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

[Roland Dreier]

    Michael> Can sa query be changed to perform the callback directly,
    Michael> and so guarantee that query isnt used after
    Michael> ib_sa_cancel_query returns?

Hmm, that gets into the MAD layer design, but I think it gets very
tricky.  For example, how do we know that the query isn't already
completing on a different CPU as we enter the cancel call?

 - R.