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3a34c7001d
This patch does more harm than good, as it breaks both Xwayland and gnome-shell with X11. Xwayland requires DRI3 & DRI3 requires PRIME. X11 crash for obscure double-free reason which are hard to debug (starting X11 by hand doesn't trigger the crash). I don't see an apparent problem implementing those stub prime functions, they may return an error at run-time, and it seems to be handled fine by GNOME at least. This reverts commitb318e3ff7c. [airlied: This broke userspace for virtio-gpus, and regressed things from DRI3 to DRI2. This brings back the original problem, but it's better than regressions.] Fixes:b318e3ff7c("drm/virtio: drop prime import/export callbacks") Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com> (cherry picked from commita0cecc23cf) Signed-off-by: Greg Hartman <ghartman@google.com> BUG: 139386237 Change-Id: Ie752f363df21c597e55cb1204cf464e4b1fd4b4b
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.