Re: [PATCH 2/3] locking: Clarify requirements for smp_mb__after_spinlock()
From: Matthew Wilcox
Date: Thu Jun 28 2018 - 09:03:08 EST
On Thu, Jun 28, 2018 at 12:41:19PM +0200, Andrea Parri wrote:
> + * smp_mb__after_spinlock() provides a full memory barrier between po-earlier
> + * lock acquisitions and po-later memory accesses.
What does po-earlier mean? Partial order?