]> git.baikalelectronics.ru Git - kernel.git/commit
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)
commit79dec5dce6bf210dcc33f23bfe4e5dc7d015ab84
tree2e98c0b346690eeca0ea6cad6f8f21a9e16af476
parentfa212f3417a1b7acc40f375375bdae097e52a4ad
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
drivers/net/benet/be_main.c