Re: question about arch/s390/kvm/interrupt.c

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> (copying some s390 people)
> 
> On 07/10/2009 02:47 PM, Julia Lawall wrote:
> > In a recent version of linux-next, the function kvm_s390_handle_wait
> > contains the following code:
> >
> >          add_wait_queue(&vcpu->arch.local_int.wq,&wait);
> >          while (list_empty(&vcpu->arch.local_int.list)&&
> >                  list_empty(&vcpu->arch.local_int.float_int->list)&&
> >                  (!vcpu->arch.local_int.timer_due)&&
> >                  !signal_pending(current)) {
> >                  set_current_state(TASK_INTERRUPTIBLE);
> >                  spin_unlock_bh(&vcpu->arch.local_int.lock);
> >                  spin_unlock(&vcpu->arch.local_int.float_int->lock);
> >                  vcpu_put(vcpu);
> >                  schedule();
> >                  vcpu_load(vcpu);
> >                  spin_lock(&vcpu->arch.local_int.float_int->lock);
> >                  spin_lock_bh(&vcpu->arch.local_int.lock);
> >          }
> >          __unset_cpu_idle(vcpu);
> >          __set_current_state(TASK_RUNNING);
> >          remove_wait_queue(&vcpu->wq,&wait);
> >
> > It seems a bit odd that the first argument to add_wait queue is
> > &vcpu->arch.local_int.wq but the first argument to remove_wait_queue is
> > &vcpu->wq.  I don't see any obvious evidence that they are the same thing,
> > but perhaps I am missing something.  Should either call be changed?
Good catch! It's broken, I'll send a fix later today.

so long,
Carsten
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