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727ac9ec6a
The code in early_paging_init is directly masking off bits 8, 9, 10 and 11 to temporarily disable caching of the translation tables. There is some exlanations in the comment, but use some defines instead of magic numbers so ut becomes more evident what is going on. Change the type of the register to u32 since these are indeed unsigned 32bit registers, and use a temporary variable instead of baking too much into the inline assembly call to increase readability. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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 reStructuredText 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.