Re: [PATCH] scheduler: convert BUG_ON()s in try_to_wake_up_local()to WARN_ON_ONCE()s

[Peter Zijlstra]

On Mon, 2013-03-18 at 12:22 -0700, Tejun Heo wrote:
> try_to_wake_up_local() should only be invoked to wake up another task
> in the same runqueue and BUG_ON()s are used to enforce the rule.
> Missing try_to_wake_up_local() can stall workqueue execution but such
> stalls are likely to be finite either by another work item being
> queued or the one blocked getting unblocked.  There's no reason to
> trigger BUG while holding rq lock crashing the whole system.
> 
> Convert BUG_ON()s in try_to_wake_up_local() to WARN_ON_ONCE()s.

Doesn't really matter either way, the printk()s triggered by either
will very likely kill the system anyhow ;-)

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