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a0da4bc166
The 40xx defines _PAGE_HWWRITE while others don't. The 8xx defines _PAGE_RO instead of _PAGE_RW. The 8xx defines _PAGE_PRIVILEGED instead of _PAGE_USER. The 8xx defines _PAGE_HUGE and _PAGE_NA while others don't. Lets those platforms redefine pte_write(), pte_wrprotect() and pte_mkwrite() and get _PAGE_RO and _PAGE_HWWRITE off the common helpers. Lets the 8xx redefine pte_user(), pte_mkprivileged() and pte_mkuser() and get rid of _PAGE_PRIVILEGED and _PAGE_USER default values. Lets the 8xx redefine pte_mkhuge() and get rid of _PAGE_HUGE default value. Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> 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.