AMD IOMMU: enable device isolation per default

[mv-sheeva.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 9fa6508892c287ce68e5449c894ae2fab2c7bbf9..f2e1e7fc0ffd9cf462a2adb85e4269fc28e671a8 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -294,7 +294,9 @@ and is between 256 and 4096 characters. It is defined in the file
                        Possible values are:
                        isolate - enable device isolation (each device, as far
                                  as possible, will get its own protection
-                                 domain)
+                                 domain) [default]
+                       share - put every device behind one IOMMU into the
+                               same protection domain
                        fullflush - enable flushing of IO/TLB entries when
                                    they are unmapped. Otherwise they are
                                    flushed before they will be reused, which