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authorRodrigo Vivi <rodrigo.vivi@intel.com>2022-01-31 21:19:33 +0300
committerRodrigo Vivi <rodrigo.vivi@intel.com>2022-01-31 21:19:33 +0300
commit063565aca3734de4e73639a0e460a58d9418b3cd (patch)
treefb2455b984f584a819defe6e5fe512a4b6fc33ae /include/linux/kthread.h
parent14683babf8ee356a232ee76b0acd332aef51fdc4 (diff)
parent26291c54e111ff6ba87a164d85d4a4e134b7315c (diff)
downloadlinux-063565aca3734de4e73639a0e460a58d9418b3cd.tar.xz
Merge drm/drm-next into drm-intel-next
Catch-up with 5.17-rc2 and trying to align with drm-intel-gt-next for a possible topic branch for merging the split of i915_regs... Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'include/linux/kthread.h')
-rw-r--r--include/linux/kthread.h30
1 files changed, 29 insertions, 1 deletions
diff --git a/include/linux/kthread.h b/include/linux/kthread.h
index 346b0f269161..3df4ea04716f 100644
--- a/include/linux/kthread.h
+++ b/include/linux/kthread.h
@@ -33,7 +33,8 @@ struct task_struct *kthread_create_on_cpu(int (*threadfn)(void *data),
unsigned int cpu,
const char *namefmt);
-void set_kthread_struct(struct task_struct *p);
+void get_kthread_comm(char *buf, size_t buf_size, struct task_struct *tsk);
+bool set_kthread_struct(struct task_struct *p);
void kthread_set_per_cpu(struct task_struct *k, int cpu);
bool kthread_is_per_cpu(struct task_struct *k);
@@ -56,6 +57,31 @@ bool kthread_is_per_cpu(struct task_struct *k);
__k; \
})
+/**
+ * kthread_run_on_cpu - create and wake a cpu bound thread.
+ * @threadfn: the function to run until signal_pending(current).
+ * @data: data ptr for @threadfn.
+ * @cpu: The cpu on which the thread should be bound,
+ * @namefmt: printf-style name for the thread. Format is restricted
+ * to "name.*%u". Code fills in cpu number.
+ *
+ * Description: Convenient wrapper for kthread_create_on_cpu()
+ * followed by wake_up_process(). Returns the kthread or
+ * ERR_PTR(-ENOMEM).
+ */
+static inline struct task_struct *
+kthread_run_on_cpu(int (*threadfn)(void *data), void *data,
+ unsigned int cpu, const char *namefmt)
+{
+ struct task_struct *p;
+
+ p = kthread_create_on_cpu(threadfn, data, cpu, namefmt);
+ if (!IS_ERR(p))
+ wake_up_process(p);
+
+ return p;
+}
+
void free_kthread_struct(struct task_struct *k);
void kthread_bind(struct task_struct *k, unsigned int cpu);
void kthread_bind_mask(struct task_struct *k, const struct cpumask *mask);
@@ -70,6 +96,8 @@ 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;
+void kthread_complete_and_exit(struct completion *, long) __noreturn;
int kthreadd(void *unused);
extern struct task_struct *kthreadd_task;