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Tvrtko Ursulin 40a4884512 drm/i915: Reject unknown syncobj flags 
We have to reject unknown flags for uAPI considerations, and also
because the curent implementation limits their i915 storage space
to two bits.

v2: (Chris Wilson)
 * Fix fail in ABI check.
 * Added unknown flags and BUILD_BUG_ON.

v3:
 * Use ARCH_KMALLOC_MINALIGN instead of alignof. (Chris Wilson)

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Fixes: cf6e7bac63 ("drm/i915: Add support for drm syncobjs")
Cc: Jason Ekstrand <jason@jlekstrand.net>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: David Airlie <airlied@linux.ie>
Cc: intel-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171031102326.9738-1-tvrtko.ursulin@linux.intel.com
(cherry picked from commit ebcaa1ff8b)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
 		2017-11-08 10:19:45 -08:00
..
asm-generic License cleanup: add SPDX license identifier to uapi header files with no license 2017-11-02 11:19:54 +01:00
drm drm/i915: Reject unknown syncobj flags 2017-11-08 10:19:45 -08:00
linux License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
misc License cleanup: add SPDX license identifier to uapi header files with a license 2017-11-02 11:20:11 +01:00
mtd License cleanup: add SPDX license identifier to uapi header files with a license 2017-11-02 11:20:11 +01:00
rdma License cleanup: add SPDX license identifier to uapi header files with a license 2017-11-02 11:20:11 +01:00
scsi License cleanup: add SPDX license identifier to uapi header files with a license 2017-11-02 11:20:11 +01:00
sound tools/headers: Synchronize kernel ABI headers 2017-11-04 09:27:46 +01:00
video License cleanup: add SPDX license identifier to uapi header files with a license 2017-11-02 11:20:11 +01:00
xen License cleanup: add SPDX license identifier to uapi header files with a license 2017-11-02 11:20:11 +01:00