Merge phase #3 (IOMMU) of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux...
[linux-2.6.git] / Documentation / kernel-parameters.txt
index d0fff6302f68de3b0ec08afd9df111a5974701fe..2ca9c8f8c8d8020d73402d7dbaeb3cdfe204ea68 100644 (file)
@@ -284,6 +284,11 @@ and is between 256 and 4096 characters. It is defined in the file
                        isolate - enable device isolation (each device, as far
                                  as possible, will get its own protection
                                  domain)
+                       fullflush - enable flushing of IO/TLB entries when
+                                   they are unmapped. Otherwise they are
+                                   flushed before they will be reused, which
+                                   is a lot of faster
+
        amd_iommu_size= [HW,X86-64]
                        Define the size of the aperture for the AMD IOMMU
                        driver. Possible values are: