Christoph Hellwig wrote:
> On Thu, Jan 11, 2007 at 08:08:36PM +0100, Hoang-Nam Nguyen wrote:
>
> > spin_lock_irqsave(&ehca_cq_idr_lock, flags);
> > while (my_cq->nr_callbacks)
> > yield();
>
> Calling yield is a very bad idea in general. You should probably
> add a waitqueue that gets woken when nr_callbacks reaches zero to
> sleep effectively here.
Isn't that code outright buggy? Calling into the scheduler with a
spinlock held and local interrupts disabled...
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