stop_machine: Use smpboot threads

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Use the smpboot thread infrastructure. Mark the stopper thread
selfparking and park it after it has finished the take_cpu_down()
work.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Paul McKenney <paulmck@linux.vnet.ibm.com>
Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Arjan van de Veen <arjan@infradead.org>
Cc: Paul Turner <pjt@google.com>
Cc: Richard Weinberger <rw@linutronix.de>
Cc: Magnus Damm <magnus.damm@gmail.com>
Link: http://lkml.kernel.org/r/20130131120741.686315164@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

This commit is contained in:

Thomas Gleixner

2013-01-31 12:11:14 +00:00

parent 860a0ffaa3

commit 14e568e78f

2 changed files with 55 additions and 89 deletions

									
										kernel/cpu.c
									
		+2
		
												View File
												
				@@ -254,6 +254,8 @@ static int __ref take_cpu_down(void *_param)

						return err;

					cpu_notify(CPU_DYING | param->mod, param->hcpu);

					/* Park the stopper thread */

					kthread_park(current);

					return 0;

				}