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authorStephen Hemminger <shemminger@vyatta.com>2009-08-18 15:17:09 +0000
committerDavid S. Miller <davem@davemloft.net>2009-08-18 20:26:51 -0700
commit6b84dacadbdc3dab6a5b313d20d5a93b0d998641 (patch)
tree20bd2d8b320f5a33da98b217fe0506757563cb66 /drivers/mfd/mcp-sa11x0.c
parentee5f68fea27b53b16c265b1f9ed8aa3bc9024c96 (diff)
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>
Diffstat (limited to 'drivers/mfd/mcp-sa11x0.c')
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