[ofa-general] Re: [PATCH] IB/mlx4: Check completion done when a command

[Roland Dreier]

 > we've been using this patch in ofed for a long time now. We have seen
 > cases where there are many processes running and it takes quite some
 > time before the task that executed the command gets CPU time. It seems
 > that the semantics of wait_for_completion_timeout has loose relation
 > to the actual time the event occurred -- however the done field itself
 > gives a more accurate indication as for whether the command was
 > completed or not.

I seem to recall we had the same discussion about mthca and concluded
that it was a bug that should be fixed in wait_for_completion_timeout().