On Thu, 19 Mar 2015, Joonsoo Kim wrote: > > I was under the impression that this_cpu operations would always result > > in an access, much like the *_ONCE accessors, so we should aways redo > > the access for this_cpu_read(s->cpu_slab->tid). Is that not the case? > > I'm not the expert on that operation. Christoph could answer it.
this_cpu_read() always generates a load via an asm instruction. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
