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941327ca5ddd45cfc4dd960cbbabed9e2b5cb1b0
Fence instructions are required only at the beginning and the end of a flush operation, not separately for each cache line being flushed. Speed up cache flushes by about 15% by removing the extra fences. Signed-off-by: Samuel Holland <samuel.holland@sifive.com> Signed-off-by: Conor Dooley <conor.dooley@microchip.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 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.
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