Merge commit 'linus/master' into HEAD

Conflicts:
	MAINTAINERS

Signed-off-by: Vegard Nossum <[email protected]>

.gitignore

@@ -3,7 +3,7 @@
 # subdirectories here. Add them in the ".gitignore" file
 # in that subdirectory instead.
 #
-# NOTE! Please use 'git-ls-files -i --exclude-standard'
+# NOTE! Please use 'git ls-files -i --exclude-standard'
 # command after changing this file, to see if there are
 # any tracked files which get ignored after the change.
 #
@@ -25,6 +25,8 @@
 *.elf
 *.bin
 *.gz
+*.lzma
+*.patch
 
 #
 # Top-level generic files
@@ -62,6 +64,12 @@ series
 cscope.*
 ncscope.*
 
+# gnu global files
+GPATH
+GRTAGS
+GSYMS
+GTAGS
+
 *.orig
 *~
 \#*#

Documentation/Changes

@@ -29,7 +29,7 @@ hardware, for example, you probably needn't concern yourself with
 isdn4k-utils.
 
 o  Gnu C                  3.2                     # gcc --version
-o  Gnu make               3.79.1                  # make --version
+o  Gnu make               3.80                    # make --version
 o  binutils               2.12                    # ld -v
 o  util-linux             2.10o                   # fdformat --version
 o  module-init-tools      0.9.10                  # depmod -V
@@ -48,6 +48,7 @@ o  procps                 3.2.0                   # ps --version
 o  oprofile               0.9                     # oprofiled --version
 o  udev                   081                     # udevinfo -V
 o  grub                   0.93                    # grub --version
+o  mcelog		  0.6
 
 Kernel compilation
 ==================
@@ -61,7 +62,7 @@ computer.
 Make
 ----
 
-You will need Gnu make 3.79.1 or later to build the kernel.
+You will need Gnu make 3.80 or later to build the kernel.
 
 Binutils
 --------
@@ -276,6 +277,16 @@ before running exportfs or mountd.  It is recommended that all NFS
 services be protected from the internet-at-large by a firewall where
 that is possible.
 
+mcelog
+------
+
+In Linux 2.6.31+ the i386 kernel needs to run the mcelog utility
+as a regular cronjob similar to the x86-64 kernel to process and log
+machine check events when CONFIG_X86_NEW_MCE is enabled. Machine check
+events are errors reported by the CPU. Processing them is strongly encouraged.
+All x86-64 kernels since 2.6.4 require the mcelog utility to
+process machine checks.
+
 Getting updated software
 ========================
 
@@ -365,6 +376,10 @@ FUSE
 ----
 o <http://sourceforge.net/projects/fuse>
 
+mcelog
+------
+o <ftp://ftp.kernel.org/pub/linux/utils/cpu/mce/mcelog/>
+
 Networking
 **********
 

Documentation/CodingStyle

@@ -698,8 +698,8 @@ very often is not. Abundant use of the inline keyword leads to a much bigger
 kernel, which in turn slows the system as a whole down, due to a bigger
 icache footprint for the CPU and simply because there is less memory
 available for the pagecache. Just think about it; a pagecache miss causes a
-disk seek, which easily takes 5 miliseconds. There are a LOT of cpu cycles
-that can go into these 5 miliseconds.
+disk seek, which easily takes 5 milliseconds. There are a LOT of cpu cycles
+that can go into these 5 milliseconds.
 
 A reasonable rule of thumb is to not put inline at functions that have more
 than 3 lines of code in them. An exception to this rule are the cases where

Documentation/DMA-API.txt

@@ -676,8 +676,8 @@ this directory the following files can currently be found:
 	dma-api/all_errors	This file contains a numeric value. If this
 				value is not equal to zero the debugging code
 				will print a warning for every error it finds
-				into the kernel log. Be carefull with this
-				option. It can easily flood your logs.
+				into the kernel log. Be careful with this
+				option, as it can easily flood your logs.
 
 	dma-api/disabled	This read-only file contains the character 'Y'
 				if the debugging code is disabled. This can

Documentation/RCU/rculist_nulls.txt

@@ -118,7 +118,7 @@ to another chain) checking the final 'nulls' value if
 the lookup met the end of chain. If final 'nulls' value
 is not the slot number, then we must restart the lookup at
 the beginning. If the object was moved to the same chain,
-then the reader doesnt care : It might eventually
+then the reader doesn't care : It might eventually
 scan the list again without harm.
 
 

Documentation/SM501.txt

@@ -5,7 +5,7 @@ Copyright 2006, 2007 Simtec Electronics
 
 The Silicon Motion SM501 multimedia companion chip is a multifunction device
 which may provide numerous interfaces including USB host controller USB gadget,
-Asyncronous Serial ports, Audio functions and a dual display video interface.
+asynchronous serial ports, audio functions, and a dual display video interface.
 The device may be connected by PCI or local bus with varying functions enabled.
 
 Core

Documentation/SubmittingPatches

@@ -91,6 +91,10 @@ Be as specific as possible.  The WORST descriptions possible include
 things like "update driver X", "bug fix for driver X", or "this patch
 includes updates for subsystem X.  Please apply."
 
+The maintainer will thank you if you write your patch description in a
+form which can be easily pulled into Linux's source code management
+system, git, as a "commit log".  See #15, below.
+
 If your description starts to get long, that's a sign that you probably
 need to split up your patch.  See #3, next.
 
@@ -183,8 +187,9 @@ Even if the maintainer did not respond in step #4, make sure to ALWAYS
 copy the maintainer when you change their code.
 
 For small patches you may want to CC the Trivial Patch Monkey
-[email protected] managed by Jesper Juhl; which collects "trivial"
-patches. Trivial patches must qualify for one of the following rules:
+[email protected] which collects "trivial" patches. Have a look
+into the MAINTAINERS file for its current manager.
+Trivial patches must qualify for one of the following rules:
  Spelling fixes in documentation
  Spelling fixes which could break grep(1)
  Warning fixes (cluttering with useless warnings is bad)
@@ -196,7 +201,6 @@ patches. Trivial patches must qualify for one of the following rules:
  since people copy, as long as it's trivial)
  Any fix by the author/maintainer of the file (ie. patch monkey
  in re-transmission mode)
-URL: <http://www.kernel.org/pub/linux/kernel/people/juhl/trivial/>
 
 
 
@@ -405,7 +409,14 @@ person it names.  This tag documents that potentially interested parties
 have been included in the discussion
 
 
-14) Using Tested-by: and Reviewed-by:
+14) Using Reported-by:, Tested-by: and Reviewed-by:
+
+If this patch fixes a problem reported by somebody else, consider adding a
+Reported-by: tag to credit the reporter for their contribution.  Please
+note that this tag should not be added without the reporter's permission,
+especially if the problem was not reported in a public forum.  That said,
+if we diligently credit our bug reporters, they will, hopefully, be
+inspired to help us again in the future.
 
 A Tested-by: tag indicates that the patch has been successfully tested (in
 some environment) by the person named.  This tag informs maintainers that
@@ -444,7 +455,7 @@ offer a Reviewed-by tag for a patch.  This tag serves to give credit to
 reviewers and to inform maintainers of the degree of review which has been
 done on the patch.  Reviewed-by: tags, when supplied by reviewers known to
 understand the subject area and to perform thorough reviews, will normally
-increase the liklihood of your patch getting into the kernel.
+increase the likelihood of your patch getting into the kernel.
 
 
 15) The canonical patch format
@@ -485,12 +496,33 @@ phrase" should not be a filename.  Do not use the same "summary
 phrase" for every patch in a whole patch series (where a "patch
 series" is an ordered sequence of multiple, related patches).
 
-Bear in mind that the "summary phrase" of your email becomes
-a globally-unique identifier for that patch.  It propagates
-all the way into the git changelog.  The "summary phrase" may
-later be used in developer discussions which refer to the patch.
-People will want to google for the "summary phrase" to read
-discussion regarding that patch.
+Bear in mind that the "summary phrase" of your email becomes a
+globally-unique identifier for that patch.  It propagates all the way
+into the git changelog.  The "summary phrase" may later be used in
+developer discussions which refer to the patch.  People will want to
+google for the "summary phrase" to read discussion regarding that
+patch.  It will also be the only thing that people may quickly see
+when, two or three months later, they are going through perhaps
+thousands of patches using tools such as "gitk" or "git log
+--oneline".
+
+For these reasons, the "summary" must be no more than 70-75
+characters, and it must describe both what the patch changes, as well
+as why the patch might be necessary.  It is challenging to be both
+succinct and descriptive, but that is what a well-written summary
+should do.
+
+The "summary phrase" may be prefixed by tags enclosed in square
+brackets: "Subject: [PATCH tag] <summary phrase>".  The tags are not
+considered part of the summary phrase, but describe how the patch
+should be treated.  Common tags might include a version descriptor if
+the multiple versions of the patch have been sent out in response to
+comments (i.e., "v1, v2, v3"), or "RFC" to indicate a request for
+comments.  If there are four patches in a patch series the individual
+patches may be numbered like this: 1/4, 2/4, 3/4, 4/4.  This assures
+that developers understand the order in which the patches should be
+applied and that they have reviewed or applied all of the patches in
+the patch series.
 
 A couple of example Subjects:
 
@@ -510,19 +542,31 @@ the patch author in the changelog.
 The explanation body will be committed to the permanent source
 changelog, so should make sense to a competent reader who has long
 since forgotten the immediate details of the discussion that might
-have led to this patch.
+have led to this patch.  Including symptoms of the failure which the
+patch addresses (kernel log messages, oops messages, etc.) is
+especially useful for people who might be searching the commit logs
+looking for the applicable patch.  If a patch fixes a compile failure,
+it may not be necessary to include _all_ of the compile failures; just
+enough that it is likely that someone searching for the patch can find
+it.  As in the "summary phrase", it is important to be both succinct as
+well as descriptive.
 
 The "---" marker line serves the essential purpose of marking for patch
 handling tools where the changelog message ends.
 
 One good use for the additional comments after the "---" marker is for
-a diffstat, to show what files have changed, and the number of inserted
-and deleted lines per file.  A diffstat is especially useful on bigger
-patches.  Other comments relevant only to the moment or the maintainer,
-not suitable for the permanent changelog, should also go here.
-Use diffstat options "-p 1 -w 70" so that filenames are listed from the
-top of the kernel source tree and don't use too much horizontal space
-(easily fit in 80 columns, maybe with some indentation).
+a diffstat, to show what files have changed, and the number of
+inserted and deleted lines per file.  A diffstat is especially useful
+on bigger patches.  Other comments relevant only to the moment or the
+maintainer, not suitable for the permanent changelog, should also go
+here.  A good example of such comments might be "patch changelogs"
+which describe what has changed between the v1 and v2 version of the
+patch.
+
+If you are going to include a diffstat after the "---" marker, please
+use diffstat options "-p 1 -w 70" so that filenames are listed from
+the top of the kernel source tree and don't use too much horizontal
+space (easily fit in 80 columns, maybe with some indentation).
 
 See more details on the proper patch format in the following
 references.

Documentation/arm/Samsung-S3C24XX/GPIO.txt

@@ -51,7 +51,7 @@ PIN Numbers
 -----------
 
   Each pin has an unique number associated with it in regs-gpio.h,
-  eg S3C2410_GPA0 or S3C2410_GPF1. These defines are used to tell
+  eg S3C2410_GPA(0) or S3C2410_GPF(1). These defines are used to tell
   the GPIO functions which pin is to be used.
 
 
@@ -65,11 +65,11 @@ Configuring a pin
 
   Eg:
 
-     s3c2410_gpio_cfgpin(S3C2410_GPA0, S3C2410_GPA0_ADDR0);
-     s3c2410_gpio_cfgpin(S3C2410_GPE8, S3C2410_GPE8_SDDAT1);
+     s3c2410_gpio_cfgpin(S3C2410_GPA(0), S3C2410_GPA0_ADDR0);
+     s3c2410_gpio_cfgpin(S3C2410_GPE(8), S3C2410_GPE8_SDDAT1);
 
-   which would turn GPA0 into the lowest Address line A0, and set
-   GPE8 to be connected to the SDIO/MMC controller's SDDAT1 line.
+   which would turn GPA(0) into the lowest Address line A0, and set
+   GPE(8) to be connected to the SDIO/MMC controller's SDDAT1 line.
 
 
 Reading the current configuration

Documentation/block/deadline-iosched.txt

@@ -58,7 +58,7 @@ same criteria as reads.
 front_merges	(bool)
 ------------
 
-Sometimes it happens that a request enters the io scheduler that is contigious
+Sometimes it happens that a request enters the io scheduler that is contiguous
 with a request that is already on the queue. Either it fits in the back of that
 request, or it fits at the front. That is called either a back merge candidate
 or a front merge candidate. Due to the way files are typically laid out,

Documentation/braille-console.txt

@@ -27,7 +27,7 @@ parameter.
 
 For simplicity, only one braille console can be enabled, other uses of
 console=brl,... will be discarded.  Also note that it does not interfere with
-the console selection mecanism described in serial-console.txt
+the console selection mechanism described in serial-console.txt
 
 For now, only the VisioBraille device is supported.
 

Documentation/dell_rbu.txt

@@ -76,9 +76,9 @@ Do the steps below to download the BIOS image.
 
 The /sys/class/firmware/dell_rbu/ entries will remain till the following is
 done.
-echo -1 > /sys/class/firmware/dell_rbu/loading.
+echo -1 > /sys/class/firmware/dell_rbu/loading
 Until this step is completed the driver cannot be unloaded.
-Also echoing either mono ,packet or init in to image_type will free up the
+Also echoing either mono, packet or init in to image_type will free up the
 memory allocated by the driver.
 
 If a user by accident executes steps 1 and 3 above without executing step 2;

Documentation/development-process/5.Posting

@@ -119,7 +119,7 @@ which takes quite a bit of time and thought after the "real work" has been
 done.  When done properly, though, it is time well spent.
 
 
-5.4: PATCH FORMATTING
+5.4: PATCH FORMATTING AND CHANGELOGS
 
 So now you have a perfect series of patches for posting, but the work is
 not done quite yet.  Each patch needs to be formatted into a message which
@@ -146,8 +146,33 @@ that end, each patch will be composed of the following:
  - One or more tag lines, with, at a minimum, one Signed-off-by: line from
    the author of the patch.  Tags will be described in more detail below.
 
-The above three items should, normally, be the text used when committing
-the change to a revision control system.  They are followed by:
+The items above, together, form the changelog for the patch.  Writing good
+changelogs is a crucial but often-neglected art; it's worth spending
+another moment discussing this issue.  When writing a changelog, you should
+bear in mind that a number of different people will be reading your words.
+These include subsystem maintainers and reviewers who need to decide
+whether the patch should be included, distributors and other maintainers
+trying to decide whether a patch should be backported to other kernels, bug
+hunters wondering whether the patch is responsible for a problem they are
+chasing, users who want to know how the kernel has changed, and more.  A
+good changelog conveys the needed information to all of these people in the
+most direct and concise way possible.
+
+To that end, the summary line should describe the effects of and motivation
+for the change as well as possible given the one-line constraint.  The
+detailed description can then amplify on those topics and provide any
+needed additional information.  If the patch fixes a bug, cite the commit
+which introduced the bug if possible.  If a problem is associated with
+specific log or compiler output, include that output to help others
+searching for a solution to the same problem.  If the change is meant to
+support other changes coming in later patch, say so.  If internal APIs are
+changed, detail those changes and how other developers should respond.  In
+general, the more you can put yourself into the shoes of everybody who will
+be reading your changelog, the better that changelog (and the kernel as a
+whole) will be.
+
+Needless to say, the changelog should be the text used when committing the
+change to a revision control system.  It will be followed by:
 
  - The patch itself, in the unified ("-u") patch format.  Using the "-p"
    option to diff will associate function names with changes, making the

Documentation/driver-model/devres.txt

@@ -188,7 +188,7 @@ For example, you can do something like the following.
 
   void my_midlayer_destroy_something()
   {
-	devres_release_group(dev, my_midlayer_create_soemthing);
+	devres_release_group(dev, my_midlayer_create_something);
   }
 
 

Documentation/edac.txt

@@ -23,8 +23,8 @@ first time, it was renamed to 'EDAC'.
 The bluesmoke project at sourceforge.net is now utilized as a 'staging area'
 for EDAC development, before it is sent upstream to kernel.org
 
-At the bluesmoke/EDAC project site, is a series of quilt patches against
-recent kernels, stored in a SVN respository. For easier downloading, there
+At the bluesmoke/EDAC project site is a series of quilt patches against
+recent kernels, stored in a SVN repository. For easier downloading, there
 is also a tarball snapshot available.
 
 ============================================================================
@@ -73,9 +73,9 @@ the vendor should tie the parity status bits to 0 if they do not intend
 to generate parity.  Some vendors do not do this, and thus the parity bit
 can "float" giving false positives.
 
-In the kernel there is a pci device attribute located in sysfs that is
+In the kernel there is a PCI device attribute located in sysfs that is
 checked by the EDAC PCI scanning code. If that attribute is set,
-PCI parity/error scannining is skipped for that device. The attribute
+PCI parity/error scanning is skipped for that device. The attribute
 is:
 
 	broken_parity_status