AMD IOMMU: add parameter to disable device isolation
Impact: add a new AMD IOMMU kernel command line parameter
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 9fa6508..b56ee02 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -295,6 +295,8 @@
isolate - enable device isolation (each device, as far
as possible, will get its own protection
domain)
+ 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