tree 92148960b1400fb5e5c30192530103f5cddd82d0
parent 64c3b252e9fc8256ef7b1b99ba60492163cd06e8
author Eliezer Tamir <eliezer.tamir@linux.intel.com> 1377415426 +0300
committer David S. Miller <davem@davemloft.net> 1377726348 -0400

net: add cpu_relax to busy poll loop

Add a cpu_relaxt to sk_busy_loop.

Julie Cummings reported performance issues when hyperthreading is on.
Arjan van de Ven observed that we should have a cpu_relax() in the
busy poll loop.

Reported-by: Julie Cummings <julie.a.cummings@intel.com>
Signed-off-by: Eliezer Tamir <eliezer.tamir@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>