1 files changed, 119 insertions, 35 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index e279b7242912..a0c5c5f4fce6 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -40,6 +40,7 @@ parameter is applicable:
         ALSA    ALSA sound support is enabled.
         APIC    APIC support is enabled.
         APM     Advanced Power Management support is enabled.
+        ARM     ARM architecture is enabled.
         AVR32   AVR32 architecture is enabled.
         AX25    Appropriate AX.25 support is enabled.
         BLACKFIN Blackfin architecture is enabled.
@@ -48,7 +49,9 @@ parameter is applicable:
         EDD     BIOS Enhanced Disk Drive Services (EDD) is enabled
         EFI     EFI Partitioning (GPT) is enabled
         EIDE    EIDE/ATAPI support is enabled.
+        EVM     Extended Verification Module
         FB      The frame buffer device is enabled.
+        FTRACE  Function tracing enabled.
         GCOV    GCOV profiling is enabled.
         HW      Appropriate hardware is enabled.
         IA-64   IA-64 architecture is enabled.
@@ -69,6 +72,7 @@ parameter is applicable:
                         Documentation/m68k/kernel-options.txt.
         MCA     MCA bus support is enabled.
         MDA     MDA console support is enabled.
+        MIPS    MIPS architecture is enabled.
         MOUSE   Appropriate mouse support is enabled.
         MSI     Message Signaled Interrupts (PCI).
         MTD     MTD (Memory Technology Device) support is enabled.
@@ -100,7 +104,6 @@ parameter is applicable:
         SPARC   Sparc architecture is enabled.
         SWSUSP  Software suspend (hibernation) is enabled.
         SUSPEND System suspend states are enabled.
-        FTRACE  Function tracing enabled.
         TPM     TPM drivers are enabled.
         TS      Appropriate touchscreen support is enabled.
         UMS     USB Mass Storage support is enabled.
@@ -115,7 +118,7 @@ parameter is applicable:
         X86-64  X86-64 architecture is enabled.
                         More X86-64 boot options can be found in
                         Documentation/x86/x86_64/boot-options.txt .
-        X86     Either 32bit or 64bit x86 (same as X86-32+X86-64)
+        X86     Either 32-bit or 64-bit x86 (same as X86-32+X86-64)
         XEN     Xen support is enabled
 
 In addition, the following text indicates that the option:
@@ -161,7 +164,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         rsdt -- prefer RSDT over (default) XSDT
                         copy_dsdt -- copy DSDT to memory
 
-                        See also Documentation/power/pm.txt, pci=noacpi
+                        See also Documentation/power/runtime_pm.txt, pci=noacpi
 
         acpi_rsdp=      [ACPI,EFI,KEXEC]
                         Pass the RSDP address to the kernel, mostly used
@@ -304,6 +307,19 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         behaviour to be specified.  Bit 0 enables warnings,
                         bit 1 enables fixups, and bit 2 sends a segfault.
 
+        align_va_addr=  [X86-64]
+                        Align virtual addresses by clearing slice [14:12] when
+                        allocating a VMA at process creation time. This option
+                        gives you up to 3% performance improvement on AMD F15h
+                        machines (where it is enabled by default) for a
+                        CPU-intensive style benchmark, and it can vary highly in
+                        a microbenchmark depending on workload and compiler.
+
+                        1: only for 32-bit processes
+                        2: only for 64-bit processes
+                        on: enable for both 32- and 64-bit processes
+                        off: disable for both 32- and 64-bit processes
+
         amd_iommu=      [HW,X86-84]
                         Pass parameters to the AMD IOMMU driver in the system.
                         Possible values are:
@@ -317,7 +333,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
         amijoy.map=     [HW,JOY] Amiga joystick support
                         Map of devices attached to JOY0DAT and JOY1DAT
                         Format: <a>,<b>
-                        See also Documentation/kernel/input/joystick.txt
+                        See also Documentation/input/joystick.txt
 
         analog.map=     [HW,JOY] Analog joystick and gamepad support
                         Specifies type or capabilities of an analog joystick
@@ -376,7 +392,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
         atkbd.softrepeat= [HW]
                         Use software keyboard repeat
 
-        autotest        [IA64]
+        autotest        [IA-64]
 
         baycom_epp=     [HW,AX25]
                         Format: <io>,<mode>
@@ -406,7 +422,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
         bttv.radio=     Most important insmod options are available as
                         kernel args too.
         bttv.pll=       See Documentation/video4linux/bttv/Insmod-options
-        bttv.tuner=     and Documentation/video4linux/bttv/CARDLIST
+        bttv.tuner=
 
         bulk_remove=off [PPC]  This parameter disables the use of the pSeries
                         firmware feature for flushing multiple hpte entries
@@ -681,8 +697,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                 uart[8250],mmio32,<addr>[,options]
                         Start an early, polled-mode console on the 8250/16550
                         UART at the specified I/O port or MMIO address.
-                        MMIO inter-register address stride is either 8bit (mmio)
-                        or 32bit (mmio32).
+                        MMIO inter-register address stride is either 8-bit
+                        (mmio) or 32-bit (mmio32).
                         The options are the same as for ttyS, above.
 
         earlyprintk=    [X86,SH,BLACKFIN]
@@ -722,13 +738,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
         elevator=       [IOSCHED]
                         Format: {"cfq" | "deadline" | "noop"}
-                        See Documentation/block/as-iosched.txt and
+                        See Documentation/block/cfq-iosched.txt and
                         Documentation/block/deadline-iosched.txt for details.
 
-        elfcorehdr=     [IA64,PPC,SH,X86]
+        elfcorehdr=[size[KMG]@]offset[KMG] [IA64,PPC,SH,X86,S390]
                         Specifies physical address of start of kernel core
-                        image elf header. Generally kexec loader will
-                        pass this option to capture kernel.
+                        image elf header and optionally the size. Generally
+                        kexec loader will pass this option to capture kernel.
                         See Documentation/kdump/kdump.txt for details.
 
         enable_mtrr_cleanup [X86]
@@ -758,12 +774,17 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         This option is obsoleted by the "netdev=" option, which
                         has equivalent usage. See its documentation for details.
 
+        evm=            [EVM]
+                        Format: { "fix" }
+                        Permit 'security.evm' to be updated regardless of
+                        current integrity status.
+
         failslab=
         fail_page_alloc=
         fail_make_request=[KNL]
                         General fault injection mechanism.
                         Format: <interval>,<probability>,<space>,<times>
-                        See also /Documentation/fault-injection/.
+                        See also Documentation/fault-injection/.
 
         floppy=         [HW]
                         See Documentation/blockdev/floppy.txt.
@@ -791,7 +812,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         tracer at boot up. function-list is a comma separated
                         list of functions. This list can be changed at run
                         time by the set_ftrace_filter file in the debugfs
-                        tracing directory. 
+                        tracing directory.
 
         ftrace_notrace=[function-list]
                         [FTRACE] Do not trace the functions specified in
@@ -829,7 +850,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
         hashdist=       [KNL,NUMA] Large hashes allocated during boot
                         are distributed across NUMA nodes.  Defaults on
-                        for 64bit NUMA, off otherwise.
+                        for 64-bit NUMA, off otherwise.
                         Format: 0 | 1 (for off | on)
 
         hcl=            [IA-64] SGI's Hardware Graph compatibility layer
@@ -952,6 +973,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
         ignore_loglevel [KNL]
                         Ignore loglevel setting - this will print /all/
                         kernel messages to the console. Useful for debugging.
+                        We also add it as printk module parameter, so users
+                        could change it dynamically, usually by
+                        /sys/module/printk/parameters/ignore_loglevel.
 
         ihash_entries=  [KNL]
                         Set number of hash buckets for inode cache.
@@ -998,10 +1022,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         DMA.
                 forcedac [x86_64]
                         With this option iommu will not optimize to look
-                        for io virtual address below 32 bit forcing dual
+                        for io virtual address below 32-bit forcing dual
                         address cycle on pci bus for cards supporting greater
-                        than 32 bit addressing. The default is to look
-                        for translation below 32 bit and if not available
+                        than 32-bit addressing. The default is to look
+                        for translation below 32-bit and if not available
                         then look in the higher range.
                 strict [Default Off]
                         With this option on every unmap_single operation will
@@ -1012,12 +1036,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         has the capability. With this option, super page will
                         not be supported.
         intremap=       [X86-64, Intel-IOMMU]
-                        Format: { on (default) | off | nosid }
                         on      enable Interrupt Remapping (default)
                         off     disable Interrupt Remapping
                         nosid   disable Source ID checking
+                        no_x2apic_optout
+                                BIOS x2APIC opt-out request will be ignored
 
-        inttest=        [IA64]
+        inttest=        [IA-64]
 
         iomem=          Disable strict checking of access to MMIO memory
                 strict  regions from userspace.
@@ -1034,7 +1059,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                 nomerge
                 forcesac
                 soft
-                pt      [x86, IA64]
+                pt      [x86, IA-64]
 
         io7=            [HW] IO7 for Marvel based alpha systems
                         See comment before marvel_specify_io7 in
@@ -1165,7 +1190,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
         kvm-amd.npt=    [KVM,AMD] Disable nested paging (virtualized MMU)
                         for all guests.
-                        Default is 1 (enabled) if in 64bit or 32bit-PAE mode
+                        Default is 1 (enabled) if in 64-bit or 32-bit PAE mode.
 
         kvm-intel.ept=  [KVM,Intel] Disable extended page tables
                         (virtualized MMU) support on capable Intel chips.
@@ -1179,6 +1204,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         [KVM,Intel] Disable FlexPriority feature (TPR shadow).
                         Default is 1 (enabled)
 
+        kvm-intel.nested=
+                        [KVM,Intel] Enable VMX nesting (nVMX).
+                        Default is 0 (disabled)
+
         kvm-intel.unrestricted_guest=
                         [KVM,Intel] Disable unrestricted guest feature
                         (virtualized real and unpaged mode) on capable
@@ -1202,10 +1231,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         libata.dma=0      Disable all PATA and SATA DMA
                         libata.dma=1      PATA and SATA Disk DMA only
                         libata.dma=2      ATAPI (CDROM) DMA only
-                        libata.dma=4      Compact Flash DMA only 
+                        libata.dma=4      Compact Flash DMA only
                         Combinations also work, so libata.dma=3 enables DMA
                         for disks and CDROMs, but not CFs.
-        
+
         libata.ignore_hpa=      [LIBATA] Ignore HPA limit
                         libata.ignore_hpa=0       keep BIOS limits (default)
                         libata.ignore_hpa=1       ignore limits, using full disk
@@ -1331,7 +1360,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
         ltpc=           [NET]
                         Format: <io>,<irq>,<dma>
 
-        machvec=        [IA64] Force the use of a particular machine-vector
+        machvec=        [IA-64] Force the use of a particular machine-vector
                         (machvec) in a generic kernel.
                         Example: machvec=hpzx1_swiotlb
 
@@ -1348,9 +1377,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         it is equivalent to "nosmp", which also disables
                         the IO APIC.
 
-        max_loop=       [LOOP] Maximum number of loopback devices that can
-                        be mounted
-                        Format: <1-256>
+        max_loop=       [LOOP] The number of loop block devices that get
+        (loop.max_loop) unconditionally pre-created at init time. The default
+                        number is configured by BLK_DEV_LOOP_MIN_COUNT. Instead
+                        of statically allocating a predefined number, loop
+                        devices can be requested on-demand with the
+                        /dev/loop-control interface.
 
         mcatest=        [IA-64]
 
@@ -1637,6 +1669,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         debugging driver suspend/resume hooks).  This may
                         not work reliably with all consoles, but is known
                         to work with serial and VGA consoles.
+                        To facilitate more flexible debugging, we also add
+                        console_suspend, a printk module parameter to control
+                        it. Users could use console_suspend (usually
+                        /sys/module/printk/parameters/console_suspend) to
+                        turn on/off it dynamically.
 
         noaliencache    [MM, NUMA, SLAB] Disables the allocation of alien
                         caches in the slab allocator.  Saves per-node memory,
@@ -1734,7 +1771,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
         nointroute      [IA-64]
 
-        nojitter        [IA64] Disables jitter checking for ITC timers.
+        nojitter        [IA-64] Disables jitter checking for ITC timers.
 
         no-kvmclock     [X86,KVM] Disable paravirtualized KVM clock driver
 
@@ -1772,6 +1809,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
         noresidual      [PPC] Don't use residual data on PReP machines.
 
+        nordrand        [X86] Disable the direct use of the RDRAND
+                        instruction even if it is supported by the
+                        processor.  RDRAND is still available to user
+                        space applications.
+
         noresume        [SWSUSP] Disables resume and restores original swap
                         space.
 
@@ -1800,7 +1842,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
         nox2apic        [X86-64,APIC] Do not enable x2APIC mode.
 
-        nptcg=          [IA64] Override max number of concurrent global TLB
+        nptcg=          [IA-64] Override max number of concurrent global TLB
                         purges which is reported from either PAL_VM_SUMMARY or
                         SAL PALO.
 
@@ -2077,13 +2119,16 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         Format: { parport<nr> | timid | 0 }
                         See also Documentation/parport.txt.
 
-        pmtmr=          [X86] Manual setup of pmtmr I/O Port. 
+        pmtmr=          [X86] Manual setup of pmtmr I/O Port.
                         Override pmtimer IOPort with a hex value.
                         e.g. pmtmr=0x508
 
-        pnp.debug       [PNP]
-                        Enable PNP debug messages.  This depends on the
-                        CONFIG_PNP_DEBUG_MESSAGES option.
+        pnp.debug=1     [PNP]
+                        Enable PNP debug messages (depends on the
+                        CONFIG_PNP_DEBUG_MESSAGES option).  Change at run-time
+                        via /sys/module/pnp/parameters/debug.  We always show
+                        current resource usage; turning this on also shows
+                        possible settings and some assignment information.
 
         pnpacpi=        [ACPI]
                         { off }
@@ -2232,6 +2277,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         in <PAGE_SIZE> units (needed only for swap files).
                         See  Documentation/power/swsusp-and-swap-files.txt
 
+        resumedelay=    [HIBERNATION] Delay (in seconds) to pause before attempting to
+                        read the resume files
+
+        resumewait      [HIBERNATION] Wait (indefinitely) for resume device to show up.
+                        Useful for devices that are detected asynchronously
+                        (e.g. USB and MMC devices).
+
         hibernate=      [HIBERNATION]
                 noresume        Don't check if there's a hibernation image
                                 present during boot.
@@ -2367,7 +2419,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                         Format: <integer>
 
         sonypi.*=       [HW] Sony Programmable I/O Control Device driver
-                        See Documentation/sonypi.txt
+                        See Documentation/laptops/sonypi.txt
 
         specialix=      [HW,SERIAL] Specialix multi-serial port adapter
                         See Documentation/serial/specialix.txt.
@@ -2635,6 +2687,16 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                                         medium is write-protected).
                         Example: quirks=0419:aaf5:rl,0421:0433:rc
 
+        user_debug=     [KNL,ARM]
+                        Format: <int>
+                        See arch/arm/Kconfig.debug help text.
+                                 1 - undefined instruction events
+                                 2 - system calls
+                                 4 - invalid data aborts
+                                 8 - SIGSEGV faults
+                                16 - SIGBUS faults
+                        Example: user_debug=31
+
         userpte=
                         [X86] Flags controlling user PTE allocations.
 
@@ -2680,6 +2742,28 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
         vmpoff=         [KNL,S390] Perform z/VM CP command after power off.
                         Format: <command>
 
+        vsyscall=       [X86-64]
+                        Controls the behavior of vsyscalls (i.e. calls to
+                        fixed addresses of 0xffffffffff600x00 from legacy
+                        code).  Most statically-linked binaries and older
+                        versions of glibc use these calls.  Because these
+                        functions are at fixed addresses, they make nice
+                        targets for exploits that can control RIP.
+
+                        emulate     Vsyscalls turn into traps and are emulated
+                                    reasonably safely.
+
+                        native      [default] Vsyscalls are native syscall
+                                    instructions.
+                                    This is a little bit faster than trapping
+                                    and makes a few dynamic recompilers work
+                                    better than they would in emulation mode.
+                                    It also makes exploits much easier to write.
+
+                        none        Vsyscalls don't work at all.  This makes
+                                    them quite hard to use for exploits but
+                                    might break your system.
+
         vt.cur_default= [VT] Default cursor shape.
                         Format: 0xCCBBAA, where AA, BB, and CC are the same as
                         the parameters of the <Esc>[?A;B;Cc escape sequence;