[Intel-gfx] From work_struct to tasklet_struct

Chris Wilson chris at chris-wilson.co.uk
Thu May 19 08:21:10 UTC 2016


On Thu, May 19, 2016 at 08:48:29AM +0100, Chris Wilson wrote:
> Just a small set to convert our irq bottom-halves to use a tasklet
> instead of a work_struct. In theory, the tasklet has lower latency
> from the interrupt (or lower upper bound at least), but in practice I
> think it is clearer to be consistent in using tasklets for irq bh.

Forget this since as Ville pointed out, tasklets are softirq and cannot
sleep and we have far too many sleeps for slow hw.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre


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