X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=INSTALL.Linux;h=c0344f23010bdad00857e7010f6e9e8f70f3be56;hb=539e96f62300e4afab00e5906a28e3b89301d62e;hp=5e38efb3622c9bd2468763fa16fe898f73915741;hpb=d65349ea28bb67a0062a9b4b60ff97538206373b;p=openvswitch

diff --git a/INSTALL.Linux b/INSTALL.Linux
index 5e38efb3..c0344f23 100644
--- a/INSTALL.Linux
+++ b/INSTALL.Linux
@@ -27,8 +27,11 @@ you will need the following software:
       connections from an Open vSwitch to an OpenFlow controller.  To
       enable, configure with --enable-ssl=yes.
 
-To compile the kernel module (which is required for operation), you
-must also install the following:
+To compile the kernel module, you must also install the following.  If
+you cannot build or install the kernel module, you may use the
+userspace-only implementation, at a cost in performance.  The
+userspace implementation may also lack some features.  Refer to
+INSTALL.userspace for more information.
 
     - A supported Linux kernel version.  Please refer to README for a
       list of supported versions.
@@ -58,12 +61,14 @@ If you are working from a Git tree or snapshot (instead of from a
 distribution tarball), or if you modify the Open vSwitch build system,
 you will also need the following software:
 
-    - Autoconf version 2.60 or later.
+    - Autoconf version 2.63 or later.
 
     - Automake version 1.10 or later.
 
     - pkg-config.  We test with version 0.22.
 
+    - Python 2.x, for x >= 4.
+
 Installation Requirements
 -------------------------