> Of course, the normal memory barrier would usually be a "spin_unlock()" or > something like that, not a "wmb()". In fact, I don't think the powerpc > implementation (as an example of this) will actually synchronize with > anything *but* a spin_unlock().
We are even more sneaky in the sense that we set a per-cpu flag on any MMIO write and do the sync automatically in spin_unlock() :-) Ben. - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
