[openib-general] ip_ib_mc_map?
Steve WIse
swise at opengridcomputing.com
Thu Feb 1 01:01:24 PST 2007
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.
Steve.
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