Re: [PATCH v2 1/2] rtmutex Real-Time Linux: Fixing kernel BUG at kernel/locking/rtmutex.c:997!

From: Thomas Gleixner
Date: Wed Apr 08 2015 - 04:50:54 EST


On Tue, 7 Apr 2015, Thavatchai Makphaibulchoke wrote:
> On 04/06/2015 07:59 PM, Steven Rostedt wrote:
> In this case we are not actually boosting the idle_task priority, which
> should be OK. But the warning could be very overwhelming on some
> platforms. TO keep the warning, I decided not to boots priority. Please
> let me know if you have any suggestion.

Don't even try to get this working. Taking the lock in idle/interrupt
context is just plain wrong.

The proper solution is to get rid of the locking requirement and that
needs some thought on the timer wheel code.

Thanks,

tglx
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