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Steven Rostedt (VMware) e9baef0d86 tracing: Combine enum and arrays into single macro in filter code
Instead of having a separate enum that is the index into another array, like
a string array, make a single macro that combines them into a single list,
and then the two can not get out of sync. This makes it easier to add and
remove items.

The macro trick is:

 #define DOGS				\
  C( JACK,     "Jack Russell")		\
  C( ITALIAN,  "Italian Greyhound")	\
  C( GERMAN,   "German Shepherd")

 #undef C
 #define C(a, b) a

 enum { DOGS };

 #undef C
 #define C(a, b) b

 static char dogs[] = { DOGS };

Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
History 2018-03-14 12:32:18 -04:00
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Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.