Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2242fa4f04d670f02efb43ec537d677edc220880
Commit: 2242fa4f04d670f02efb43ec537d677edc220880
Parent: eaf559bf566f76887533c077d425adce847f06c8
Author: Roland Dreier <[EMAIL PROTECTED]>
AuthorDate: Tue Oct 9 19:59:05 2007 -0700
Committer: Roland Dreier <[EMAIL PROTECTED]>
CommitDate: Tue Oct 9 19:59:05 2007 -0700
IB/mlx4: Use __set_data_seg() in mlx4_ib_post_recv()
Use a __set_data_seg() helper in mlx4_ib_post_recv() too; in addition
to making the code easier to read, this also allows gcc to generate
better code -- on x86_64:
add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-8 (-8)
function old new delta
mlx4_ib_post_recv 359 351 -8
Signed-off-by: Roland Dreier <[EMAIL PROTECTED]>
---
drivers/infiniband/hw/mlx4/qp.c | 14 +++++++++-----
1 files changed, 9 insertions(+), 5 deletions(-)
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 85c51bd..31a480e 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1249,6 +1249,13 @@ static void set_data_seg(struct mlx4_wqe_data_seg *dseg,
struct ib_sge *sg)
dseg->byte_count = cpu_to_be32(sg->length);
}
+static void __set_data_seg(struct mlx4_wqe_data_seg *dseg, struct ib_sge *sg)
+{
+ dseg->byte_count = cpu_to_be32(sg->length);
+ dseg->lkey = cpu_to_be32(sg->lkey);
+ dseg->addr = cpu_to_be64(sg->addr);
+}
+
int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
struct ib_send_wr **bad_wr)
{
@@ -1464,11 +1471,8 @@ int mlx4_ib_post_recv(struct ib_qp *ibqp, struct
ib_recv_wr *wr,
scat = get_recv_wqe(qp, ind);
- for (i = 0; i < wr->num_sge; ++i) {
- scat[i].byte_count = cpu_to_be32(wr->sg_list[i].length);
- scat[i].lkey = cpu_to_be32(wr->sg_list[i].lkey);
- scat[i].addr = cpu_to_be64(wr->sg_list[i].addr);
- }
+ for (i = 0; i < wr->num_sge; ++i)
+ __set_data_seg(scat + i, wr->sg_list + i);
if (i < qp->rq.max_gs) {
scat[i].byte_count = 0;
-
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