Re: [PATCH 0/3] misc changes for rtrs

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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



[Index of Archives]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Photo]     [Yosemite News]     [Yosemite Photos]     [Linux Kernel]     [Linux SCSI]     [XFree86]

  Powered by Linux