Merge tag 'smp-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-microblaze.git] / kernel / smp.c

diff --git a/kernel/smp.c b/kernel/smp.c
index 52bf159..f43ede0 100644 (file)
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -764,7 +764,7 @@ int smp_call_function_single(int cpu, smp_call_func_t func, void *info,
 EXPORT_SYMBOL(smp_call_function_single);
 
 /**
- * smp_call_function_single_async(): Run an asynchronous function on a
+ * smp_call_function_single_async() - Run an asynchronous function on a
  *                              specific CPU.
  * @cpu: The CPU to run on.
  * @csd: Pre-allocated and setup data structure
@@ -783,6 +783,8 @@ EXPORT_SYMBOL(smp_call_function_single);
  *
  * NOTE: Be careful, there is unfortunately no current debugging facility to
  * validate the correctness of this serialization.
+ *
+ * Return: %0 on success or negative errno value on error
  */
 int smp_call_function_single_async(int cpu, struct __call_single_data *csd)
 {
@@ -974,7 +976,7 @@ static void smp_call_function_many_cond(const struct cpumask *mask,
  * @mask: The set of cpus to run on (only runs on online subset).
  * @func: The function to run. This must be fast and non-blocking.
  * @info: An arbitrary pointer to pass to the function.
- * @flags: Bitmask that controls the operation. If %SCF_WAIT is set, wait
+ * @wait: Bitmask that controls the operation. If %SCF_WAIT is set, wait
  *        (atomically) until function has completed on other CPUs. If
  *        %SCF_RUN_LOCAL is set, the function will also be run locally
  *        if the local CPU is set in the @cpumask.
@@ -1180,7 +1182,13 @@ void wake_up_all_idle_cpus(void)
 EXPORT_SYMBOL_GPL(wake_up_all_idle_cpus);
 
 /**
- * smp_call_on_cpu - Call a function on a specific cpu
+ * struct smp_call_on_cpu_struct - Call a function on a specific CPU
+ * @work: &work_struct
+ * @done: &completion to signal
+ * @func: function to call
+ * @data: function's data argument
+ * @ret: return value from @func
+ * @cpu: target CPU (%-1 for any CPU)
  *
  * Used to call a function on a specific cpu and wait for it to return.
  * Optionally make sure the call is done on a specified physical cpu via vcpu