Linus Torvalds wrote:

On 24 Jul 2002, Robert Love wrote:

quoted

      if (preempt_count() == 1 && need_resched())

Then we get "if (0 && ..)" which should hopefully be evaluated away.

I think preempt_count() is not unconditionally 0 for non-preemptible
kernels, so I don't think this is a compile-time constant.

That may be a bug in preempt_count(), of course.

Didn't we just put bh_count and irq_count in the same
word???
-- 
George Anzinger   george@mvista.com
High-res-timers: 
http://sourceforge.net/projects/high-res-timers/
Real time sched:  http://sourceforge.net/projects/rtsched/
Preemption patch:
http://www.kernel.org/pub/linux/kernel/people/rml
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