1 files changed, 17 insertions, 3 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 312fe77764a4..25e88cf5d84e 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -147,10 +147,14 @@ and is between 256 and 4096 characters. It is defined in the file
                         default: 0
 
         acpi_sleep=     [HW,ACPI] Sleep options
-                        Format: { s3_bios, s3_mode, s3_beep }
+                        Format: { s3_bios, s3_mode, s3_beep, old_ordering }
                         See Documentation/power/video.txt for s3_bios and s3_mode.
                         s3_beep is for debugging; it makes the PC's speaker beep
                         as soon as the kernel's real-mode entry point is called.
+                        old_ordering causes the ACPI 1.0 ordering of the _PTS
+                        control method, wrt putting devices into low power
+                        states, to be enforced (the ACPI 2.0 ordering of _PTS is
+                        used by default).
 
         acpi_sci=       [HW,ACPI] ACPI System Control Interrupt trigger mode
                         Format: { level | edge | high | low }
@@ -818,7 +822,7 @@ and is between 256 and 4096 characters. It is defined in the file
                         See Documentation/ide/ide.txt.
 
         idle=           [X86]
-                        Format: idle=poll or idle=mwait
+                        Format: idle=poll or idle=mwait, idle=halt, idle=nomwait
                         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.
@@ -826,6 +830,9 @@ and is between 256 and 4096 characters. It is defined in the file
                         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.
+                        idle=halt. Halt is forced to be used for CPU idle.
+                        In such case C2/C3 won't be used again.
+                        idle=nomwait. Disable mwait for CPU C-states
 
         ide-pci-generic.all-generic-ide [HW] (E)IDE subsystem
                         Claim all unknown PCI IDE storage controllers.
@@ -1199,7 +1206,7 @@ and is between 256 and 4096 characters. It is defined in the file
                                  or
                                  memmap=0x10000$0x18690000
 
-        memtest=        [KNL,X86_64] Enable memtest
+        memtest=        [KNL,X86] Enable memtest
                         Format: <integer>
                         range: 0,4 : pattern number
                         default : 0 <disable>
@@ -1534,6 +1541,9 @@ and is between 256 and 4096 characters. It is defined in the file
                                 Use with caution as certain devices share
                                 address decoders between ROMs and other
                                 resources.
+                norom           [X86-32,X86_64] Do not assign address space to
+                                expansion ROMs that do not already have
+                                BIOS assigned address ranges.
                 irqmask=0xMMMM  [X86-32] Set a bit mask of IRQs allowed to be
                                 assigned automatically to PCI devices. You can
                                 make the kernel exclude IRQs of your ISA cards
@@ -2148,6 +2158,10 @@ and is between 256 and 4096 characters. It is defined in the file
                         Note that genuine overcurrent events won't be
                         reported either.
 
+        unknown_nmi_panic
+                        [X86-32,X86-64]
+                        Set unknown_nmi_panic=1 early on boot.
+
         usbcore.autosuspend=
                         [USB] The autosuspend time delay (in seconds) used
                         for newly-detected USB devices (default 2).  This