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3d77a95fc0
_CACHE_CACHABLE_NONCOHERENT is defined as 3<<_CACHE_SHIFT by default, so there's no need to define it as such specifically for Loongson. _CACHE_CACHABLE_COHERENT is not used anywhere in the kernel, so there's no need to define it at all. Finally the comment found alongside these definitions seems incorrect - it suggests that we're defining _CACHE_CACHABLE_NONCOHERENT such that it actually provides coherence, but the opposite seems to be true & instead the unused _CACHE_CACHABLE_COHERENT is defined as the typically incoherent value. Delete the whole thing, which will have no effect on the compiled code anyway. Signed-off-by: Paul Burton <paul.burton@mips.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Cc: Huacai Chen <chenhc@lemote.com> Cc: linux-mips@vger.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.