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| author | Krishna Kumar <krkumar2@in.ibm.com> | 2006-11-24 16:03:48 +0530 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2006-11-29 15:33:08 -0800 |
| commit | c9edea298e52faeb0d4ae875cb712a5d69ba1966 (patch) | |
| tree | 9f89af31110b7ad8acce86fabb10c98005dedb75 /drivers/infiniband/hw/amso1100/c2_ae.h | |
| parent | 7013696a5f5ccd0d847d5e8b841d0b0b312277c8 (diff) | |
| download | blackbird-op-linux-c9edea298e52faeb0d4ae875cb712a5d69ba1966.tar.gz blackbird-op-linux-c9edea298e52faeb0d4ae875cb712a5d69ba1966.zip | |
RDMA/amso1100: Prevent deadlock in destroy QP
It is possible to swap the CQs used for send_cq and recv_cq when
creating two different QPs. If these two QPs are then destroyed at
the same time, an AB-BA deadlock can occur because the CQ locks are
taken our of order. Fix this by always taking CQ locks in a fixed
order.
Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/amso1100/c2_ae.h')
0 files changed, 0 insertions, 0 deletions
