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Transmit Packet Steering (XPS) maps cpu numbers to transmit queues. By running the same connection on the same set of cpu's, contention for the queue and cache miss rate can be minimized. When assigning a cpu mask for a tranmit queues irq number, assign the same cpu mask as the set of cpu's that XPS should use for that queue. Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com> Signed-off-by: Dany Madden <drt@linux.ibm.com> Signed-off-by: Nick Child <nnac123@linux.ibm.com> Reviewed-by: Rick Lindsley <ricklind@linux.ibm.com> Reviewed-by: Haren Myneni <haren@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.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.
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.