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Currently x86 and riscv open-code 4 instances of the same logic to define a u32 variable with the KCFI typeid of a given function. Replace the duplicate logic with a common macro. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Co-developed-by: Maxwell Bland <mbland@motorola.com> Signed-off-by: Maxwell Bland <mbland@motorola.com> Co-developed-by: Sami Tolvanen <samitolvanen@google.com> Signed-off-by: Sami Tolvanen <samitolvanen@google.com> Tested-by: Dao Huang <huangdao1@oppo.com> Acked-by: Will Deacon <will@kernel.org> Link: https://lore.kernel.org/r/20250801001004.1859976-6-samitolvanen@google.com Signed-off-by: Alexei Starovoitov <ast@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.