Seems that upstream commit 179ccc0a73641ffd24e44ff10a7bd494efe98d8d ("rhashtable: Kill harmless RCU warning in rhashtable_walk_init") is also required to stop the RCU warning in rhashtable_walk_init
Seems that upstream commit 179ccc0a73641ff d24e44ff10a7bd4 94efe98d8d ("rhashtable: Kill harmless RCU warning in rhashtable_ walk_init" ) is also required to stop the RCU warning in rhashtable_ walk_init