1 files changed, 19 insertions, 2 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 84c3bd05c639..38d7db3262c7 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -64,6 +64,7 @@ parameter is applicable:
         GENERIC_TIME The generic timeofday code is enabled.
         NFS     Appropriate NFS support is enabled.
         OSS     OSS sound support is enabled.
+        PV_OPS  A paravirtualized kernel
         PARIDE  The ParIDE subsystem is enabled.
         PARISC  The PA-RISC architecture is enabled.
         PCI     PCI bus support is enabled.
@@ -695,8 +696,15 @@ and is between 256 and 4096 characters. It is defined in the file
         idebus=         [HW] (E)IDE subsystem - VLB/PCI bus speed
                         See Documentation/ide.txt.
 
-        idle=           [HW]
-                        Format: idle=poll or idle=halt
+        idle=           [X86]
+                        Format: idle=poll or idle=mwait
+                        Poll forces a polling idle loop that can slightly improves the performance
+                        of waking up a idle CPU, but will use a lot of power and make the system
+                        run hot. Not recommended.
+                        idle=mwait. On systems which support MONITOR/MWAIT but the kernel chose
+                        to not use it because it doesn't save as much power as a normal idle
+                        loop use the MONITOR/MWAIT idle loop anyways. Performance should be the same
+                        as idle=poll.
 
         ignore_loglevel [KNL]
                         Ignore loglevel setting - this will print /all/
@@ -1157,6 +1165,11 @@ and is between 256 and 4096 characters. It is defined in the file
 
         nomce           [IA-32] Machine Check Exception
 
+        noreplace-paravirt      [IA-32,PV_OPS] Don't patch paravirt_ops
+
+        noreplace-smp   [IA-32,SMP] Don't replace SMP instructions
+                        with UP alternatives
+
         noresidual      [PPC] Don't use residual data on PReP machines.
 
         noresume        [SWSUSP] Disables resume and restores original swap
@@ -1562,6 +1575,9 @@ and is between 256 and 4096 characters. It is defined in the file
         smart2=         [HW]
                         Format: <io1>[,<io2>[,...,<io8>]]
 
+        smp-alt-once    [IA-32,SMP] On a hotplug CPU system, only
+                        attempt to substitute SMP alternatives once at boot.
+
         snd-ad1816a=    [HW,ALSA]
 
         snd-ad1848=     [HW,ALSA]
@@ -1820,6 +1836,7 @@ and is between 256 and 4096 characters. It is defined in the file
                         [USBHID] The interval which mice are to be polled at.
 
         vdso=           [IA-32,SH]
+                        vdso=2: enable compat VDSO (default with COMPAT_VDSO)
                         vdso=1: enable VDSO (default)
                         vdso=0: disable VDSO mapping