On Tue, 25 Mar 2014, Michal Hocko wrote: > You are right. The function even does VM_BUG_ON(!irqs_disabled())... > Unfortunatelly we do not seem to have an _irq alternative of the bit > spinlock. > Not sure what to do about it. Christoph? > > Btw. it seems to go way back to 3.1 (1d07171c5e58e).
Well there is a preempt_enable() (bit_spin_lock) and a preempt_disable() bit_spin_unlock() within a piece of code where irqs are disabled. Is that a problem? Has been there for a long time. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
