Re: [RFC] Recursive printk

[Joe Perches]

On Sat, 2008-12-06 at 19:40 +1100, Nick Andrew wrote:
> The basic problem is that subsystems want to prepend or append their
> own data to kernel messages generated by subsystem code, and they
> both want to use printf-type strings. How to combine them into a
> single kernel log message without using extra memory, or double
> handling of strings?

pr_fmt seems to work for that.

I think the question is how to output messages that use
multiple calls to printk so they are not interleaved.

Giving up printf argument verification seems too high a
price to pay for the benefit of recursion.

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