[openib-general] Re: ipoib_multicast_ah.patch

[Roland Dreier]

    >> who else might change the value here?  Answering this would
    >> help justify the patch and save me from having to write up a
    >> changelog entry.

    Michael> I has a quick look and couldnt see any other place -
    Michael> except when the mcast entry is freed. Am I missing
    Michael> something?

I don't know if you're missing anything -- you posted the patch, and
I'm just trying to understand the race it protects against.  If
nothing else could change the value in between the tests, then what's
the harm in testing it twice?

 - R.