Messages in this thread | | | Date | Tue, 30 Apr 2019 01:16:57 +0200 | From | Andrea Parri <> | Subject | Re: [PATCH 5/5] IB/hfi1: Fix improper uses of smp_mb__before_atomic() |
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Hi Mike,
> >This barrier only applies to the read-modify-write operations; in > >particular, it does not apply to the atomic_read() primitive. > > > >Replace the barrier with an smp_mb(). > > This is one of a couple of barrier issues that we are currently looking into. > > See: > > [PATCH for-next 6/9] IB/rdmavt: Add new completion inline > > We will take a look at this one as well.
Thank you for the reference and for looking into this,
Andrea
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