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20470dfd65
Passing -mthumb to the kernel.org arm toolchain failed to build because it defaults to armv5 hence thumb1, which has a fairly limited instruction set compared to thumb2 enabled with armv7 that is much more complete. It's not very difficult to adjust the instructions to also build on thumb1, it only adds a total of 3 instructions, so it's worth doing it at least to ease use by casual testers. It was verified that the adjusted code now builds and works fine for armv5, thumb1, armv7 and thumb2, as long as frame pointers are not used. Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.