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8772716f96
The __Pxxx/__Sxxx macros are only for protection_map[] init. All usage of them in linux should come from protection_map array. Because a lot of architectures would re-initilize protection_map[] array, eg: x86-mem_encrypt, m68k-motorola, mips, arm, sparc. Using __P000 is not rigorous. Link: https://lkml.kernel.org/r/20210924060821.1138281-1-guoren@kernel.org Signed-off-by: Guo Ren <guoren@linux.alibaba.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Gavin Shan <gshan@redhat.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.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.