1 files changed, 27 insertions, 19 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index ed0a72442cf3..8511d3532c27 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -141,6 +141,7 @@ and is between 256 and 4096 characters. It is defined in the file
                         ht -- run only enough ACPI to enable Hyper Threading
                         strict -- Be less tolerant of platforms that are not
                                 strictly ACPI specification compliant.
+                        rsdt -- prefer RSDT over (default) XSDT
 
                         See also Documentation/power/pm.txt, pci=noacpi
 
@@ -151,16 +152,20 @@ 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, s4_nohwsig, old_ordering }
-                        See Documentation/power/video.txt for s3_bios and s3_mode.
+                        Format: { s3_bios, s3_mode, s3_beep, s4_nohwsig,
+                                  old_ordering, s4_nonvs }
+                        See Documentation/power/video.txt for information on
+                        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.
                         s4_nohwsig prevents ACPI hardware signature from being
                         used during resume from hibernation.
                         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).
+                        control method, with respect to putting devices into
+                        low power states, to be enforced (the ACPI 2.0 ordering
+                        of _PTS is used by default).
+                        s4_nonvs prevents the kernel from saving/restoring the
+                        ACPI NVS memory during hibernation.
 
         acpi_sci=       [HW,ACPI] ACPI System Control Interrupt trigger mode
                         Format: { level | edge | high | low }
@@ -195,7 +200,7 @@ and is between 256 and 4096 characters. It is defined in the file
         acpi_skip_timer_override [HW,ACPI]
                         Recognize and ignore IRQ0/pin2 Interrupt Override.
                         For broken nForce2 BIOS resulting in XT-PIC timer.
-        acpi_use_timer_override [HW,ACPI}
+        acpi_use_timer_override [HW,ACPI]
                         Use timer override. For some broken Nvidia NF5 boards
                         that require a timer override, but don't have
                         HPET
@@ -878,17 +883,19 @@ 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, 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.
-                        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.
-                        idle=halt. Halt is forced to be used for CPU idle.
+                        Format: idle=poll, idle=mwait, idle=halt, idle=nomwait
+                        Poll forces a polling idle loop that can slightly
+                        improve 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.
+                        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
+                        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.
@@ -1074,8 +1081,8 @@ and is between 256 and 4096 characters. It is defined in the file
         lapic           [X86-32,APIC] Enable the local APIC even if BIOS
                         disabled it.
 
-        lapic_timer_c2_ok       [X86-32,x86-64,APIC] trust the local apic timer in
-                        C2 power state.
+        lapic_timer_c2_ok       [X86-32,x86-64,APIC] trust the local apic timer
+                        in C2 power state.
 
         libata.dma=     [LIBATA] DMA control
                         libata.dma=0      Disable all PATA and SATA DMA
@@ -2303,7 +2310,8 @@ and is between 256 and 4096 characters. It is defined in the file
 
         thermal.psv=    [HW,ACPI]
                         -1: disable all passive trip points
-                        <degrees C>: override all passive trip points to this value
+                        <degrees C>: override all passive trip points to this
+                        value
 
         thermal.tzp=    [HW,ACPI]
                         Specify global default ACPI thermal zone polling rate