i40e/i40evf: improve Tx performance with a small tweak

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Add a prefetch for the next Tx descriptor to be used when we know
there are more coming.

Change-ID: Ibb9acab11d508eec2db7da795df74debc16eeacb
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

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Jesse Brandeburg 2015-04-27 14:57:08 -04:00 • committed by Jeff Kirsher

parent c78b953e0f

commit 489ce7a463

2 changed files with 4 additions and 0 deletions

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2

drivers/net/ethernet/intel/i40e/i40e_txrx.c

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2

drivers/net/ethernet/intel/i40evf/i40e_txrx.c

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