On Fri, Jul 01, 2016 at 10:05:50AM -0700, Doug Anderson wrote: > I'm curious why you you need a timer at all. Can't you just keep > track of the jiffies that you last sent and do subtraction? ...or you > could get even more accurate and use a ktime_t. That avoids a whole > lot of synchronization / locking issues too... Yeah, that'd be a lot better. > Also: presumably you'll need to make sure that there's some margin in > this whole thing. I'd imagine that if the timeout is 10000 > nanoseconds and you do the calculation and you last sent 9999 > nanoseconds ago then you might decide that the other side isn't asleep > yet. ...but by the time the transfer starts it might be asleep... Indeed.
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