Merge branch 'linus' into release

1 files changed, 122 insertions, 10 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index f3a89fac2202..fcc48bf722a8 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -89,7 +89,9 @@ parameter is applicable:
         SPARC   Sparc architecture is enabled.
         SWSUSP  Software suspend (hibernation) is enabled.
         SUSPEND System suspend states are enabled.
+        FTRACE  Function tracing enabled.
         TS      Appropriate touchscreen support is enabled.
+        UMS     USB Mass Storage support is enabled.
         USB     USB support is enabled.
         USBHID  USB Human Interface Device support is enabled.
         V4L     Video For Linux support is enabled.
@@ -473,8 +475,8 @@ and is between 256 and 4096 characters. It is defined in the file
 
         clearcpuid=BITNUM [X86]
                         Disable CPUID feature X for the kernel. See
-                        include/asm-x86/cpufeature.h for the valid bit numbers.
-                        Note the Linux specific bits are not necessarily
+                        arch/x86/include/asm/cpufeature.h for the valid bit
+                        numbers. Note the Linux specific bits are not necessarily
                         stable over kernel options, but the vendor specific
                         ones should be.
                         Also note that user programs calling CPUID directly
@@ -555,6 +557,11 @@ and is between 256 and 4096 characters. It is defined in the file
                         not work reliably with all consoles, but is known
                         to work with serial and VGA consoles.
 
+        coredump_filter=
+                        [KNL] Change the default value for
+                        /proc/<pid>/coredump_filter.
+                        See also Documentation/filesystems/proc.txt.
+
         cpcihp_generic= [HW,PCI] Generic port I/O CompactPCI driver
                         Format:
                         <first_slot>,<last_slot>,<port>,<enum_bit>[,<debug>]
@@ -758,6 +765,14 @@ and is between 256 and 4096 characters. It is defined in the file
                         parameter will force ia64_sal_cache_flush to call
                         ia64_pal_cache_flush instead of SAL_CACHE_FLUSH.
 
+        ftrace=[tracer]
+                        [ftrace] will set and start the specified tracer
+                        as early as possible in order to facilitate early
+                        boot debugging.
+
+        ftrace_dump_on_oops
+                        [ftrace] will dump the trace buffers on oops.
+
         gamecon.map[2|3]=
                         [HW,JOY] Multisystem joystick and NES/SNES/PSX pad
                         support via parallel port (up to 5 devices per port)
@@ -819,6 +834,9 @@ and is between 256 and 4096 characters. It is defined in the file
 
         hlt             [BUGS=ARM,SH]
 
+        hvc_iucv=       [S390] Number of z/VM IUCV Hypervisor console (HVC)
+                               back-ends. Valid parameters: 0..8
+
         i8042.debug     [HW] Toggle i8042 debug mode
         i8042.direct    [HW] Put keyboard port into non-translated mode
         i8042.dumbkbd   [HW] Pretend that controller can only read data from
@@ -908,6 +926,10 @@ and is between 256 and 4096 characters. It is defined in the file
 
         inttest=        [IA64]
 
+        iomem=          Disable strict checking of access to MMIO memory
+                strict  regions from userspace.
+                relaxed
+
         iommu=          [x86]
                 off
                 force
@@ -1112,6 +1134,8 @@ and is between 256 and 4096 characters. It is defined in the file
                         If there are multiple matching configurations changing
                         the same attribute, the last one is used.
 
+        lmb=debug       [KNL] Enable lmb debug messages.
+
         load_ramdisk=   [RAM] List of ramdisks to load from floppy
                         See Documentation/blockdev/ramdisk.txt.
 
@@ -1403,7 +1427,20 @@ and is between 256 and 4096 characters. It is defined in the file
                         when a NMI is triggered.
                         Format: [state][,regs][,debounce][,die]
 
-        nmi_watchdog=   [KNL,BUGS=X86-32] Debugging features for SMP kernels
+        nmi_watchdog=   [KNL,BUGS=X86-32,X86-64] Debugging features for SMP kernels
+                        Format: [panic,][num]
+                        Valid num: 0,1,2
+                        0 - turn nmi_watchdog off
+                        1 - use the IO-APIC timer for the NMI watchdog
+                        2 - use the local APIC for the NMI watchdog using
+                        a performance counter. Note: This will use one performance
+                        counter and the local APIC's performance vector.
+                        When panic is specified panic when an NMI watchdog timeout occurs.
+                        This is useful when you use a panic=... timeout and need the box
+                        quickly up again.
+                        Instead of 1 and 2 it is possible to use the following
+                        symbolic names: lapic and ioapic
+                        Example: nmi_watchdog=2 or nmi_watchdog=panic,lapic
 
         no387           [BUGS=X86-32] Tells the kernel to use the 387 maths
                         emulation library even if a 387 maths coprocessor
@@ -1459,6 +1496,10 @@ and is between 256 and 4096 characters. It is defined in the file
                         instruction doesn't work correctly and not to
                         use it.
 
+        no_file_caps    Tells the kernel not to honor file capabilities.  The
+                        only way then for a file to be executed with privilege
+                        is to be setuid root or executed by root.
+
         nohalt          [IA-64] Tells the kernel not to use the power saving
                         function PAL_HALT_LIGHT when idle. This increases
                         power-consumption. On the positive side, it reduces
@@ -1528,6 +1569,9 @@ and is between 256 and 4096 characters. It is defined in the file
 
         nosoftlockup    [KNL] Disable the soft-lockup detector.
 
+        noswapaccount   [KNL] Disable accounting of swap in memory resource
+                        controller. (See Documentation/controllers/memory.txt)
+
         nosync          [HW,M68K] Disables sync negotiation for all devices.
 
         notsc           [BUGS=X86-32] Disable Time Stamp Counter
@@ -1547,6 +1591,10 @@ and is between 256 and 4096 characters. It is defined in the file
 
         nr_uarts=       [SERIAL] maximum number of UARTs to be registered.
 
+        ohci1394_dma=early      [HW] enable debugging via the ohci1394 driver.
+                        See Documentation/debugging-via-ohci1394.txt for more
+                        info.
+
         olpc_ec_timeout= [OLPC] ms delay when issuing EC commands
                         Rather than timing out after 20 ms if an EC
                         command is not properly ACKed, override the length
@@ -1636,6 +1684,17 @@ and is between 256 and 4096 characters. It is defined in the file
                 nomsi           [MSI] If the PCI_MSI kernel config parameter is
                                 enabled, this kernel boot option can be used to
                                 disable the use of MSI interrupts system-wide.
+                noioapicquirk   [APIC] Disable all boot interrupt quirks.
+                                Safety option to keep boot IRQs enabled. This
+                                should never be necessary.
+                ioapicreroute   [APIC] Enable rerouting of boot IRQs to the
+                                primary IO-APIC for bridges that cannot disable
+                                boot IRQs. This fixes a source of spurious IRQs
+                                when the system masks IRQs.
+                noioapicreroute [APIC] Disable workaround that uses the
+                                boot IRQ equivalent of an IRQ that connects to
+                                a chipset where boot IRQs cannot be disabled.
+                                The opposite of ioapicreroute.
                 biosirq         [X86-32] Use PCI BIOS calls to get the interrupt
                                 routing table. These calls are known to be buggy
                                 on several machines and they hang the machine
@@ -1760,10 +1819,10 @@ and is between 256 and 4096 characters. It is defined in the file
                         autoconfiguration.
                         Ranges are in pairs (memory base and size).
 
-        dynamic_printk
-                        Enables pr_debug()/dev_dbg() calls if
-                        CONFIG_DYNAMIC_PRINTK_DEBUG has been enabled. These can also
-                        be switched on/off via <debugfs>/dynamic_printk/modules
+        dynamic_printk  Enables pr_debug()/dev_dbg() calls if
+                        CONFIG_DYNAMIC_PRINTK_DEBUG has been enabled.
+                        These can also be switched on/off via
+                        <debugfs>/dynamic_printk/modules
 
         print-fatal-signals=
                         [KNL] debug: print fatal signals
@@ -1851,7 +1910,7 @@ and is between 256 and 4096 characters. It is defined in the file
 
         reboot=         [BUGS=X86-32,BUGS=ARM,BUGS=IA-64] Rebooting mode
                         Format: <reboot_mode>[,<reboot_mode2>[,...]]
-                        See arch/*/kernel/reboot.c or arch/*/kernel/process.c                   
+                        See arch/*/kernel/reboot.c or arch/*/kernel/process.c
 
         relax_domain_level=
                         [KNL, SMP] Set scheduler's default relax_domain_level.
@@ -2175,6 +2234,9 @@ and is between 256 and 4096 characters. It is defined in the file
         st=             [HW,SCSI] SCSI tape parameters (buffers, etc.)
                         See Documentation/scsi/st.txt.
 
+        stacktrace      [FTRACE]
+                        Enabled the stack tracer on boot up.
+
         sti=            [PARISC,HW]
                         Format: <num>
                         Set the STI (builtin display/keyboard on the HP-PARISC
@@ -2260,12 +2322,27 @@ and is between 256 and 4096 characters. It is defined in the file
                         See comment before function dc390_setup() in
                         drivers/scsi/tmscsim.c.
 
+        topology=       [S390]
+                        Format: {off | on}
+                        Specify if the kernel should make use of the cpu
+                        topology informations if the hardware supports these.
+                        The scheduler will make use of these informations and
+                        e.g. base its process migration decisions on it.
+                        Default is off.
+
         tp720=          [HW,PS2]
 
         trix=           [HW,OSS] MediaTrix AudioTrix Pro
                         Format:
                         <io>,<irq>,<dma>,<dma2>,<sb_io>,<sb_irq>,<sb_dma>,<mpu_io>,<mpu_irq>
 
+        tsc=            Disable clocksource-must-verify flag for TSC.
+                        Format: <string>
+                        [x86] reliable: mark tsc clocksource as reliable, this
+                        disables clocksource verification at runtime.
+                        Used to enable high-resolution timer mode on older
+                        hardware, and in virtualized environment.
+
         turbografx.map[2|3]=    [HW,JOY]
                         TurboGraFX parallel port interface
                         Format:
@@ -2322,6 +2399,41 @@ 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.
 
+        usb-storage.delay_use=
+                        [UMS] The delay in seconds before a new device is
+                        scanned for Logical Units (default 5).
+
+        usb-storage.quirks=
+                        [UMS] A list of quirks entries to supplement or
+                        override the built-in unusual_devs list.  List
+                        entries are separated by commas.  Each entry has
+                        the form VID:PID:Flags where VID and PID are Vendor
+                        and Product ID values (4-digit hex numbers) and
+                        Flags is a set of characters, each corresponding
+                        to a common usb-storage quirk flag as follows:
+                                a = SANE_SENSE (collect more than 18 bytes
+                                        of sense data);
+                                c = FIX_CAPACITY (decrease the reported
+                                        device capacity by one sector);
+                                h = CAPACITY_HEURISTICS (decrease the
+                                        reported device capacity by one
+                                        sector if the number is odd);
+                                i = IGNORE_DEVICE (don't bind to this
+                                        device);
+                                l = NOT_LOCKABLE (don't try to lock and
+                                        unlock ejectable media);
+                                m = MAX_SECTORS_64 (don't transfer more
+                                        than 64 sectors = 32 KB at a time);
+                                o = CAPACITY_OK (accept the capacity
+                                        reported by the device);
+                                r = IGNORE_RESIDUE (the device reports
+                                        bogus residue values);
+                                s = SINGLE_LUN (the device has only one
+                                        Logical Unit);
+                                w = NO_WP_DETECT (don't test whether the
+                                        medium is write-protected).
+                        Example: quirks=0419:aaf5:rl,0421:0433:rc
+
         add_efi_memmap  [EFI; x86-32,X86-64] Include EFI memory map in
                         kernel's map of available physical RAM.
 
@@ -2382,8 +2494,8 @@ and is between 256 and 4096 characters. It is defined in the file
                         Format:
                         <irq>,<irq_mask>,<io>,<full_duplex>,<do_sound>,<lockup_hack>[,<irq2>[,<irq3>[,<irq4>]]]
 
-        norandmaps      Don't use address space randomization
-                        Equivalent to echo 0 > /proc/sys/kernel/randomize_va_space
+        norandmaps      Don't use address space randomization.  Equivalent to
+                        echo 0 > /proc/sys/kernel/randomize_va_space
 
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