Re: [ofa-general] InfiniBand/RDMA merge plans for 2.6.24

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To: Sean Hefty <sean.hefty@...>
Cc: <general@...>, <linux-kernel@...>, <netdev@...>
Date: Thursday, September 13, 2007 - 5:02 pm

> > - My user_mad P_Key index support patch.  I'll test the ioctl to
 > >   change to the new mode and merge this I guess, since Hal and Sean
 > >   have tested this out.
 > 
 > I can give this patch a reviewed-by: too, and I will also try to review a couple
 > of the pending ipoib patches.

Thanks!

 > > - Sean's QoS changes.  These look fine at first glance, and I just
 > >   plan to understand the backwards compatibility story (ie how this
 > >   works with an old SM) and merge.  Anyone who objects let me know.
 > 
 > The new QoS fields fall into fields that are currently reserved, which should be
 > ignored by an older SM.  I've only tested this against openSM however.

That seems OK -- I'm OK with breaking things if an SM is clearly buggy
(and not ignoring fields that are defined to be ignored in the spec
would certainly be a clear bug to me).

 > This patch was generated in response to an Intel MPI issue.  We've seen MPI take
 > several minutes to respond to a connection request during the middle of large
 > application runs.  When this happens, the active side times out the connection.
 > In OFED, we added module parameters to adjust the rdma_cm connection timeout on
 > the active side, but I believe that sending an MRA from the passive side is a
 > better solution.

OK -- just to make sure I'm understanding what you're saying: have you
confirmed that your proposed patches actually fix the issue?

 - R.
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Messages in current thread:
InfiniBand/RDMA merge plans for 2.6.24, Roland Dreier, (Thu Sep 13, 1:57 pm)
Re: InfiniBand/RDMA merge plans for 2.6.24, Michael S. Tsirkin, (Tue Sep 18, 12:34 pm)
Re: InfiniBand/RDMA merge plans for 2.6.24, Roland Dreier, (Tue Sep 18, 1:18 pm)
Re: InfiniBand/RDMA merge plans for 2.6.24, Michael S. Tsirkin, (Tue Sep 18, 1:22 pm)
Re: [ofa-general] InfiniBand/RDMA merge plans for 2.6.24, Jack Morgenstein, (Tue Sep 18, 3:09 am)
Re: [ofa-general] InfiniBand/RDMA merge plans for 2.6.24, Roland Dreier, (Mon Sep 17, 6:11 pm)
Re: InfiniBand/RDMA merge plans for 2.6.24, Shirley Ma, (Thu Sep 13, 2:22 pm)
Re: InfiniBand/RDMA merge plans for 2.6.24, Roland Dreier, (Thu Sep 13, 5:00 pm)
Re: [ofa-general] InfiniBand/RDMA merge plans for 2.6.24, Roland Dreier, (Thu Sep 13, 5:02 pm)
Re: [ofa-general] InfiniBand/RDMA merge plans for 2.6.24, Roland Dreier, (Thu Sep 13, 5:11 pm)
Re: [ofa-general] InfiniBand/RDMA merge plans for 2.6.24, Roland Dreier, (Fri Sep 14, 12:18 pm)
Re: [ofa-general] InfiniBand/RDMA merge plans for 2.6.24, Roland Dreier, (Thu Sep 13, 5:12 pm)
Re: [ofa-general] InfiniBand/RDMA merge plans for 2.6.24, Evgeniy Polyakov, (Fri Sep 14, 8:55 am)