Re: printk: preempt_disable with long time resulting in softlockup/RCU stall issues

[Luis R. Rodriguez]

On Wed, Jul 08, 2015 at 05:08:35PM +0800, Gavin Hu wrote:
> Hi,
> 
> Yes. We should disable the printk_limit feature when panic to avoid missing
> messages.

Sounds like you have been looking into it and have a good idea of what you
want to do, why not try it and send some RFC patches ?

While at it, then we could consider doing different things depending on the
message type. KERN_EMERG would disable preemption, whereas KERN_INFO may not be
so critical to require it.

 Luis
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