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Now that the tasklet completely controls scheduling of the requests, and we postpone scheduling out the old requests, we can keep a hanging virtual request bound to the engine on which it hung, and remove it from te queue. On release, it will be returned to the same engine and remain in its queue until it is scheduled; after which point it will become eligible for transfer to a sibling. Instead, we could opt to resubmit the request along the virtual engine on unhold, making it eligible for load balancing immediately -- but that seems like a pointless optimisation for a hanging context. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201224135544.1713-8-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.