Re: [RFC][PATCH v3]: documentation,atomic: Add new documents
From: Peter Zijlstra
Date: Tue Aug 01 2017 - 12:42:10 EST
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).