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Song Liu says: ==================== Changes v2 -> v3: Improve syntax based on suggestion by Tobin C. Harding. Changes v1 -> v2: 1. Rename some variables to (hopefully) reduce confusion; 2. Check irq_work status with IRQ_WORK_BUSY (instead of work->sem); 3. In Kconfig, let BPF_SYSCALL select IRQ_WORK; 4. Add static to DEFINE_PER_CPU(); 5. Remove pr_info() in stack_map_init(). ==================== Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.