Re: [RFC/PATCH] Documentation of kernel messages

From: Arjan van de Ven
Date: Mon Jun 18 2007 - 21:56:18 EST


On Mon, 2007-06-18 at 15:53 +0200, holzheu wrote:
> On Mon, 2007-06-18 at 06:12 -0700, Arjan van de Ven wrote:
> > On Mon, 2007-06-18 at 14:55 +0200, holzheu wrote:
> > > Hi Gerrit,
> > >
> > > The common thing of your and our approach is, that we need an ID to
> > > identify a message either by:
> >
> >
> > Maybe I am missing something big, but why is an ID needed?
> > The message IS the ID right? That's the only thing that is robust
> > against code moving about....
>
> Yes. As already discussed with Pavel, it is one option to use the format
> string of the message as message ID. The disadvantage compared to
> message IDs like hashes is, that format strings might be even less
> unique than hashes

if the hash comes from the string in the first place I have a hard time
believing that.

> and it's probably less convenient for searching by
> operators.

I'm not convinced of that...

>
> An operator has to issue either:
>
> >> info lp.4711
> or
> >> info "lp0: on fire"

well.... surely the messages are caught by some userspace program,
right? (like syslog).. that can do the lookup and make it all
conveniently lookup-able and cross-referencable etc etc....

--
if you want to mail me at work (you don't), use arjan (at) linux.intel.com
Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org

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