On Tue, Aug 01, 2017 at 09:14:12AM -0700, Paul E. McKenney wrote: > So if ARM really needs the litmus test with smp_rmb() to be allowed, > we need to adjust the Linux-kernel memory model appropriately. Which > means that one of us needs to reach out to the usual suspects. Would > you like to do that, or would you like me to?
I'm really sad ARM8.1 LSE breaks this stuff.. It is rather counter intuitive (then again, we _are_ talking barriers).