From: Jesse Brandeburg <jesse.brandeburg@intel.com>
Date: Wed, 1 Nov 2006 16:47:42 +0000 (-0800)
Subject: e1000: add mmiowb() for IA64 to sync tail writes
X-Git-Tag: v2.6.20-rc1~34^2~40^2~463^2~85
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2ce9047f5d8464039da8ff986e71be5546e229c0;p=pandora-kernel.git

e1000: add mmiowb() for IA64 to sync tail writes

IA64 SMP systems were seeing TX issues with multiple cpu's attempting
to write tail registers unordered. This mmiowb() fixes the issue.

Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
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