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authorIngo Molnar <mingo@kernel.org>2024-10-17 09:58:07 +0200
committerIngo Molnar <mingo@kernel.org>2024-10-17 09:58:07 +0200
commitbe602cde657ee43d23adbf309be6d700d0106dc9 (patch)
treed27775738d0deefe7c3071be7d667912dc3ee932 /scripts/include
parentsched/fair: Fix external p->on_rq users (diff)
parentMerge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma (diff)
downloadwireguard-linux-be602cde657ee43d23adbf309be6d700d0106dc9.tar.xz
wireguard-linux-be602cde657ee43d23adbf309be6d700d0106dc9.zip
Merge branch 'linus' into sched/urgent, to resolve conflict
Conflicts: kernel/sched/ext.c There's a context conflict between this upstream commit: 3fdb9ebcec10 sched_ext: Start schedulers with consistent p->scx.slice values ... and this fix in sched/urgent: 98442f0ccd82 sched: Fix delayed_dequeue vs switched_from_fair() Resolve it. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'scripts/include')
-rw-r--r--scripts/include/list.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/scripts/include/list.h b/scripts/include/list.h
index fea1e2b79063..8bdcaadca709 100644
--- a/scripts/include/list.h
+++ b/scripts/include/list.h
@@ -128,6 +128,36 @@ static inline void list_del(struct list_head *entry)
}
/**
+ * list_replace - replace old entry by new one
+ * @old : the element to be replaced
+ * @new : the new element to insert
+ *
+ * If @old was empty, it will be overwritten.
+ */
+static inline void list_replace(struct list_head *old,
+ struct list_head *new)
+{
+ new->next = old->next;
+ new->next->prev = new;
+ new->prev = old->prev;
+ new->prev->next = new;
+}
+
+/**
+ * list_replace_init - replace old entry by new one and initialize the old one
+ * @old : the element to be replaced
+ * @new : the new element to insert
+ *
+ * If @old was empty, it will be overwritten.
+ */
+static inline void list_replace_init(struct list_head *old,
+ struct list_head *new)
+{
+ list_replace(old, new);
+ INIT_LIST_HEAD(old);
+}
+
+/**
* list_move - delete from one list and add as another's head
* @list: the entry to move
* @head: the head that will precede our entry
@@ -151,6 +181,26 @@ static inline void list_move_tail(struct list_head *list,
}
/**
+ * list_is_first -- tests whether @list is the first entry in list @head
+ * @list: the entry to test
+ * @head: the head of the list
+ */
+static inline int list_is_first(const struct list_head *list, const struct list_head *head)
+{
+ return list->prev == head;
+}
+
+/**
+ * list_is_last - tests whether @list is the last entry in list @head
+ * @list: the entry to test
+ * @head: the head of the list
+ */
+static inline int list_is_last(const struct list_head *list, const struct list_head *head)
+{
+ return list->next == head;
+}
+
+/**
* list_is_head - tests whether @list is the list @head
* @list: the entry to test
* @head: the head of the list