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97cadd3d3c
Before replacing the Rx buffer management with libie, clean up &iavf_ring a bit. There are several fields not used anywhere in the code -- simply remove them. Move ::tail up to remove a hole. Replace ::arm_wb boolean with 1-bit flag in ::flags to free 1 more byte. Finally, move ::prev_pkt_ctr out of &iavf_tx_queue_stats -- it doesn't belong there (used for Tx stall detection). Place it next to the stats on the ring itself to fill the 4-byte slot. The result: no holes and all the hot fields fit into the first 64-byte cacheline. Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> |
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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.