diff options
Diffstat (limited to 'third_party/git/replace-object.h')
-rw-r--r-- | third_party/git/replace-object.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/third_party/git/replace-object.h b/third_party/git/replace-object.h index 04ed7a85a240..3fbc32eb7b7e 100644 --- a/third_party/git/replace-object.h +++ b/third_party/git/replace-object.h @@ -24,12 +24,17 @@ const struct object_id *do_lookup_replace_object(struct repository *r, * name (replaced recursively, if necessary). The return value is * either sha1 or a pointer to a permanently-allocated value. When * object replacement is suppressed, always return sha1. + * + * Note: some thread debuggers might point a data race on the + * replace_map_initialized reading in this function. However, we know there's no + * problem in the value being updated by one thread right after another one read + * it here (and it should be written to only once, anyway). */ static inline const struct object_id *lookup_replace_object(struct repository *r, const struct object_id *oid) { if (!read_replace_refs || - (r->objects->replace_map && + (r->objects->replace_map_initialized && r->objects->replace_map->map.tablesize == 0)) return oid; return do_lookup_replace_object(r, oid); |