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ebb5eb7d73
We now have two locks for sideband access. The general one covering sideband access across all generation, sb_lock, and a specific one covering sideband access via the punit on vlv/chv. After lifting the sb_lock around the punit into the callers, the pcu_lock is now redudant and can be separated from its other use to regulate RPS (essentially giving RPS a lock all of its own). v2: Extract a couple of minor bug fixes. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190426081725.31217-4-chris@chris-wilson.co.uk
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.