On Thu, 2007-02-01 at 11:09 +0200, Michael S. Tsirkin wrote: > > Quoting Steve WIse <[EMAIL PROTECTED]>: > > Subject: Re: ip_ib_mc_map? > > > > On Wed, 2007-01-31 at 17:53 -0800, Sean Hefty wrote: > > > Steve Wise wrote: > > > > Perhaps there's no backport for this to rhel4u4? > > > > > > I would have thought so, but I really don't know. The function is called > > > from > > > net/ipv4/arp.c, and not directly by ipoib. So, I don't know how the > > > backport > > > patches typically handle this. > > > > > > - Sean > > > > Here's what I see: > > > > ip_ib_mc_map() is called directly from cma_join_ib_multicast(), which is > > added to the ofed_1_2 cma.c via patch file: > > kernel_patches/fixes/sean_multicast_1.patch > > > > So when I compiled ofed_1_2 on rhel4u4, the cma wouldn't load because > > there is no ip_ib_mc_map() in rhel4u4. > > > > So you need a backport patch for this to work on rhel4u4. Probably many > > of the older kernels. > > I think this breakage is U4 specific. Someone at RH went to the trouble to > rip all of IB related stuff out of the U4 kernel. > > I think just calling ip_tr_mc_map on U4 instead will be enough. >
I changed cma.c to call ip_tr_mc_map() and I can at least load rdma_cm now. I didn't test any mcast, but the rdma-cm is working over iwarp... Steve. _______________________________________________ openib-general mailing list [email protected] http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
