Module Name: src
Committed By: riastradh
Date: Wed Jul 24 02:24:29 UTC 2013
Modified Files:
src/sys/external/bsd/drm2/include/linux [riastradh-drm2]: list.h
Log Message:
Add some hlist operations to <linux/list.h>.
Also add some bogus `rcu-safe' operations, to be filled in with the
right memory barriers later.
To generate a diff of this commit:
cvs rdiff -u -r1.1.2.7 -r1.1.2.8 \
src/sys/external/bsd/drm2/include/linux/list.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/external/bsd/drm2/include/linux/list.h
diff -u src/sys/external/bsd/drm2/include/linux/list.h:1.1.2.7 src/sys/external/bsd/drm2/include/linux/list.h:1.1.2.8
--- src/sys/external/bsd/drm2/include/linux/list.h:1.1.2.7 Wed Jul 24 02:20:24 2013
+++ src/sys/external/bsd/drm2/include/linux/list.h Wed Jul 24 02:24:29 2013
@@ -1,4 +1,4 @@
-/* $NetBSD: list.h,v 1.1.2.7 2013/07/24 02:20:24 riastradh Exp $ */
+/* $NetBSD: list.h,v 1.1.2.8 2013/07/24 02:24:29 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -185,6 +185,30 @@ hlist_next(struct hlist_node *node)
return LIST_NEXT(node, hln_entry);
}
+static inline void
+hlist_add_head(struct hlist_node *node, struct hlist_head *head)
+{
+ LIST_INSERT_HEAD(head, node, hln_entry);
+}
+
+static inline void
+hlist_add_after(struct hlist_node *node, struct hlist_node *next)
+{
+ LIST_INSERT_AFTER(node, next, hln_entry);
+}
+
+static inline void
+hlist_del(struct hlist_node *node)
+{
+ LIST_REMOVE(node, hln_entry);
+}
+
+static inline void
+hlist_del_init(struct hlist_node *node)
+{
+ LIST_REMOVE(node, hln_entry);
+}
+
#define hlist_entry(PTR, TYPE, FIELD) container_of(PTR, TYPE, FIELD)
#define hlist_for_each(VAR, HEAD) LIST_FOREACH(VAR, HEAD, hln_entry)
#define hlist_for_each_safe(VAR, NEXT, HEAD) \
@@ -196,4 +220,15 @@ hlist_next(struct hlist_node *node)
((VAR) = hlist_entry((HLIST), typeof(*(VAR)), FIELD), 1); \
(HLIST) = LIST_NEXT((HLIST), hln_entry))
+/*
+ * XXX The nominally RCU-safe APIs below lack dependent read barriers,
+ * so they're not actually RCU-safe...on the alpha, anyway. Someone^TM
+ * should fix this.
+ */
+
+#define hlist_add_after_rcu hlist_add_after
+#define hlist_add_head_rcu hlist_add_head
+#define hlist_del_init_rcu hlist_del_init
+#define hlist_for_each_entry_rcu hlist_for_each_entry
+
#endif /* _LINUX_LIST_H_ */
