Messages in this thread | | | Date | Sun, 31 Jul 2005 12:44:18 +0200 | From | Ingo Molnar <> | Subject | Re: [patch] Real-Time Preemption, -RT-2.6.13-rc4-V0.7.52-01 |
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* Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:
> because end_buffer_async_read/write use bit_spin_(un)lock and I do not > know how those interact with -RT.
bit_spin_lock is preemptible too - but it's not a too nice construct. What seems to have happened in your trace is that local_irq_disable() was used too in combination with bit-spinlocks, and a spinlock was taken from within it. The best fix would be to get rid of bit-spinlocks ...
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