On Sun, 2007-08-12 at 23:44 +0400, Oleg Nesterov wrote:
> > > --- t/kernel/posix-timers.c~2_CREATE 2007-08-12 17:59:17.000000000 +0400
> > > +++ t/kernel/posix-timers.c 2007-08-12 18:11:33.000000000 +0400
> > > @@ -547,13 +547,12 @@ sys_timer_create(const clockid_t which_c
> > > new_timer->it_process = process;
> > > list_add(&new_timer->list,
> > > &process->signal->posix_timers);
> > > - spin_unlock_irqrestore(&process->sighand->siglock, flags);
> > > if (new_timer->it_sigev_notify == (SIGEV_SIGNAL|SIGEV_THREAD_ID))
> > > get_task_struct(process);
> > > } else {
> > > - spin_unlock_irqrestore(&process->sighand->siglock, flags);
> > > process = NULL;
> > > }
> > > + spin_unlock_irqrestore(&process->sighand->siglock, flags);
>
> i'll resend this patch tomorrow. We can't do spin_unlock_irqrestore(&process->...)
> if we set process = NULL above.
Doh, half of my brain seems to be still on vacation.
tglx
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