On Wed, 12 February 2014 19:06:37 -0500, David Miller wrote: > > It isn't being used to determine when to destroy things. > > They use it to as a heuristic of when to trigger polling. > > Each ubuf attached gets a kref to the higher level virtio_net buffer > holding object, they want to trigger polling when that reference drops > to 1 or lower. > > Right now they are reading the atomic refcount directly, which > I think is much worse than this helper.
I disagree. Reading the refcount directly is leaving noone under any illusion that this might be a good idea. Jörn -- Victory in war is not repetitious. -- Sun Tzu -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
