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The current driver mode is to use a write-back mechanism for the head register which indicates transmit completions. The VF driver needs to be able to work on hardware that exclusively uses descriptor write-back, so change the default driver mode of operation to descriptor write-back for VF. In our analysis, performance wasn't significantly different with either write-back method. Change-ID: Ia92e4ec77c2df8dc4515c71d53746d57d77759af Signed-off-by: Preethi Banala <preethi.banala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.