From 093a6c67005148ae32a5c9e4553491b9f5c2457b Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:40:51 +0000
Subject: [PATCH] disable kernel build waring
---
kernel/include/linux/rculist_nulls.h | 21 ++++++++++++++++++---
1 files changed, 18 insertions(+), 3 deletions(-)
diff --git a/kernel/include/linux/rculist_nulls.h b/kernel/include/linux/rculist_nulls.h
index 90f2e22..ff3e947 100644
--- a/kernel/include/linux/rculist_nulls.h
+++ b/kernel/include/linux/rculist_nulls.h
@@ -38,9 +38,17 @@
}
}
+/**
+ * hlist_nulls_first_rcu - returns the first element of the hash list.
+ * @head: the head of the list.
+ */
#define hlist_nulls_first_rcu(head) \
(*((struct hlist_nulls_node __rcu __force **)&(head)->first))
+/**
+ * hlist_nulls_next_rcu - returns the element of the list after @node.
+ * @node: element of the list.
+ */
#define hlist_nulls_next_rcu(node) \
(*((struct hlist_nulls_node __rcu __force **)&(node)->next))
@@ -137,17 +145,24 @@
}
}
+/* after that hlist_nulls_del will work */
+static inline void hlist_nulls_add_fake(struct hlist_nulls_node *n)
+{
+ n->pprev = &n->next;
+ n->next = (struct hlist_nulls_node *)NULLS_MARKER(NULL);
+}
+
/**
* hlist_nulls_for_each_entry_rcu - iterate over rcu list of given type
* @tpos: the type * to use as a loop cursor.
* @pos: the &struct hlist_nulls_node to use as a loop cursor.
- * @head: the head for your list.
+ * @head: the head of the list.
* @member: the name of the hlist_nulls_node within the struct.
*
* The barrier() is needed to make sure compiler doesn't cache first element [1],
* as this loop can be restarted [2]
* [1] Documentation/core-api/atomic_ops.rst around line 114
- * [2] Documentation/RCU/rculist_nulls.txt around line 146
+ * [2] Documentation/RCU/rculist_nulls.rst around line 146
*/
#define hlist_nulls_for_each_entry_rcu(tpos, pos, head, member) \
for (({barrier();}), \
@@ -161,7 +176,7 @@
* iterate over list of given type safe against removal of list entry
* @tpos: the type * to use as a loop cursor.
* @pos: the &struct hlist_nulls_node to use as a loop cursor.
- * @head: the head for your list.
+ * @head: the head of the list.
* @member: the name of the hlist_nulls_node within the struct.
*/
#define hlist_nulls_for_each_entry_safe(tpos, pos, head, member) \
--
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