On Wed, 2015-07-15 at 12:52 +0300, Konstantin Khlebnikov wrote:
> These functions check should_resched() before unlocking spinlock/bh-enable:
> preempt_count always non-zero => should_resched() always returns false.
> cond_resched_lock() worked iff spin_needbreak is set.

Interesting, this definitely used to work (linux-3.11)

Any idea of which commit broke things ?



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