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* [PATCH 2.6.30] RDMA/cxgb3: remove modulo math from build_rdma_recv().
@ 2009-02-11 22:29 Steve Wise
  2009-02-11 23:00 ` David Miller
  2009-02-13  5:43 ` Roland Dreier
  0 siblings, 2 replies; 3+ messages in thread
From: Steve Wise @ 2009-02-11 22:29 UTC (permalink / raw)
  To: rdreier; +Cc: general, randy.dunlap, linux-next, linux-kernel

From: Steve Wise <swise@opengridcomputing.com>

- remove modulo usage

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
---

 drivers/infiniband/hw/cxgb3/iwch_qp.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index c2b3cf7..bf549ed 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -263,8 +263,8 @@ static int build_rdma_recv(struct iwch_qp *qhp, union t3_wr *wqe,
 		wqe->recv.sgl[i].len = cpu_to_be32(wr->sg_list[i].length);
 
 		/* to in the WQE == the offset into the page */
-		wqe->recv.sgl[i].to = cpu_to_be64(((u32) wr->sg_list[i].addr) %
-				(1UL << (12 + page_size[i])));
+		wqe->recv.sgl[i].to = cpu_to_be64(((u32)wr->sg_list[i].addr) &
+				((1UL << (12 + page_size[i]) - 1)));
 
 		/* pbl_addr is the adapters address in the PBL */
 		wqe->recv.pbl_addr[i] = cpu_to_be32(pbl_addr[i]);

^ permalink raw reply related	[flat|nested] 3+ messages in thread

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Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2009-02-11 22:29 [PATCH 2.6.30] RDMA/cxgb3: remove modulo math from build_rdma_recv() Steve Wise
2009-02-11 23:00 ` David Miller
2009-02-13  5:43 ` Roland Dreier

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