Hi Leon,
On 9/5/22 8:28 PM, Leon Romanovsky wrote:
On Fri, Sep 02, 2022 at 06:19:19PM +0800, Guoqing Jiang wrote:
Hi,
Pls review the three patches.
Thanks,
Guoqing
Guoqing Jiang (3):
RDMA/rtrs: Update comments for MAX_SESS_QUEUE_DEPTH
RDMA/rtrs-clt: Break the loop once one path is connected
RDMA/rtrs-clt: Kill xchg_paths
drivers/infiniband/ulp/rtrs/rtrs-clt.c | 18 +++++-------------
drivers/infiniband/ulp/rtrs/rtrs-pri.h | 7 +++----
2 files changed, 8 insertions(+), 17 deletions(-)
The third patch still generates warnings.
Sorry, I didn't run sparse check, 😅.
➜ kernel git:(wip/leon-for-next) mkt ci
^[[A^[[A^[[Ad9b137e23d31 (HEAD -> build) RDMA/rtrs-clt: Kill xchg_paths
WARNING: line length of 81 exceeds 80 columns
#43: FILE: drivers/infiniband/ulp/rtrs/rtrs-clt.c:2297:
+ if (try_cmpxchg((typeof(ppcpu_path))ppcpu_path, &clt_path, next))
drivers/infiniband/ulp/rtrs/rtrs-clt.c:2297:21: warning: incorrect type in initializer (different address spaces)
drivers/infiniband/ulp/rtrs/rtrs-clt.c:2297:21: expected struct rtrs_clt_path [noderef] __rcu *__new
drivers/infiniband/ulp/rtrs/rtrs-clt.c:2297:21: got struct rtrs_clt_path *[assigned] next
Before send new version, could you help to check whether the incremental
change works or not? Otherwise let's drop the third one.
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c
b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
index 0661a4e69fc9..bc3e1722e00d 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
@@ -2294,7 +2294,8 @@ static void rtrs_clt_remove_path_from_arr(struct
rtrs_clt_path *clt_path)
* We race with IO code path, which also changes pointer,
* thus we have to be careful not to overwrite it.
*/
- if (try_cmpxchg((typeof(ppcpu_path))ppcpu_path,
clt_path, next))
+ if (try_cmpxchg((struct rtrs_clt_path **)ppcpu_path,
+ clt_path, next))
/*
* @ppcpu_path was successfully replaced with
@next,
* that means that someone could also pick up the
Thanks,
Guoqing