Merge tag 'smp-urgent-2020-11-01' of git://

Pull smp fix from Thomas Gleixner:
 "A single fix for stop machine.

  Mark functions no trace to prevent a crash caused by recursion when
  enabling or disabling a tracer on RISC-V (probably all architectures
  which patch through stop machine)"

* tag 'smp-urgent-2020-11-01' of git://
  stop_machine, rcu: Mark functions as notrace
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 06895ef..2a52f42 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -409,7 +409,7 @@
  * The caller must have disabled interrupts and must not be idle.
-void rcu_momentary_dyntick_idle(void)
+notrace void rcu_momentary_dyntick_idle(void)
 	int special;
diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index 865bb02..890b79cf 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -178,7 +178,7 @@
 		set_state(msdata, msdata->state + 1);
-void __weak stop_machine_yield(const struct cpumask *cpumask)
+notrace void __weak stop_machine_yield(const struct cpumask *cpumask)