On 06/27/2014 10:34 AM, Dave Hansen wrote: > I'm claiming that we need COW behavior for the bounds tables, at least > by default. If userspace knows enough about the ways that it is using > the tables and knows how to share them, let it go to town. The kernel > will permit this kind of usage model, but we simply won't be helping > with the management of the tables when userspace creates them.
Actually, this is another reason we need to mark VMAs as being MPX-related explicitly instead of inferring it from the tables. If userspace does something really specialized like this, the kernel does not want to confuse these VMAs the ones it created. -- 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/