Re: [PATCH v2] rtmutex: take the waiter lock with irqs off

[Sebastian Andrzej Siewior]

On 11/22/2013 05:21 PM, Sebastian Andrzej Siewior wrote:
> On 11/22/2013 05:08 PM, Peter Zijlstra wrote:
>> On Fri, Nov 22, 2013 at 02:59:31PM +0100, Sebastian Andrzej Siewior wrote:
>>> +extern void __lockfunc rt_spin_try_unlock(spinlock_t *lock);
>>
>> I know what you mean, but.. try_unlock() just sounds wrong, how can we
>> attempt but fail to unlock a lock we hold ;-)

kernel BUG at kernel/rtmutex.c:850!
[<ffffffff815ee9d5>] rt_spin_try_unlock+0x25/0x30
[<ffffffff81091ccd>] get_next_timer_interrupt+0xdd/0x270

It depends how hard you try :P Bah.

Sebastian
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/