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(parent: dd4d8ca) | 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)
commitce105a082371570effb71541f299b1dc2771ee03
treed352e8543adeb3392bb91ceb40301452f1aede0ftree | snapshot
parentdd4d8ca6446538a904127838cb6c9a4cffe690f7commit | 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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