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Tx thread needs to be started after the Rx side is fully initialized so that packets are not xmitted until xsk Rx socket is ready to be used. It can be observed that atomic variable spinning_tx is not checked from Rx side in any way, so thread_common_ops can be modified to only address the spinning_rx. This means that spinning_tx can be removed altogheter. signal_tx_condition is never utilized, so simply remove it. Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20210329224316.17793-11-maciej.fijalkowski@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 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.