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Stephen reported a boot failure on ppc power8 system where set_memor_ro() on the new zero page failed [0]. Christophe Leroy further clarifies we can't use this on on linear memory on ppc, and so instead of special casing this just for PowerPC [2] remove the call as suggested by Darrick. [0] https://lore.kernel.org/all/20240826175931.1989f99e@canb.auug.org.au/T/#u [1] https://lore.kernel.org/all/b0fe75b4-c1bb-47f7-a7c3-2534b31c1780@csgroup.eu/ [2] https://lore.kernel.org/all/ZszrJkFOpiy5rCma@bombadil.infradead.org/ Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Suggested-by: Darrick J. Wong <djwong@kernel.org> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org> Link: https://lore.kernel.org/r/20240826212632.2098685-1-mcgrof@kernel.org Tested-by: Stephen Rothwell <sfr@canb.auug.org.au> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Signed-off-by: Christian Brauner <brauner@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 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.