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(parent: 7e307c7) | patch
be2net: memory barrier fixes on IBM p7 platform
authorSathya Perla <sathyap@serverengines.com>
Tue, 29 Jun 2010 00:11:17 +0000 (00:11 +0000)
committerDavid S. Miller <davem@davemloft.net>
Wed, 30 Jun 2010 20:26:42 +0000 (13:26 -0700)
commitf3eb62d2cc7da7bea4b394dd06f6bc738aa284e7
tree2e98c0b346690eeca0ea6cad6f8f21a9e16af476tree | snapshot
parent7e307c7ad5340b226966da6e564ec7f717da3adbcommit | diff
be2net: memory barrier fixes on IBM p7 platform

The ibm p7 architecure seems to reorder memory accesses more
aggressively than previous ppc64 architectures. This requires memory
barriers to ensure that rx/tx doorbells are pressed only after
memory to be DMAed is written.

Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/benet/be_cmds.c diff | blob | history
drivers/net/benet/be_main.c diff | blob | history
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