[PATCH] uml: add mode=skas0 as a synonym of skas0

Too many people were confused by skas0 and tried using "mode=skas0". And after
all, they are right - accept this.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c
index 6af83171ca4e..b99ab414542f 100644
--- a/arch/um/os-Linux/start_up.c
+++ b/arch/um/os-Linux/start_up.c
@@ -143,11 +143,22 @@ static int __init skas0_cmd_param(char *str, int* add)
         return 0;
 }
 
+/* The two __uml_setup would conflict, without this stupid alias. */
+
+static int __init mode_skas0_cmd_param(char *str, int* add)
+        __attribute__((alias("skas0_cmd_param")));
+
 __uml_setup("skas0", skas0_cmd_param,
                 "skas0\n"
                 "    Disables SKAS3 usage, so that SKAS0 is used, unless \n"
                 "    you specify mode=tt.\n\n");
 
+__uml_setup("mode=skas0", mode_skas0_cmd_param,
+                "mode=skas0\n"
+                "    Disables SKAS3 usage, so that SKAS0 is used, unless you \n"
+                "    specify mode=tt. Note that this was recently added - on \n"
+                "    older kernels you must use simply \"skas0\".\n\n");
+
 static int force_sysemu_disabled = 0;
 
 static int __init nosysemu_cmd_param(char *str, int* add)