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Mark Rutland
9e09d445f1
The function which calls the top-level backtracing function may have been instrumented with ftrace and/or kprobes, and hence the first return address may have been rewritten. Factor out the existing fgraph / kretprobes address recovery, and use this for the first address. As the comment for the fgraph case isn't all that helpful, I've also dropped that. Signed-off-by: Mark Rutland <[email protected]> Reviewed-by: Kalesh Singh <[email protected]> Cc: Catalin Marinas <[email protected]> Cc: Madhavan T. Venkataraman <[email protected]> Cc: Mark Brown <[email protected]> Cc: Will Deacon <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Will Deacon <[email protected]>
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.