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(parent: 820d500) | patch
pcnet32: Remove pointless memory barriers
authorJohn Dykstra <john.dykstra1@gmail.com>
Thu, 30 Apr 2009 00:22:30 +0000 (17:22 -0700)
committerDavid S. Miller <davem@davemloft.net>
Thu, 30 Apr 2009 00:22:30 +0000 (17:22 -0700)
commitb98cb7d392a2458d058a5df59b3c7799c23fc04c
treed352e8543adeb3392bb91ceb40301452f1aede0ftree | snapshot
parent820d500c83cdf4badae757a215f560da83f37d99commit | diff
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>
drivers/net/pcnet32.c diff | blob | history
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