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| author | Thomas Gleixner <tglx@linutronix.de> | 2013-01-31 13:11:14 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2013-02-14 15:29:38 +0100 |
| commit | 14e568e78f6f80ca1e27256641ddf524c7dbdc51 (patch) | |
| tree | 1f75f09c7f8adfa6dd55ef9bd0b547fcaf700f45 /kernel/cpu.c | |
| parent | stop_machine: Store task reference in a separate per cpu variable (diff) | |
| download | linux-14e568e78f6f80ca1e27256641ddf524c7dbdc51.tar.xz linux-14e568e78f6f80ca1e27256641ddf524c7dbdc51.zip | |
stop_machine: Use smpboot threads
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>
Diffstat (limited to 'kernel/cpu.c')
| -rw-r--r-- | kernel/cpu.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c index 3046a503242c..c91e30d1ef05 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -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; } |