Re: printk() with a spin-lock held.

[Nick Piggin]

Lee Revell wrote:
> On Fri, 2004-10-22 at 15:07 -0400, Richard B. Johnson wrote:
>
> > Linux-2.6.9 will bug-check and halt if my code executes
> > a printk() with a spin-lock held.
> >
> > Is this the intended behavior?
>
>
> Yes.  printk() can sleep.  No sleeping with a spinlock held.

You can call printk anywhere (except from the scheduler).
Or if you're doing tricky things with preempt.

> > If so, NotGood(tm).
>
>
> See above.  If you think you can improve the situation, patches are
> welcome, as always.

In this case, the patch would be to himself though.
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