[Intel-gfx] BUG: sleeping function called from invalid context on 3.10.10-rt7

Sebastian Andrzej Siewior bigeasy at linutronix.de
Fri Oct 11 15:30:22 CEST 2013


On 10/11/2013 02:37 PM, Steven Rostedt wrote:
> On Fri, 11 Oct 2013 12:18:00 +0200
> Sebastian Andrzej Siewior <bigeasy at linutronix.de> wrote:
> 
>> * Mario Kleiner | 2013-09-26 18:16:47 [+0200]:
>>
>>> Good! I will do that. Thanks for clarifying the irq and constraints
>>> on raw locks in the other thread.
>>
>> Are there any suggestions for "now"?  preempt_disable_nort() like Luis
>> suggesed?
>>
> 
> The preempt_disable_nort() is rather pointless, because the
> preempt_disable() was added specifically for -rt. When PREEMPT_RT is
> not enabled, preemption is disabled there already by the previous calls
> to spin_lock().

Either way. Then I remove the preempt_enable/disable call. Any
objections?

> -- Steve
> 
Sebastian


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