Re: [PATCH rdma-RC] IB/cm: Fix sleeping while atomic when creating AH from WC

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On Tue, Oct 20, 2015 at 03:57:54PM +0000, Hefty, Sean wrote:
> > Today, cm assumes paths are reversible primary_path->reversible = 1.
> 
> I can't quickly find a link, but I believe all CM MADs are
> reversible, per the spec.

But the Linux CM code doesn't always create the reverse CM MAD from
the GMP headers, it sometimes will do it by looking into the data path
in the MAD, which means it still could need to sleep to do the MAC
resolution.

Jason
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