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Puranjay Mohan says: ==================== Implement mechanism to signal other threads This set implements a kfunc called bpf_send_signal_task() that is similar to sigqueue() as it can send a signal along with a cookie to a thread or thread group. The send_signal selftest has been updated to also test this new kfunc under all contexts. Changes in v5: v4: https://lore.kernel.org/all/20241008114940.44305-1-puranjay@kernel.org/ - Call copy_siginfo() only if work->has_siginfo is true in bpf_send_signal_common() - Add Acked-by: Andrii Nakryiko <andrii@kernel.org> Changes in v4: v3: https://lore.kernel.org/all/20241007103426.128923-1-puranjay@kernel.org/ - Fix the selftest to make it work for big-endian archs. - Fix a build warning on 32-bit archs. - Some style changes and code refactors suggested by Andrii Changes in v3: v2: https://lore.kernel.org/all/20240926115328.105634-1-puranjay@kernel.org/ - make the cookie u64 instead of int. - re use code from bpf_send_signal_common Changes in v2: v1: https://lore.kernel.org/bpf/20240724113944.75977-1-puranjay@kernel.org/ - Convert to a kfunc - Add mechanism to send a cookie with the signal. ==================== Link: https://lore.kernel.org/r/20241016084136.10305-1-puranjay@kernel.org 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 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.