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Chris Wilson authored
Be careful not to underflow into a very large positive usec value and so sleep forever^W until boredom kicks in. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
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