Messages in this thread | | | From | Linus Torvalds <> | Date | Thu, 11 Apr 2019 15:34:33 -0700 | Subject | Re: [PATCH v2 01/21] docs/memory-barriers.txt: Rewrite "KERNEL I/O BARRIER EFFECTS" section |
| |
On Thu, Apr 11, 2019 at 3:13 PM Benjamin Herrenschmidt <benh@kernel.crashing.org> wrote: > > Minor nit... I would have said "All readX() and writeX() accesses _from > the same CPU_ to the same peripheral... and then s/the CPU/this CPU.
Maybe talk about "same thread" rather than "same cpu", with the understanding that scheduling/preemption has to include the appropriate cross-CPU IO barrier?
Linus
| |