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authorMaxime Ripard <mripard@kernel.org>2026-03-12 08:25:41 +0100
committerMaxime Ripard <mripard@kernel.org>2026-03-12 08:25:41 +0100
commitf08ceb71c5a5615577e7c841e1e00a89f495ab51 (patch)
treea024ee0aa3a8c5f3da518c7a9e15c6be131dd4f5 /include/linux/kthread.h
parentf66d6cc6891e41be96380261943837b1909107b3 (diff)
parent58351f46de26bcc4403f9972f7aed430d15cbd03 (diff)
Merge drm/drm-next into drm-misc-next
Biju Das needs a patch for rz-du merged in 7.0-rc3 Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'include/linux/kthread.h')
-rw-r--r--include/linux/kthread.h21
1 files changed, 20 insertions, 1 deletions
diff --git a/include/linux/kthread.h b/include/linux/kthread.h
index c92c1149ee6e..a01a474719a7 100644
--- a/include/linux/kthread.h
+++ b/include/linux/kthread.h
@@ -7,6 +7,24 @@
struct mm_struct;
+/* opaque kthread data */
+struct kthread;
+
+/*
+ * When "(p->flags & PF_KTHREAD)" is set the task is a kthread and will
+ * always remain a kthread. For kthreads p->worker_private always
+ * points to a struct kthread. For tasks that are not kthreads
+ * p->worker_private is used to point to other things.
+ *
+ * Return NULL for any task that is not a kthread.
+ */
+static inline struct kthread *tsk_is_kthread(struct task_struct *p)
+{
+ if (p->flags & PF_KTHREAD)
+ return p->worker_private;
+ return NULL;
+}
+
__printf(4, 5)
struct task_struct *kthread_create_on_node(int (*threadfn)(void *data),
void *data,
@@ -98,9 +116,10 @@ void *kthread_probe_data(struct task_struct *k);
int kthread_park(struct task_struct *k);
void kthread_unpark(struct task_struct *k);
void kthread_parkme(void);
-void kthread_exit(long result) __noreturn;
+#define kthread_exit(result) do_exit(result)
void kthread_complete_and_exit(struct completion *, long) __noreturn;
int kthreads_update_housekeeping(void);
+void kthread_do_exit(struct kthread *, long);
int kthreadd(void *unused);
extern struct task_struct *kthreadd_task;