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2adeed985a
Currently thunk debug macros explicitly define %gs: segment register prefix for their percpu variables. This is not compatible with !CONFIG_SMP, which requires non-prefixed percpu variables. Fix call thunks debug macros to use PER_CPU_VAR macro from percpu.h to conditionally use %gs: segment register prefix, depending on CONFIG_SMP. Finally, unify ASM_ prefixed assembly macros with their non-prefixed variants. With support of %rip-relative relocations in place, call thunk templates allow %rip-relative addressing, so unified assembly snippet can be used everywhere. Signed-off-by: Uros Bizjak <ubizjak@gmail.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/20231105213731.1878100-4-ubizjak@gmail.com |
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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.