On Fri, Sep 27, 2013 at 07:34:55AM -0700, Joe Perches wrote: > That would make it seem as if all barriers are SMP no?
I would think any memory barrier is ordering against someone else; if not smp then a device/hardware -- like for instance the hardware page table walker. Barriers are fundamentally about order; and order only makes sense if there's more than 1 party to the game. > Maybe just refer to Documentation/memory-barriers.txt > and/or say something like "please document appropriately" Documentation/memory-barriers.txt is always good; appropriately doesn't seem to quantify anything much at all. Someone might think: /* */ smp_mb(); appropriate... -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/