From: John Dykstra <john.dykstra1@gmail.com>
Date: Thu, 30 Apr 2009 00:22:30 +0000 (-0700)
Subject: pcnet32: Remove pointless memory barriers
X-Git-Tag: v2.6.31-rc1~330^2~515
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ce105a082371570effb71541f299b1dc2771ee03;p=pandora-kernel.git

pcnet32: Remove pointless memory barriers

These two memory barriers in performance-critical paths are not needed
on x86.  Even if some other architecture does buffer PCI I/O space
writes, the existing memory-mapped I/O barriers are unlikely to be what
is needed.

Signed-off-by: John Dykstra <john.dykstra1@gmail.com>
Acked-by:  Don Fry <pcnet32@verizon.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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