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Chris Wilson authored
If we, when we store the reset_counter for the operation, we ensure that it is not in a wedged or in the middle of a reset, we can then assert that if any reset occurs the reset_counter must change. Later we can just compare the operation's reset epoch against the current counter to see if we need to abort the operation (to handle the hang). Signed-off-by:
Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1460565315-7748-5-git-send-email-chris@chris-wilson.co.uk
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