[Xen-changelog] [xen-unstable] docs: Adds VT-d testing combinations and lists OS which VT-d works on.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1197627728 0
# Node ID 75b56d086b26ac01fb563dd9128995d544c15e6f
# Parent  a1ba468e45ebe14cb450cd99f54c334578c12a19
docs: Adds VT-d testing combinations and lists OS which VT-d works on.
Signed-off-by: Weidong Han <weidong.han@xxxxxxxxx>
---
 docs/misc/vtd.txt |   18 +++++++++++++++++-
 1 files changed, 17 insertions(+), 1 deletion(-)

diff -r a1ba468e45eb -r 75b56d086b26 docs/misc/vtd.txt
--- a/docs/misc/vtd.txt Fri Dec 14 10:17:50 2007 +0000
+++ b/docs/misc/vtd.txt Fri Dec 14 10:22:08 2007 +0000
@@ -2,7 +2,7 @@ Authors : Allen Kay    <allen.m.kay@inte
 Authors : Allen Kay    <allen.m.kay@xxxxxxxxx>
           Weidong Han  <weidong.han@xxxxxxxxx>
 Created : October-24-2007
-Updated : December-11-2007
+Updated : December-13-2007
 
 How to turn on VT-d in Xen
 --------------------------
@@ -41,6 +41,22 @@ PCIe devices do not have this restrictio
 PCIe devices do not have this restriction.
 
 
+VT-d Works on OS:
+-----------------
+
+1) Host OS: PAE, 64-bit
+2) Guest OS: 32-bit, PAE, 64-bit
+
+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.
+
+
+Combinations Tested:
+--------------------
+
+1) 64-bit host: 32/PAE/64 Linux/XP/Win2003/Vista guests
+2) PAE host: 32/PAE Linux/XP/Win2003/Vista guests
+
+
 VT-d Enabled Systems
 --------------------
 

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