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8d0b728840
If UNUSED_KSYMS_WHITELIST is a file generated before Kbuild runs, and the source tree is in a read-only filesystem, the developer must put the file somewhere and specify an absolute path to UNUSED_KSYMS_WHITELIST. This worked, but if IKCONFIG=y, an absolute path is embedded into .config and eventually into vmlinux, causing the build to be less reproducible when building on a different machine. This patch makes the handling of UNUSED_KSYMS_WHITELIST to be similar to MODULE_SIG_KEY. First, check if UNUSED_KSYMS_WHITELIST is an absolute path, just as before this patch. If so, use the path as is. If it is a relative path, use wildcard to check the existence of the file below objtree first. If it does not exist, fall back to the original behavior of adding $(srctree)/ before the value. After this patch, the developer can put the generated file in objtree, then use a relative path against objtree in .config, eradicating any absolute paths that may be evaluated differently on different machines. Signed-off-by: Yifan Hong <elsk@google.com> Reviewed-by: Elliot Berman <quic_eberman@quicinc.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org> |
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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.