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XSkFQ refill is pretty generic across the drivers minus FQ descriptor filling and can easily be unified with one inline callback. XSk wakeup is usually not, but here, instead of commonly used "SW interrupts", I picked firing an IPI. In most tests, it showed better performance; it also provides better control for userspace on which CPU will handle the xmit, as SW interrupts honor IRQ affinity no matter which core produces XSk xmit descs (while XDPSQs are associated 1:1 with cores having the same ID). Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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.