diff options
| author | Jesse Brandeburg <jesse.brandeburg@intel.com> | 2009-12-03 11:33:54 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-12-03 15:43:22 -0800 |
| commit | 9b471446cb376e2d1a4ceb4695059acfc3437f32 (patch) | |
| tree | 9578694e15b99da7a797924d1c087e506d8126fc /net/8021q | |
| parent | 7ca3bc582cd24c2e6c0693a2ba2c71f3c2419c8b (diff) | |
ixgbe: use EIAM to automask MSI-X
when disabling interrupts, driver was writing with IO, this is no
necessary because on ixgbe parts the hardware can "oneshot"
disable and clear the interrupt. So on 82598/82599 use of EIAM
should avoid one posted write per interrupt when in MSI-X mode.
This should improve performance and seems to in my limited
testing, reduce CPU utilization VERY slightly.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/8021q')
0 files changed, 0 insertions, 0 deletions