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IB/mthca: Make fw_cmd_doorbell default to 0
authorRoland Dreier <rolandd@cisco.com>
Wed, 17 May 2006 14:48:07 +0000 (07:48 -0700)
committerRoland Dreier <rolandd@cisco.com>
Wed, 17 May 2006 14:48:07 +0000 (07:48 -0700)
commit1db76c14d215c8b26024dd532de3dcaf66ea30f7
tree6c9c22c450e20e98b75e835930c897c99477c788tree | snapshot
parent032ebf2620ef99a4fedaa0f77dc2272095ac5863commit | diff
IB/mthca: Make fw_cmd_doorbell default to 0

Setting fw_cmd_doorbell allows FW command to be queued using posted
writes instead of requiring polling on a "go" bit, so it should be a
performance boost.  However, the option causes problems with at least
some device/firmware combinations, so set the default to 0 until we
understand what's going on better.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
drivers/infiniband/hw/mthca/mthca_cmd.c diff | blob | history
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