Will Deacon 5ef3fe4cec arm64: Avoid redundant type conversions in xchg() and cmpxchg()
Our atomic instructions (either LSE atomics of LDXR/STXR sequences)
natively support byte, half-word, word and double-word memory accesses
so there is no need to mask the data register prior to being stored.

Signed-off-by: Will Deacon <will.deacon@arm.com>
2018-12-07 17:27:55 +00:00
2018-10-31 08:54:14 -07:00
2018-11-18 10:15:09 -08:00
2018-11-18 10:15:09 -08:00
2018-11-18 13:33:44 -08:00

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.
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