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Message-Id: <20221215232837.30211-1-palmer@rivosinc.com>
Date: Thu, 15 Dec 2022 15:28:37 -0800
From: Palmer Dabbelt <palmer@...osinc.com>
To: jgg@...dia.com
Cc: zyjzyj2000@...il.com, jgg@...pe.ca, leon@...nel.org,
linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
linux@...osinc.com, Palmer Dabbelt <palmer@...osinc.com>
Subject: [PATCH] RDMA/rxe: Avoid unused variable warnings on 32-bit targets
From: Palmer Dabbelt <palmer@...osinc.com>
These variables are not used on 32-bit targets as there's a big ifdef
around their use. This results on a handful of warnings for 32-bit
RISC-V allyesconfig:
CC drivers/infiniband/sw/rxe/rxe_resp.o
linux/drivers/infiniband/sw/rxe/rxe_resp.c: In function 'atomic_write_reply':
linux/drivers/infiniband/sw/rxe/rxe_resp.c:794:13: error: unused variable 'payload' [-Werror=unused-variable]
794 | int payload = payload_size(pkt);
| ^~~~~~~
linux/drivers/infiniband/sw/rxe/rxe_resp.c:793:24: error: unused variable 'mr' [-Werror=unused-variable]
793 | struct rxe_mr *mr = qp->resp.mr;
| ^~
linux/drivers/infiniband/sw/rxe/rxe_resp.c:791:19: error: unused variable 'dst' [-Werror=unused-variable]
791 | u64 src, *dst;
| ^~~
linux/drivers/infiniband/sw/rxe/rxe_resp.c:791:13: error: unused variable 'src' [-Werror=unused-variable]
791 | u64 src, *dst;
| ^~~
cc1: all warnings being treated as errors
Fixes: 034e285f8b99 ("RDMA/rxe: Make responder support atomic write on RC service")
Signed-off-by: Palmer Dabbelt <palmer@...osinc.com>
---
drivers/infiniband/sw/rxe/rxe_resp.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index 7a60c7709da0..18977d5a3316 100644
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -788,10 +788,10 @@ static enum resp_states atomic_reply(struct rxe_qp *qp,
static enum resp_states atomic_write_reply(struct rxe_qp *qp,
struct rxe_pkt_info *pkt)
{
- u64 src, *dst;
- struct resp_res *res = qp->resp.res;
- struct rxe_mr *mr = qp->resp.mr;
- int payload = payload_size(pkt);
+ __maybe_unused u64 src, *dst;
+ __maybe_unused struct resp_res *res = qp->resp.res;
+ __maybe_unused struct rxe_mr *mr = qp->resp.mr;
+ __maybe_unused int payload = payload_size(pkt);
if (!res) {
res = rxe_prepare_res(qp, pkt, RXE_ATOMIC_WRITE_MASK);
--
2.38.1
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