Re: [LUG] Kernel drivers - printk()

[Jon Masters <jonathan@xxxxxxxxxxxxxx>]

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John Daragon wrote:

|>>1) write a new version of printk with sensible buffer handling :-),

jcm>> It has sensible handling. printk() must never block and must
jcm>> be callable in every possible context - try improving upon it.

| Yes, sorry, that was supposed to be a joke.

I know. I was in arrogant mode there or something like that.

|>>(this is usually where someone comes along and offers a brilliantly
|>>simple solution that I haven't thought of ...)

jcm>> relayfs.

| Thanks !  I'd never heard of it (not that I've ever needed it, but
then...)

It's quite recent and I learned a little about it at OLS but not much
than that it will do what we were discussing for reasons discussed.

Actually that was on my list of things to play with for one of my
upcoming columns in Linux User & Developer. I have agreed to write a
kernel hacking series which we have been talking about for a while and
am on the lookout for suggestions of quick hacks to discuss.

Cheers,

Jon.

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