1 files changed, 18 insertions, 12 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 465a786a3788..fce5b5e516cc 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -85,7 +85,6 @@ parameter is applicable:
         PPT     Parallel port support is enabled.
         PS2     Appropriate PS/2 support is enabled.
         RAM     RAM disk support is enabled.
-        ROOTPLUG The example Root Plug LSM is enabled.
         S390    S390 architecture is enabled.
         SCSI    Appropriate SCSI support is enabled.
                         A lot of drivers has their options described inside of
@@ -788,6 +787,13 @@ and is between 256 and 4096 characters. It is defined in the file
                         by the set_ftrace_notrace file in the debugfs
                         tracing directory.
 
+        ftrace_graph_filter=[function-list]
+                        [FTRACE] Limit the top level callers functions traced
+                        by the function graph tracer at boot up.
+                        function-list is a comma separated list of functions
+                        that can be changed at run time by the
+                        set_graph_function file in the debugfs tracing directory.
+
         gamecon.map[2|3]=
                         [HW,JOY] Multisystem joystick and NES/SNES/PSX pad
                         support via parallel port (up to 5 devices per port)
@@ -2041,8 +2047,15 @@ and is between 256 and 4096 characters. It is defined in the file
 
         print-fatal-signals=
                         [KNL] debug: print fatal signals
-                        print-fatal-signals=1: print segfault info to
-                        the kernel console.
+
+                        If enabled, warn about various signal handling
+                        related application anomalies: too many signals,
+                        too many POSIX.1 timers, fatal signals causing a
+                        coredump - etc.
+
+                        If you hit the warning due to signal overflow,
+                        you might want to try "ulimit -i unlimited".
+
                         default: off.
 
         printk.time=    Show timing data prefixed to each printk message line
@@ -2173,15 +2186,6 @@ and is between 256 and 4096 characters. It is defined in the file
                         Useful for devices that are detected asynchronously
                         (e.g. USB and MMC devices).
 
-        root_plug.vendor_id=
-                        [ROOTPLUG] Override the default vendor ID
-
-        root_plug.product_id=
-                        [ROOTPLUG] Override the default product ID
-
-        root_plug.debug=
-                        [ROOTPLUG] Enable debugging output
-
         rw              [KNL] Mount root device read-write on boot
 
         S               [KNL] Run init in single mode
@@ -2191,6 +2195,8 @@ and is between 256 and 4096 characters. It is defined in the file
 
         sbni=           [NET] Granch SBNI12 leased line adapter
 
+        sched_debug     [KNL] Enables verbose scheduler debug messages.
+
         sc1200wdt=      [HW,WDT] SC1200 WDT (watchdog) driver
                         Format: <io>[,<timeout>[,<isapnp>]]