net/mlx4_core: Turn off device-managed FS bit in dev-cap wrapper if DMFS is not enabled

[cascardo/linux.git] / kernel / cpu.c

diff --git a/kernel/cpu.c b/kernel/cpu.c
index 3046a50..b5e4ab2 100644 (file)
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -224,11 +224,13 @@ void clear_tasks_mm_cpumask(int cpu)
 static inline void check_for_tasks(int cpu)
 {
        struct task_struct *p;
+       cputime_t utime, stime;
 
        write_lock_irq(&tasklist_lock);
        for_each_process(p) {
+               task_cputime(p, &utime, &stime);
                if (task_cpu(p) == cpu && p->state == TASK_RUNNING &&
-                   (p->utime || p->stime))
+                   (utime || stime))
                        printk(KERN_WARNING "Task %s (pid = %d) is on cpu %d "
                                "(state = %ld, flags = %x)\n",
                                p->comm, task_pid_nr(p), cpu,
@@ -254,6 +256,8 @@ 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;
 }