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5c3f8c221c
In the next patch, we will want to be able to use more flexible request timelines that can hop between engines. From the vma pov, we can then not rely on the binding of this request to an engine and so can not ensure that different requests are ordered through a per-engine timeline, and so we must track activity of all timelines. (We track activity on the vma itself to prevent unbinding from HW before the HW has finished accessing it.) v2: Switch to a rbtree for 32b safety (since using u64 as a radixtree index is fraught with aliasing of unsigned longs). v3: s/lookup_active/active_instance/ because we can never agree on names Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180706103947.15919-5-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.
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.