Update component-level selection comments to match latest revisions

cmr=v1.7.4:reviewer=rhc

This commit was SVN r30087.

ompi/mca/pubsub/pmi/pubsub_pmi_component.c

@@ -70,9 +70,10 @@ static int pubsub_pmi_component_close(void)
 
 static int pubsub_pmi_component_query(mca_base_module_t **module, int *priority)
 {
-    /* for now, only use PMI when direct launched */
-    if (NULL != ompi_process_info.my_hnp_uri &&
-        mca_common_pmi_init ()) {
+    /* if we are indirectly launched via orted, the
+     * selection will have been turned "off" for us
+     */
+    if (mca_common_pmi_init ()) {
         *priority = my_priority;
         *module = (mca_base_module_t *)&ompi_pubsub_pmi_module;
         return OMPI_SUCCESS;

opal/mca/db/pmi/db_pmi_component.c

@@ -74,7 +74,8 @@ static int db_pmi_component_query(opal_db_base_module_t **module,
 {
     if (!restrict_local) {
         /* only use PMI if available - the ESS pmi module
-         * will force our selection if we are direct-launched
+         * will force our selection if we are direct-launched,
+         * and the orted will turn us "off" if indirectly launched
          */
         if (mca_common_pmi_init()) {
             *store_priority = my_store_priority;

orte/mca/grpcomm/pmi/grpcomm_pmi_component.c

@@ -78,9 +78,10 @@ int orte_grpcomm_pmi_close(void)
 
 int orte_grpcomm_pmi_component_query(mca_base_module_t **module, int *priority)
 {
-    /* only use PMI when direct launched */
-    if (NULL == orte_process_info.my_hnp_uri &&
-        ORTE_PROC_IS_APP &&
+    /* if we are indirectly launched via orted, the
+     * selection will have been turned "off" for us
+     */
+    if (ORTE_PROC_IS_APP &&
         mca_common_pmi_init ()) {
         /* if PMI is available, make it available for use by MPI procs */
         *priority = my_priority;