From: Naresh Gottumukkala Date: Mon, 10 Jun 2013 04:42:42 +0000 (+0000) Subject: RDMA/ocrdma: Reorg structures to avoid padding X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=9884bcdca30ae9f29a0d6af4a4577826b00c5d94;p=linux-beck.git RDMA/ocrdma: Reorg structures to avoid padding Reorg structures to better packing to avoid cacheline padding. Signed-off-by: Naresh Gottumukkala Signed-off-by: Roland Dreier --- 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;