Re: [PATCH 05/17] README: convert it to ReST markup

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On Tue, Oct 4, 2016 at 4:42 PM, Diego Viola <diego.viola@xxxxxxxxx> wrote:
> On Wed, Sep 21, 2016 at 4:09 PM, Mauro Carvalho Chehab
> <mchehab@xxxxxxxxxxxxxxxx> wrote:
>> Adjust the readme file for it to use the ReST markup:
>>
>> - add chapter/section markups;
>> - use ``foo`` for commands;
>> - use :: for verbatim and script blocks;
>> - replace unsupported markup _foo_ by **foo**;
>> - add cross-references to other ReST files;
>> - use lower case on the section titles, to match other ReST files.
>>
>> Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
>> ---
>>  README | 105 ++++++++++++++++++++++++++++++++++++-----------------------------
>>  1 file changed, 58 insertions(+), 47 deletions(-)
>>
>> diff --git a/README b/README
>> index 09f34f78f2bb..3335b3b2973a 100644
>> --- a/README
>> +++ b/README
>> @@ -1,10 +1,12 @@
>> -        Linux kernel release 4.x <http://kernel.org/>
>> +Linux kernel release 4.x <http://kernel.org/>
>> +=============================================
>>
>>  These are the release notes for Linux version 4.  Read them carefully,
>>  as they tell you what this is all about, explain how to install the
>>  kernel, and what to do if something goes wrong.
>>
>> -WHAT IS LINUX?
>> +What is Linux?
>> +--------------
>>
>>    Linux is a clone of the operating system Unix, written from scratch by
>>    Linus Torvalds with assistance from a loosely-knit team of hackers across
>> @@ -18,7 +20,8 @@ WHAT IS LINUX?
>>    It is distributed under the GNU General Public License - see the
>>    accompanying COPYING file for more details.
>>
>> -ON WHAT HARDWARE DOES IT RUN?
>> +On what hardware does it run?
>> +-----------------------------
>>
>>    Although originally developed first for 32-bit x86-based PCs (386 or higher),
>>    today Linux also runs on (at least) the Compaq Alpha AXP, Sun SPARC and
>> @@ -34,7 +37,8 @@ ON WHAT HARDWARE DOES IT RUN?
>>    Linux has also been ported to itself. You can now run the kernel as a
>>    userspace application - this is called UserMode Linux (UML).
>>
>> -DOCUMENTATION:
>> +Documentation
>> +-------------
>>
>>   - There is a lot of documentation available both in electronic form on
>>     the Internet and in books, both Linux-specific and pertaining to
>> @@ -53,14 +57,15 @@ DOCUMENTATION:
>>   - The Documentation/DocBook/ subdirectory contains several guides for
>>     kernel developers and users.  These guides can be rendered in a
>>     number of formats:  PostScript (.ps), PDF, HTML, & man-pages, among others.
>> -   After installation, "make psdocs", "make pdfdocs", "make htmldocs",
>> -   or "make mandocs" will render the documentation in the requested format.
>> +   After installation, ``make psdocs``, ``make pdfdocs``, ``make htmldocs``,
>> +   or ``make mandocs`` will render the documentation in the requested format.
>>
>> -INSTALLING the kernel source:
>> +Installing the kernel source
>> +----------------------------
>>
>>   - If you install the full sources, put the kernel tarball in a
>>     directory where you have permissions (e.g. your home directory) and
>> -   unpack it:
>> +   unpack it::
>>
>>       xz -cd linux-4.X.tar.xz | tar xvf -
>>
>> @@ -74,12 +79,12 @@ INSTALLING the kernel source:
>>   - You can also upgrade between 4.x releases by patching.  Patches are
>>     distributed in the xz format.  To install by patching, get all the
>>     newer patch files, enter the top level directory of the kernel source
>> -   (linux-4.X) and execute:
>> +   (linux-4.X) and execute::
>>
>>       xz -cd ../patch-4.x.xz | patch -p1
>>
>>     Replace "x" for all versions bigger than the version "X" of your current
>> -   source tree, _in_order_, and you should be ok.  You may want to remove
>> +   source tree, **in_order**, and you should be ok.  You may want to remove
>>     the backup files (some-file-name~ or some-file-name.orig), and make sure
>>     that there are no failed patches (some-file-name# or some-file-name.rej).
>>     If there are, either you or I have made a mistake.
>> @@ -90,12 +95,12 @@ INSTALLING the kernel source:
>>     and you want to apply the 4.0.3 patch, you must not first apply the 4.0.1
>>     and 4.0.2 patches. Similarly, if you are running kernel version 4.0.2 and
>>     want to jump to 4.0.3, you must first reverse the 4.0.2 patch (that is,
>> -   patch -R) _before_ applying the 4.0.3 patch. You can read more on this in
>> -   Documentation/applying-patches.txt
>> +   patch -R) **before** applying the 4.0.3 patch. You can read more on this in
>> +   :ref:`Documentation/applying-patches.txt <applying_patches>`.
>>
>>     Alternatively, the script patch-kernel can be used to automate this
>>     process.  It determines the current kernel version and applies any
>> -   patches found.
>> +   patches found::
>>
>>       linux/scripts/patch-kernel linux
>>
>> @@ -103,55 +108,58 @@ INSTALLING the kernel source:
>>     kernel source.  Patches are applied from the current directory, but
>>     an alternative directory can be specified as the second argument.
>>
>> - - Make sure you have no stale .o files and dependencies lying around:
>> + - Make sure you have no stale .o files and dependencies lying around::
>>
>>       cd linux
>>       make mrproper
>>
>>     You should now have the sources correctly installed.
>>
>> -SOFTWARE REQUIREMENTS
>> +Software requirements
>> +---------------------
>>
>>     Compiling and running the 4.x kernels requires up-to-date
>>     versions of various software packages.  Consult
>> -   Documentation/Changes for the minimum version numbers required
>> -   and how to get updates for these packages.  Beware that using
>> +   :ref:`Documentation/Changes <changes>` for the minimum version numbers
>> +   required and how to get updates for these packages.  Beware that using
>>     excessively old versions of these packages can cause indirect
>>     errors that are very difficult to track down, so don't assume that
>>     you can just update packages when obvious problems arise during
>>     build or operation.
>>
>> -BUILD directory for the kernel:
>> +Build directory for the kernel
>> +------------------------------
>>
>>     When compiling the kernel, all output files will per default be
>>     stored together with the kernel source code.
>> -   Using the option "make O=output/dir" allows you to specify an alternate
>> +   Using the option ``make O=output/dir`` allows you to specify an alternate
>>     place for the output files (including .config).
>> -   Example:
>> +   Example::
>>
>>       kernel source code: /usr/src/linux-4.X
>>       build directory:    /home/name/build/kernel
>>
>> -   To configure and build the kernel, use:
>> +   To configure and build the kernel, use::
>>
>>       cd /usr/src/linux-4.X
>>       make O=/home/name/build/kernel menuconfig
>>       make O=/home/name/build/kernel
>>       sudo make O=/home/name/build/kernel modules_install install
>>
>> -   Please note: If the 'O=output/dir' option is used, then it must be
>> +   Please note: If the ``O=output/dir`` option is used, then it must be
>>     used for all invocations of make.
>>
>> -CONFIGURING the kernel:
>> +Configuring the kernel
>> +----------------------
>>
>>     Do not skip this step even if you are only upgrading one minor
>>     version.  New configuration options are added in each release, and
>>     odd problems will turn up if the configuration files are not set up
>>     as expected.  If you want to carry your existing configuration to a
>> -   new version with minimal work, use "make oldconfig", which will
>> +   new version with minimal work, use ``make oldconfig``, which will
>>     only ask you for the answers to new questions.
>>
>> - - Alternative configuration commands are:
>> + - Alternative configuration commands are::
>>
>>       "make config"      Plain text interface.
>>
>> @@ -223,7 +231,7 @@ CONFIGURING the kernel:
>>     You can find more information on using the Linux kernel config tools
>>     in Documentation/kbuild/kconfig.txt.
>>
>> - - NOTES on "make config":
>> + - NOTES on ``make config``:
>>
>>      - Having unnecessary drivers will make the kernel bigger, and can
>>        under some circumstances lead to problems: probing for a
>> @@ -242,22 +250,23 @@ CONFIGURING the kernel:
>>        should probably answer 'n' to the questions for "development",
>>        "experimental", or "debugging" features.
>>
>> -COMPILING the kernel:
>> +Compiling the kernel
>> +--------------------
>>
>>   - Make sure you have at least gcc 3.2 available.
>> -   For more information, refer to Documentation/Changes.
>> +   For more information, refer to :ref:`Documentation/Changes <changes>`.
>>
>>     Please note that you can still run a.out user programs with this kernel.
>>
>> - - Do a "make" to create a compressed kernel image. It is also
>> -   possible to do "make install" if you have lilo installed to suit the
>> + - Do a ``make`` to create a compressed kernel image. It is also
>> +   possible to do ``make install`` if you have lilo installed to suit the
>>     kernel makefiles, but you may want to check your particular lilo setup first.
>>
>>     To do the actual install, you have to be root, but none of the normal
>>     build should require that. Don't take the name of root in vain.
>>
>> - - If you configured any of the parts of the kernel as `modules', you
>> -   will also have to do "make modules_install".
>> + - If you configured any of the parts of the kernel as ``modules``, you
>> +   will also have to do ``make modules_install``.
>>
>>   - Verbose kernel compile/build output:
>>
>> @@ -265,12 +274,12 @@ COMPILING the kernel:
>>     totally silent).  However, sometimes you or other kernel developers need
>>     to see compile, link, or other commands exactly as they are executed.
>>     For this, use "verbose" build mode.  This is done by passing
>> -   "V=1" to the "make" command, e.g.
>> +   ``V=1`` to the ``make`` command, e.g.::
>>
>>       make V=1 all
>>
>>     To have the build system also tell the reason for the rebuild of each
>> -   target, use "V=2".  The default is "V=0".
>> +   target, use ``V=2``.  The default is ``V=0``.
>>
>>   - Keep a backup kernel handy in case something goes wrong.  This is
>>     especially true for the development releases, since each new release
>> @@ -278,7 +287,7 @@ COMPILING the kernel:
>>     backup of the modules corresponding to that kernel, as well.  If you
>>     are installing a new kernel with the same version number as your
>>     working kernel, make a backup of your modules directory before you
>> -   do a "make modules_install".
>> +   do a ``make modules_install``.
>>
>>     Alternatively, before compiling, use the kernel config option
>>     "LOCALVERSION" to append a unique suffix to the regular kernel version.
>> @@ -308,13 +317,14 @@ COMPILING the kernel:
>>     reboot, and enjoy!
>>
>>     If you ever need to change the default root device, video mode,
>> -   ramdisk size, etc.  in the kernel image, use the 'rdev' program (or
>> +   ramdisk size, etc.  in the kernel image, use the ``rdev`` program (or
>>     alternatively the LILO boot options when appropriate).  No need to
>>     recompile the kernel to change these parameters.
>>
>>   - Reboot with the new kernel and enjoy.
>>
>> -IF SOMETHING GOES WRONG:
>> +If something goes wrong
>> +-----------------------
>>
>>   - If you have problems that seem to be due to kernel bugs, please check
>>     the file MAINTAINERS to see if there is a particular person associated
>> @@ -328,7 +338,7 @@ IF SOMETHING GOES WRONG:
>>     sense).  If the problem is new, tell me so, and if the problem is
>>     old, please try to tell me when you first noticed it.
>>
>> - - If the bug results in a message like
>> + - If the bug results in a message like::
>>
>>       unable to handle kernel paging request at address C0000010
>>       Oops: 0002
>> @@ -348,7 +358,7 @@ IF SOMETHING GOES WRONG:
>>     on making sense of the dump is in Documentation/oops-tracing.txt
>>
>>   - If you compiled the kernel with CONFIG_KALLSYMS you can send the dump
>> -   as is, otherwise you will have to use the "ksymoops" program to make
>> +   as is, otherwise you will have to use the ``ksymoops`` program to make
>>     sense of the dump (but compiling with CONFIG_KALLSYMS is usually preferred).
>>     This utility can be downloaded from
>>     ftp://ftp.<country>.kernel.org/pub/linux/utils/kernel/ksymoops/ .
>> @@ -358,13 +368,13 @@ IF SOMETHING GOES WRONG:
>>     look up what the EIP value means.  The hex value as such doesn't help
>>     me or anybody else very much: it will depend on your particular
>>     kernel setup.  What you should do is take the hex value from the EIP
>> -   line (ignore the "0010:"), and look it up in the kernel namelist to
>> +   line (ignore the ``0010:``), and look it up in the kernel namelist to
>>     see which kernel function contains the offending address.
>>
>>     To find out the kernel function name, you'll need to find the system
>>     binary associated with the kernel that exhibited the symptom.  This is
>>     the file 'linux/vmlinux'.  To extract the namelist and match it against
>> -   the EIP from the kernel crash, do:
>> +   the EIP from the kernel crash, do::
>>
>>       nm vmlinux | sort | less
>>
>> @@ -383,18 +393,19 @@ IF SOMETHING GOES WRONG:
>>
>>     If you for some reason cannot do the above (you have a pre-compiled
>>     kernel image or similar), telling me as much about your setup as
>> -   possible will help.  Please read the REPORTING-BUGS document for details.
>> +   possible will help.  Please read the :ref:`REPORTING-BUGS <reportingbugs>`
>> +   document for details.
>>
>>   - Alternatively, you can use gdb on a running kernel. (read-only; i.e. you
>>     cannot change values or set break points.) To do this, first compile the
>> -   kernel with -g; edit arch/x86/Makefile appropriately, then do a "make
>> -   clean". You'll also need to enable CONFIG_PROC_FS (via "make config").
>> +   kernel with -g; edit arch/x86/Makefile appropriately, then do a ``make
>> +   clean``. You'll also need to enable CONFIG_PROC_FS (via ``make config``).
>>
>> -   After you've rebooted with the new kernel, do "gdb vmlinux /proc/kcore".
>> +   After you've rebooted with the new kernel, do ``gdb vmlinux /proc/kcore``.
>>     You can now use all the usual gdb commands. The command to look up the
>> -   point where your system crashed is "l *0xXXXXXXXX". (Replace the XXXes
>> +   point where your system crashed is ``l *0xXXXXXXXX``. (Replace the XXXes
>>     with the EIP value.)
>>
>> -   gdb'ing a non-running kernel currently fails because gdb (wrongly)
>> +   gdb'ing a non-running kernel currently fails because ``gdb`` (wrongly)
>>     disregards the starting offset for which the kernel is compiled.
>>
>> --
>> 2.7.4
>>
>>
>
> I don't like this, why use :: rather than : for blocks? "e.g." doesn't
> need any :
>
> Also, you should make the underline fit the end of the title for consistency.
>
> Diego

Looks like I was wrong, and for reST you actually need "::" for literal blocks.

Diego
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