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e04e39507c
_PAGE_NO_CACHE is a platform specific flag. In addition, this flag is misleading because one would think it requests a noncached page whereas a noncached page is _PAGE_NO_CACHE | _PAGE_GUARDED _PAGE_NO_CACHE alone means write combined noncached page, so lets use ioremap_wc() instead. _PAGE_WRITETHRU is also platform specific flag. Use ioremap_wt() instead. Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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.
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.