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Re: spin_lock_irqsave() and spin_lock usage



Hi Devesh,


spin_lock_irqsave(&x_lock, x_lock_flags) ; . spin_lock_irqsave(&y_lock, y_lock_flags) ; <---- is this 'irqsave' justified?

It is redundant. The code is correct but it will make no difference if you use spin_lock() instead of spin_lock_irqsave() for y_lock.


Which one is more correct or there are some other implications?



The second one is preferable as it will save you a few instructions.


Thanks,

Rajat

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