Commit 8541bc1a authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'stop-machine.2025.03.21a' of... 

Merge tag 'stop-machine.2025.03.21a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu

Pull stop-machine update from Paul McKenney:

 - Add a comment for the call to rcu_momentary_eqs() from
   multi_cpu_stop() explaining that its purpose is to suppress
   false-positive RCU CPU stall warnings

* tag 'stop-machine.2025.03.21a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
  stop-machine: Add comment for rcu_momentary_eqs()
parents 72b40807 2af8780d

kernel/stop_machine.c

+1 −0
Original line number Diff line number Diff line
@@ -250,6 +250,7 @@ static int multi_cpu_stop(void *data) 
			 * be detected and reported on their side.

			 */

			touch_nmi_watchdog();

			/* Also suppress RCU CPU stall warnings. */

			rcu_momentary_eqs();

		}

	} while (curstate != MULTI_STOP_EXIT);