> spin_lockirq
>
> spin_unlock
>
> restore_irq
Given this order, couldn't we _always_ not touch the preempt count since
irq's are off?
Further, since I doubt we ever see:
spin_lock_irq
restore_irq
spin_unlock
and the common use is:
spin_lock_irq
spin_unlock_irq
Isn't it safe to have spin_lock_irq *never* touch the preempt count?
Robert Love
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