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| author | Naresh Gottumukkala <bgottumukkala@emulex.com> | 2013-06-10 04:42:42 +0000 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2013-06-20 04:52:15 -0700 |
| commit | 9884bcdca30ae9f29a0d6af4a4577826b00c5d94 (patch) | |
| tree | 96842a8d065f59de07f02562c02fdc3e6c33b109 | |
| parent | df176ea0743fd0fb0514c862797f6bd8c08ab42e (diff) | |
| download | talos-op-linux-9884bcdca30ae9f29a0d6af4a4577826b00c5d94.tar.gz talos-op-linux-9884bcdca30ae9f29a0d6af4a4577826b00c5d94.zip | |
RDMA/ocrdma: Reorg structures to avoid padding
Reorg structures to better packing to avoid cacheline padding.
Signed-off-by: Naresh Gottumukkala <bgottumukkala@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
| -rw-r--r-- | drivers/infiniband/hw/ocrdma/ocrdma.h | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma.h b/drivers/infiniband/hw/ocrdma/ocrdma.h index 7aa7f0f15f8e..d540180a8e42 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma.h @@ -236,15 +236,16 @@ struct ocrdma_srq { struct ib_srq ibsrq; struct ocrdma_dev *dev; u8 __iomem *db; + struct ocrdma_qp_hwq_info rq; + u64 *rqe_wr_id_tbl; + u32 *idx_bit_fields; + u32 bit_fields_len; + /* provide synchronization to multiple context(s) posting rqe */ spinlock_t q_lock ____cacheline_aligned; - struct ocrdma_qp_hwq_info rq; struct ocrdma_pd *pd; u32 id; - u64 *rqe_wr_id_tbl; - u32 *idx_bit_fields; - u32 bit_fields_len; }; struct ocrdma_qp { @@ -252,8 +253,6 @@ struct ocrdma_qp { struct ocrdma_dev *dev; u8 __iomem *sq_db; - /* provide synchronization to multiple context(s) posting wqe, rqe */ - spinlock_t q_lock ____cacheline_aligned; struct ocrdma_qp_hwq_info sq; struct { uint64_t wrid; @@ -263,6 +262,9 @@ struct ocrdma_qp { uint8_t rsvd[3]; } *wqe_wr_id_tbl; u32 max_inline_data; + + /* provide synchronization to multiple context(s) posting wqe, rqe */ + spinlock_t q_lock ____cacheline_aligned; struct ocrdma_cq *sq_cq; /* list maintained per CQ to flush SQ errors */ struct list_head sq_entry; |
