lkml.org 
[lkml]   [2005]   [Jul]   [31]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateSun, 31 Jul 2005 12:44:18 +0200
FromIngo Molnar <>
SubjectRe: [patch] Real-Time Preemption, -RT-2.6.13-rc4-V0.7.52-01
* 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 ...

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

\
 
 \ /
  Last update: 2005-07-31 12:46    [from the cache]
©2003-2008