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The location of the ERROR and BUSY status bits depends on the descriptor index, i.e. the CPU, of the message. Since this index does not change, there is no need to calculate the mmr and index location during message processing. The less work we do in the hot path the better. Add status_mmr and status_index fields to bau_control and compute their values during initialization. Add kerneldoc descriptions for the new fields. Update uv*_wait_completion to use these fields rather than receiving the information as parameters. Signed-off-by: Andrew Banman <abanman@hpe.com> Acked-by: Ingo Molnar <mingo@kernel.org> Acked-by: Mike Travis <mike.travis@hpe.com> Cc: sivanich@hpe.com Cc: rja@hpe.com Cc: akpm@linux-foundation.org Link: http://lkml.kernel.org/r/1489077734-111753-5-git-send-email-abanman@hpe.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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.