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Yonghong Song says: ==================== The bpf selftest send_signal() is flaky for its subtests trying to send signals in softirq/nmi context. To reduce flakiness, the signal-targetted process priority is boosted, which should minimize preemption of that process and improve the possibility that the underlying task in softirq/nmi context is the bpf_send_signal() wanted task. Patch #1 did a refactoring to use ASSERT_* instead of old CHECK macros. Patch #2 did actual change of boosting priority. Changelog: v1 -> v2: remove skip logic where the underlying task in interrupt context is not the intended one. ==================== Signed-off-by: Andrii Nakryiko <andrii@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 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.