From: Bob Pearson <rpearsonhpe@gmail.com>
To: jgg@nvidia.com, zyjzyj2000@gmail.com, linux-rdma@vger.kernel.org
Cc: Bob Pearson <rpearsonhpe@gmail.com>
Subject: [PATCH 2/2] providers/rxe: Remove redundant num_sge fields
Date: Tue, 13 Sep 2022 17:30:51 -0500 [thread overview]
Message-ID: <20220913223050.18416-3-rpearsonhpe@gmail.com> (raw)
In-Reply-To: <20220913223050.18416-1-rpearsonhpe@gmail.com>
This patch is a matching patch to a kernel patch
"RDMA/rxe: Remove redundant num_sge fields" which
performs the same function for the kernel rxe driver.
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
---
providers/rxe/rxe.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/providers/rxe/rxe.c b/providers/rxe/rxe.c
index 9a900e4d..0e8f5605 100644
--- a/providers/rxe/rxe.c
+++ b/providers/rxe/rxe.c
@@ -679,6 +679,7 @@ static int rxe_post_one_recv(struct rxe_wq *rq, struct ibv_recv_wr *recv_wr)
int i;
struct rxe_recv_wqe *wqe;
struct rxe_queue_buf *q = rq->queue;
+ int num_sge = recv_wr->num_sge;
int length = 0;
int rc = 0;
@@ -687,7 +688,7 @@ static int rxe_post_one_recv(struct rxe_wq *rq, struct ibv_recv_wr *recv_wr)
goto out;
}
- if (recv_wr->num_sge > rq->max_sge) {
+ if (num_sge > rq->max_sge) {
rc = EINVAL;
goto out;
}
@@ -695,18 +696,17 @@ static int rxe_post_one_recv(struct rxe_wq *rq, struct ibv_recv_wr *recv_wr)
wqe = (struct rxe_recv_wqe *)producer_addr(q);
wqe->wr_id = recv_wr->wr_id;
- wqe->num_sge = recv_wr->num_sge;
memcpy(wqe->dma.sge, recv_wr->sg_list,
- wqe->num_sge*sizeof(*wqe->dma.sge));
+ num_sge*sizeof(*wqe->dma.sge));
- for (i = 0; i < wqe->num_sge; i++)
+ for (i = 0; i < num_sge; i++)
length += wqe->dma.sge[i].length;
wqe->dma.length = length;
wqe->dma.resid = length;
wqe->dma.cur_sge = 0;
- wqe->dma.num_sge = wqe->num_sge;
+ wqe->dma.num_sge = num_sge;
wqe->dma.sge_offset = 0;
advance_producer(q);
@@ -1406,7 +1406,6 @@ static void convert_send_wr(struct rxe_qp *qp, struct rxe_send_wr *kwr,
memset(kwr, 0, sizeof(*kwr));
kwr->wr_id = uwr->wr_id;
- kwr->num_sge = uwr->num_sge;
kwr->opcode = uwr->opcode;
kwr->send_flags = uwr->send_flags;
kwr->ex.imm_data = uwr->imm_data;
--
2.34.1
prev parent reply other threads:[~2022-09-13 22:31 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-13 22:30 [PATCH 0/2] providers/rxe: Remove redundant num_sge_fields Bob Pearson
2022-09-13 22:30 ` [PATCH 1/2] Update kernel headers Bob Pearson
2022-09-13 22:30 ` Bob Pearson [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220913223050.18416-3-rpearsonhpe@gmail.com \
--to=rpearsonhpe@gmail.com \
--cc=jgg@nvidia.com \
--cc=linux-rdma@vger.kernel.org \
--cc=zyjzyj2000@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox