20 files changed, 109 insertions, 51 deletions

diff --git a/Documentation/00-INDEX b/Documentation/00-INDEX
index 5b5aba404aac..73060819ed99 100644
--- a/Documentation/00-INDEX
+++ b/Documentation/00-INDEX
@@ -251,8 +251,6 @@ mono.txt
         - how to execute Mono-based .NET binaries with the help of BINFMT_MISC.
 moxa-smartio
         - file with info on installing/using Moxa multiport serial driver.
-mtrr.txt
-        - how to use PPro Memory Type Range Registers to increase performance.
 mutex-design.txt
         - info on the generic mutex subsystem.
 namespaces/
diff --git a/Documentation/DMA-mapping.txt b/Documentation/DMA-mapping.txt
index b463ecd0c7ce..c74fec8c2351 100644
--- a/Documentation/DMA-mapping.txt
+++ b/Documentation/DMA-mapping.txt
@@ -740,7 +740,7 @@ failure can be determined by:
         dma_addr_t dma_handle;
 
         dma_handle = pci_map_single(pdev, addr, size, direction);
-        if (pci_dma_mapping_error(dma_handle)) {
+        if (pci_dma_mapping_error(pdev, dma_handle)) {
                 /*
                  * reduce current DMA mapping usage,
                  * delay and try again later or
diff --git a/Documentation/HOWTO b/Documentation/HOWTO
index c2371c5a98f9..48a3955f05fc 100644
--- a/Documentation/HOWTO
+++ b/Documentation/HOWTO
@@ -77,7 +77,8 @@ documentation files are also added which explain how to use the feature.
 When a kernel change causes the interface that the kernel exposes to
 userspace to change, it is recommended that you send the information or
 a patch to the manual pages explaining the change to the manual pages
-maintainer at mtk.manpages@gmail.com.
+maintainer at mtk.manpages@gmail.com, and CC the list
+linux-api@vger.kernel.org.
 
 Here is a list of files that are in the kernel source tree that are
 required reading:
diff --git a/Documentation/SubmitChecklist b/Documentation/SubmitChecklist
index da10e0714241..21f0795af20f 100644
--- a/Documentation/SubmitChecklist
+++ b/Documentation/SubmitChecklist
@@ -67,6 +67,8 @@ kernel patches.
 
 19: All new userspace interfaces are documented in Documentation/ABI/.
     See Documentation/ABI/README for more information.
+    Patches that change userspace interfaces should be CCed to
+    linux-api@vger.kernel.org.
 
 20: Check that it all passes `make headers_check'.
 
diff --git a/Documentation/cpu-freq/index.txt b/Documentation/cpu-freq/index.txt
index ffdb5323df37..3d0b915035b9 100644
--- a/Documentation/cpu-freq/index.txt
+++ b/Documentation/cpu-freq/index.txt
@@ -35,11 +35,9 @@ Mailing List
 ------------
 There is a CPU frequency changing CVS commit and general list where
 you can report bugs, problems or submit patches. To post a message,
-send an email to cpufreq@lists.linux.org.uk, to subscribe go to
-http://lists.linux.org.uk/mailman/listinfo/cpufreq. Previous post to the
-mailing list are available to subscribers at
-http://lists.linux.org.uk/mailman/private/cpufreq/.
-
+send an email to cpufreq@vger.kernel.org, to subscribe go to
+http://vger.kernel.org/vger-lists.html#cpufreq and follow the
+instructions there.
 
 Links
 -----
@@ -50,7 +48,7 @@ how to access the CVS repository:
 * http://cvs.arm.linux.org.uk/
 
 the CPUFreq Mailing list:
-* http://lists.linux.org.uk/mailman/listinfo/cpufreq
+* http://vger.kernel.org/vger-lists.html#cpufreq
 
 Clock and voltage scaling for the SA-1100:
 * http://www.lartmaker.nl/projects/scaling
diff --git a/Documentation/hwmon/adt7473 b/Documentation/hwmon/adt7473
index 2126de34c711..1cbf671822e2 100644
--- a/Documentation/hwmon/adt7473
+++ b/Documentation/hwmon/adt7473
@@ -14,14 +14,14 @@ Description
 
 This driver implements support for the Analog Devices ADT7473 chip family.
 
-The LM85 uses the 2-wire interface compatible with the SMBUS 2.0
+The ADT7473 uses the 2-wire interface compatible with the SMBUS 2.0
 specification. Using an analog to digital converter it measures three (3)
-temperatures and two (2) voltages. It has three (3) 16-bit counters for
+temperatures and two (2) voltages. It has four (4) 16-bit counters for
 measuring fan speed. There are three (3) PWM outputs that can be used
 to control fan speed.
 
 A sophisticated control system for the PWM outputs is designed into the
-LM85 that allows fan speed to be adjusted automatically based on any of the
+ADT7473 that allows fan speed to be adjusted automatically based on any of the
 three temperature sensors. Each PWM output is individually adjustable and
 programmable. Once configured, the ADT7473 will adjust the PWM outputs in
 response to the measured temperatures without further host intervention.
@@ -46,14 +46,6 @@ from the raw value to get the temperature value.
 The Analog Devices datasheet is very detailed and describes a procedure for
 determining an optimal configuration for the automatic PWM control.
 
-Hardware Configurations
------------------------
-
-The ADT7473 chips have an optional SMBALERT output that can be used to
-signal the chipset in case a limit is exceeded or the temperature sensors
-fail. Individual sensor interrupts can be masked so they won't trigger
-SMBALERT. The SMBALERT output if configured replaces the PWM2 function.
-
 Configuration Notes
 -------------------
 
@@ -61,8 +53,8 @@ Besides standard interfaces driver adds the following:
 
 * PWM Control
 
-* pwm#_auto_point1_pwm and pwm#_auto_point1_temp and
-* pwm#_auto_point2_pwm and pwm#_auto_point2_temp -
+* pwm#_auto_point1_pwm and temp#_auto_point1_temp and
+* pwm#_auto_point2_pwm and temp#_auto_point2_temp -
 
 point1: Set the pwm speed at a lower temperature bound.
 point2: Set the pwm speed at a higher temperature bound.
diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface
index 2d845730d4e0..6dbfd5efd991 100644
--- a/Documentation/hwmon/sysfs-interface
+++ b/Documentation/hwmon/sysfs-interface
@@ -329,6 +329,10 @@ power[1-*]_average		Average power use
                                 Unit: microWatt
                                 RO
 
+power[1-*]_average_interval     Power use averaging interval
+                                Unit: milliseconds
+                                RW
+
 power[1-*]_average_highest      Historical average maximum power use
                                 Unit: microWatt
                                 RO
@@ -354,6 +358,14 @@ power[1-*]_reset_history	Reset input_highest, input_lowest,
                                 WO
 
 **********
+* Energy *
+**********
+
+energy[1-*]_input               Cumulative energy use
+                                Unit: microJoule
+                                RO
+
+**********
 * Alarms *
 **********
 
diff --git a/Documentation/ioctl/cdrom.txt b/Documentation/ioctl/cdrom.txt
index 62d4af44ec4a..59df81c8da2b 100644
--- a/Documentation/ioctl/cdrom.txt
+++ b/Documentation/ioctl/cdrom.txt
@@ -271,14 +271,14 @@ CDROMCLOSETRAY			pendant of CDROMEJECT
 
         usage:
 
-          ioctl(fd, CDROMEJECT, 0);
+          ioctl(fd, CDROMCLOSETRAY, 0);
 
         inputs:         none
 
         outputs:        none
 
         error returns:
-          ENOSYS        cd drive not capable of ejecting
+          ENOSYS        cd drive not capable of closing the tray
           EBUSY         other processes are accessing drive, or door is locked
 
         notes:
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 1150444a21ab..a2701cb6b37a 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -284,6 +284,11 @@ and is between 256 and 4096 characters. It is defined in the file
                         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:
@@ -463,12 +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
@@ -1882,6 +1881,12 @@ 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.
 
diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt
index 276a7e637822..e1ff0d920a5c 100644
--- a/Documentation/sysctl/kernel.txt
+++ b/Documentation/sysctl/kernel.txt
@@ -351,9 +351,10 @@ kernel.  This value defaults to SHMMAX.
 
 softlockup_thresh:
 
-This value can be used to lower the softlockup tolerance
-threshold. The default threshold is 10s.  If a cpu is locked up
-for 10s, the kernel complains.  Valid values are 1-60s.
+This value can be used to lower the softlockup tolerance threshold.  The
+default threshold is 60 seconds.  If a cpu is locked up for 60 seconds,
+the kernel complains.  Valid values are 1-60 seconds.  Setting this
+tunable to zero will disable the softlockup detection altogether.
 
 ==============================================================
 
diff --git a/Documentation/usb/anchors.txt b/Documentation/usb/anchors.txt
index 7304bcf5a306..5e6b64c20d25 100644
--- a/Documentation/usb/anchors.txt
+++ b/Documentation/usb/anchors.txt
@@ -42,9 +42,21 @@ This function kills all URBs associated with an anchor. The URBs
 are called in the reverse temporal order they were submitted.
 This way no data can be reordered.
 
+usb_unlink_anchored_urbs()
+--------------------------
+
+This function unlinks all URBs associated with an anchor. The URBs
+are processed in the reverse temporal order they were submitted.
+This is similar to usb_kill_anchored_urbs(), but it will not sleep.
+Therefore no guarantee is made that the URBs have been unlinked when
+the call returns. They may be unlinked later but will be unlinked in
+finite time.
+
 usb_wait_anchor_empty_timeout()
 -------------------------------
 
 This function waits for all URBs associated with an anchor to finish
 or a timeout, whichever comes first. Its return value will tell you
 whether the timeout was reached.
+
+
diff --git a/Documentation/video4linux/CARDLIST.em28xx b/Documentation/video4linux/CARDLIST.em28xx
index 89c7f32abf9f..53449cb99b17 100644
--- a/Documentation/video4linux/CARDLIST.em28xx
+++ b/Documentation/video4linux/CARDLIST.em28xx
@@ -46,7 +46,7 @@
  45 -> Pinnacle PCTV DVB-T                      (em2870)
  46 -> Compro, VideoMate U3                     (em2870)        [185b:2870]
  47 -> KWorld DVB-T 305U                        (em2880)        [eb1a:e305]
- 48 -> KWorld DVB-T 310U                        (em2880)
+ 48 -> KWorld DVB-T 310U                        (em2880)        [eb1a:e310]
  49 -> MSI DigiVox A/D                          (em2880)        [eb1a:e310]
  50 -> MSI DigiVox A/D II                       (em2880)        [eb1a:e320]
  51 -> Terratec Hybrid XS Secam                 (em2880)        [0ccd:004c]
diff --git a/Documentation/video4linux/gspca.txt b/Documentation/video4linux/gspca.txt
index 0f03900c48fb..9a3e4d797fa8 100644
--- a/Documentation/video4linux/gspca.txt
+++ b/Documentation/video4linux/gspca.txt
@@ -190,6 +190,7 @@ pac7311		093a:260f	SnakeCam
 pac7311         093a:2621       PAC731x
 pac7311         093a:2624       PAC7302
 pac7311         093a:2626       Labtec 2200
+pac7311         093a:262a       Webcam 300k
 zc3xx           0ac8:0302       Z-star Vimicro zc0302
 vc032x          0ac8:0321       Vimicro generic vc0321
 vc032x          0ac8:0323       Vimicro Vc0323
diff --git a/Documentation/x86/00-INDEX b/Documentation/x86/00-INDEX
new file mode 100644
index 000000000000..dbe3377754af
--- /dev/null
+++ b/Documentation/x86/00-INDEX
@@ -0,0 +1,4 @@
+00-INDEX
+        - this file
+mtrr.txt
+        - how to use x86 Memory Type Range Registers to increase performance
diff --git a/Documentation/x86/i386/boot.txt b/Documentation/x86/boot.txt
index 147bfe511cdd..83c0033ee9e0 100644
--- a/Documentation/x86/i386/boot.txt
+++ b/Documentation/x86/boot.txt
@@ -308,7 +308,7 @@ Protocol:	2.00+
 
 Field name:     start_sys
 Type:           read
-Offset/size:    0x20c/4
+Offset/size:    0x20c/2
 Protocol:       2.00+
 
   The load low segment (0x1000).  Obsolete.
diff --git a/Documentation/mtrr.txt b/Documentation/x86/mtrr.txt
index c39ac395970e..cc071dc333c2 100644
--- a/Documentation/mtrr.txt
+++ b/Documentation/x86/mtrr.txt
@@ -18,7 +18,7 @@ Richard Gooch
   The AMD K6-2 (stepping 8 and above) and K6-3 processors have two
   MTRRs. These are supported.  The AMD Athlon family provide 8 Intel
   style MTRRs.
-  
+
   The Centaur C6 (WinChip) has 8 MCRs, allowing write-combining. These
   are supported.
 
@@ -87,7 +87,7 @@ reg00: base=0x00000000 (   0MB), size=  64MB: write-back, count=1
 reg01: base=0xfb000000 (4016MB), size=  16MB: write-combining, count=1
 reg02: base=0xfb000000 (4016MB), size=   4kB: uncachable, count=1
 
-Some cards (especially Voodoo Graphics boards) need this 4 kB area 
+Some cards (especially Voodoo Graphics boards) need this 4 kB area
 excluded from the beginning of the region because it is used for
 registers.
 
diff --git a/Documentation/x86/pat.txt b/Documentation/x86/pat.txt
index 17965f927c15..c93ff5f4c0dd 100644
--- a/Documentation/x86/pat.txt
+++ b/Documentation/x86/pat.txt
@@ -14,6 +14,10 @@ PAT allows for different types of memory attributes. The most commonly used
 ones that will be supported at this time are Write-back, Uncached,
 Write-combined and Uncached Minus.
 
+
+PAT APIs
+--------
+
 There are many different APIs in the kernel that allows setting of memory
 attributes at the page level. In order to avoid aliasing, these interfaces
 should be used thoughtfully. Below is a table of interfaces available,
@@ -26,38 +30,38 @@ address range to avoid any aliasing.
 API                    |    RAM   |  ACPI,...  |  Reserved/Holes  |
 -----------------------|----------|------------|------------------|
                        |          |            |                  |
-ioremap                |    --    |    UC      |       UC         |
+ioremap                |    --    |    UC-     |       UC-        |
                        |          |            |                  |
 ioremap_cache          |    --    |    WB      |       WB         |
                        |          |            |                  |
-ioremap_nocache        |    --    |    UC      |       UC         |
+ioremap_nocache        |    --    |    UC-     |       UC-        |
                        |          |            |                  |
 ioremap_wc             |    --    |    --      |       WC         |
                        |          |            |                  |
-set_memory_uc          |    UC    |    --      |       --         |
+set_memory_uc          |    UC-   |    --      |       --         |
  set_memory_wb         |          |            |                  |
                        |          |            |                  |
 set_memory_wc          |    WC    |    --      |       --         |
  set_memory_wb         |          |            |                  |
                        |          |            |                  |
-pci sysfs resource     |    --    |    --      |       UC         |
+pci sysfs resource     |    --    |    --      |       UC-        |
                        |          |            |                  |
 pci sysfs resource_wc  |    --    |    --      |       WC         |
  is IORESOURCE_PREFETCH|          |            |                  |
                        |          |            |                  |
-pci proc               |    --    |    --      |       UC         |
+pci proc               |    --    |    --      |       UC-        |
  !PCIIOC_WRITE_COMBINE |          |            |                  |
                        |          |            |                  |
 pci proc               |    --    |    --      |       WC         |
  PCIIOC_WRITE_COMBINE  |          |            |                  |
                        |          |            |                  |
-/dev/mem               |    --    |    UC      |       UC         |
+/dev/mem               |    --    |  WB/WC/UC- |    WB/WC/UC-     |
  read-write            |          |            |                  |
                        |          |            |                  |
-/dev/mem               |    --    |    UC      |       UC         |
+/dev/mem               |    --    |    UC-     |       UC-        |
  mmap SYNC flag        |          |            |                  |
                        |          |            |                  |
-/dev/mem               |    --    |  WB/WC/UC  |    WB/WC/UC      |
+/dev/mem               |    --    |  WB/WC/UC- |    WB/WC/UC-     |
  mmap !SYNC flag       |          |(from exist-|  (from exist-    |
  and                   |          |  ing alias)|    ing alias)    |
  any alias to this area|          |            |                  |
@@ -68,7 +72,7 @@ pci proc               |    --    |    --      |       WC         |
  and                   |          |            |                  |
  MTRR says WB          |          |            |                  |
                        |          |            |                  |
-/dev/mem               |    --    |    --      |    UC_MINUS      |
+/dev/mem               |    --    |    --      |       UC-        |
  mmap !SYNC flag       |          |            |                  |
  no alias to this area |          |            |                  |
  and                   |          |            |                  |
@@ -98,3 +102,35 @@ types.
 
 Drivers should use set_memory_[uc|wc] to set access type for RAM ranges.
 
+
+PAT debugging
+-------------
+
+With CONFIG_DEBUG_FS enabled, PAT memtype list can be examined by
+
+# mount -t debugfs debugfs /sys/kernel/debug
+# cat /sys/kernel/debug/x86/pat_memtype_list
+PAT memtype list:
+uncached-minus @ 0x7fadf000-0x7fae0000
+uncached-minus @ 0x7fb19000-0x7fb1a000
+uncached-minus @ 0x7fb1a000-0x7fb1b000
+uncached-minus @ 0x7fb1b000-0x7fb1c000
+uncached-minus @ 0x7fb1c000-0x7fb1d000
+uncached-minus @ 0x7fb1d000-0x7fb1e000
+uncached-minus @ 0x7fb1e000-0x7fb25000
+uncached-minus @ 0x7fb25000-0x7fb26000
+uncached-minus @ 0x7fb26000-0x7fb27000
+uncached-minus @ 0x7fb27000-0x7fb28000
+uncached-minus @ 0x7fb28000-0x7fb2e000
+uncached-minus @ 0x7fb2e000-0x7fb2f000
+uncached-minus @ 0x7fb2f000-0x7fb30000
+uncached-minus @ 0x7fb31000-0x7fb32000
+uncached-minus @ 0x80000000-0x90000000
+
+This list shows physical address ranges and various PAT settings used to
+access those physical address ranges.
+
+Another, more verbose way of getting PAT related debug messages is with
+"debugpat" boot parameter. With this parameter, various debug messages are
+printed to dmesg log.
+
diff --git a/Documentation/x86/i386/usb-legacy-support.txt b/Documentation/x86/usb-legacy-support.txt
index 1894cdfc69d9..1894cdfc69d9 100644
--- a/Documentation/x86/i386/usb-legacy-support.txt
+++ b/Documentation/x86/usb-legacy-support.txt
diff --git a/Documentation/x86/x86_64/boot-options.txt b/Documentation/x86/x86_64/boot-options.txt
index b0c7b6c4abda..72ffb5373ec7 100644
--- a/Documentation/x86/x86_64/boot-options.txt
+++ b/Documentation/x86/x86_64/boot-options.txt
@@ -54,10 +54,6 @@ APICs
                  apicmaintimer. Useful when your PIT timer is totally
                  broken.
 
-   disable_8254_timer / enable_8254_timer
-                 Enable interrupt 0 timer routing over the 8254 in addition to over
-                 the IO-APIC. The kernel tries to set a sensible default.
-
 Early Console
 
    syntax: earlyprintk=vga
diff --git a/Documentation/x86/i386/zero-page.txt b/Documentation/x86/zero-page.txt
index 169ad423a3d1..169ad423a3d1 100644
--- a/Documentation/x86/i386/zero-page.txt
+++ b/Documentation/x86/zero-page.txt