1 files changed, 166 insertions, 25 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index e07c432c731f..2443f5bb4364 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -87,7 +87,8 @@ parameter is applicable:
         SH      SuperH architecture is enabled.
         SMP     The kernel is an SMP kernel.
         SPARC   Sparc architecture is enabled.
-        SWSUSP  Software suspend is enabled.
+        SWSUSP  Software suspend (hibernation) is enabled.
+        SUSPEND System suspend states are enabled.
         TS      Appropriate touchscreen support is enabled.
         USB     USB support is enabled.
         USBHID  USB Human Interface Device support is enabled.
@@ -147,10 +148,16 @@ 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, s4_nohwsig, 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.
+                        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).
 
         acpi_sci=       [HW,ACPI] ACPI System Control Interrupt trigger mode
                         Format: { level | edge | high | low }
@@ -271,6 +278,22 @@ and is between 256 and 4096 characters. It is defined in the file
         aic79xx=        [HW,SCSI]
                         See Documentation/scsi/aic79xx.txt.
 
+        amd_iommu=      [HW,X86-84]
+                        Pass parameters to the AMD IOMMU driver in the system.
+                        Possible values are:
+                        isolate - enable device isolation (each device, as far
+                                  as possible, will get its own protection
+                                  domain)
+                        fullflush - enable flushing of IO/TLB entries when
+                                    they are unmapped. Otherwise they are
+                                    flushed before they will be reused, which
+                                    is a lot of faster
+
+        amd_iommu_size= [HW,X86-64]
+                        Define the size of the aperture for the AMD IOMMU
+                        driver. Possible values are:
+                        '32M', '64M' (default), '128M', '256M', '512M', '1G'
+
         amijoy.map=     [HW,JOY] Amiga joystick support
                         Map of devices attached to JOY0DAT and JOY1DAT
                         Format: <a>,<b>
@@ -295,7 +318,7 @@ and is between 256 and 4096 characters. It is defined in the file
                         when initialising the APIC and IO-APIC components.
 
         apm=            [APM] Advanced Power Management
-                        See header of arch/i386/kernel/apm.c.
+                        See header of arch/x86/kernel/apm_32.c.
 
         arcrimi=        [HW,NET] ARCnet - "RIM I" (entirely mem-mapped) cards
                         Format: <io>,<irq>,<nodeID>
@@ -347,6 +370,8 @@ and is between 256 and 4096 characters. It is defined in the file
                         no delay (0).
                         Format: integer
 
+        bootmem_debug   [KNL] Enable bootmem allocator debug messages.
+
         bttv.card=      [HW,V4L] bttv (bt848 + bt878 based grabber cards)
         bttv.radio=     Most important insmod options are available as
                         kernel args too.
@@ -443,12 +468,6 @@ and is between 256 and 4096 characters. It is defined in the file
                         Range: 0 - 8192
                         Default: 64
 
-        disable_8254_timer
-        enable_8254_timer
-                        [IA32/X86_64] Disable/Enable interrupt 0 timer routing
-                        over the 8254 in addition to over the IO-APIC. The
-                        kernel tries to set a sensible default.
-
         hpet=           [X86-32,HPET] option to control HPET usage
                         Format: { enable (default) | disable | force }
                         disable: disable HPET and use PIT instead
@@ -560,6 +579,8 @@ and is between 256 and 4096 characters. It is defined in the file
 
         debug_objects   [KNL] Enable object debugging
 
+        debugpat        [X86] Enable PAT debugging
+
         decnet.addr=    [HW,NET]
                         Format: <area>[,<node>]
                         See also Documentation/networking/decnet.txt.
@@ -599,6 +620,29 @@ and is between 256 and 4096 characters. It is defined in the file
                         See drivers/char/README.epca and
                         Documentation/digiepca.txt.
 
+        disable_mtrr_cleanup [X86]
+        enable_mtrr_cleanup [X86]
+                        The kernel tries to adjust MTRR layout from continuous
+                        to discrete, to make X server driver able to add WB
+                        entry later. This parameter enables/disables that.
+
+        mtrr_chunk_size=nn[KMG] [X86]
+                        used for mtrr cleanup. It is largest continous chunk
+                        that could hold holes aka. UC entries.
+
+        mtrr_gran_size=nn[KMG] [X86]
+                        Used for mtrr cleanup. It is granularity of mtrr block.
+                        Default is 1.
+                        Large value could prevent small alignment from
+                        using up MTRRs.
+
+        mtrr_spare_reg_nr=n [X86]
+                        Format: <integer>
+                        Range: 0,7 : spare reg number
+                        Default : 1
+                        Used for mtrr cleanup. It is spare mtrr entries number.
+                        Set to 2 or more if your graphical card needs more.
+
         disable_mtrr_trim [X86, Intel and AMD only]
                         By default the kernel will trim any uncacheable
                         memory out of your available memory pool based on
@@ -614,11 +658,12 @@ and is between 256 and 4096 characters. It is defined in the file
         earlyprintk=    [X86-32,X86-64,SH,BLACKFIN]
                         earlyprintk=vga
                         earlyprintk=serial[,ttySn[,baudrate]]
+                        earlyprintk=dbgp
 
                         Append ",keep" to not disable it when the real console
                         takes over.
 
-                        Only vga or serial at a time, not both.
+                        Only vga or serial or usb debug port at a time.
 
                         Currently only ttyS0 and ttyS1 are supported.
 
@@ -638,7 +683,7 @@ and is between 256 and 4096 characters. It is defined in the file
 
         elanfreq=       [X86-32]
                         See comment before function elanfreq_setup() in
-                        arch/i386/kernel/cpu/cpufreq/elanfreq.c.
+                        arch/x86/kernel/cpu/cpufreq/elanfreq.c.
 
         elevator=       [IOSCHED]
                         Format: {"anticipatory" | "cfq" | "deadline" | "noop"}
@@ -722,9 +767,6 @@ and is between 256 and 4096 characters. It is defined in the file
         hd=             [EIDE] (E)IDE hard drive subsystem geometry
                         Format: <cyl>,<head>,<sect>
 
-        hd?=            [HW] (E)IDE subsystem
-        hd?lun=         See Documentation/ide/ide.txt.
-
         highmem=nn[KMG] [KNL,BOOT] forces the highmem zone to have an exact
                         size of <nn>. This works even on boxes that have no
                         highmem otherwise. This also works to reduce highmem
@@ -737,8 +779,22 @@ and is between 256 and 4096 characters. It is defined in the file
         hisax=          [HW,ISDN]
                         See Documentation/isdn/README.HiSax.
 
-        hugepages=      [HW,X86-32,IA-64] Maximal number of HugeTLB pages.
-        hugepagesz=     [HW,IA-64,PPC] The size of the HugeTLB pages.
+        hugepages=      [HW,X86-32,IA-64] HugeTLB pages to allocate at boot.
+        hugepagesz=     [HW,IA-64,PPC,X86-64] The size of the HugeTLB pages.
+                        On x86-64 and powerpc, this option can be specified
+                        multiple times interleaved with hugepages= to reserve
+                        huge pages of different sizes. Valid pages sizes on
+                        x86-64 are 2M (when the CPU supports "pse") and 1G
+                        (when the CPU supports the "pdpe1gb" cpuinfo flag)
+                        Note that 1GB pages can only be allocated at boot time
+                        using hugepages= and not freed afterwards.
+        default_hugepagesz=
+                        [same as hugepagesz=] The size of the default
+                        HugeTLB page size. This is the size represented by
+                        the legacy /proc/ hugepages APIs, used for SHM, and
+                        default size when mounting hugetlbfs filesystems.
+                        Defaults to the default architecture's huge page size
+                        if not specified.
 
         i8042.direct    [HW] Put keyboard port into non-translated mode
         i8042.dumbkbd   [HW] Pretend that controller can only read data from
@@ -785,7 +841,7 @@ 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.
@@ -793,6 +849,9 @@ 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.
@@ -961,6 +1020,10 @@ and is between 256 and 4096 characters. It is defined in the file
                         (only serial suported for now)
                         Format: <serial_device>[,baud]
 
+        kmac=           [MIPS] korina ethernet MAC address.
+                        Configure the RouterBoard 532 series on-chip
+                        Ethernet adapter MAC address.
+
         l2cr=           [PPC]
 
         l3cr=           [PPC]
@@ -1015,6 +1078,9 @@ and is between 256 and 4096 characters. It is defined in the file
 
                         * [no]ncq: Turn on or off NCQ.
 
+                        * nohrst, nosrst, norst: suppress hard, soft
+                          and both resets.
+
                         If there are multiple matching configurations changing
                         the same attribute, the last one is used.
 
@@ -1166,7 +1232,30 @@ and is between 256 and 4096 characters. It is defined in the file
                                  or
                                  memmap=0x10000$0x18690000
 
-        memtest=        [KNL,X86_64] Enable memtest
+        memory_corruption_check=0/1 [X86]
+                        Some BIOSes seem to corrupt the first 64k of
+                        memory when doing things like suspend/resume.
+                        Setting this option will scan the memory
+                        looking for corruption.  Enabling this will
+                        both detect corruption and prevent the kernel
+                        from using the memory being corrupted.
+                        However, its intended as a diagnostic tool; if
+                        repeatable BIOS-originated corruption always
+                        affects the same memory, you can use memmap=
+                        to prevent the kernel from using that memory.
+
+        memory_corruption_check_size=size [X86]
+                        By default it checks for corruption in the low
+                        64k, making this memory unavailable for normal
+                        use.  Use this parameter to scan for
+                        corruption in more or less memory.
+
+        memory_corruption_check_period=seconds [X86]
+                        By default it checks for corruption every 60
+                        seconds.  Use this parameter to check at some
+                        other rate.  0 disables periodic checking.
+
+        memtest=        [KNL,X86] Enable memtest
                         Format: <integer>
                         range: 0,4 : pattern number
                         default : 0 <disable>
@@ -1185,6 +1274,14 @@ and is between 256 and 4096 characters. It is defined in the file
 
         mga=            [HW,DRM]
 
+        mminit_loglevel=
+                        [KNL] When CONFIG_DEBUG_MEMORY_INIT is set, this
+                        parameter allows control of the logging verbosity for
+                        the additional memory initialisation checks. A value
+                        of 0 disables mminit logging and a level of 4 will
+                        log everything. Information is printed at KERN_DEBUG
+                        so loglevel=8 may also need to be specified.
+
         mousedev.tap_time=
                         [MOUSE] Maximum time between finger touching and
                         leaving touchpad surface for touch to be considered
@@ -1208,6 +1305,11 @@ and is between 256 and 4096 characters. It is defined in the file
         mtdparts=       [MTD]
                         See drivers/mtd/cmdlinepart.c.
 
+        mtdset=         [ARM]
+                        ARM/S3C2412 JIVE boot control
+
+                        See arch/arm/mach-s3c2412/mach-jive.c
+
         mtouchusb.raw_coordinates=
                         [HW] Make the MicroTouch USB driver use raw coordinates
                         ('y', default) or cooked coordinates ('n')
@@ -1234,6 +1336,13 @@ and is between 256 and 4096 characters. It is defined in the file
                         This usage is only documented in each driver source
                         file if at all.
 
+        nf_conntrack.acct=
+                        [NETFILTER] Enable connection tracking flow accounting
+                        0 to disable accounting
+                        1 to enable accounting
+                        Default value depends on CONFIG_NF_CT_ACCT that is
+                        going to be removed in 2.6.29.
+
         nfsaddrs=       [NFS]
                         See Documentation/filesystems/nfsroot.txt.
 
@@ -1343,6 +1452,12 @@ and is between 256 and 4096 characters. It is defined in the file
 
         nolapic_timer   [X86-32,APIC] Do not use the local APIC timer.
 
+        nox2apic        [X86-64,APIC] Do not enable x2APIC mode.
+
+        x2apic_phys     [X86-64,APIC] Use x2apic physical mode instead of
+                        default x2apic cluster mode on platforms
+                        supporting x2apic.
+
         noltlbs         [PPC] Do not use large page/tlb entries for kernel
                         lowmem mapping on PPC40x.
 
@@ -1496,6 +1611,9 @@ 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
@@ -1571,6 +1689,10 @@ and is between 256 and 4096 characters. It is defined in the file
                         Format: { parport<nr> | timid | 0 }
                         See also Documentation/parport.txt.
 
+        pmtmr=          [X86] Manual setup of pmtmr I/O Port. 
+                        Override pmtimer IOPort with a hex value.
+                        e.g. pmtmr=0x508
+
         pnpacpi=        [ACPI]
                         { off }
 
@@ -1679,6 +1801,10 @@ and is between 256 and 4096 characters. It is defined in the file
                         Format: <reboot_mode>[,<reboot_mode2>[,...]]
                         See arch/*/kernel/reboot.c or arch/*/kernel/process.c                   
 
+        relax_domain_level=
+                        [KNL, SMP] Set scheduler's default relax_domain_level.
+                        See Documentation/cpusets.txt.
+
         reserve=        [KNL,BUGS] Force the kernel to ignore some iomem area
 
         reservetop=     [X86-32]
@@ -1789,6 +1915,12 @@ and is between 256 and 4096 characters. It is defined in the file
         shapers=        [NET]
                         Maximal number of shapers.
 
+        show_msr=       [x86] show boot-time MSR settings
+                        Format: { <integer> }
+                        Show boot-time (BIOS-initialized) MSR settings.
+                        The parameter means the number of CPUs to show,
+                        for example 1 means boot CPU only.
+
         sim710=         [SCSI,HW]
                         See header of drivers/scsi/sim710.c.
 
@@ -1971,6 +2103,9 @@ and is between 256 and 4096 characters. It is defined in the file
 
         snd-ymfpci=     [HW,ALSA]
 
+        softlockup_panic=
+                        [KNL] Should the soft-lockup detector generate panics.
+
         sonypi.*=       [HW] Sony Programmable I/O Control Device driver
                         See Documentation/sonypi.txt
 
@@ -2035,6 +2170,12 @@ and is between 256 and 4096 characters. It is defined in the file
 
         tdfx=           [HW,DRM]
 
+        test_suspend=   [SUSPEND]
+                        Specify "mem" (for Suspend-to-RAM) or "standby" (for
+                        standby suspend) as the system sleep state to briefly
+                        enter during system startup.  The system is woken from
+                        this state using a wakeup-capable RTC alarm.
+
         thash_entries=  [KNL,NET]
                         Set number of hash buckets for TCP connection
 
@@ -2062,13 +2203,6 @@ and is between 256 and 4096 characters. It is defined in the file
                         <deci-seconds>: poll all this frequency
                         0: no polling (default)
 
-        tipar.timeout=  [HW,PPT]
-                        Set communications timeout in tenths of a second
-                        (default 15).
-
-        tipar.delay=    [HW,PPT]
-                        Set inter-bit delay in microseconds (default 10).
-
         tmscsim=        [HW,SCSI]
                         See comment before function dc390_setup() in
                         drivers/scsi/tmscsim.c.
@@ -2102,6 +2236,10 @@ 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
@@ -2112,6 +2250,9 @@ and is between 256 and 4096 characters. It is defined in the file
         usbhid.mousepoll=
                         [USBHID] The interval which mice are to be polled at.
 
+        add_efi_memmap  [EFI; x86-32,X86-64] Include EFI memory map in
+                        kernel's map of available physical RAM.
+
         vdso=           [X86-32,SH,x86-64]
                         vdso=2: enable compat VDSO (default with COMPAT_VDSO)
                         vdso=1: enable VDSO (default)