1.1 --- a/docs/misc/vtd.txt	Fri Dec 14 10:17:50 2007 +0000
     1.2 +++ b/docs/misc/vtd.txt	Fri Dec 14 10:22:08 2007 +0000
     1.3 @@ -2,7 +2,7 @@ Title   : How to do PCI Passthrough with
     1.4  Authors : Allen Kay    <allen.m.kay@intel.com>
     1.5            Weidong Han  <weidong.han@intel.com>
     1.6  Created : October-24-2007
     1.7 -Updated : December-11-2007
     1.8 +Updated : December-13-2007
     1.9  
    1.10  How to turn on VT-d in Xen
    1.11  --------------------------
    1.12 @@ -41,6 +41,22 @@ PCIe-to-PCI bridge have to be assigned t
    1.13  PCIe devices do not have this restriction.
    1.14  
    1.15  
    1.16 +VT-d Works on OS:
    1.17 +-----------------
    1.18 +
    1.19 +1) Host OS: PAE, 64-bit
    1.20 +2) Guest OS: 32-bit, PAE, 64-bit
    1.21 +
    1.22 +Because current Xen doesn't support MSI, for guest OS which uses MSI by default, need to add "pci=nomsi" option on its grub, e.g. RHEL5, FC6.
    1.23 +
    1.24 +
    1.25 +Combinations Tested:
    1.26 +--------------------
    1.27 +
    1.28 +1) 64-bit host: 32/PAE/64 Linux/XP/Win2003/Vista guests
    1.29 +2) PAE host: 32/PAE Linux/XP/Win2003/Vista guests
    1.30 +
    1.31 +
    1.32  VT-d Enabled Systems
    1.33  --------------------
    1.34