git: igb: Dispatch callout to the CPU that is checking status

[Sepherosa Ziehau <sephe@xxxxxxxxxxxxxxxxxxxxxxx>]

commit 7b61c9f2d576da4a207790c3b01c9bcabc071632
Author: Sepherosa Ziehau <sephe@dragonflybsd.org>
Date:   Tue Nov 20 20:26:52 2012 +0800

    igb: Dispatch callout to the CPU that is checking status
    
    This reduces sporadic contentions on the main serializer.

Summary of changes:
 sys/dev/netif/igb/if_igb.c |    8 ++++++--
 sys/dev/netif/igb/if_igb.h |    1 +
 2 files changed, 7 insertions(+), 2 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/7b61c9f2d576da4a207790c3b01c9bcabc071632


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