model: note how we support seq-cst fences

diff --git a/model.cc b/model.cc
index d9ff365e6808494c4c667272f7dd9b7c4f9d5a5f..3ed2fb24971b3c42908b1b59f243a54a8b786500 100644 (file)
--- a/model.cc
+++ b/model.cc
@@ -1128,6 +1128,7 @@ bool ModelChecker::process_fence(ModelAction *curr)
         *   use in later synchronization
         * fence-acquire (this function): search for hypothetical release
         *   sequences
+        * fence-seq-cst: MO constraints formed in {r,w}_modification_order
         */
        bool updated = false;
        if (curr->is_acquire()) {