[PATCH 2.6.30] RDMA/cxgb3: remove modulo math from build_rdma_recv().
From: Steve Wise <hidden>
Date: 2009-02-11 22:29:25
Also in:
lkml
Subsystem:
infiniband subsystem, the rest · Maintainers:
Jason Gunthorpe, Leon Romanovsky, Linus Torvalds
From: Steve Wise <redacted> - remove modulo usage Signed-off-by: Steve Wise <redacted> --- 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]);