napi_synchronize: waiting for NAPI
authorStephen Hemminger <shemminger@linux-foundation.org>
Wed, 17 Oct 2007 20:26:41 +0000 (13:26 -0700)
committerJeff Garzik <jeff@garzik.org>
Thu, 18 Oct 2007 00:17:34 +0000 (20:17 -0400)
Some drivers with shared NAPI need a synchronization barrier.
Also suggested by Benjamin Herrenschmidt for EMAC.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

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