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acda4c2001
The symbol_conf.use_callchain should be reset when switching to new data file, otherwise report__setup_sample_type() will show an error message that it enabled callchains but no callchain data. The function also will turn on the callchains if the data has PERF_SAMPLE_CALLCHAIN so I think it's ok to reset symbol_conf.use_callchain here. Link: https://lore.kernel.org/r/20250211060745.294289-2-namhyung@kernel.org Signed-off-by: Namhyung Kim <namhyung@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.