Re: [PATCH v2 5/6] staging:iio:events: Use non-atomic bitops

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On Wed, Feb 01, 2012 at 07:45:55PM +0100, Lars-Peter Clausen wrote:
> We always hold the waitqueue lock when modifying the flags field. So it is safe
> to use the non-atomic bitops here instead of the atomic versions.
> 
> The lock has to be held, because we need to clear the busy flag and flush the
> event fifo in one atomic operation when closing the event file descriptor.
> 

Is the performance improvement worth it?

regards,
dan carpenter

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