Hi Bjorn None in the platform group say they know about this. So i'm fairly sure we don't do that on Intel hardware (x86). I'm not sure about the usage, it appears maybe it was a hack pre-virtualization for some direct access? (just wild guessing) On Thu, Dec 22, 2016 at 03:32:38PM -0800, Raj, Ashok wrote: > Let me check and keep you posted if we have such platforms to make sure if > we need this considerations for _TRA. Cheers, Ashok -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html