On Mon, Apr 25, 2016 at 11:48:47AM -0400, Tejun Heo wrote: > Heh, excellent debugging. I wonder how old this bug is. cc'ing David
I just went through the history. So, we used to have clear_bit() instead of atomic_long_set() but clear_bit() doesn't imply any barrier either, so kudos to you. You just debugged an issue which is most likely has been there for over a decade! :) -- tejun
