Merge tag 'smp-core-2025-09-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull smp doc fixlet from Thomas Gleixner:
 "An update of the stale smp_call_function_many() documentation to bring
  it back in sync with the actual implementation"

* tag 'smp-core-2025-09-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  smp: Fix up and expand the smp_call_function_many() kerneldoc

1 files changed, 5 insertions, 6 deletions

diff --git a/kernel/smp.c b/kernel/smp.c
index 56f83aa58ec8..02f52291fae4 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -884,16 +884,15 @@ 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.
- * @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.
- *
- * If @wait is true, then returns once @func has returned.
+ * @wait: If true, wait (atomically) until function has completed
+ *        on other CPUs.
  *
  * You must not call this function with disabled interrupts or from a
  * hardware interrupt handler or from a bottom half handler. Preemption
  * must be disabled when calling this function.
+ *
+ * @func is not called on the local CPU even if @mask contains it.  Consider
+ * using on_each_cpu_cond_mask() instead if this is not desirable.
  */
 void smp_call_function_many(const struct cpumask *mask,
 			    smp_call_func_t func, void *info, bool wait)