Re: [tip:sched/core] sched: Pull up the might_sleep() check into cond_resched()

[Peter Zijlstra]

On Wed, 2009-07-22 at 19:17 +0200, FrÃdÃric Weisbecker wrote:

> Ah, I think I've got it. In case of !CONFIG_PREEMPT, the spinlocks of
> course don't play
> with preemption, making no change reflected in the preempt_count().
> The assumption of preempt_count() = 1
> is then false.

D'0h indeed. And I didn't hit that because the last time I build a !
CONFIG_PREEMPT kernel is like many years ago ;-)



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