1 files changed, 9 insertions, 14 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index e51fbd88661d..ed3708f8d0db 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1587,20 +1587,12 @@ and is between 256 and 4096 characters. It is defined in the file
 
         nmi_watchdog=   [KNL,BUGS=X86] Debugging features for SMP kernels
                         Format: [panic,][num]
-                        Valid num: 0,1,2
+                        Valid num: 0
                         0 - turn nmi_watchdog off
-                        1 - use the IO-APIC timer for the NMI watchdog
-                        2 - use the local APIC for the NMI watchdog using
-                        a performance counter. Note: This will use one
-                        performance counter and the local APIC's performance
-                        vector.
                         When panic is specified, panic when an NMI watchdog
                         timeout occurs.
                         This is useful when you use a panic=... timeout and
                         need the box quickly up again.
-                        Instead of 1 and 2 it is possible to use the following
-                        symbolic names: lapic and ioapic
-                        Example: nmi_watchdog=2 or nmi_watchdog=panic,lapic
 
         netpoll.carrier_timeout=
                         [NET] Specifies amount of time (in seconds) that
@@ -1630,6 +1622,8 @@ and is between 256 and 4096 characters. It is defined in the file
         noapic          [SMP,APIC] Tells the kernel to not make use of any
                         IOAPICs that may be present in the system.
 
+        noautogroup     Disable scheduler automatic task group creation.
+
         nobats          [PPC] Do not use BATs for mapping kernel lowmem
                         on "Classic" PPC cores.
 
@@ -1767,7 +1761,7 @@ and is between 256 and 4096 characters. It is defined in the file
 
         nousb           [USB] Disable the USB subsystem
 
-        nowatchdog      [KNL] Disable the lockup detector.
+        nowatchdog      [KNL] Disable the lockup detector (NMI watchdog).
 
         nowb            [ARM]
 
@@ -2475,12 +2469,13 @@ and is between 256 and 4096 characters. It is defined in the file
                         to facilitate early boot debugging.
                         See also Documentation/trace/events.txt
 
-        tsc=            Disable clocksource-must-verify flag for TSC.
+        tsc=            Disable clocksource stability checks for TSC.
                         Format: <string>
                         [x86] reliable: mark tsc clocksource as reliable, this
-                        disables clocksource verification at runtime.
-                        Used to enable high-resolution timer mode on older
-                        hardware, and in virtualized environment.
+                        disables clocksource verification at runtime, as well
+                        as the stability checks done at bootup. Used to enable
+                        high-resolution timer mode on older hardware, and in
+                        virtualized environment.
                         [x86] noirqtime: Do not use TSC to do irq accounting.
                         Used to run time disable IRQ_TIME_ACCOUNTING on any
                         platforms where RDTSC is slow and this accounting