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Matthew Brost aa87b681bc drm/xe: Disallow input fences on zero batch execs and zero binds
Prevent input fences from being installed on zero batch execs or zero
binds, which were originally added to support queue idling in Mesa via
output fences. Although input fence support was introduced for interface
consistency, it leads to incorrect behavior due to chained composite
fences, which are disallowed.

Avoid the complexity of fixing this by removing support, as input fences
for these cases are not used in practice.

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patch.msgid.link/20251031234050.3043507-6-matthew.brost@intel.com
History 2025-11-04 08:21:14 -08:00
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README

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.