On Thu, Oct 20, 2022 at 8:14 AM Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: > > On Wed, Oct 19, 2022 at 10:40:40AM -0700, Linus Torvalds wrote: > > > Because as you say, the function is already called "read_atomic", and > > it should damn well *act* that way then. > > So I've been sitting on these here patches (and never having time to > repost them), which is how I noticed in the first place: > > https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/log/?h=x86/mm.pae This looks good to me. It'll help get rid of all those open-coded barrier()s and fix a couple of missing barrier()s.