On Fri, Mar 24, 2017 at 12:20:37PM -0700, Linus Torvalds wrote: > I doubt it's a show-stopper, if only because nobody cares about UP any > more. Not even the embedded world does.
For some obscure reason we recently introduced a variant for virt people. Where it would need memory barriers against the hypervisor, but having only a single vCPU not against itself.
