Quoting r. Roland Dreier <[email protected]>:
> I think that is actually a very minor bug you've found. If someone
> were posting a work request at the same time as they transitioned a QP
> to reset (which is a legitimate if not sensible thing to do), then the
> spinlock could get reinitialized while it was held. Which would be
> bad.
I think you can't post work requests to a QP in reset state, since IB spec
forbids this. If you do, it seems bad things will happen anyway, for example
head/tail pointers may get out of sync as mthca_wq_init clears these.
--
MST
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