Re: [PATCH 3/4] printk: Defer printing to irq work when we printedtoo much

[Frederic Weisbecker]

On Thu, Nov 07, 2013 at 06:37:17PM -0500, Steven Rostedt wrote:
> On Fri, 8 Nov 2013 00:21:51 +0100
> Frederic Weisbecker <fweisbec@xxxxxxxxx> wrote:
> > 
> > Offloading to a workqueue would be perhaps better, and writing to the serial
> > console could then be done with interrupts enabled, preemptible context, etc...
> 
> Oh God no ;-)  Adding workqueue logic into printk just spells a
> nightmare of much more complexity for a critical kernel infrastructure.

But yeah that's scary, that means workqueues itself can't printk that safely.
So, you're right after all.
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