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Fix the frame pointer handling in the function graph tracer entry and exit code so we can enable HAVE_FUNCTION_GRAPH_FP_TEST. Instead of using FP directly (which will have different values between the entry and exit pieces of the function graph tracer), use the value of SP at entry and exit, as we can derive the former value from the frame pointer. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org> |
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| init | ||
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| kernel | ||
| lib | ||
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| .clang-format | ||
| .cocciconfig | ||
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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 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.