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Chris Wilson
7a90f89904
Wait for the object to be idle before changing its cache-level and unbinding. This was dropped as supposedly superfluous from commit8b1c78e06e("drm/i915: Avoid calling i915_gem_object_unbind holding object lock"), but it turns out to prevent some cache dirt escaping. Smells like papering over a race... Closes: https://gitlab.freedesktop.org/drm/intel/issues/820 Fixes:8b1c78e06e("drm/i915: Avoid calling i915_gem_object_unbind holding object lock") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Andi Shyti <andi.shyti@intel.com> Acked-by: Andi Shyti <andi.shyti@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191213223140.1830738-1-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.