On Mon, Dec 07, 2020 at 11:09:39AM +0106, John Ogness wrote: > That will not work. We are talking about a situation where the writer is > preempted. So seq will never equal seq_copy in that situation. I expect > that the seqcount_latch is necessary.
Interrupted rather, I would think, specifically NMIs? Then yes, latch should work. Gets you either the old or new, but never something in between.
