Thread (2 messages) 2 messages, 2 authors, 2010-08-27

Re: [IPoIB] Identify multicast packets and fix IGMP breakage V3

From: Christoph Lameter <hidden>
Date: 2010-08-27 02:24:18
Also in: linux-rdma

Possibly related (same subject, not in this thread)

On Thu, 26 Aug 2010, David Miller wrote:

The highest cost is bringing in that packet header's cache line, which
you've already done by reading the byte and checking for 0xff.
And then you need to bring in the cacheline of the broadcast address....
These are pretty long byte strings in the IB case.
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