Messages in this thread | | | Subject | Re: 2.6.12-rc2 in_atomic() picks up preempt_disable() | From | Arjan van de Ven <> | Date | Thu, 07 Apr 2005 12:17:37 +0200 |
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On Thu, 2005-04-07 at 20:10 +1000, Keith Owens wrote: > 2.6.12-rc2, with CONFIG_PREEMPT and CONFIG_PREEMPT_DEBUG. The > in_atomic() macro thinks that preempt_disable() indicates an atomic > region so calls to __might_sleep() result in a stack trace.
but you're not allowed to schedule when preempt is disabled!
> preempt_count() returns 1, no soft or hard irqs are running and no > spinlocks are held. It looks like there is no way to distinguish > between the use of preempt_disable() in the lock functions (atomic) and > preempt_disable() outside the lock functions (do nothing that might > migrate me).
in what code are you seeing this?
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