Re: eth_type_trans(): Re: [Bug #11308] tbench regression on each kernel release from 2.6.22 -> 2.6.28

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David Miller a écrit :
From: Ingo Molnar <mingo@xxxxxxx>
Date: Mon, 17 Nov 2008 22:26:57 +0100

eth->h_proto access.

Yes, this is the first time a packet is touched on receive.

Well, not exactly, since we do a
if (is_multicast_ether_addr(eth->h_dest)) {
...}

and one of the
	compare_ether_addr(eth->h_dest, {dev->dev_addr | dev->broadcast})

probably its a profiling effect...



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