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This patch adds a test that will trigger a preemption of a low priority batch by a 'bad' batch buffer which will hang. The test aims at making sure that a hanging high priority batch will not disrupt the submission flow of low priority contexts. -v2: - Rename subtest (Chris) - Use igt_hang_ctx to hang ring (Chris) - Add comment on execution order checks (Chris) -v3: - Use library call to consume hang (Chris) - Use a more explicit name for array size (Chris) Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Michal Winiarski <michal.winiarski@intel.com> Signed-off-by: Antonio Argenziano <antonio.argenziano@intel.com> Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
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