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Now that the rps interrupt locking isn't clearly separated (at elast conceptually) from all the other interrupt locking having a different lock stopped making sense: It protects much more than just the rps workqueue it started out with. But with the addition of VECS the separation started to blurr and resulted in some more complex locking for the ring interrupt refcount. With this we can (again) unifiy the ringbuffer irq refcounts without causing a massive confusion, but that's for the next patch. v2: Explain better why the rps.lock once made sense and why no longer, requested by Ben. Reviewed-by: Ben Widawsky <ben@bwidawsk.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> |
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