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Andy Chiu
500e626c4a
The following ftrace patch for riscv uses a data store to update ftrace function. Therefore, a romote fence is required to order it against function_trace_op updates. The mechanism is similar to the fence between function_trace_op and update_ftrace_func in the generic ftrace, so we leverage the same ftrace_sync_ipi function. [ alex: Fix build warning when !CONFIG_DYNAMIC_FTRACE ] Signed-off-by: Andy Chiu <andybnac@gmail.com> Link: https://lore.kernel.org/r/20250407180838.42877-4-andybnac@gmail.com Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com> Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
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.