Hello, On Fri, Aug 23, 2013 at 04:24:06PM +0200, H. Peter Anvin wrote: > Well... relying on MTRRs is a big cost in complexity and failure modes. Yeah, it's true that MTRRs are nasty. On the other hand, we've been doing that for over a decade and are still doing it anyway if I'm not mistaken. It probably isn't a big difference but it's still a bit sad that this is likely causing small performance regression out in the wild. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html