From: Stephen Hemminger <shemminger@vyatta.com>
Date: Tue, 18 Aug 2009 15:17:09 +0000 (+0000)
Subject: sky2: optimize transmit completion
X-Git-Tag: v2.6.32-rc1~703^2~340
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6b84dacadbdc3dab6a5b313d20d5a93b0d998641;p=pandora-kernel.git

sky2: optimize transmit completion

Don't reference the list element in hardware transmit ring on transmit
completion. The list element is updated by hardware, therefore
it causes a cache miss. Do book keeping in software structure.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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