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9d56b7fd6a
The driver has supported a transmit work limit that was configurable from ethtool for a long time, but there are no good use cases for having it be a variable that can be changed at run time. In addition, this variable was noted to be causing performance overhead due to cache misses. Just remove the variable and let the code use a constant so that the functionality is maintained (a limit on the number of transmits that will be cleaned in any one call to the clean routines) without the cache miss. Removes code, removes a variable, removes testing surface. Yay. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@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.