[openib-general] Re: [PATCH] ipoib: device removal races

[Roland Dreier]

    Michael> Something like:

    Michael> Remove it from the idr before completing, under a
    Michael> spinlock.  Now if its in idr its not completing.

    Michael> Could this work?

I think you have to hold the spinlock across the consumer callback to
avoid all races.  And that's kind of a bummer, because it means you
can't do anything that might sleep (like modify a QP) from the
callback.

 - R.