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Commit 9884bcdc authored by Naresh Gottumukkala's avatar Naresh Gottumukkala Committed by Roland Dreier
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RDMA/ocrdma: Reorg structures to avoid padding 



Reorg structures to better packing to avoid cacheline padding.

Signed-off-by: default avatarNaresh Gottumukkala <bgottumukkala@emulex.com>
Signed-off-by: default avatarRoland Dreier <roland@purestorage.com>
parent df176ea0

drivers/infiniband/hw/ocrdma/ocrdma.h

+8 −6
Original line number Original line Diff line number Diff line
@@ -236,15 +236,16 @@ struct ocrdma_srq { 
	struct ib_srq ibsrq;

	struct ib_srq ibsrq;

	struct ocrdma_dev *dev;

	struct ocrdma_dev *dev;

	u8 __iomem *db;

	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 */

	/* provide synchronization to multiple context(s) posting rqe */

	spinlock_t q_lock ____cacheline_aligned;

	spinlock_t q_lock ____cacheline_aligned;





	struct ocrdma_qp_hwq_info rq;

	struct ocrdma_pd *pd;

	struct ocrdma_pd *pd;

	u32 id;

	u32 id;

	u64 *rqe_wr_id_tbl;

	u32 *idx_bit_fields;

	u32 bit_fields_len;

};

};





struct ocrdma_qp {

struct ocrdma_qp {
@@ -252,8 +253,6 @@ struct ocrdma_qp { 
	struct ocrdma_dev *dev;

	struct ocrdma_dev *dev;





	u8 __iomem *sq_db;

	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 ocrdma_qp_hwq_info sq;

	struct {

	struct {

		uint64_t wrid;

		uint64_t wrid;
@@ -263,6 +262,9 @@ struct ocrdma_qp { 
		uint8_t  rsvd[3];

		uint8_t  rsvd[3];

	} *wqe_wr_id_tbl;

	} *wqe_wr_id_tbl;

	u32 max_inline_data;

	u32 max_inline_data;



	/* provide synchronization to multiple context(s) posting wqe, rqe */

	spinlock_t q_lock ____cacheline_aligned;

	struct ocrdma_cq *sq_cq;

	struct ocrdma_cq *sq_cq;

	/* list maintained per CQ to flush SQ errors */

	/* list maintained per CQ to flush SQ errors */

	struct list_head sq_entry;

	struct list_head sq_entry;