This is a note to let you know that I've just added the patch titled RDMA/rtrs-srv: Fix modinfo output for stringify to the 5.18-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: rdma-rtrs-srv-fix-modinfo-output-for-stringify.patch and it can be found in the queue-5.18 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 402380016fcfc60f62464bf31659c446e350b25e Author: Jack Wang <jinpu.wang@xxxxxxxxx> Date: Tue Jul 12 12:31:09 2022 +0200 RDMA/rtrs-srv: Fix modinfo output for stringify [ Upstream commit ed6e53820ee4f68ed927de17e5675ff2a07a47e2 ] stringify works with define, not enum. Fixes: 91fddedd439c ("RDMA/rtrs: private headers with rtrs protocol structs and helpers") Cc: jinpu.wang@xxxxxxxxx Link: https://lore.kernel.org/r/20220712103113.617754-2-haris.iqbal@xxxxxxxxx Signed-off-by: Jack Wang <jinpu.wang@xxxxxxxxx> Signed-off-by: Md Haris Iqbal <haris.iqbal@xxxxxxxxx> Reviewed-by: Aleksei Marov <aleksei.marov@xxxxxxxxx> Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/infiniband/ulp/rtrs/rtrs-pri.h b/drivers/infiniband/ulp/rtrs/rtrs-pri.h index 9a1e5c2ae55c..ac0df734eba8 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-pri.h +++ b/drivers/infiniband/ulp/rtrs/rtrs-pri.h @@ -23,6 +23,17 @@ #define RTRS_PROTO_VER_STRING __stringify(RTRS_PROTO_VER_MAJOR) "." \ __stringify(RTRS_PROTO_VER_MINOR) +/* + * Max IB immediate data size is 2^28 (MAX_IMM_PAYL_BITS) + * and the minimum chunk size is 4096 (2^12). + * So the maximum sess_queue_depth is 65536 (2^16) in theory. + * But mempool_create, create_qp and ib_post_send fail with + * "cannot allocate memory" error if sess_queue_depth is too big. + * Therefore the pratical max value of sess_queue_depth is + * somewhere between 1 and 65534 and it depends on the system. + */ +#define MAX_SESS_QUEUE_DEPTH 65535 + enum rtrs_imm_const { MAX_IMM_TYPE_BITS = 4, MAX_IMM_TYPE_MASK = ((1 << MAX_IMM_TYPE_BITS) - 1), @@ -46,16 +57,6 @@ enum { MAX_PATHS_NUM = 128, - /* - * Max IB immediate data size is 2^28 (MAX_IMM_PAYL_BITS) - * and the minimum chunk size is 4096 (2^12). - * So the maximum sess_queue_depth is 65536 (2^16) in theory. - * But mempool_create, create_qp and ib_post_send fail with - * "cannot allocate memory" error if sess_queue_depth is too big. - * Therefore the pratical max value of sess_queue_depth is - * somewhere between 1 and 65534 and it depends on the system. - */ - MAX_SESS_QUEUE_DEPTH = 65535, MIN_CHUNK_SIZE = 8192, RTRS_HB_INTERVAL_MS = 5000,