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The patch titled ("powerpc: make fadump resilient with memory add/remove
events") has made significant changes to the implementation of fadump,
particularly on elfcorehdr creation and fadump crash info header
structure. Therefore, updating the fadump implementation documentation
to reflect those changes.
Following updates are done to firmware assisted dump documentation:
1. The elfcorehdr is no longer stored after fadump HDR in the reserved
dump area. Instead, the second kernel dynamically allocates memory
for the elfcorehdr within the address range from 0 to the boot memory
size. Therefore, update figures 1 and 2 of Memory Reservation during
the first and second kernels to reflect this change.
2. A version field has been added to the fadump header to manage the
future changes to fadump crash info header structure without changing
the fadump header magic number in the future. Therefore, remove the
corresponding TODO from the document.
Signed-off-by: Sourabh Jain <sourabhjain@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240422195932.1583833-4-sourabhjain@linux.ibm.com
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| .clang-format | ||
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| .get_maintainer.ignore | ||
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| README | ||
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.