Messages in this thread | | | Date | Thu, 29 Jun 2006 17:47:38 -0700 (PDT) | Subject | Re: [PATCH 39 of 39] IB/ipath - use streaming copy in RDMA interrupt handler to reduce packet loss | From | David Miller <> |
| |
From: Rick Jones <rick.jones2@hp.com> Date: Thu, 29 Jun 2006 17:44:05 -0700
> Then is prefetching in memcpy really that important to them.
Not really, the thread just blocks while waiting for memory. On stores they do a cacheline fill optimization similar to the powerpc.
> Relying on PCI-X devices to issue multiple requests then?
Perhaps :) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |