On Tue, Nov 08, 2011 at 09:44:30AM -0700, Alex Williamson wrote: > bit 0 (PCI_PASID_ENABLE) is reserved in the CAP register... Is it? Which spec are you using? In my version it is not reserved but states if it is supported to set the enable-bit. > Which means we need to check CTRL, not CAP to see if it was previously > enabled... or maybe this check is entirely wrong and we're was trying to > see if enable is supported. I will check how this looks in my test environment. > And nobody exposes PCI_PASID_ENABLE because it doesn't exist as a > capability. > > It's easy to see this if the bit definitions are named appropriately and > specified per register instead of being lumped together as "close > enough". Thanks, I don't object against your renames as long as it doesn't cause merge-conflicts with what I plan to send upstream. Thanks, Joerg -- AMD Operating System Research Center Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach General Managers: Alberto Bozzo, Andrew Bowd Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632 -- 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