ixgbe: get rid of custom busy polling code
authorEric Dumazet <edumazet@google.com>
Fri, 3 Feb 2017 00:26:39 +0000 (16:26 -0800)
committerDavid S. Miller <davem@davemloft.net>
Fri, 3 Feb 2017 22:17:52 +0000 (17:17 -0500)
commit3ffc1af576550ec61d35668485954e49da29d168
treed967a7eeb9749af496605f6436e35a0e6efacaa0
parent52e01b84a244473074fc0612c169e2e043d58b01
ixgbe: get rid of custom busy polling code

In linux-4.5, busy polling was implemented in core
NAPI stack, meaning that all custom implementation can
be removed from drivers.

Not only we remove lot's of code, we also remove one lock
operation in fast path, and allow GRO to do its job.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/intel/ixgbe/ixgbe.h
drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c