diff options
| author | Santiago Leon <santil@linux.vnet.ibm.com> | 2010-09-03 18:28:20 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-09-06 18:20:33 -0700 |
| commit | c08cc3ccebd46dce44d13a8ce81d249e687eeb8a (patch) | |
| tree | 1e44318be42fbbef6c6cc224c9d4a2adafef4e98 /drivers/dma/dw_dmac.c | |
| parent | e8cb7eb473ac47703282db6f90b4926f31cdf376 (diff) | |
ibmveth: Add tx_copybreak
Use the existing bounce buffer if we send a buffer under a certain size.
This saves the overhead of a TCE map/unmap.
I can't see any reason for the wmb() in the bounce buffer case, if we need
a barrier it will be before we call h_send_logical_lan but we have
nothing in the common case. Remove it.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/dma/dw_dmac.c')
0 files changed, 0 insertions, 0 deletions