Merge pull request #9929 from tvegas1/dc_compat_v1.17.x

UCP/WIREUP: Only skip AM lanes for RMA with supported remote addresses - v1.17.x
openucx · Jun 5, 2024 · 848c747 · 848c747
2 parents 9cec0d4 + d7d170a
commit 848c747
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/ucp/wireup/select.c b/src/ucp/wireup/select.c
@@ -1898,7 +1898,8 @@ ucp_wireup_add_rma_bw_lanes(const ucp_wireup_select_params_t *select_params,
      * use of fence operations usually don't request the TAG feature, hence the
      * check.
      */
-    if (context->config.features & (UCP_FEATURE_TAG | UCP_FEATURE_AM)) {
+    if ((select_params->address->dst_version >= 17) &&
+        (context->config.features & (UCP_FEATURE_TAG | UCP_FEATURE_AM))) {
         ucs_carray_for_each(lane_desc, select_ctx->lane_descs,
                             select_ctx->num_lanes) {
             if (!(lane_desc->lane_types & UCS_BIT(UCP_LANE_TYPE_AM))) {