to do with
> this patch. I'll follow up with another one that fixes some paca_struct
> rewrite KDB breakage, but I have not been able to boot and test a kernel
> with the changes.

Keith Owens was asking about this recently. We really need to get our
kdb changes into upstream. I did get an email from someone working on
this but the email disappeared into a lotus notes black hole.

Anton

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