Messages in this thread | | | Date | Thu, 09 Apr 2015 16:56:06 -0600 | From | Thavatchai Makphaibulchoke <> | Subject | Re: [PATCH v2 1/2] rtmutex Real-Time Linux: Fixing kernel BUG at kernel/locking/rtmutex.c:997! |
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On 04/08/2015 02:50 AM, Thomas Gleixner wrote: > > Don't even try to get this working. Taking the lock in idle/interrupt > context is just plain wrong. >
Thanks for the comments.
Could you please confirm you meant rt_mutex as it can go to sleep.
> The proper solution is to get rid of the locking requirement and that > needs some thought on the timer wheel code. >
Yes, I agree fixing the problem in the timer code is the proper solution. BTW, once the code is fixed, I think we should add WARN_ON(in_irq()); to the function spin_do_trylock() to prevent any invalid future usage.
Thanks, Mak.
> Thanks, > > tglx >
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